./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_string_eq_byte_cursor_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e9cb182-9b2d-4389-b13b-f591ce7f49b0/bin/uautomizer-GMMbpWq8iD/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e9cb182-9b2d-4389-b13b-f591ce7f49b0/bin/uautomizer-GMMbpWq8iD/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e9cb182-9b2d-4389-b13b-f591ce7f49b0/bin/uautomizer-GMMbpWq8iD/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e9cb182-9b2d-4389-b13b-f591ce7f49b0/bin/uautomizer-GMMbpWq8iD/config/AutomizerReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_string_eq_byte_cursor_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e9cb182-9b2d-4389-b13b-f591ce7f49b0/bin/uautomizer-GMMbpWq8iD/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e9cb182-9b2d-4389-b13b-f591ce7f49b0/bin/uautomizer-GMMbpWq8iD --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 caa9ea3c4b01be424b9d4542ff8acdcb39307db8022d65ba85a629a6a4ef591a ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-28 23:55:53,649 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 23:55:53,653 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 23:55:53,733 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 23:55:53,734 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 23:55:53,735 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 23:55:53,738 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 23:55:53,741 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 23:55:53,744 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 23:55:53,746 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 23:55:53,748 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 23:55:53,750 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 23:55:53,751 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 23:55:53,757 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 23:55:53,759 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 23:55:53,772 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 23:55:53,773 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 23:55:53,775 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 23:55:53,778 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 23:55:53,781 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 23:55:53,784 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 23:55:53,786 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 23:55:53,788 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 23:55:53,789 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 23:55:53,794 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 23:55:53,795 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 23:55:53,796 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 23:55:53,797 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 23:55:53,798 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 23:55:53,800 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 23:55:53,800 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 23:55:53,801 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 23:55:53,803 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 23:55:53,804 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 23:55:53,805 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 23:55:53,806 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 23:55:53,807 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 23:55:53,808 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 23:55:53,808 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 23:55:53,810 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 23:55:53,811 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 23:55:53,812 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e9cb182-9b2d-4389-b13b-f591ce7f49b0/bin/uautomizer-GMMbpWq8iD/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-10-28 23:55:53,841 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 23:55:53,846 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 23:55:53,848 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 23:55:53,848 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 23:55:53,850 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 23:55:53,851 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 23:55:53,851 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 23:55:53,851 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 23:55:53,852 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 23:55:53,852 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 23:55:53,853 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-28 23:55:53,854 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-28 23:55:53,854 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-28 23:55:53,854 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 23:55:53,855 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 23:55:53,855 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-28 23:55:53,855 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 23:55:53,856 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 23:55:53,856 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-28 23:55:53,856 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 23:55:53,856 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 23:55:53,857 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-28 23:55:53,857 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-28 23:55:53,857 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 23:55:53,858 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-28 23:55:53,858 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-28 23:55:53,858 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-28 23:55:53,858 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-28 23:55:53,859 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 23:55:53,860 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e9cb182-9b2d-4389-b13b-f591ce7f49b0/bin/uautomizer-GMMbpWq8iD/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e9cb182-9b2d-4389-b13b-f591ce7f49b0/bin/uautomizer-GMMbpWq8iD Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> caa9ea3c4b01be424b9d4542ff8acdcb39307db8022d65ba85a629a6a4ef591a [2021-10-28 23:55:54,176 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 23:55:54,208 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 23:55:54,212 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 23:55:54,215 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 23:55:54,217 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 23:55:54,218 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e9cb182-9b2d-4389-b13b-f591ce7f49b0/bin/uautomizer-GMMbpWq8iD/../../sv-benchmarks/c/aws-c-common/aws_string_eq_byte_cursor_harness.i [2021-10-28 23:55:54,296 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e9cb182-9b2d-4389-b13b-f591ce7f49b0/bin/uautomizer-GMMbpWq8iD/data/2ea1863e1/bd3f2136bc4c4989a480c505cfe32fc8/FLAG138b3c142 [2021-10-28 23:55:55,359 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 23:55:55,360 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e9cb182-9b2d-4389-b13b-f591ce7f49b0/sv-benchmarks/c/aws-c-common/aws_string_eq_byte_cursor_harness.i [2021-10-28 23:55:55,426 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e9cb182-9b2d-4389-b13b-f591ce7f49b0/bin/uautomizer-GMMbpWq8iD/data/2ea1863e1/bd3f2136bc4c4989a480c505cfe32fc8/FLAG138b3c142 [2021-10-28 23:55:55,716 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e9cb182-9b2d-4389-b13b-f591ce7f49b0/bin/uautomizer-GMMbpWq8iD/data/2ea1863e1/bd3f2136bc4c4989a480c505cfe32fc8 [2021-10-28 23:55:55,719 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 23:55:55,721 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 23:55:55,724 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 23:55:55,724 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 23:55:55,729 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 23:55:55,730 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:55:55" (1/1) ... [2021-10-28 23:55:55,734 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d63cc00 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:55:55, skipping insertion in model container [2021-10-28 23:55:55,734 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:55:55" (1/1) ... [2021-10-28 23:55:55,743 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 23:55:55,885 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 23:55:56,174 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e9cb182-9b2d-4389-b13b-f591ce7f49b0/sv-benchmarks/c/aws-c-common/aws_string_eq_byte_cursor_harness.i[4499,4512] [2021-10-28 23:55:56,183 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e9cb182-9b2d-4389-b13b-f591ce7f49b0/sv-benchmarks/c/aws-c-common/aws_string_eq_byte_cursor_harness.i[4559,4572] [2021-10-28 23:55:56,219 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-10-28 23:55:56,228 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-10-28 23:55:57,617 WARN L1513 CHandler]: Possible shadowing of function index [2021-10-28 23:55:57,618 WARN L1513 CHandler]: Possible shadowing of function index [2021-10-28 23:55:57,619 WARN L1513 CHandler]: Possible shadowing of function index [2021-10-28 23:55:57,620 WARN L1513 CHandler]: Possible shadowing of function index [2021-10-28 23:55:57,621 WARN L1513 CHandler]: Possible shadowing of function index [2021-10-28 23:55:57,637 WARN L1513 CHandler]: Possible shadowing of function index [2021-10-28 23:55:57,638 WARN L1513 CHandler]: Possible shadowing of function index [2021-10-28 23:55:57,640 WARN L1513 CHandler]: Possible shadowing of function index [2021-10-28 23:55:57,641 WARN L1513 CHandler]: Possible shadowing of function index [2021-10-28 23:55:58,130 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-10-28 23:55:58,131 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-10-28 23:55:58,133 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-10-28 23:55:58,135 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-10-28 23:55:58,137 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-10-28 23:55:58,138 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-10-28 23:55:58,139 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-10-28 23:55:58,140 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-10-28 23:55:58,141 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-10-28 23:55:58,142 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-10-28 23:55:58,355 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-10-28 23:55:58,465 WARN L1513 CHandler]: Possible shadowing of function index [2021-10-28 23:55:58,466 WARN L1513 CHandler]: Possible shadowing of function index [2021-10-28 23:55:58,614 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:55:58,677 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 23:55:58,692 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e9cb182-9b2d-4389-b13b-f591ce7f49b0/sv-benchmarks/c/aws-c-common/aws_string_eq_byte_cursor_harness.i[4499,4512] [2021-10-28 23:55:58,693 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e9cb182-9b2d-4389-b13b-f591ce7f49b0/sv-benchmarks/c/aws-c-common/aws_string_eq_byte_cursor_harness.i[4559,4572] [2021-10-28 23:55:58,695 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-10-28 23:55:58,696 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-10-28 23:55:58,736 WARN L1513 CHandler]: Possible shadowing of function index [2021-10-28 23:55:58,737 WARN L1513 CHandler]: Possible shadowing of function index [2021-10-28 23:55:58,738 WARN L1513 CHandler]: Possible shadowing of function index [2021-10-28 23:55:58,738 WARN L1513 CHandler]: Possible shadowing of function index [2021-10-28 23:55:58,739 WARN L1513 CHandler]: Possible shadowing of function index [2021-10-28 23:55:58,747 WARN L1513 CHandler]: Possible shadowing of function index [2021-10-28 23:55:58,747 WARN L1513 CHandler]: Possible shadowing of function index [2021-10-28 23:55:58,749 WARN L1513 CHandler]: Possible shadowing of function index [2021-10-28 23:55:58,749 WARN L1513 CHandler]: Possible shadowing of function index [2021-10-28 23:55:58,801 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-10-28 23:55:58,802 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-10-28 23:55:58,811 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-10-28 23:55:58,812 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-10-28 23:55:58,814 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-10-28 23:55:58,815 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-10-28 23:55:58,816 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-10-28 23:55:58,817 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-10-28 23:55:58,817 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-10-28 23:55:58,820 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-10-28 23:55:58,862 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-10-28 23:55:58,997 WARN L1513 CHandler]: Possible shadowing of function index [2021-10-28 23:55:58,997 WARN L1513 CHandler]: Possible shadowing of function index [2021-10-28 23:55:59,083 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:55:59,414 INFO L208 MainTranslator]: Completed translation [2021-10-28 23:55:59,415 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:55:59 WrapperNode [2021-10-28 23:55:59,415 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 23:55:59,416 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 23:55:59,416 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 23:55:59,417 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 23:55:59,426 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:55:59" (1/1) ... [2021-10-28 23:55:59,592 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:55:59" (1/1) ... [2021-10-28 23:55:59,723 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 23:55:59,724 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 23:55:59,725 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 23:55:59,725 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 23:55:59,735 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:55:59" (1/1) ... [2021-10-28 23:55:59,736 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:55:59" (1/1) ... [2021-10-28 23:55:59,748 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:55:59" (1/1) ... [2021-10-28 23:55:59,749 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:55:59" (1/1) ... [2021-10-28 23:55:59,810 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:55:59" (1/1) ... [2021-10-28 23:55:59,816 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:55:59" (1/1) ... [2021-10-28 23:55:59,829 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:55:59" (1/1) ... [2021-10-28 23:55:59,863 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 23:55:59,864 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 23:55:59,864 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 23:55:59,864 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 23:55:59,866 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:55:59" (1/1) ... [2021-10-28 23:55:59,878 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 23:55:59,892 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e9cb182-9b2d-4389-b13b-f591ce7f49b0/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:55:59,912 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e9cb182-9b2d-4389-b13b-f591ce7f49b0/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-28 23:55:59,933 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e9cb182-9b2d-4389-b13b-f591ce7f49b0/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-28 23:55:59,972 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-10-28 23:55:59,972 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-28 23:55:59,973 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-28 23:55:59,973 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-28 23:55:59,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-10-28 23:55:59,974 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 23:55:59,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 23:55:59,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-10-28 23:55:59,975 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 23:55:59,975 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-10-28 23:55:59,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-10-28 23:55:59,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-28 23:55:59,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-28 23:56:13,147 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 23:56:13,152 INFO L299 CfgBuilder]: Removed 74 assume(true) statements. [2021-10-28 23:56:13,155 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:56:13 BoogieIcfgContainer [2021-10-28 23:56:13,156 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 23:56:13,161 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-28 23:56:13,161 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-28 23:56:13,166 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-28 23:56:13,166 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 11:55:55" (1/3) ... [2021-10-28 23:56:13,167 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@453e90d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 11:56:13, skipping insertion in model container [2021-10-28 23:56:13,167 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:55:59" (2/3) ... [2021-10-28 23:56:13,168 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@453e90d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 11:56:13, skipping insertion in model container [2021-10-28 23:56:13,168 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:56:13" (3/3) ... [2021-10-28 23:56:13,171 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_string_eq_byte_cursor_harness.i [2021-10-28 23:56:13,178 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-28 23:56:13,180 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 5 error locations. [2021-10-28 23:56:13,258 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-28 23:56:13,267 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 [2021-10-28 23:56:13,268 INFO L340 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2021-10-28 23:56:13,301 INFO L276 IsEmpty]: Start isEmpty. Operand has 121 states, 115 states have (on average 1.4521739130434783) internal successors, (167), 120 states have internal predecessors, (167), 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) [2021-10-28 23:56:13,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-28 23:56:13,318 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:56:13,318 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:56:13,319 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-10-28 23:56:13,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:56:13,325 INFO L85 PathProgramCache]: Analyzing trace with hash -924134613, now seen corresponding path program 1 times [2021-10-28 23:56:13,334 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:56:13,334 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1415007723] [2021-10-28 23:56:13,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:56:13,336 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:56:14,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:56:14,360 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:56:14,360 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:56:14,361 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1415007723] [2021-10-28 23:56:14,362 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1415007723] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:56:14,362 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:56:14,362 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 23:56:14,365 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [172753056] [2021-10-28 23:56:14,371 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-28 23:56:14,371 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:56:14,390 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-28 23:56:14,393 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-28 23:56:14,397 INFO L87 Difference]: Start difference. First operand has 121 states, 115 states have (on average 1.4521739130434783) internal successors, (167), 120 states have internal predecessors, (167), 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 17.0) internal successors, (34), 2 states have internal predecessors, (34), 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) [2021-10-28 23:56:14,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:56:14,454 INFO L93 Difference]: Finished difference Result 236 states and 326 transitions. [2021-10-28 23:56:14,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-28 23:56:14,456 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 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 34 [2021-10-28 23:56:14,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:56:14,474 INFO L225 Difference]: With dead ends: 236 [2021-10-28 23:56:14,474 INFO L226 Difference]: Without dead ends: 116 [2021-10-28 23:56:14,477 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-28 23:56:14,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2021-10-28 23:56:14,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 116. [2021-10-28 23:56:14,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116 states, 111 states have (on average 1.3333333333333333) internal successors, (148), 115 states have internal predecessors, (148), 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) [2021-10-28 23:56:14,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 148 transitions. [2021-10-28 23:56:14,526 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 148 transitions. Word has length 34 [2021-10-28 23:56:14,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:56:14,527 INFO L470 AbstractCegarLoop]: Abstraction has 116 states and 148 transitions. [2021-10-28 23:56:14,527 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 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) [2021-10-28 23:56:14,528 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 148 transitions. [2021-10-28 23:56:14,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-28 23:56:14,530 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:56:14,530 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:56:14,531 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-28 23:56:14,531 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-10-28 23:56:14,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:56:14,532 INFO L85 PathProgramCache]: Analyzing trace with hash -4215317, now seen corresponding path program 1 times [2021-10-28 23:56:14,532 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:56:14,532 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2112073455] [2021-10-28 23:56:14,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:56:14,533 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:56:14,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:56:15,019 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:56:15,019 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:56:15,019 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2112073455] [2021-10-28 23:56:15,020 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2112073455] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:56:15,020 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:56:15,020 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-28 23:56:15,020 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [95111268] [2021-10-28 23:56:15,022 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-28 23:56:15,022 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:56:15,023 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-28 23:56:15,023 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-28 23:56:15,023 INFO L87 Difference]: Start difference. First operand 116 states and 148 transitions. Second operand has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 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) [2021-10-28 23:56:15,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:56:15,187 INFO L93 Difference]: Finished difference Result 199 states and 255 transitions. [2021-10-28 23:56:15,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-28 23:56:15,189 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 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 34 [2021-10-28 23:56:15,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:56:15,191 INFO L225 Difference]: With dead ends: 199 [2021-10-28 23:56:15,191 INFO L226 Difference]: Without dead ends: 116 [2021-10-28 23:56:15,192 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-28 23:56:15,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2021-10-28 23:56:15,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 116. [2021-10-28 23:56:15,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116 states, 111 states have (on average 1.3153153153153154) internal successors, (146), 115 states have internal predecessors, (146), 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) [2021-10-28 23:56:15,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 146 transitions. [2021-10-28 23:56:15,205 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 146 transitions. Word has length 34 [2021-10-28 23:56:15,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:56:15,206 INFO L470 AbstractCegarLoop]: Abstraction has 116 states and 146 transitions. [2021-10-28 23:56:15,206 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 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) [2021-10-28 23:56:15,207 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 146 transitions. [2021-10-28 23:56:15,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-10-28 23:56:15,209 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:56:15,209 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:56:15,209 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-28 23:56:15,210 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-10-28 23:56:15,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:56:15,211 INFO L85 PathProgramCache]: Analyzing trace with hash -2121258970, now seen corresponding path program 1 times [2021-10-28 23:56:15,211 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:56:15,211 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1098282090] [2021-10-28 23:56:15,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:56:15,212 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:56:15,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:56:15,714 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:56:15,714 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:56:15,714 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1098282090] [2021-10-28 23:56:15,715 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1098282090] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:56:15,715 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:56:15,715 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-28 23:56:15,715 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1568016804] [2021-10-28 23:56:15,716 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-28 23:56:15,716 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:56:15,717 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 23:56:15,717 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 23:56:15,717 INFO L87 Difference]: Start difference. First operand 116 states and 146 transitions. Second operand has 5 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 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) [2021-10-28 23:56:16,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:56:16,031 INFO L93 Difference]: Finished difference Result 237 states and 298 transitions. [2021-10-28 23:56:16,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-28 23:56:16,032 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 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 37 [2021-10-28 23:56:16,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:56:16,035 INFO L225 Difference]: With dead ends: 237 [2021-10-28 23:56:16,035 INFO L226 Difference]: Without dead ends: 193 [2021-10-28 23:56:16,036 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-10-28 23:56:16,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 193 states. [2021-10-28 23:56:16,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 193 to 142. [2021-10-28 23:56:16,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 142 states, 137 states have (on average 1.3211678832116789) internal successors, (181), 141 states have internal predecessors, (181), 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) [2021-10-28 23:56:16,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 181 transitions. [2021-10-28 23:56:16,071 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 181 transitions. Word has length 37 [2021-10-28 23:56:16,071 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:56:16,071 INFO L470 AbstractCegarLoop]: Abstraction has 142 states and 181 transitions. [2021-10-28 23:56:16,072 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 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) [2021-10-28 23:56:16,072 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 181 transitions. [2021-10-28 23:56:16,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-10-28 23:56:16,083 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:56:16,084 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:56:16,084 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-28 23:56:16,084 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-10-28 23:56:16,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:56:16,086 INFO L85 PathProgramCache]: Analyzing trace with hash 1356059876, now seen corresponding path program 1 times [2021-10-28 23:56:16,086 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:56:16,086 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1114952454] [2021-10-28 23:56:16,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:56:16,087 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:56:16,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:56:16,627 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:56:16,627 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:56:16,628 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1114952454] [2021-10-28 23:56:16,628 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1114952454] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:56:16,628 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:56:16,628 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-28 23:56:16,628 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1622283145] [2021-10-28 23:56:16,629 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-28 23:56:16,629 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:56:16,630 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-28 23:56:16,630 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-28 23:56:16,630 INFO L87 Difference]: Start difference. First operand 142 states and 181 transitions. Second operand has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 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) [2021-10-28 23:56:16,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:56:16,718 INFO L93 Difference]: Finished difference Result 283 states and 362 transitions. [2021-10-28 23:56:16,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-28 23:56:16,720 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 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 37 [2021-10-28 23:56:16,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:56:16,723 INFO L225 Difference]: With dead ends: 283 [2021-10-28 23:56:16,723 INFO L226 Difference]: Without dead ends: 241 [2021-10-28 23:56:16,724 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-28 23:56:16,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 241 states. [2021-10-28 23:56:16,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 241 to 226. [2021-10-28 23:56:16,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 226 states, 221 states have (on average 1.3257918552036199) internal successors, (293), 225 states have internal predecessors, (293), 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) [2021-10-28 23:56:16,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 293 transitions. [2021-10-28 23:56:16,760 INFO L78 Accepts]: Start accepts. Automaton has 226 states and 293 transitions. Word has length 37 [2021-10-28 23:56:16,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:56:16,761 INFO L470 AbstractCegarLoop]: Abstraction has 226 states and 293 transitions. [2021-10-28 23:56:16,761 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 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) [2021-10-28 23:56:16,762 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 293 transitions. [2021-10-28 23:56:16,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-10-28 23:56:16,766 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:56:16,766 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:56:16,767 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-28 23:56:16,768 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-10-28 23:56:16,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:56:16,774 INFO L85 PathProgramCache]: Analyzing trace with hash 154674179, now seen corresponding path program 1 times [2021-10-28 23:56:16,775 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:56:16,775 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [896850714] [2021-10-28 23:56:16,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:56:16,775 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:56:17,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:56:17,740 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:56:17,740 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:56:17,741 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [896850714] [2021-10-28 23:56:17,741 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [896850714] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:56:17,741 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:56:17,741 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-28 23:56:17,742 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1293257433] [2021-10-28 23:56:17,742 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-28 23:56:17,742 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:56:17,743 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-28 23:56:17,743 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-10-28 23:56:17,743 INFO L87 Difference]: Start difference. First operand 226 states and 293 transitions. Second operand has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 6 states have internal predecessors, (38), 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) [2021-10-28 23:56:18,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:56:18,145 INFO L93 Difference]: Finished difference Result 364 states and 462 transitions. [2021-10-28 23:56:18,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-28 23:56:18,146 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 6 states have internal predecessors, (38), 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 38 [2021-10-28 23:56:18,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:56:18,149 INFO L225 Difference]: With dead ends: 364 [2021-10-28 23:56:18,149 INFO L226 Difference]: Without dead ends: 358 [2021-10-28 23:56:18,150 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-10-28 23:56:18,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 358 states. [2021-10-28 23:56:18,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 358 to 226. [2021-10-28 23:56:18,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 226 states, 221 states have (on average 1.3212669683257918) internal successors, (292), 225 states have internal predecessors, (292), 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) [2021-10-28 23:56:18,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 292 transitions. [2021-10-28 23:56:18,172 INFO L78 Accepts]: Start accepts. Automaton has 226 states and 292 transitions. Word has length 38 [2021-10-28 23:56:18,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:56:18,173 INFO L470 AbstractCegarLoop]: Abstraction has 226 states and 292 transitions. [2021-10-28 23:56:18,173 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 6 states have internal predecessors, (38), 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) [2021-10-28 23:56:18,173 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 292 transitions. [2021-10-28 23:56:18,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-10-28 23:56:18,175 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:56:18,175 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:56:18,175 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-28 23:56:18,176 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-10-28 23:56:18,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:56:18,176 INFO L85 PathProgramCache]: Analyzing trace with hash -1163274757, now seen corresponding path program 1 times [2021-10-28 23:56:18,177 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:56:18,177 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1206489959] [2021-10-28 23:56:18,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:56:18,177 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:56:18,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:56:18,681 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:56:18,682 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:56:18,682 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1206489959] [2021-10-28 23:56:18,682 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1206489959] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:56:18,682 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:56:18,683 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-10-28 23:56:18,683 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1431360735] [2021-10-28 23:56:18,683 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-28 23:56:18,684 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:56:18,684 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-28 23:56:18,684 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-10-28 23:56:18,685 INFO L87 Difference]: Start difference. First operand 226 states and 292 transitions. Second operand has 7 states, 7 states have (on average 6.0) internal successors, (42), 7 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) [2021-10-28 23:56:26,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:56:26,266 INFO L93 Difference]: Finished difference Result 544 states and 692 transitions. [2021-10-28 23:56:26,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-28 23:56:26,267 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.0) internal successors, (42), 7 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) Word has length 42 [2021-10-28 23:56:26,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:56:26,271 INFO L225 Difference]: With dead ends: 544 [2021-10-28 23:56:26,271 INFO L226 Difference]: Without dead ends: 435 [2021-10-28 23:56:26,273 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2021-10-28 23:56:26,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 435 states. [2021-10-28 23:56:26,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 435 to 311. [2021-10-28 23:56:26,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 311 states, 306 states have (on average 1.3202614379084967) internal successors, (404), 310 states have internal predecessors, (404), 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) [2021-10-28 23:56:26,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 311 states and 404 transitions. [2021-10-28 23:56:26,301 INFO L78 Accepts]: Start accepts. Automaton has 311 states and 404 transitions. Word has length 42 [2021-10-28 23:56:26,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:56:26,304 INFO L470 AbstractCegarLoop]: Abstraction has 311 states and 404 transitions. [2021-10-28 23:56:26,304 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.0) internal successors, (42), 7 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) [2021-10-28 23:56:26,304 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states and 404 transitions. [2021-10-28 23:56:26,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-10-28 23:56:26,307 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:56:26,307 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:56:26,307 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-28 23:56:26,308 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-10-28 23:56:26,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:56:26,308 INFO L85 PathProgramCache]: Analyzing trace with hash 489246643, now seen corresponding path program 1 times [2021-10-28 23:56:26,309 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:56:26,309 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [289353188] [2021-10-28 23:56:26,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:56:26,309 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:56:26,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:56:27,160 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:56:27,160 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:56:27,160 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [289353188] [2021-10-28 23:56:27,160 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [289353188] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:56:27,161 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:56:27,161 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-10-28 23:56:27,161 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1718805341] [2021-10-28 23:56:27,162 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-28 23:56:27,162 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:56:27,162 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-28 23:56:27,163 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-10-28 23:56:27,163 INFO L87 Difference]: Start difference. First operand 311 states and 404 transitions. Second operand has 7 states, 7 states have (on average 6.571428571428571) internal successors, (46), 7 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) [2021-10-28 23:56:27,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:56:27,772 INFO L93 Difference]: Finished difference Result 624 states and 793 transitions. [2021-10-28 23:56:27,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-28 23:56:27,773 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.571428571428571) internal successors, (46), 7 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) Word has length 46 [2021-10-28 23:56:27,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:56:27,777 INFO L225 Difference]: With dead ends: 624 [2021-10-28 23:56:27,777 INFO L226 Difference]: Without dead ends: 444 [2021-10-28 23:56:27,778 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2021-10-28 23:56:27,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 444 states. [2021-10-28 23:56:27,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 444 to 311. [2021-10-28 23:56:27,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 311 states, 306 states have (on average 1.3137254901960784) internal successors, (402), 310 states have internal predecessors, (402), 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) [2021-10-28 23:56:27,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 311 states and 402 transitions. [2021-10-28 23:56:27,819 INFO L78 Accepts]: Start accepts. Automaton has 311 states and 402 transitions. Word has length 46 [2021-10-28 23:56:27,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:56:27,819 INFO L470 AbstractCegarLoop]: Abstraction has 311 states and 402 transitions. [2021-10-28 23:56:27,820 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.571428571428571) internal successors, (46), 7 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) [2021-10-28 23:56:27,820 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states and 402 transitions. [2021-10-28 23:56:27,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-10-28 23:56:27,822 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:56:27,822 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:56:27,823 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-28 23:56:27,823 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-10-28 23:56:27,824 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:56:27,824 INFO L85 PathProgramCache]: Analyzing trace with hash 1364595712, now seen corresponding path program 1 times [2021-10-28 23:56:27,824 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:56:27,824 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [331690950] [2021-10-28 23:56:27,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:56:27,827 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:56:28,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:56:28,466 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:56:28,466 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:56:28,466 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [331690950] [2021-10-28 23:56:28,466 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [331690950] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:56:28,466 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:56:28,467 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-10-28 23:56:28,467 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [627607123] [2021-10-28 23:56:28,467 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-10-28 23:56:28,467 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:56:28,468 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-10-28 23:56:28,468 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-10-28 23:56:28,469 INFO L87 Difference]: Start difference. First operand 311 states and 402 transitions. Second operand has 9 states, 9 states have (on average 5.333333333333333) internal successors, (48), 9 states have internal predecessors, (48), 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) [2021-10-28 23:56:29,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:56:29,180 INFO L93 Difference]: Finished difference Result 572 states and 737 transitions. [2021-10-28 23:56:29,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-28 23:56:29,181 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.333333333333333) internal successors, (48), 9 states have internal predecessors, (48), 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 48 [2021-10-28 23:56:29,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:56:29,185 INFO L225 Difference]: With dead ends: 572 [2021-10-28 23:56:29,185 INFO L226 Difference]: Without dead ends: 419 [2021-10-28 23:56:29,186 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=78, Invalid=194, Unknown=0, NotChecked=0, Total=272 [2021-10-28 23:56:29,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 419 states. [2021-10-28 23:56:29,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 419 to 311. [2021-10-28 23:56:29,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 311 states, 306 states have (on average 1.3006535947712419) internal successors, (398), 310 states have internal predecessors, (398), 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) [2021-10-28 23:56:29,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 311 states and 398 transitions. [2021-10-28 23:56:29,204 INFO L78 Accepts]: Start accepts. Automaton has 311 states and 398 transitions. Word has length 48 [2021-10-28 23:56:29,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:56:29,205 INFO L470 AbstractCegarLoop]: Abstraction has 311 states and 398 transitions. [2021-10-28 23:56:29,205 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.333333333333333) internal successors, (48), 9 states have internal predecessors, (48), 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) [2021-10-28 23:56:29,206 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states and 398 transitions. [2021-10-28 23:56:29,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-10-28 23:56:29,207 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:56:29,207 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:56:29,207 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-10-28 23:56:29,208 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-10-28 23:56:29,208 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:56:29,208 INFO L85 PathProgramCache]: Analyzing trace with hash -1167265266, now seen corresponding path program 1 times [2021-10-28 23:56:29,209 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:56:29,209 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [429897818] [2021-10-28 23:56:29,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:56:29,209 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:56:29,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:56:29,568 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:56:29,568 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:56:29,568 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [429897818] [2021-10-28 23:56:29,568 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [429897818] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:56:29,568 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:56:29,569 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-28 23:56:29,569 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [236815365] [2021-10-28 23:56:29,569 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-28 23:56:29,569 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:56:29,570 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 23:56:29,570 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-10-28 23:56:29,570 INFO L87 Difference]: Start difference. First operand 311 states and 398 transitions. Second operand has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 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) [2021-10-28 23:56:34,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:56:34,368 INFO L93 Difference]: Finished difference Result 657 states and 828 transitions. [2021-10-28 23:56:34,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-28 23:56:34,369 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 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 48 [2021-10-28 23:56:34,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:56:34,372 INFO L225 Difference]: With dead ends: 657 [2021-10-28 23:56:34,372 INFO L226 Difference]: Without dead ends: 431 [2021-10-28 23:56:34,373 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-10-28 23:56:34,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 431 states. [2021-10-28 23:56:34,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 431 to 311. [2021-10-28 23:56:34,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 311 states, 306 states have (on average 1.2712418300653594) internal successors, (389), 310 states have internal predecessors, (389), 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) [2021-10-28 23:56:34,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 311 states and 389 transitions. [2021-10-28 23:56:34,392 INFO L78 Accepts]: Start accepts. Automaton has 311 states and 389 transitions. Word has length 48 [2021-10-28 23:56:34,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:56:34,393 INFO L470 AbstractCegarLoop]: Abstraction has 311 states and 389 transitions. [2021-10-28 23:56:34,393 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 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) [2021-10-28 23:56:34,393 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states and 389 transitions. [2021-10-28 23:56:34,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-10-28 23:56:34,395 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:56:34,395 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:56:34,395 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-10-28 23:56:34,396 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-10-28 23:56:34,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:56:34,401 INFO L85 PathProgramCache]: Analyzing trace with hash 883718732, now seen corresponding path program 1 times [2021-10-28 23:56:34,401 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:56:34,401 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1183402600] [2021-10-28 23:56:34,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:56:34,402 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:56:38,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:56:39,166 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:56:39,167 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:56:39,167 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1183402600] [2021-10-28 23:56:39,167 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1183402600] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:56:39,167 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:56:39,167 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-10-28 23:56:39,167 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [750902427] [2021-10-28 23:56:39,168 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-28 23:56:39,168 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:56:39,169 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-28 23:56:39,169 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-10-28 23:56:39,169 INFO L87 Difference]: Start difference. First operand 311 states and 389 transitions. Second operand has 8 states, 8 states have (on average 6.0) internal successors, (48), 8 states have internal predecessors, (48), 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) [2021-10-28 23:56:44,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:56:44,608 INFO L93 Difference]: Finished difference Result 644 states and 797 transitions. [2021-10-28 23:56:44,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-28 23:56:44,609 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.0) internal successors, (48), 8 states have internal predecessors, (48), 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 48 [2021-10-28 23:56:44,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:56:44,612 INFO L225 Difference]: With dead ends: 644 [2021-10-28 23:56:44,612 INFO L226 Difference]: Without dead ends: 450 [2021-10-28 23:56:44,613 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2021-10-28 23:56:44,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 450 states. [2021-10-28 23:56:44,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 450 to 315. [2021-10-28 23:56:44,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 315 states, 310 states have (on average 1.264516129032258) internal successors, (392), 314 states have internal predecessors, (392), 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) [2021-10-28 23:56:44,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 315 states and 392 transitions. [2021-10-28 23:56:44,634 INFO L78 Accepts]: Start accepts. Automaton has 315 states and 392 transitions. Word has length 48 [2021-10-28 23:56:44,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:56:44,635 INFO L470 AbstractCegarLoop]: Abstraction has 315 states and 392 transitions. [2021-10-28 23:56:44,635 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.0) internal successors, (48), 8 states have internal predecessors, (48), 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) [2021-10-28 23:56:44,635 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 392 transitions. [2021-10-28 23:56:44,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-10-28 23:56:44,636 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:56:44,637 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:56:44,637 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-10-28 23:56:44,638 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-10-28 23:56:44,638 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:56:44,638 INFO L85 PathProgramCache]: Analyzing trace with hash 377585824, now seen corresponding path program 1 times [2021-10-28 23:56:44,639 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:56:44,639 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [370948297] [2021-10-28 23:56:44,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:56:44,639 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:56:47,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:56:48,393 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:56:48,394 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:56:48,394 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [370948297] [2021-10-28 23:56:48,394 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [370948297] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:56:48,394 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:56:48,394 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-10-28 23:56:48,394 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1720349799] [2021-10-28 23:56:48,395 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-10-28 23:56:48,395 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:56:48,396 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-10-28 23:56:48,396 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2021-10-28 23:56:48,397 INFO L87 Difference]: Start difference. First operand 315 states and 392 transitions. Second operand has 9 states, 9 states have (on average 5.666666666666667) internal successors, (51), 9 states have internal predecessors, (51), 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) [2021-10-28 23:56:53,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:56:53,961 INFO L93 Difference]: Finished difference Result 532 states and 652 transitions. [2021-10-28 23:56:53,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-28 23:56:53,962 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.666666666666667) internal successors, (51), 9 states have internal predecessors, (51), 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 51 [2021-10-28 23:56:53,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:56:53,966 INFO L225 Difference]: With dead ends: 532 [2021-10-28 23:56:53,966 INFO L226 Difference]: Without dead ends: 525 [2021-10-28 23:56:53,967 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=80, Invalid=192, Unknown=0, NotChecked=0, Total=272 [2021-10-28 23:56:53,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 525 states. [2021-10-28 23:56:53,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 525 to 317. [2021-10-28 23:56:53,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 317 states, 312 states have (on average 1.2628205128205128) internal successors, (394), 316 states have internal predecessors, (394), 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) [2021-10-28 23:56:53,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 317 states and 394 transitions. [2021-10-28 23:56:53,989 INFO L78 Accepts]: Start accepts. Automaton has 317 states and 394 transitions. Word has length 51 [2021-10-28 23:56:53,989 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:56:53,990 INFO L470 AbstractCegarLoop]: Abstraction has 317 states and 394 transitions. [2021-10-28 23:56:53,990 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.666666666666667) internal successors, (51), 9 states have internal predecessors, (51), 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) [2021-10-28 23:56:53,990 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 394 transitions. [2021-10-28 23:56:53,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-10-28 23:56:53,992 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:56:53,992 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:56:53,992 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-10-28 23:56:53,993 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-10-28 23:56:53,993 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:56:53,993 INFO L85 PathProgramCache]: Analyzing trace with hash 1057644194, now seen corresponding path program 1 times [2021-10-28 23:56:53,993 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:56:53,994 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [629806310] [2021-10-28 23:56:53,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:56:53,994 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:56:54,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:56:54,996 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:56:54,996 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:56:54,996 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [629806310] [2021-10-28 23:56:54,997 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [629806310] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:56:54,997 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:56:54,997 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-10-28 23:56:54,997 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1902107036] [2021-10-28 23:56:54,998 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-10-28 23:56:54,998 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:56:54,998 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-10-28 23:56:54,999 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2021-10-28 23:56:54,999 INFO L87 Difference]: Start difference. First operand 317 states and 394 transitions. Second operand has 10 states, 10 states have (on average 5.1) internal successors, (51), 10 states have internal predecessors, (51), 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) [2021-10-28 23:57:07,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:57:07,084 INFO L93 Difference]: Finished difference Result 807 states and 992 transitions. [2021-10-28 23:57:07,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-28 23:57:07,085 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.1) internal successors, (51), 10 states have internal predecessors, (51), 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 51 [2021-10-28 23:57:07,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:57:07,090 INFO L225 Difference]: With dead ends: 807 [2021-10-28 23:57:07,090 INFO L226 Difference]: Without dead ends: 796 [2021-10-28 23:57:07,091 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=74, Invalid=166, Unknown=0, NotChecked=0, Total=240 [2021-10-28 23:57:07,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 796 states. [2021-10-28 23:57:07,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 796 to 486. [2021-10-28 23:57:07,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 486 states, 481 states have (on average 1.2744282744282744) internal successors, (613), 485 states have internal predecessors, (613), 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) [2021-10-28 23:57:07,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 486 states to 486 states and 613 transitions. [2021-10-28 23:57:07,126 INFO L78 Accepts]: Start accepts. Automaton has 486 states and 613 transitions. Word has length 51 [2021-10-28 23:57:07,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:57:07,128 INFO L470 AbstractCegarLoop]: Abstraction has 486 states and 613 transitions. [2021-10-28 23:57:07,128 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.1) internal successors, (51), 10 states have internal predecessors, (51), 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) [2021-10-28 23:57:07,129 INFO L276 IsEmpty]: Start isEmpty. Operand 486 states and 613 transitions. [2021-10-28 23:57:07,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-10-28 23:57:07,130 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:57:07,130 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:57:07,131 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-10-28 23:57:07,131 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-10-28 23:57:07,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:57:07,132 INFO L85 PathProgramCache]: Analyzing trace with hash 1717175716, now seen corresponding path program 1 times [2021-10-28 23:57:07,132 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:57:07,132 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1445332176] [2021-10-28 23:57:07,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:57:07,133 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:57:07,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:57:07,406 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:57:07,407 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:57:07,407 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1445332176] [2021-10-28 23:57:07,407 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1445332176] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:57:07,407 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:57:07,407 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-28 23:57:07,407 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [500635324] [2021-10-28 23:57:07,408 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-28 23:57:07,408 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:57:07,408 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-28 23:57:07,409 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-28 23:57:07,409 INFO L87 Difference]: Start difference. First operand 486 states and 613 transitions. Second operand has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 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) [2021-10-28 23:57:07,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:57:07,599 INFO L93 Difference]: Finished difference Result 680 states and 835 transitions. [2021-10-28 23:57:07,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-28 23:57:07,600 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 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 51 [2021-10-28 23:57:07,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:57:07,603 INFO L225 Difference]: With dead ends: 680 [2021-10-28 23:57:07,603 INFO L226 Difference]: Without dead ends: 363 [2021-10-28 23:57:07,604 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-28 23:57:07,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 363 states. [2021-10-28 23:57:07,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 363 to 327. [2021-10-28 23:57:07,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 327 states, 322 states have (on average 1.2422360248447204) internal successors, (400), 326 states have internal predecessors, (400), 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) [2021-10-28 23:57:07,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 327 states and 400 transitions. [2021-10-28 23:57:07,623 INFO L78 Accepts]: Start accepts. Automaton has 327 states and 400 transitions. Word has length 51 [2021-10-28 23:57:07,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:57:07,623 INFO L470 AbstractCegarLoop]: Abstraction has 327 states and 400 transitions. [2021-10-28 23:57:07,623 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 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) [2021-10-28 23:57:07,623 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 400 transitions. [2021-10-28 23:57:07,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-10-28 23:57:07,624 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:57:07,625 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:57:07,625 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-10-28 23:57:07,625 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-10-28 23:57:07,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:57:07,626 INFO L85 PathProgramCache]: Analyzing trace with hash 1312240936, now seen corresponding path program 1 times [2021-10-28 23:57:07,626 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:57:07,626 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1943317231] [2021-10-28 23:57:07,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:57:07,627 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:57:07,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:57:08,131 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:57:08,131 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:57:08,131 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1943317231] [2021-10-28 23:57:08,132 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1943317231] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:57:08,132 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:57:08,132 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-10-28 23:57:08,132 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1263923241] [2021-10-28 23:57:08,133 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-10-28 23:57:08,133 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:57:08,133 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-10-28 23:57:08,134 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-10-28 23:57:08,134 INFO L87 Difference]: Start difference. First operand 327 states and 400 transitions. Second operand has 9 states, 9 states have (on average 5.888888888888889) internal successors, (53), 9 states have internal predecessors, (53), 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) [2021-10-28 23:57:08,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:57:08,693 INFO L93 Difference]: Finished difference Result 405 states and 487 transitions. [2021-10-28 23:57:08,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-28 23:57:08,694 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.888888888888889) internal successors, (53), 9 states have internal predecessors, (53), 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 53 [2021-10-28 23:57:08,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:57:08,697 INFO L225 Difference]: With dead ends: 405 [2021-10-28 23:57:08,697 INFO L226 Difference]: Without dead ends: 342 [2021-10-28 23:57:08,698 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=73, Invalid=167, Unknown=0, NotChecked=0, Total=240 [2021-10-28 23:57:08,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 342 states. [2021-10-28 23:57:08,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 342 to 271. [2021-10-28 23:57:08,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 271 states, 266 states have (on average 1.2330827067669172) internal successors, (328), 270 states have internal predecessors, (328), 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) [2021-10-28 23:57:08,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 271 states and 328 transitions. [2021-10-28 23:57:08,716 INFO L78 Accepts]: Start accepts. Automaton has 271 states and 328 transitions. Word has length 53 [2021-10-28 23:57:08,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:57:08,717 INFO L470 AbstractCegarLoop]: Abstraction has 271 states and 328 transitions. [2021-10-28 23:57:08,717 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.888888888888889) internal successors, (53), 9 states have internal predecessors, (53), 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) [2021-10-28 23:57:08,717 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 328 transitions. [2021-10-28 23:57:08,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-10-28 23:57:08,718 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:57:08,718 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:57:08,719 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-10-28 23:57:08,719 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-10-28 23:57:08,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:57:08,720 INFO L85 PathProgramCache]: Analyzing trace with hash -1904494503, now seen corresponding path program 1 times [2021-10-28 23:57:08,720 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:57:08,720 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [931205066] [2021-10-28 23:57:08,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:57:08,721 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:57:08,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:57:09,622 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:57:09,623 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:57:09,623 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [931205066] [2021-10-28 23:57:09,623 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [931205066] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:57:09,623 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:57:09,623 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-10-28 23:57:09,624 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [714060136] [2021-10-28 23:57:09,624 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-10-28 23:57:09,624 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:57:09,625 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-10-28 23:57:09,625 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2021-10-28 23:57:09,625 INFO L87 Difference]: Start difference. First operand 271 states and 328 transitions. Second operand has 11 states, 11 states have (on average 4.818181818181818) internal successors, (53), 11 states have internal predecessors, (53), 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) [2021-10-28 23:57:15,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:57:15,525 INFO L93 Difference]: Finished difference Result 479 states and 578 transitions. [2021-10-28 23:57:15,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-10-28 23:57:15,525 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.818181818181818) internal successors, (53), 11 states have internal predecessors, (53), 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 53 [2021-10-28 23:57:15,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:57:15,529 INFO L225 Difference]: With dead ends: 479 [2021-10-28 23:57:15,529 INFO L226 Difference]: Without dead ends: 318 [2021-10-28 23:57:15,530 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=94, Invalid=286, Unknown=0, NotChecked=0, Total=380 [2021-10-28 23:57:15,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 318 states. [2021-10-28 23:57:15,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 318 to 105. [2021-10-28 23:57:15,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105 states, 101 states have (on average 1.188118811881188) internal successors, (120), 104 states have internal predecessors, (120), 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) [2021-10-28 23:57:15,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 120 transitions. [2021-10-28 23:57:15,540 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 120 transitions. Word has length 53 [2021-10-28 23:57:15,540 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:57:15,540 INFO L470 AbstractCegarLoop]: Abstraction has 105 states and 120 transitions. [2021-10-28 23:57:15,541 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.818181818181818) internal successors, (53), 11 states have internal predecessors, (53), 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) [2021-10-28 23:57:15,541 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 120 transitions. [2021-10-28 23:57:15,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-10-28 23:57:15,549 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:57:15,549 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:57:15,549 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-10-28 23:57:15,550 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-10-28 23:57:15,550 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:57:15,550 INFO L85 PathProgramCache]: Analyzing trace with hash 621986550, now seen corresponding path program 1 times [2021-10-28 23:57:15,551 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:57:15,551 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [257932208] [2021-10-28 23:57:15,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:57:15,551 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:57:15,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:57:16,195 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:57:16,195 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:57:16,195 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [257932208] [2021-10-28 23:57:16,195 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [257932208] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:57:16,196 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:57:16,196 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-10-28 23:57:16,196 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [743737458] [2021-10-28 23:57:16,196 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-10-28 23:57:16,196 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:57:16,197 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-10-28 23:57:16,197 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-10-28 23:57:16,197 INFO L87 Difference]: Start difference. First operand 105 states and 120 transitions. Second operand has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 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) [2021-10-28 23:57:16,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:57:16,953 INFO L93 Difference]: Finished difference Result 194 states and 221 transitions. [2021-10-28 23:57:16,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-28 23:57:16,953 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 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) Word has length 54 [2021-10-28 23:57:16,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:57:16,955 INFO L225 Difference]: With dead ends: 194 [2021-10-28 23:57:16,955 INFO L226 Difference]: Without dead ends: 167 [2021-10-28 23:57:16,955 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=104, Invalid=238, Unknown=0, NotChecked=0, Total=342 [2021-10-28 23:57:16,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2021-10-28 23:57:16,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 134. [2021-10-28 23:57:16,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 134 states, 130 states have (on average 1.2) internal successors, (156), 133 states have internal predecessors, (156), 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) [2021-10-28 23:57:16,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 156 transitions. [2021-10-28 23:57:16,967 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 156 transitions. Word has length 54 [2021-10-28 23:57:16,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:57:16,968 INFO L470 AbstractCegarLoop]: Abstraction has 134 states and 156 transitions. [2021-10-28 23:57:16,968 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 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) [2021-10-28 23:57:16,968 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 156 transitions. [2021-10-28 23:57:16,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-10-28 23:57:16,969 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:57:16,969 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:57:16,970 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-10-28 23:57:16,970 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-10-28 23:57:16,970 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:57:16,971 INFO L85 PathProgramCache]: Analyzing trace with hash 684026164, now seen corresponding path program 1 times [2021-10-28 23:57:16,971 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:57:16,971 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1952040980] [2021-10-28 23:57:16,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:57:16,972 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:57:17,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:57:17,374 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:57:17,375 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:57:17,375 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1952040980] [2021-10-28 23:57:17,375 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1952040980] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:57:17,375 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:57:17,375 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-28 23:57:17,375 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [90497231] [2021-10-28 23:57:17,376 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-28 23:57:17,376 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:57:17,376 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-28 23:57:17,377 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-28 23:57:17,377 INFO L87 Difference]: Start difference. First operand 134 states and 156 transitions. Second operand has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 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) [2021-10-28 23:57:17,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:57:17,436 INFO L93 Difference]: Finished difference Result 161 states and 184 transitions. [2021-10-28 23:57:17,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-28 23:57:17,436 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 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) Word has length 54 [2021-10-28 23:57:17,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:57:17,438 INFO L225 Difference]: With dead ends: 161 [2021-10-28 23:57:17,438 INFO L226 Difference]: Without dead ends: 134 [2021-10-28 23:57:17,438 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-28 23:57:17,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2021-10-28 23:57:17,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 105. [2021-10-28 23:57:17,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105 states, 101 states have (on average 1.1782178217821782) internal successors, (119), 104 states have internal predecessors, (119), 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) [2021-10-28 23:57:17,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 119 transitions. [2021-10-28 23:57:17,448 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 119 transitions. Word has length 54 [2021-10-28 23:57:17,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:57:17,448 INFO L470 AbstractCegarLoop]: Abstraction has 105 states and 119 transitions. [2021-10-28 23:57:17,449 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 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) [2021-10-28 23:57:17,449 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 119 transitions. [2021-10-28 23:57:17,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-10-28 23:57:17,450 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:57:17,450 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:57:17,450 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-10-28 23:57:17,451 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-10-28 23:57:17,451 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:57:17,451 INFO L85 PathProgramCache]: Analyzing trace with hash -313917039, now seen corresponding path program 1 times [2021-10-28 23:57:17,451 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:57:17,452 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [713809159] [2021-10-28 23:57:17,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:57:17,452 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:57:17,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:57:17,836 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:57:17,836 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:57:17,836 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [713809159] [2021-10-28 23:57:17,836 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [713809159] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:57:17,837 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:57:17,837 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-28 23:57:17,837 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1228933953] [2021-10-28 23:57:17,837 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-28 23:57:17,837 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:57:17,838 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-28 23:57:17,838 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-10-28 23:57:17,838 INFO L87 Difference]: Start difference. First operand 105 states and 119 transitions. Second operand has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 6 states have internal predecessors, (59), 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) [2021-10-28 23:57:18,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:57:18,173 INFO L93 Difference]: Finished difference Result 205 states and 232 transitions. [2021-10-28 23:57:18,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-28 23:57:18,174 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 6 states have internal predecessors, (59), 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 59 [2021-10-28 23:57:18,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:57:18,176 INFO L225 Difference]: With dead ends: 205 [2021-10-28 23:57:18,176 INFO L226 Difference]: Without dead ends: 167 [2021-10-28 23:57:18,176 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2021-10-28 23:57:18,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2021-10-28 23:57:18,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 116. [2021-10-28 23:57:18,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116 states, 112 states have (on average 1.1785714285714286) internal successors, (132), 115 states have internal predecessors, (132), 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) [2021-10-28 23:57:18,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 132 transitions. [2021-10-28 23:57:18,187 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 132 transitions. Word has length 59 [2021-10-28 23:57:18,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:57:18,187 INFO L470 AbstractCegarLoop]: Abstraction has 116 states and 132 transitions. [2021-10-28 23:57:18,187 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 6 states have internal predecessors, (59), 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) [2021-10-28 23:57:18,188 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 132 transitions. [2021-10-28 23:57:18,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-10-28 23:57:18,188 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:57:18,189 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:57:18,189 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-10-28 23:57:18,189 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-10-28 23:57:18,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:57:18,190 INFO L85 PathProgramCache]: Analyzing trace with hash 387682835, now seen corresponding path program 1 times [2021-10-28 23:57:18,190 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:57:18,190 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [389554593] [2021-10-28 23:57:18,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:57:18,191 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:57:18,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:57:18,530 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:57:18,530 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:57:18,531 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [389554593] [2021-10-28 23:57:18,531 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [389554593] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:57:18,531 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:57:18,531 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-28 23:57:18,531 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [89937815] [2021-10-28 23:57:18,532 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-28 23:57:18,532 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:57:18,532 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-28 23:57:18,532 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-28 23:57:18,533 INFO L87 Difference]: Start difference. First operand 116 states and 132 transitions. Second operand has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 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) [2021-10-28 23:57:18,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:57:18,627 INFO L93 Difference]: Finished difference Result 167 states and 190 transitions. [2021-10-28 23:57:18,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-28 23:57:18,627 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 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 59 [2021-10-28 23:57:18,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:57:18,628 INFO L225 Difference]: With dead ends: 167 [2021-10-28 23:57:18,629 INFO L226 Difference]: Without dead ends: 105 [2021-10-28 23:57:18,629 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-28 23:57:18,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2021-10-28 23:57:18,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 105. [2021-10-28 23:57:18,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105 states, 101 states have (on average 1.1584158415841583) internal successors, (117), 104 states have internal predecessors, (117), 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) [2021-10-28 23:57:18,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 117 transitions. [2021-10-28 23:57:18,638 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 117 transitions. Word has length 59 [2021-10-28 23:57:18,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:57:18,639 INFO L470 AbstractCegarLoop]: Abstraction has 105 states and 117 transitions. [2021-10-28 23:57:18,639 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 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) [2021-10-28 23:57:18,639 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 117 transitions. [2021-10-28 23:57:18,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-10-28 23:57:18,640 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:57:18,640 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:57:18,640 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-10-28 23:57:18,641 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-10-28 23:57:18,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:57:18,641 INFO L85 PathProgramCache]: Analyzing trace with hash 759909220, now seen corresponding path program 1 times [2021-10-28 23:57:18,642 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:57:18,642 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2084047775] [2021-10-28 23:57:18,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:57:18,642 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:57:18,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:57:19,024 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:57:19,024 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:57:19,024 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2084047775] [2021-10-28 23:57:19,024 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2084047775] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:57:19,025 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:57:19,025 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-28 23:57:19,025 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [687897958] [2021-10-28 23:57:19,025 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-28 23:57:19,025 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:57:19,026 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-28 23:57:19,026 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-10-28 23:57:19,026 INFO L87 Difference]: Start difference. First operand 105 states and 117 transitions. Second operand has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 6 states have internal predecessors, (62), 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) [2021-10-28 23:57:19,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:57:19,340 INFO L93 Difference]: Finished difference Result 145 states and 160 transitions. [2021-10-28 23:57:19,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-28 23:57:19,342 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 6 states have internal predecessors, (62), 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 62 [2021-10-28 23:57:19,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:57:19,343 INFO L225 Difference]: With dead ends: 145 [2021-10-28 23:57:19,343 INFO L226 Difference]: Without dead ends: 105 [2021-10-28 23:57:19,343 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2021-10-28 23:57:19,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2021-10-28 23:57:19,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 105. [2021-10-28 23:57:19,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105 states, 101 states have (on average 1.1485148514851484) internal successors, (116), 104 states have internal predecessors, (116), 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) [2021-10-28 23:57:19,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 116 transitions. [2021-10-28 23:57:19,352 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 116 transitions. Word has length 62 [2021-10-28 23:57:19,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:57:19,353 INFO L470 AbstractCegarLoop]: Abstraction has 105 states and 116 transitions. [2021-10-28 23:57:19,353 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 6 states have internal predecessors, (62), 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) [2021-10-28 23:57:19,353 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 116 transitions. [2021-10-28 23:57:19,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-10-28 23:57:19,354 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:57:19,354 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:57:19,355 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-10-28 23:57:19,355 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-10-28 23:57:19,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:57:19,358 INFO L85 PathProgramCache]: Analyzing trace with hash 262116169, now seen corresponding path program 1 times [2021-10-28 23:57:19,358 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:57:19,358 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1209018017] [2021-10-28 23:57:19,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:57:19,359 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:57:19,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:57:19,750 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:57:19,750 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:57:19,750 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1209018017] [2021-10-28 23:57:19,750 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1209018017] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:57:19,750 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:57:19,751 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-28 23:57:19,751 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1780743767] [2021-10-28 23:57:19,751 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-28 23:57:19,751 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:57:19,752 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 23:57:19,752 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 23:57:19,752 INFO L87 Difference]: Start difference. First operand 105 states and 116 transitions. Second operand has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 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) [2021-10-28 23:57:19,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:57:19,864 INFO L93 Difference]: Finished difference Result 133 states and 145 transitions. [2021-10-28 23:57:19,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-28 23:57:19,865 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 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 64 [2021-10-28 23:57:19,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:57:19,866 INFO L225 Difference]: With dead ends: 133 [2021-10-28 23:57:19,866 INFO L226 Difference]: Without dead ends: 105 [2021-10-28 23:57:19,867 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-28 23:57:19,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2021-10-28 23:57:19,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 105. [2021-10-28 23:57:19,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105 states, 101 states have (on average 1.1386138613861385) internal successors, (115), 104 states have internal predecessors, (115), 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) [2021-10-28 23:57:19,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 115 transitions. [2021-10-28 23:57:19,876 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 115 transitions. Word has length 64 [2021-10-28 23:57:19,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:57:19,876 INFO L470 AbstractCegarLoop]: Abstraction has 105 states and 115 transitions. [2021-10-28 23:57:19,876 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 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) [2021-10-28 23:57:19,877 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 115 transitions. [2021-10-28 23:57:19,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-10-28 23:57:19,877 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:57:19,878 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:57:19,878 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-10-28 23:57:19,878 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-10-28 23:57:19,879 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:57:19,879 INFO L85 PathProgramCache]: Analyzing trace with hash -366028880, now seen corresponding path program 1 times [2021-10-28 23:57:19,879 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:57:19,879 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1497788225] [2021-10-28 23:57:19,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:57:19,880 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:57:20,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:57:20,878 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:57:20,878 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:57:20,878 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1497788225] [2021-10-28 23:57:20,879 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1497788225] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:57:20,879 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:57:20,879 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-28 23:57:20,879 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1797899923] [2021-10-28 23:57:20,879 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-28 23:57:20,880 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:57:20,880 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-28 23:57:20,880 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-10-28 23:57:20,881 INFO L87 Difference]: Start difference. First operand 105 states and 115 transitions. Second operand has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 6 states have internal predecessors, (65), 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) [2021-10-28 23:57:21,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:57:21,055 INFO L93 Difference]: Finished difference Result 105 states and 115 transitions. [2021-10-28 23:57:21,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-28 23:57:21,056 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 6 states have internal predecessors, (65), 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 65 [2021-10-28 23:57:21,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:57:21,056 INFO L225 Difference]: With dead ends: 105 [2021-10-28 23:57:21,056 INFO L226 Difference]: Without dead ends: 0 [2021-10-28 23:57:21,057 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2021-10-28 23:57:21,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-28 23:57:21,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-28 23:57:21,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 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) [2021-10-28 23:57:21,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-28 23:57:21,058 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 65 [2021-10-28 23:57:21,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:57:21,058 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 23:57:21,058 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 6 states have internal predecessors, (65), 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) [2021-10-28 23:57:21,059 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-28 23:57:21,059 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-28 23:57:21,062 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 23:57:21,064 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 23:57:21,065 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 23:57:21,065 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 23:57:21,065 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 23:57:21,065 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-10-28 23:57:21,068 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-28 23:57:21,073 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:57:21,075 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:57:21,077 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:57:21,086 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:57:21,112 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:57:21,187 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:57:21,188 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:57:21,189 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:57:21,191 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:57:21,192 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:57:21,345 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:57:21,346 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:57:21,347 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:57:21,498 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:57:21,500 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:57:21,507 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:57:21,633 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:57:21,635 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:57:21,648 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:57:26,883 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 223) no Hoare annotation was computed. [2021-10-28 23:57:26,883 INFO L857 garLoopResultBuilder]: For program point L9549(lines 9549 9550) no Hoare annotation was computed. [2021-10-28 23:57:26,883 INFO L857 garLoopResultBuilder]: For program point L9549-2(lines 9549 9550) no Hoare annotation was computed. [2021-10-28 23:57:26,883 INFO L857 garLoopResultBuilder]: For program point L9549-3(lines 9549 9559) no Hoare annotation was computed. [2021-10-28 23:57:26,883 INFO L853 garLoopResultBuilder]: At program point L6890(lines 6889 6891) the Hoare annotation is: false [2021-10-28 23:57:26,883 INFO L857 garLoopResultBuilder]: For program point L9549-4(lines 9549 9559) no Hoare annotation was computed. [2021-10-28 23:57:26,884 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-28 23:57:26,884 INFO L857 garLoopResultBuilder]: For program point L7370(lines 7370 7371) no Hoare annotation was computed. [2021-10-28 23:57:26,884 INFO L857 garLoopResultBuilder]: For program point L7370-4(lines 7370 7371) no Hoare annotation was computed. [2021-10-28 23:57:26,884 INFO L853 garLoopResultBuilder]: At program point L7370-3(lines 7368 7372) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_aws_string_eq_byte_cursor_harness_~#cursor~2.base| ULTIMATE.start_aws_byte_cursor_is_valid_~cursor.base)) (.cse1 (= ULTIMATE.start_aws_string_eq_byte_cursor_harness_~str~3.base 0)) (.cse2 (not (= |ULTIMATE.start_aws_string_eq_byte_cursor_harness_~#cursor~2.base| 0))) (.cse3 (= ULTIMATE.start_aws_string_eq_byte_cursor_harness_~str~3.offset 0)) (.cse4 (select (select |#memory_int| ULTIMATE.start_aws_byte_cursor_is_valid_~cursor.base) ULTIMATE.start_aws_byte_cursor_is_valid_~cursor.offset)) (.cse5 (= ULTIMATE.start_aws_byte_cursor_is_valid_~cursor.offset |ULTIMATE.start_aws_string_eq_byte_cursor_harness_~#cursor~2.offset|))) (or (and .cse0 (<= |ULTIMATE.start_aws_byte_cursor_is_valid_#res| 1) .cse1 (not (= |ULTIMATE.start_bounded_malloc_#res.base| 0)) .cse2 .cse3 (<= 1 |ULTIMATE.start_aws_byte_cursor_is_valid_#res|) (<= 1 .cse4) (= |ULTIMATE.start_aws_string_eq_byte_cursor_harness_~#cursor~2.base| ULTIMATE.start_ensure_byte_cursor_has_allocated_buffer_member_~cursor.base) (= ULTIMATE.start_bounded_malloc_~size (select (select |#memory_int| ULTIMATE.start_ensure_byte_cursor_has_allocated_buffer_member_~cursor.base) ULTIMATE.start_ensure_byte_cursor_has_allocated_buffer_member_~cursor.offset)) .cse5 (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_string_eq_byte_cursor_harness_~#cursor~2.base|) ~aws_common_error~0~AWS_ERROR_INVALID_BASE64_STR) 0)) (= |ULTIMATE.start_aws_string_eq_byte_cursor_harness_~#cursor~2.offset| ULTIMATE.start_ensure_byte_cursor_has_allocated_buffer_member_~cursor.offset) (= |ULTIMATE.start_aws_string_eq_byte_cursor_harness_~#cursor~2.offset| 0)) (and .cse0 .cse2 (<= 0 |ULTIMATE.start_aws_byte_cursor_is_valid_#res|) (<= |ULTIMATE.start_aws_byte_cursor_is_valid_#res| 0) .cse5) (and .cse0 .cse1 .cse2 .cse3 (= .cse4 0) .cse5))) [2021-10-28 23:57:26,884 INFO L857 garLoopResultBuilder]: For program point L7370-2(lines 7370 7371) no Hoare annotation was computed. [2021-10-28 23:57:26,884 INFO L857 garLoopResultBuilder]: For program point L7370-8(lines 7370 7371) no Hoare annotation was computed. [2021-10-28 23:57:26,885 INFO L853 garLoopResultBuilder]: At program point L7370-7(lines 7368 7372) the Hoare annotation is: (let ((.cse13 (select (select |#memory_int| |ULTIMATE.start_aws_string_eq_byte_cursor_harness_~#cursor~2.base|) |ULTIMATE.start_aws_string_eq_byte_cursor_harness_~#cursor~2.offset|))) (let ((.cse1 (not (= |ULTIMATE.start_bounded_malloc_#res.base| 0))) (.cse4 (<= 1 .cse13)) (.cse5 (= |ULTIMATE.start_aws_string_eq_byte_cursor_harness_~#cursor~2.base| ULTIMATE.start_ensure_byte_cursor_has_allocated_buffer_member_~cursor.base)) (.cse6 (= ULTIMATE.start_bounded_malloc_~size (select (select |#memory_int| ULTIMATE.start_ensure_byte_cursor_has_allocated_buffer_member_~cursor.base) ULTIMATE.start_ensure_byte_cursor_has_allocated_buffer_member_~cursor.offset))) (.cse7 (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_string_eq_byte_cursor_harness_~#cursor~2.base|) ~aws_common_error~0~AWS_ERROR_INVALID_BASE64_STR) 0))) (.cse8 (= |ULTIMATE.start_aws_string_eq_byte_cursor_harness_~#cursor~2.offset| ULTIMATE.start_ensure_byte_cursor_has_allocated_buffer_member_~cursor.offset)) (.cse9 (= |ULTIMATE.start_aws_string_eq_byte_cursor_harness_~#cursor~2.offset| 0)) (.cse0 (= ULTIMATE.start_aws_string_eq_byte_cursor_harness_~str~3.base 0)) (.cse2 (not (= |ULTIMATE.start_aws_string_eq_byte_cursor_harness_~#cursor~2.base| 0))) (.cse3 (= ULTIMATE.start_aws_string_eq_byte_cursor_harness_~str~3.offset 0)) (.cse11 (= .cse13 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9) (and (= ULTIMATE.start_aws_string_eq_byte_cursor_~cur.base 0) .cse1 .cse2 (= |ULTIMATE.start_aws_string_eq_byte_cursor_harness_#t~ite1551.base| 0) (= ULTIMATE.start_aws_string_eq_byte_cursor_~cur.offset 0) (not (= |ULTIMATE.start_ensure_string_is_allocated_bounded_length_#res.base| 0)) (= |ULTIMATE.start_aws_string_eq_byte_cursor_harness_#t~ite1551.offset| 0) (let ((.cse10 (not .cse0)) (.cse12 (not (= ULTIMATE.start_aws_string_eq_byte_cursor_~str.base 0)))) (or (and .cse10 .cse11 .cse12 .cse5 .cse8 .cse9) (and .cse10 .cse4 .cse12 .cse5 .cse6 .cse7 .cse8 .cse9))) (not (= |ULTIMATE.start_ensure_string_is_allocated_#res.base| 0)) (not |ULTIMATE.start_aws_string_eq_byte_cursor_#t~short1492|) (not (= ULTIMATE.start_ensure_string_is_allocated_~str~0.base 0))) (and .cse0 .cse2 .cse3 .cse11)))) [2021-10-28 23:57:26,885 INFO L857 garLoopResultBuilder]: For program point L7370-6(lines 7370 7371) no Hoare annotation was computed. [2021-10-28 23:57:26,885 INFO L853 garLoopResultBuilder]: At program point L7370-11(lines 7368 7372) the Hoare annotation is: (and (<= |ULTIMATE.start_aws_byte_cursor_is_valid_#res| 1) (not (= |ULTIMATE.start_aws_string_eq_byte_cursor_harness_~#cursor~2.base| 0)) (<= 1 |ULTIMATE.start_aws_byte_cursor_is_valid_#res|)) [2021-10-28 23:57:26,885 INFO L857 garLoopResultBuilder]: For program point L7370-10(lines 7370 7371) no Hoare annotation was computed. [2021-10-28 23:57:26,886 INFO L857 garLoopResultBuilder]: For program point L7371(line 7371) no Hoare annotation was computed. [2021-10-28 23:57:26,886 INFO L857 garLoopResultBuilder]: For program point L7371-5(line 7371) no Hoare annotation was computed. [2021-10-28 23:57:26,886 INFO L857 garLoopResultBuilder]: For program point L7371-4(line 7371) no Hoare annotation was computed. [2021-10-28 23:57:26,886 INFO L857 garLoopResultBuilder]: For program point L7371-2(line 7371) no Hoare annotation was computed. [2021-10-28 23:57:26,886 INFO L857 garLoopResultBuilder]: For program point L7371-8(line 7371) no Hoare annotation was computed. [2021-10-28 23:57:26,886 INFO L857 garLoopResultBuilder]: For program point L7371-6(line 7371) no Hoare annotation was computed. [2021-10-28 23:57:26,886 INFO L857 garLoopResultBuilder]: For program point L7371-12(line 7371) no Hoare annotation was computed. [2021-10-28 23:57:26,886 INFO L857 garLoopResultBuilder]: For program point L7371-11(line 7371) no Hoare annotation was computed. [2021-10-28 23:57:26,887 INFO L857 garLoopResultBuilder]: For program point L7371-10(line 7371) no Hoare annotation was computed. [2021-10-28 23:57:26,887 INFO L857 garLoopResultBuilder]: For program point L6810(lines 6810 6811) no Hoare annotation was computed. [2021-10-28 23:57:26,887 INFO L857 garLoopResultBuilder]: For program point L7371-17(line 7371) no Hoare annotation was computed. [2021-10-28 23:57:26,887 INFO L857 garLoopResultBuilder]: For program point L7371-16(line 7371) no Hoare annotation was computed. [2021-10-28 23:57:26,887 INFO L857 garLoopResultBuilder]: For program point L7371-14(line 7371) no Hoare annotation was computed. [2021-10-28 23:57:26,887 INFO L857 garLoopResultBuilder]: For program point L7371-20(line 7371) no Hoare annotation was computed. [2021-10-28 23:57:26,887 INFO L857 garLoopResultBuilder]: For program point L6810-2(lines 6810 6811) no Hoare annotation was computed. [2021-10-28 23:57:26,887 INFO L857 garLoopResultBuilder]: For program point L7371-18(line 7371) no Hoare annotation was computed. [2021-10-28 23:57:26,887 INFO L857 garLoopResultBuilder]: For program point L7371-24(line 7371) no Hoare annotation was computed. [2021-10-28 23:57:26,887 INFO L857 garLoopResultBuilder]: For program point L7371-23(line 7371) no Hoare annotation was computed. [2021-10-28 23:57:26,887 INFO L857 garLoopResultBuilder]: For program point L7371-22(line 7371) no Hoare annotation was computed. [2021-10-28 23:57:26,888 INFO L857 garLoopResultBuilder]: For program point L7371-29(line 7371) no Hoare annotation was computed. [2021-10-28 23:57:26,888 INFO L857 garLoopResultBuilder]: For program point L7371-28(line 7371) no Hoare annotation was computed. [2021-10-28 23:57:26,888 INFO L857 garLoopResultBuilder]: For program point L7371-26(line 7371) no Hoare annotation was computed. [2021-10-28 23:57:26,888 INFO L857 garLoopResultBuilder]: For program point L7371-32(line 7371) no Hoare annotation was computed. [2021-10-28 23:57:26,888 INFO L857 garLoopResultBuilder]: For program point L7371-30(line 7371) no Hoare annotation was computed. [2021-10-28 23:57:26,889 INFO L857 garLoopResultBuilder]: For program point L7371-35(line 7371) no Hoare annotation was computed. [2021-10-28 23:57:26,889 INFO L857 garLoopResultBuilder]: For program point L7371-34(line 7371) no Hoare annotation was computed. [2021-10-28 23:57:26,889 INFO L853 garLoopResultBuilder]: At program point L7703(lines 7684 7704) the Hoare annotation is: (let ((.cse16 (select (select |#memory_int| |ULTIMATE.start_aws_string_eq_byte_cursor_harness_~#cursor~2.base|) |ULTIMATE.start_aws_string_eq_byte_cursor_harness_~#cursor~2.offset|))) (let ((.cse3 (= ULTIMATE.start_aws_string_eq_byte_cursor_harness_~str~3.offset 0)) (.cse10 (= .cse16 0)) (.cse1 (not (= |ULTIMATE.start_bounded_malloc_#res.base| 0))) (.cse4 (<= 1 .cse16)) (.cse5 (= |ULTIMATE.start_aws_string_eq_byte_cursor_harness_~#cursor~2.base| ULTIMATE.start_ensure_byte_cursor_has_allocated_buffer_member_~cursor.base)) (.cse6 (= ULTIMATE.start_bounded_malloc_~size (select (select |#memory_int| ULTIMATE.start_ensure_byte_cursor_has_allocated_buffer_member_~cursor.base) ULTIMATE.start_ensure_byte_cursor_has_allocated_buffer_member_~cursor.offset))) (.cse7 (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_string_eq_byte_cursor_harness_~#cursor~2.base|) ~aws_common_error~0~AWS_ERROR_INVALID_BASE64_STR) 0))) (.cse8 (= |ULTIMATE.start_aws_string_eq_byte_cursor_harness_~#cursor~2.offset| ULTIMATE.start_ensure_byte_cursor_has_allocated_buffer_member_~cursor.offset)) (.cse9 (= |ULTIMATE.start_aws_string_eq_byte_cursor_harness_~#cursor~2.offset| 0)) (.cse0 (= ULTIMATE.start_aws_string_eq_byte_cursor_harness_~str~3.base 0)) (.cse2 (not (= |ULTIMATE.start_aws_string_eq_byte_cursor_harness_~#cursor~2.base| 0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9) (and .cse0 .cse2 .cse3 .cse10) (and (not (= ULTIMATE.start_aws_string_eq_byte_cursor_~cur.base 0)) (let ((.cse11 (not .cse0)) (.cse12 (not (= |ULTIMATE.start_ensure_string_is_allocated_bounded_length_#res.base| 0))) (.cse13 (not (= |ULTIMATE.start_ensure_string_is_allocated_#res.base| 0))) (.cse14 (not (= ULTIMATE.start_ensure_string_is_allocated_~str~0.base 0))) (.cse15 (not (= ULTIMATE.start_aws_string_eq_byte_cursor_~str.base 0)))) (or (and .cse11 .cse1 .cse10 .cse12 .cse13 .cse14 .cse15 .cse5 .cse8 .cse9) (and .cse11 .cse1 .cse4 .cse12 .cse13 .cse14 .cse15 .cse5 .cse6 .cse7 .cse8 .cse9))) (= |ULTIMATE.start_aws_array_eq_#res| 0) (not (= |ULTIMATE.start_aws_string_eq_byte_cursor_harness_#t~ite1551.base| 0)) .cse2)))) [2021-10-28 23:57:26,889 INFO L857 garLoopResultBuilder]: For program point L9553(lines 9553 9558) no Hoare annotation was computed. [2021-10-28 23:57:26,890 INFO L857 garLoopResultBuilder]: For program point L222(lines 222 224) no Hoare annotation was computed. [2021-10-28 23:57:26,890 INFO L857 garLoopResultBuilder]: For program point L222-1(lines 222 224) no Hoare annotation was computed. [2021-10-28 23:57:26,890 INFO L857 garLoopResultBuilder]: For program point L9537(lines 9537 9561) no Hoare annotation was computed. [2021-10-28 23:57:26,890 INFO L857 garLoopResultBuilder]: For program point L222-2(lines 7101 7111) no Hoare annotation was computed. [2021-10-28 23:57:26,890 INFO L857 garLoopResultBuilder]: For program point L222-3(lines 222 224) no Hoare annotation was computed. [2021-10-28 23:57:26,891 INFO L857 garLoopResultBuilder]: For program point L222-4(lines 222 224) no Hoare annotation was computed. [2021-10-28 23:57:26,891 INFO L857 garLoopResultBuilder]: For program point L9538(lines 9538 9539) no Hoare annotation was computed. [2021-10-28 23:57:26,891 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-28 23:57:26,891 INFO L857 garLoopResultBuilder]: For program point L9340(lines 9340 9348) no Hoare annotation was computed. [2021-10-28 23:57:26,891 INFO L857 garLoopResultBuilder]: For program point L223(line 223) no Hoare annotation was computed. [2021-10-28 23:57:26,892 INFO L857 garLoopResultBuilder]: For program point L223-1(line 223) no Hoare annotation was computed. [2021-10-28 23:57:26,892 INFO L857 garLoopResultBuilder]: For program point L9538-2(lines 9538 9539) no Hoare annotation was computed. [2021-10-28 23:57:26,892 INFO L857 garLoopResultBuilder]: For program point L223-3(line 223) no Hoare annotation was computed. [2021-10-28 23:57:26,892 INFO L857 garLoopResultBuilder]: For program point L223-4(line 223) no Hoare annotation was computed. [2021-10-28 23:57:26,892 INFO L857 garLoopResultBuilder]: For program point L223-6(line 223) no Hoare annotation was computed. [2021-10-28 23:57:26,893 INFO L857 garLoopResultBuilder]: For program point L223-7(line 223) no Hoare annotation was computed. [2021-10-28 23:57:26,893 INFO L857 garLoopResultBuilder]: For program point L9555(lines 9555 9557) no Hoare annotation was computed. [2021-10-28 23:57:26,893 INFO L857 garLoopResultBuilder]: For program point L223-9(line 223) no Hoare annotation was computed. [2021-10-28 23:57:26,893 INFO L857 garLoopResultBuilder]: For program point L223-10(line 223) no Hoare annotation was computed. [2021-10-28 23:57:26,893 INFO L857 garLoopResultBuilder]: For program point L223-12(line 223) no Hoare annotation was computed. [2021-10-28 23:57:26,893 INFO L857 garLoopResultBuilder]: For program point L223-13(line 223) no Hoare annotation was computed. [2021-10-28 23:57:26,894 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 223) no Hoare annotation was computed. [2021-10-28 23:57:26,894 INFO L853 garLoopResultBuilder]: At program point L6815(lines 6806 6816) the Hoare annotation is: false [2021-10-28 23:57:26,894 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION(line 223) no Hoare annotation was computed. [2021-10-28 23:57:26,894 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-28 23:57:26,895 INFO L857 garLoopResultBuilder]: For program point L210(lines 210 212) no Hoare annotation was computed. [2021-10-28 23:57:26,895 INFO L857 garLoopResultBuilder]: For program point L210-1(lines 210 212) no Hoare annotation was computed. [2021-10-28 23:57:26,895 INFO L857 garLoopResultBuilder]: For program point L210-2(lines 210 212) no Hoare annotation was computed. [2021-10-28 23:57:26,895 INFO L857 garLoopResultBuilder]: For program point L210-3(lines 210 212) no Hoare annotation was computed. [2021-10-28 23:57:26,895 INFO L857 garLoopResultBuilder]: For program point L210-4(lines 210 212) no Hoare annotation was computed. [2021-10-28 23:57:26,895 INFO L857 garLoopResultBuilder]: For program point L210-5(lines 210 212) no Hoare annotation was computed. [2021-10-28 23:57:26,896 INFO L857 garLoopResultBuilder]: For program point L210-6(lines 210 212) no Hoare annotation was computed. [2021-10-28 23:57:26,896 INFO L857 garLoopResultBuilder]: For program point L210-7(lines 7691 7695) no Hoare annotation was computed. [2021-10-28 23:57:26,896 INFO L857 garLoopResultBuilder]: For program point L210-8(lines 210 212) no Hoare annotation was computed. [2021-10-28 23:57:26,896 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION(line 223) no Hoare annotation was computed. [2021-10-28 23:57:26,896 INFO L857 garLoopResultBuilder]: For program point L211(line 211) no Hoare annotation was computed. [2021-10-28 23:57:26,897 INFO L857 garLoopResultBuilder]: For program point L211-2(line 211) no Hoare annotation was computed. [2021-10-28 23:57:26,897 INFO L857 garLoopResultBuilder]: For program point L6256-2(line 6256) no Hoare annotation was computed. [2021-10-28 23:57:26,897 INFO L857 garLoopResultBuilder]: For program point L211-4(line 211) no Hoare annotation was computed. [2021-10-28 23:57:26,897 INFO L857 garLoopResultBuilder]: For program point L6256(line 6256) no Hoare annotation was computed. [2021-10-28 23:57:26,897 INFO L857 garLoopResultBuilder]: For program point L211-6(line 211) no Hoare annotation was computed. [2021-10-28 23:57:26,898 INFO L857 garLoopResultBuilder]: For program point L6256-5(line 6256) no Hoare annotation was computed. [2021-10-28 23:57:26,898 INFO L853 garLoopResultBuilder]: At program point L6256-6(lines 6252 6257) the Hoare annotation is: (let ((.cse21 (select (select |#memory_int| ULTIMATE.start_aws_byte_cursor_is_valid_~cursor.base) ULTIMATE.start_aws_byte_cursor_is_valid_~cursor.offset))) (let ((.cse8 (<= 1 .cse21)) (.cse10 (= ULTIMATE.start_bounded_malloc_~size (select (select |#memory_int| ULTIMATE.start_ensure_byte_cursor_has_allocated_buffer_member_~cursor.base) ULTIMATE.start_ensure_byte_cursor_has_allocated_buffer_member_~cursor.offset))) (.cse12 (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_string_eq_byte_cursor_harness_~#cursor~2.base|) ~aws_common_error~0~AWS_ERROR_INVALID_BASE64_STR) 0))) (.cse1 (<= |ULTIMATE.start_aws_byte_cursor_is_valid_#res| 1)) (.cse3 (not (= |ULTIMATE.start_bounded_malloc_#res.base| 0))) (.cse6 (not |ULTIMATE.start_aws_string_eq_byte_cursor_#t~short1490|)) (.cse7 (<= 1 |ULTIMATE.start_aws_byte_cursor_is_valid_#res|)) (.cse9 (= |ULTIMATE.start_aws_string_eq_byte_cursor_harness_~#cursor~2.base| ULTIMATE.start_ensure_byte_cursor_has_allocated_buffer_member_~cursor.base)) (.cse13 (= |ULTIMATE.start_aws_string_eq_byte_cursor_harness_~#cursor~2.offset| ULTIMATE.start_ensure_byte_cursor_has_allocated_buffer_member_~cursor.offset)) (.cse14 (= |ULTIMATE.start_aws_string_eq_byte_cursor_harness_~#cursor~2.offset| 0)) (.cse0 (= |ULTIMATE.start_aws_string_eq_byte_cursor_harness_~#cursor~2.base| ULTIMATE.start_aws_byte_cursor_is_valid_~cursor.base)) (.cse2 (= ULTIMATE.start_aws_string_eq_byte_cursor_harness_~str~3.base 0)) (.cse4 (not (= |ULTIMATE.start_aws_string_eq_byte_cursor_harness_~#cursor~2.base| 0))) (.cse5 (= ULTIMATE.start_aws_string_eq_byte_cursor_harness_~str~3.offset 0)) (.cse20 (= .cse21 0)) (.cse11 (= ULTIMATE.start_aws_byte_cursor_is_valid_~cursor.offset |ULTIMATE.start_aws_string_eq_byte_cursor_harness_~#cursor~2.offset|))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14) (and (= ULTIMATE.start_aws_string_eq_byte_cursor_~cur.base 0) (= |ULTIMATE.start_aws_string_eq_byte_cursor_harness_#t~ite1551.base| 0) (= ULTIMATE.start_aws_string_eq_byte_cursor_~cur.offset 0) (= |ULTIMATE.start_aws_string_eq_byte_cursor_harness_#t~ite1551.offset| 0) (let ((.cse15 (not .cse2)) (.cse16 (not (= |ULTIMATE.start_ensure_string_is_allocated_bounded_length_#res.base| 0))) (.cse17 (not (= |ULTIMATE.start_ensure_string_is_allocated_#res.base| 0))) (.cse18 (not (= ULTIMATE.start_ensure_string_is_allocated_~str~0.base 0))) (.cse19 (not (= ULTIMATE.start_aws_string_eq_byte_cursor_~str.base 0)))) (or (and .cse15 .cse0 .cse1 .cse3 .cse4 .cse6 .cse7 .cse16 .cse17 .cse8 .cse18 .cse19 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14) (and .cse15 .cse0 .cse1 .cse3 .cse4 .cse6 .cse20 .cse7 .cse16 .cse17 .cse18 .cse19 .cse9 .cse11 .cse13 .cse14)))) (and .cse0 .cse2 .cse4 .cse5 .cse20 .cse11)))) [2021-10-28 23:57:26,898 INFO L857 garLoopResultBuilder]: For program point L6256-3(line 6256) no Hoare annotation was computed. [2021-10-28 23:57:26,898 INFO L857 garLoopResultBuilder]: For program point L211-8(line 211) no Hoare annotation was computed. [2021-10-28 23:57:26,899 INFO L857 garLoopResultBuilder]: For program point L211-10(line 211) no Hoare annotation was computed. [2021-10-28 23:57:26,899 INFO L857 garLoopResultBuilder]: For program point L6256-9(line 6256) no Hoare annotation was computed. [2021-10-28 23:57:26,899 INFO L857 garLoopResultBuilder]: For program point L6256-10(line 6256) no Hoare annotation was computed. [2021-10-28 23:57:26,899 INFO L857 garLoopResultBuilder]: For program point L211-12(line 211) no Hoare annotation was computed. [2021-10-28 23:57:26,899 INFO L857 garLoopResultBuilder]: For program point L6256-7(line 6256) no Hoare annotation was computed. [2021-10-28 23:57:26,900 INFO L860 garLoopResultBuilder]: At program point L261(line 261) the Hoare annotation is: true [2021-10-28 23:57:26,900 INFO L857 garLoopResultBuilder]: For program point L211-14(line 211) no Hoare annotation was computed. [2021-10-28 23:57:26,900 INFO L853 garLoopResultBuilder]: At program point L6256-13(lines 6252 6257) the Hoare annotation is: false [2021-10-28 23:57:26,900 INFO L853 garLoopResultBuilder]: At program point L261-1(line 261) the Hoare annotation is: false [2021-10-28 23:57:26,900 INFO L853 garLoopResultBuilder]: At program point L261-2(line 261) the Hoare annotation is: (and (= ULTIMATE.start_aws_string_eq_byte_cursor_harness_~str~3.base 0) (not (= |ULTIMATE.start_aws_string_eq_byte_cursor_harness_~#cursor~2.base| 0)) (= ULTIMATE.start_aws_string_eq_byte_cursor_harness_~str~3.offset 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_string_eq_byte_cursor_harness_~#cursor~2.base|) ~aws_common_error~0~AWS_ERROR_INVALID_BASE64_STR) 0) (= |ULTIMATE.start_aws_string_eq_byte_cursor_harness_~#cursor~2.base| ULTIMATE.start_ensure_byte_cursor_has_allocated_buffer_member_~cursor.base) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_string_eq_byte_cursor_harness_~#cursor~2.base|) ~aws_common_error~0~AWS_ERROR_INVALID_BASE64_STR) 0) (= |ULTIMATE.start_aws_string_eq_byte_cursor_harness_~#cursor~2.offset| ULTIMATE.start_ensure_byte_cursor_has_allocated_buffer_member_~cursor.offset) (= |ULTIMATE.start_aws_string_eq_byte_cursor_harness_~#cursor~2.offset| 0)) [2021-10-28 23:57:26,901 INFO L857 garLoopResultBuilder]: For program point L211-16(line 211) no Hoare annotation was computed. [2021-10-28 23:57:26,901 INFO L853 garLoopResultBuilder]: At program point L261-3(line 261) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_aws_string_eq_byte_cursor_harness_~#cursor~2.base| ULTIMATE.start_aws_byte_cursor_is_valid_~cursor.base)) (.cse1 (= ULTIMATE.start_aws_string_eq_byte_cursor_harness_~str~3.base 0)) (.cse2 (not (= |ULTIMATE.start_aws_string_eq_byte_cursor_harness_~#cursor~2.base| 0))) (.cse3 (= ULTIMATE.start_aws_string_eq_byte_cursor_harness_~str~3.offset 0)) (.cse4 (select (select |#memory_int| ULTIMATE.start_aws_byte_cursor_is_valid_~cursor.base) ULTIMATE.start_aws_byte_cursor_is_valid_~cursor.offset)) (.cse5 (= ULTIMATE.start_aws_byte_cursor_is_valid_~cursor.offset |ULTIMATE.start_aws_string_eq_byte_cursor_harness_~#cursor~2.offset|))) (or (and .cse0 (<= |ULTIMATE.start_aws_byte_cursor_is_valid_#res| 1) .cse1 (not (= |ULTIMATE.start_bounded_malloc_#res.base| 0)) .cse2 .cse3 (<= 1 |ULTIMATE.start_aws_byte_cursor_is_valid_#res|) (<= 1 .cse4) (= |ULTIMATE.start_aws_string_eq_byte_cursor_harness_~#cursor~2.base| ULTIMATE.start_ensure_byte_cursor_has_allocated_buffer_member_~cursor.base) (= ULTIMATE.start_bounded_malloc_~size (select (select |#memory_int| ULTIMATE.start_ensure_byte_cursor_has_allocated_buffer_member_~cursor.base) ULTIMATE.start_ensure_byte_cursor_has_allocated_buffer_member_~cursor.offset)) .cse5 (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_string_eq_byte_cursor_harness_~#cursor~2.base|) ~aws_common_error~0~AWS_ERROR_INVALID_BASE64_STR) 0)) (= |ULTIMATE.start_aws_string_eq_byte_cursor_harness_~#cursor~2.offset| ULTIMATE.start_ensure_byte_cursor_has_allocated_buffer_member_~cursor.offset) (= |ULTIMATE.start_aws_string_eq_byte_cursor_harness_~#cursor~2.offset| 0)) (and .cse0 .cse1 .cse2 .cse3 (= .cse4 0) .cse5))) [2021-10-28 23:57:26,901 INFO L857 garLoopResultBuilder]: For program point L6256-12(line 6256) no Hoare annotation was computed. [2021-10-28 23:57:26,901 INFO L857 garLoopResultBuilder]: For program point L7099(lines 7099 7112) no Hoare annotation was computed. [2021-10-28 23:57:26,902 INFO L857 garLoopResultBuilder]: For program point L9329(line 9329) no Hoare annotation was computed. [2021-10-28 23:57:26,902 INFO L857 garLoopResultBuilder]: For program point L9329-2(line 9329) no Hoare annotation was computed. [2021-10-28 23:57:26,902 INFO L857 garLoopResultBuilder]: For program point L9330(line 9330) no Hoare annotation was computed. [2021-10-28 23:57:26,902 INFO L853 garLoopResultBuilder]: At program point L6803(lines 6800 6804) the Hoare annotation is: false [2021-10-28 23:57:26,902 INFO L857 garLoopResultBuilder]: For program point L9330-2(line 9330) no Hoare annotation was computed. [2021-10-28 23:57:26,903 INFO L853 garLoopResultBuilder]: At program point L6886(lines 6882 6887) the Hoare annotation is: false [2021-10-28 23:57:26,903 INFO L853 garLoopResultBuilder]: At program point L6886-1(lines 6882 6887) the Hoare annotation is: (and (= ULTIMATE.start_aws_string_eq_byte_cursor_harness_~str~3.base 0) (not (= |ULTIMATE.start_bounded_malloc_#res.base| 0)) (not (= |ULTIMATE.start_aws_string_eq_byte_cursor_harness_~#cursor~2.base| 0)) (= ULTIMATE.start_aws_string_eq_byte_cursor_harness_~str~3.offset 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_string_eq_byte_cursor_harness_~#cursor~2.base|) ~aws_common_error~0~AWS_ERROR_INVALID_BASE64_STR) 0) (= |ULTIMATE.start_aws_string_eq_byte_cursor_harness_~#cursor~2.base| ULTIMATE.start_ensure_byte_cursor_has_allocated_buffer_member_~cursor.base) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_string_eq_byte_cursor_harness_~#cursor~2.base|) ~aws_common_error~0~AWS_ERROR_INVALID_BASE64_STR) 0) (= ULTIMATE.start_bounded_malloc_~size (select (select |#memory_int| ULTIMATE.start_ensure_byte_cursor_has_allocated_buffer_member_~cursor.base) ULTIMATE.start_ensure_byte_cursor_has_allocated_buffer_member_~cursor.offset)) (= |ULTIMATE.start_aws_string_eq_byte_cursor_harness_~#cursor~2.offset| ULTIMATE.start_ensure_byte_cursor_has_allocated_buffer_member_~cursor.offset) (= |ULTIMATE.start_aws_string_eq_byte_cursor_harness_~#cursor~2.offset| 0)) [2021-10-28 23:57:26,903 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-28 23:57:26,903 INFO L860 garLoopResultBuilder]: At program point L9562(line 9562) the Hoare annotation is: true [2021-10-28 23:57:26,904 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 223) no Hoare annotation was computed. [2021-10-28 23:57:26,904 INFO L857 garLoopResultBuilder]: For program point L9331(lines 9331 9339) no Hoare annotation was computed. [2021-10-28 23:57:26,904 INFO L857 garLoopResultBuilder]: For program point L6672(lines 6672 6676) no Hoare annotation was computed. [2021-10-28 23:57:26,904 INFO L857 garLoopResultBuilder]: For program point L6673-2(lines 6673 6675) no Hoare annotation was computed. [2021-10-28 23:57:26,904 INFO L857 garLoopResultBuilder]: For program point L6673(lines 6673 6675) no Hoare annotation was computed. [2021-10-28 23:57:26,905 INFO L857 garLoopResultBuilder]: For program point L7697(lines 7697 7701) no Hoare annotation was computed. [2021-10-28 23:57:26,905 INFO L853 garLoopResultBuilder]: At program point L9349(lines 9327 9350) the Hoare annotation is: (let ((.cse16 (select (select |#memory_int| |ULTIMATE.start_aws_string_eq_byte_cursor_harness_~#cursor~2.base|) |ULTIMATE.start_aws_string_eq_byte_cursor_harness_~#cursor~2.offset|))) (let ((.cse1 (not (= |ULTIMATE.start_bounded_malloc_#res.base| 0))) (.cse3 (<= 1 .cse16)) (.cse8 (= |ULTIMATE.start_aws_string_eq_byte_cursor_harness_~#cursor~2.base| ULTIMATE.start_ensure_byte_cursor_has_allocated_buffer_member_~cursor.base)) (.cse9 (= ULTIMATE.start_bounded_malloc_~size (select (select |#memory_int| ULTIMATE.start_ensure_byte_cursor_has_allocated_buffer_member_~cursor.base) ULTIMATE.start_ensure_byte_cursor_has_allocated_buffer_member_~cursor.offset))) (.cse10 (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_string_eq_byte_cursor_harness_~#cursor~2.base|) ~aws_common_error~0~AWS_ERROR_INVALID_BASE64_STR) 0))) (.cse11 (= |ULTIMATE.start_aws_string_eq_byte_cursor_harness_~#cursor~2.offset| ULTIMATE.start_ensure_byte_cursor_has_allocated_buffer_member_~cursor.offset)) (.cse12 (= |ULTIMATE.start_aws_string_eq_byte_cursor_harness_~#cursor~2.offset| 0)) (.cse14 (= ULTIMATE.start_aws_string_eq_byte_cursor_harness_~str~3.base 0)) (.cse2 (not (= |ULTIMATE.start_aws_string_eq_byte_cursor_harness_~#cursor~2.base| 0))) (.cse15 (= ULTIMATE.start_aws_string_eq_byte_cursor_harness_~str~3.offset 0)) (.cse13 (= .cse16 0))) (or (and (= |ULTIMATE.start_aws_string_eq_byte_cursor_#res| 0) (let ((.cse0 (not .cse14)) (.cse4 (not (= |ULTIMATE.start_ensure_string_is_allocated_bounded_length_#res.base| 0))) (.cse5 (not (= |ULTIMATE.start_ensure_string_is_allocated_#res.base| 0))) (.cse6 (not (= ULTIMATE.start_ensure_string_is_allocated_~str~0.base 0))) (.cse7 (not (= ULTIMATE.start_aws_string_eq_byte_cursor_~str.base 0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12) (and .cse0 .cse1 .cse2 (= (+ 8 ULTIMATE.start_ensure_byte_cursor_has_allocated_buffer_member_~cursor.offset) ~aws_common_error~0~AWS_ERROR_INVALID_BASE64_STR) .cse13 .cse4 .cse5 .cse6 .cse7 .cse8 .cse12)))) (and .cse14 .cse1 .cse2 .cse15 .cse3 .cse8 .cse9 .cse10 .cse11 .cse12) (and .cse14 .cse2 .cse15 .cse13)))) [2021-10-28 23:57:26,905 INFO L853 garLoopResultBuilder]: At program point L266(line 266) the Hoare annotation is: (= 16 ULTIMATE.start_ensure_string_is_allocated_bounded_length_~max_size) [2021-10-28 23:57:26,905 INFO L853 garLoopResultBuilder]: At program point L266-1(line 266) the Hoare annotation is: false [2021-10-28 23:57:26,909 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:57:26,911 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-28 23:57:26,924 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-28 23:57:26,925 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~aws_common_error~0~AWS_ERROR_INVALID_BASE64_STR [2021-10-28 23:57:26,931 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-28 23:57:26,931 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~aws_common_error~0~AWS_ERROR_INVALID_BASE64_STR [2021-10-28 23:57:26,936 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-28 23:57:26,936 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~aws_common_error~0~AWS_ERROR_INVALID_BASE64_STR [2021-10-28 23:57:26,937 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-28 23:57:26,937 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~aws_common_error~0~AWS_ERROR_INVALID_BASE64_STR [2021-10-28 23:57:26,941 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-28 23:57:26,942 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~aws_common_error~0~AWS_ERROR_INVALID_BASE64_STR [2021-10-28 23:57:26,943 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-28 23:57:26,943 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~aws_common_error~0~AWS_ERROR_INVALID_BASE64_STR [2021-10-28 23:57:26,947 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-28 23:57:26,947 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~aws_common_error~0~AWS_ERROR_INVALID_BASE64_STR [2021-10-28 23:57:26,947 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-10-28 23:57:26,948 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~aws_common_error~0~AWS_ERROR_INVALID_BASE64_STR [2021-10-28 23:57:26,949 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-28 23:57:26,949 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~aws_common_error~0~AWS_ERROR_INVALID_BASE64_STR [2021-10-28 23:57:26,949 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-10-28 23:57:26,950 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~aws_common_error~0~AWS_ERROR_INVALID_BASE64_STR [2021-10-28 23:57:26,951 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-28 23:57:26,952 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~aws_common_error~0~AWS_ERROR_INVALID_BASE64_STR [2021-10-28 23:57:26,953 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-28 23:57:26,953 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~aws_common_error~0~AWS_ERROR_INVALID_BASE64_STR [2021-10-28 23:57:26,956 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-28 23:57:26,956 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~aws_common_error~0~AWS_ERROR_INVALID_BASE64_STR [2021-10-28 23:57:26,957 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-28 23:57:26,957 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~aws_common_error~0~AWS_ERROR_INVALID_BASE64_STR [2021-10-28 23:57:26,960 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-28 23:57:26,960 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~aws_common_error~0~AWS_ERROR_INVALID_BASE64_STR [2021-10-28 23:57:26,961 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~aws_common_error~0~AWS_ERROR_INVALID_BASE64_STR [2021-10-28 23:57:26,961 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-28 23:57:26,962 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~aws_common_error~0~AWS_ERROR_INVALID_BASE64_STR [2021-10-28 23:57:26,964 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-28 23:57:26,964 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~aws_common_error~0~AWS_ERROR_INVALID_BASE64_STR [2021-10-28 23:57:26,965 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~aws_common_error~0~AWS_ERROR_INVALID_BASE64_STR [2021-10-28 23:57:26,965 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-28 23:57:26,966 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~aws_common_error~0~AWS_ERROR_INVALID_BASE64_STR [2021-10-28 23:57:26,968 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-28 23:57:26,969 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~aws_common_error~0~AWS_ERROR_INVALID_BASE64_STR [2021-10-28 23:57:26,970 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-28 23:57:26,971 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~aws_common_error~0~AWS_ERROR_INVALID_BASE64_STR [2021-10-28 23:57:26,972 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-28 23:57:26,973 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~aws_common_error~0~AWS_ERROR_INVALID_BASE64_STR [2021-10-28 23:57:26,973 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-28 23:57:26,974 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~aws_common_error~0~AWS_ERROR_INVALID_BASE64_STR [2021-10-28 23:57:26,976 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-28 23:57:26,976 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~aws_common_error~0~AWS_ERROR_INVALID_BASE64_STR [2021-10-28 23:57:26,977 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-28 23:57:26,977 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~aws_common_error~0~AWS_ERROR_INVALID_BASE64_STR [2021-10-28 23:57:26,979 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-28 23:57:26,979 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~aws_common_error~0~AWS_ERROR_INVALID_BASE64_STR [2021-10-28 23:57:26,980 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-10-28 23:57:26,980 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~aws_common_error~0~AWS_ERROR_INVALID_BASE64_STR [2021-10-28 23:57:26,981 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-28 23:57:26,981 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~aws_common_error~0~AWS_ERROR_INVALID_BASE64_STR [2021-10-28 23:57:26,981 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-10-28 23:57:26,982 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~aws_common_error~0~AWS_ERROR_INVALID_BASE64_STR [2021-10-28 23:57:26,983 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 11:57:26 BoogieIcfgContainer [2021-10-28 23:57:26,983 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-28 23:57:26,984 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 23:57:26,984 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 23:57:26,984 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 23:57:26,985 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:56:13" (3/4) ... [2021-10-28 23:57:26,988 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-28 23:57:27,019 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 136 nodes and edges [2021-10-28 23:57:27,022 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 56 nodes and edges [2021-10-28 23:57:27,024 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 27 nodes and edges [2021-10-28 23:57:27,027 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2021-10-28 23:57:27,030 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2021-10-28 23:57:27,032 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2021-10-28 23:57:27,035 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-28 23:57:27,037 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-28 23:57:27,079 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((str == 0 && !(\result == 0)) && !(cursor == 0)) && str == 0) && #memory_$Pointer$[cursor][~aws_common_error~0~AWS_ERROR_INVALID_BASE64_STR] == 0) && cursor == cursor) && #memory_$Pointer$[cursor][~aws_common_error~0~AWS_ERROR_INVALID_BASE64_STR] == 0) && size == unknown-#memory_int-unknown[cursor][cursor]) && cursor == cursor) && cursor == 0 [2021-10-28 23:57:27,079 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((cursor == cursor && \result <= 1) && str == 0) && !(\result == 0)) && !(cursor == 0)) && str == 0) && 1 <= \result) && 1 <= unknown-#memory_int-unknown[cursor][cursor]) && cursor == cursor) && size == unknown-#memory_int-unknown[cursor][cursor]) && cursor == cursor) && !(#memory_$Pointer$[cursor][~aws_common_error~0~AWS_ERROR_INVALID_BASE64_STR] == 0)) && cursor == cursor) && cursor == 0) || ((((cursor == cursor && !(cursor == 0)) && 0 <= \result) && \result <= 0) && cursor == cursor)) || (((((cursor == cursor && str == 0) && !(cursor == 0)) && str == 0) && unknown-#memory_int-unknown[cursor][cursor] == 0) && cursor == cursor) [2021-10-28 23:57:27,080 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((cursor == cursor && \result <= 1) && str == 0) && !(\result == 0)) && !(cursor == 0)) && str == 0) && 1 <= \result) && 1 <= unknown-#memory_int-unknown[cursor][cursor]) && cursor == cursor) && size == unknown-#memory_int-unknown[cursor][cursor]) && cursor == cursor) && !(#memory_$Pointer$[cursor][~aws_common_error~0~AWS_ERROR_INVALID_BASE64_STR] == 0)) && cursor == cursor) && cursor == 0) || (((((cursor == cursor && str == 0) && !(cursor == 0)) && str == 0) && unknown-#memory_int-unknown[cursor][cursor] == 0) && cursor == cursor) [2021-10-28 23:57:27,081 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((((cursor == cursor && \result <= 1) && str == 0) && !(\result == 0)) && !(cursor == 0)) && str == 0) && !aux-!str || aws_string_is_valid(str)-aux) && 1 <= \result) && 1 <= unknown-#memory_int-unknown[cursor][cursor]) && cursor == cursor) && size == unknown-#memory_int-unknown[cursor][cursor]) && cursor == cursor) && !(#memory_$Pointer$[cursor][~aws_common_error~0~AWS_ERROR_INVALID_BASE64_STR] == 0)) && cursor == cursor) && cursor == 0) || ((((cur == 0 && nondet_parameter ? &cursor : ((void *)0) == 0) && cur == 0) && nondet_parameter ? &cursor : ((void *)0) == 0) && ((((((((((((((((((!(str == 0) && cursor == cursor) && \result <= 1) && !(\result == 0)) && !(cursor == 0)) && !aux-!str || aws_string_is_valid(str)-aux) && 1 <= \result) && !(\result == 0)) && !(\result == 0)) && 1 <= unknown-#memory_int-unknown[cursor][cursor]) && !(str == 0)) && !(str == 0)) && cursor == cursor) && size == unknown-#memory_int-unknown[cursor][cursor]) && cursor == cursor) && !(#memory_$Pointer$[cursor][~aws_common_error~0~AWS_ERROR_INVALID_BASE64_STR] == 0)) && cursor == cursor) && cursor == 0) || (((((((((((((((!(str == 0) && cursor == cursor) && \result <= 1) && !(\result == 0)) && !(cursor == 0)) && !aux-!str || aws_string_is_valid(str)-aux) && unknown-#memory_int-unknown[cursor][cursor] == 0) && 1 <= \result) && !(\result == 0)) && !(\result == 0)) && !(str == 0)) && !(str == 0)) && cursor == cursor) && cursor == cursor) && cursor == cursor) && cursor == 0)))) || (((((cursor == cursor && str == 0) && !(cursor == 0)) && str == 0) && unknown-#memory_int-unknown[cursor][cursor] == 0) && cursor == cursor) [2021-10-28 23:57:27,081 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == 0 && (((((((((((((!(str == 0) && !(\result == 0)) && !(cursor == 0)) && 1 <= unknown-#memory_int-unknown[cursor][cursor]) && !(\result == 0)) && !(\result == 0)) && !(str == 0)) && !(str == 0)) && cursor == cursor) && size == unknown-#memory_int-unknown[cursor][cursor]) && !(#memory_$Pointer$[cursor][~aws_common_error~0~AWS_ERROR_INVALID_BASE64_STR] == 0)) && cursor == cursor) && cursor == 0) || ((((((((((!(str == 0) && !(\result == 0)) && !(cursor == 0)) && 8 + cursor == ~aws_common_error~0~AWS_ERROR_INVALID_BASE64_STR) && unknown-#memory_int-unknown[cursor][cursor] == 0) && !(\result == 0)) && !(\result == 0)) && !(str == 0)) && !(str == 0)) && cursor == cursor) && cursor == 0))) || (((((((((str == 0 && !(\result == 0)) && !(cursor == 0)) && str == 0) && 1 <= unknown-#memory_int-unknown[cursor][cursor]) && cursor == cursor) && size == unknown-#memory_int-unknown[cursor][cursor]) && !(#memory_$Pointer$[cursor][~aws_common_error~0~AWS_ERROR_INVALID_BASE64_STR] == 0)) && cursor == cursor) && cursor == 0)) || (((str == 0 && !(cursor == 0)) && str == 0) && unknown-#memory_int-unknown[cursor][cursor] == 0) [2021-10-28 23:57:27,082 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((str == 0 && !(\result == 0)) && !(cursor == 0)) && str == 0) && 1 <= unknown-#memory_int-unknown[cursor][cursor]) && cursor == cursor) && size == unknown-#memory_int-unknown[cursor][cursor]) && !(#memory_$Pointer$[cursor][~aws_common_error~0~AWS_ERROR_INVALID_BASE64_STR] == 0)) && cursor == cursor) && cursor == 0) || ((((((((((cur == 0 && !(\result == 0)) && !(cursor == 0)) && nondet_parameter ? &cursor : ((void *)0) == 0) && cur == 0) && !(\result == 0)) && nondet_parameter ? &cursor : ((void *)0) == 0) && ((((((!(str == 0) && unknown-#memory_int-unknown[cursor][cursor] == 0) && !(str == 0)) && cursor == cursor) && cursor == cursor) && cursor == 0) || (((((((!(str == 0) && 1 <= unknown-#memory_int-unknown[cursor][cursor]) && !(str == 0)) && cursor == cursor) && size == unknown-#memory_int-unknown[cursor][cursor]) && !(#memory_$Pointer$[cursor][~aws_common_error~0~AWS_ERROR_INVALID_BASE64_STR] == 0)) && cursor == cursor) && cursor == 0))) && !(\result == 0)) && !aux-!cur || aws_byte_cursor_is_valid(cur)-aux) && !(str == 0))) || (((str == 0 && !(cursor == 0)) && str == 0) && unknown-#memory_int-unknown[cursor][cursor] == 0) [2021-10-28 23:57:27,082 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((str == 0 && !(\result == 0)) && !(cursor == 0)) && str == 0) && 1 <= unknown-#memory_int-unknown[cursor][cursor]) && cursor == cursor) && size == unknown-#memory_int-unknown[cursor][cursor]) && !(#memory_$Pointer$[cursor][~aws_common_error~0~AWS_ERROR_INVALID_BASE64_STR] == 0)) && cursor == cursor) && cursor == 0) || (((str == 0 && !(cursor == 0)) && str == 0) && unknown-#memory_int-unknown[cursor][cursor] == 0)) || ((((!(cur == 0) && ((((((((((!(str == 0) && !(\result == 0)) && unknown-#memory_int-unknown[cursor][cursor] == 0) && !(\result == 0)) && !(\result == 0)) && !(str == 0)) && !(str == 0)) && cursor == cursor) && cursor == cursor) && cursor == 0) || (((((((((((!(str == 0) && !(\result == 0)) && 1 <= unknown-#memory_int-unknown[cursor][cursor]) && !(\result == 0)) && !(\result == 0)) && !(str == 0)) && !(str == 0)) && cursor == cursor) && size == unknown-#memory_int-unknown[cursor][cursor]) && !(#memory_$Pointer$[cursor][~aws_common_error~0~AWS_ERROR_INVALID_BASE64_STR] == 0)) && cursor == cursor) && cursor == 0))) && \result == 0) && !(nondet_parameter ? &cursor : ((void *)0) == 0)) && !(cursor == 0)) [2021-10-28 23:57:27,083 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\result <= 1 && !(cursor == 0)) && 1 <= \result [2021-10-28 23:57:28,060 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e9cb182-9b2d-4389-b13b-f591ce7f49b0/bin/uautomizer-GMMbpWq8iD/witness.graphml [2021-10-28 23:57:28,061 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 23:57:28,063 INFO L168 Benchmark]: Toolchain (without parser) took 92340.40 ms. Allocated memory was 107.0 MB in the beginning and 471.9 MB in the end (delta: 364.9 MB). Free memory was 69.6 MB in the beginning and 390.9 MB in the end (delta: -321.3 MB). Peak memory consumption was 326.4 MB. Max. memory is 16.1 GB. [2021-10-28 23:57:28,063 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 81.8 MB. Free memory was 48.8 MB in the beginning and 48.7 MB in the end (delta: 63.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 23:57:28,064 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3691.73 ms. Allocated memory was 107.0 MB in the beginning and 153.1 MB in the end (delta: 46.1 MB). Free memory was 69.4 MB in the beginning and 92.4 MB in the end (delta: -23.0 MB). Peak memory consumption was 66.5 MB. Max. memory is 16.1 GB. [2021-10-28 23:57:28,064 INFO L168 Benchmark]: Boogie Procedure Inliner took 307.48 ms. Allocated memory is still 153.1 MB. Free memory was 92.4 MB in the beginning and 79.9 MB in the end (delta: 12.4 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-28 23:57:28,065 INFO L168 Benchmark]: Boogie Preprocessor took 138.77 ms. Allocated memory is still 153.1 MB. Free memory was 79.9 MB in the beginning and 71.5 MB in the end (delta: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-28 23:57:28,066 INFO L168 Benchmark]: RCFGBuilder took 13292.43 ms. Allocated memory was 153.1 MB in the beginning and 392.2 MB in the end (delta: 239.1 MB). Free memory was 71.5 MB in the beginning and 235.9 MB in the end (delta: -164.3 MB). Peak memory consumption was 216.9 MB. Max. memory is 16.1 GB. [2021-10-28 23:57:28,066 INFO L168 Benchmark]: TraceAbstraction took 73822.18 ms. Allocated memory was 392.2 MB in the beginning and 471.9 MB in the end (delta: 79.7 MB). Free memory was 235.9 MB in the beginning and 376.0 MB in the end (delta: -140.1 MB). Peak memory consumption was 188.0 MB. Max. memory is 16.1 GB. [2021-10-28 23:57:28,067 INFO L168 Benchmark]: Witness Printer took 1077.11 ms. Allocated memory is still 471.9 MB. Free memory was 376.0 MB in the beginning and 390.9 MB in the end (delta: -14.9 MB). Peak memory consumption was 267.1 MB. Max. memory is 16.1 GB. [2021-10-28 23:57:28,069 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 81.8 MB. Free memory was 48.8 MB in the beginning and 48.7 MB in the end (delta: 63.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 3691.73 ms. Allocated memory was 107.0 MB in the beginning and 153.1 MB in the end (delta: 46.1 MB). Free memory was 69.4 MB in the beginning and 92.4 MB in the end (delta: -23.0 MB). Peak memory consumption was 66.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 307.48 ms. Allocated memory is still 153.1 MB. Free memory was 92.4 MB in the beginning and 79.9 MB in the end (delta: 12.4 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 138.77 ms. Allocated memory is still 153.1 MB. Free memory was 79.9 MB in the beginning and 71.5 MB in the end (delta: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * RCFGBuilder took 13292.43 ms. Allocated memory was 153.1 MB in the beginning and 392.2 MB in the end (delta: 239.1 MB). Free memory was 71.5 MB in the beginning and 235.9 MB in the end (delta: -164.3 MB). Peak memory consumption was 216.9 MB. Max. memory is 16.1 GB. * TraceAbstraction took 73822.18 ms. Allocated memory was 392.2 MB in the beginning and 471.9 MB in the end (delta: 79.7 MB). Free memory was 235.9 MB in the beginning and 376.0 MB in the end (delta: -140.1 MB). Peak memory consumption was 188.0 MB. Max. memory is 16.1 GB. * Witness Printer took 1077.11 ms. Allocated memory is still 471.9 MB. Free memory was 376.0 MB in the beginning and 390.9 MB in the end (delta: -14.9 MB). Peak memory consumption was 267.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~aws_common_error~0~AWS_ERROR_INVALID_BASE64_STR - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~aws_common_error~0~AWS_ERROR_INVALID_BASE64_STR - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~aws_common_error~0~AWS_ERROR_INVALID_BASE64_STR - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~aws_common_error~0~AWS_ERROR_INVALID_BASE64_STR - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~aws_common_error~0~AWS_ERROR_INVALID_BASE64_STR - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~aws_common_error~0~AWS_ERROR_INVALID_BASE64_STR - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~aws_common_error~0~AWS_ERROR_INVALID_BASE64_STR - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~aws_common_error~0~AWS_ERROR_INVALID_BASE64_STR - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~aws_common_error~0~AWS_ERROR_INVALID_BASE64_STR - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~aws_common_error~0~AWS_ERROR_INVALID_BASE64_STR - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~aws_common_error~0~AWS_ERROR_INVALID_BASE64_STR - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~aws_common_error~0~AWS_ERROR_INVALID_BASE64_STR - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~aws_common_error~0~AWS_ERROR_INVALID_BASE64_STR - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~aws_common_error~0~AWS_ERROR_INVALID_BASE64_STR - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~aws_common_error~0~AWS_ERROR_INVALID_BASE64_STR - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~aws_common_error~0~AWS_ERROR_INVALID_BASE64_STR - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~aws_common_error~0~AWS_ERROR_INVALID_BASE64_STR - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~aws_common_error~0~AWS_ERROR_INVALID_BASE64_STR - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~aws_common_error~0~AWS_ERROR_INVALID_BASE64_STR - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~aws_common_error~0~AWS_ERROR_INVALID_BASE64_STR - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~aws_common_error~0~AWS_ERROR_INVALID_BASE64_STR - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~aws_common_error~0~AWS_ERROR_INVALID_BASE64_STR - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~aws_common_error~0~AWS_ERROR_INVALID_BASE64_STR - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~aws_common_error~0~AWS_ERROR_INVALID_BASE64_STR - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~aws_common_error~0~AWS_ERROR_INVALID_BASE64_STR - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~aws_common_error~0~AWS_ERROR_INVALID_BASE64_STR - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~aws_common_error~0~AWS_ERROR_INVALID_BASE64_STR - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~aws_common_error~0~AWS_ERROR_INVALID_BASE64_STR - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~aws_common_error~0~AWS_ERROR_INVALID_BASE64_STR - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~aws_common_error~0~AWS_ERROR_INVALID_BASE64_STR * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 223]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 223]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 223]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 223]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 223]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 121 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 73.6s, OverallIterations: 22, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 46.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 5.8s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 3217 SDtfs, 5925 SDslu, 10305 SDs, 0 SdLazy, 1887 SolverSat, 176 SolverUnsat, 16 SolverUnknown, 0 SolverNotchecked, 38.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 238 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 181 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 163 ImplicationChecksByTransitivity, 7.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=486occurred in iteration=12, InterpolantAutomatonStates: 162, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 22 MinimizatonAttempts, 1769 StatesRemovedByMinimization, 16 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 19 LocationsWithAnnotation, 19 PreInvPairs, 57 NumberOfFragments, 1039 HoareAnnotationTreeSize, 19 FomulaSimplifications, 697913 FormulaSimplificationTreeSizeReduction, 0.5s HoareSimplificationTime, 19 FomulaSimplificationsInter, 29904 FormulaSimplificationTreeSizeReductionInter, 5.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.5s SsaConstructionTime, 11.2s SatisfiabilityAnalysisTime, 8.4s InterpolantComputationTime, 1088 NumberOfCodeBlocks, 1088 NumberOfCodeBlocksAsserted, 22 NumberOfCheckSat, 1066 ConstructedInterpolants, 0 QuantifiedInterpolants, 3149 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 22 InterpolantComputations, 22 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 5 specifications checked. All of them hold - InvariantResult [Line: 6806]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 9562]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6882]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 7368]: Loop Invariant [2021-10-28 23:57:28,086 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-28 23:57:28,086 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~aws_common_error~0~AWS_ERROR_INVALID_BASE64_STR [2021-10-28 23:57:28,088 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-28 23:57:28,088 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~aws_common_error~0~AWS_ERROR_INVALID_BASE64_STR Derived loop invariant: ((((((((((((((cursor == cursor && \result <= 1) && str == 0) && !(\result == 0)) && !(cursor == 0)) && str == 0) && 1 <= \result) && 1 <= unknown-#memory_int-unknown[cursor][cursor]) && cursor == cursor) && size == unknown-#memory_int-unknown[cursor][cursor]) && cursor == cursor) && !(#memory_$Pointer$[cursor][~aws_common_error~0~AWS_ERROR_INVALID_BASE64_STR] == 0)) && cursor == cursor) && cursor == 0) || ((((cursor == cursor && !(cursor == 0)) && 0 <= \result) && \result <= 0) && cursor == cursor)) || (((((cursor == cursor && str == 0) && !(cursor == 0)) && str == 0) && unknown-#memory_int-unknown[cursor][cursor] == 0) && cursor == cursor) - InvariantResult [Line: 6252]: Loop Invariant [2021-10-28 23:57:28,089 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-28 23:57:28,089 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~aws_common_error~0~AWS_ERROR_INVALID_BASE64_STR [2021-10-28 23:57:28,090 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-28 23:57:28,090 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~aws_common_error~0~AWS_ERROR_INVALID_BASE64_STR [2021-10-28 23:57:28,092 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-28 23:57:28,092 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~aws_common_error~0~AWS_ERROR_INVALID_BASE64_STR [2021-10-28 23:57:28,093 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-28 23:57:28,093 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~aws_common_error~0~AWS_ERROR_INVALID_BASE64_STR Derived loop invariant: (((((((((((((((cursor == cursor && \result <= 1) && str == 0) && !(\result == 0)) && !(cursor == 0)) && str == 0) && !aux-!str || aws_string_is_valid(str)-aux) && 1 <= \result) && 1 <= unknown-#memory_int-unknown[cursor][cursor]) && cursor == cursor) && size == unknown-#memory_int-unknown[cursor][cursor]) && cursor == cursor) && !(#memory_$Pointer$[cursor][~aws_common_error~0~AWS_ERROR_INVALID_BASE64_STR] == 0)) && cursor == cursor) && cursor == 0) || ((((cur == 0 && nondet_parameter ? &cursor : ((void *)0) == 0) && cur == 0) && nondet_parameter ? &cursor : ((void *)0) == 0) && ((((((((((((((((((!(str == 0) && cursor == cursor) && \result <= 1) && !(\result == 0)) && !(cursor == 0)) && !aux-!str || aws_string_is_valid(str)-aux) && 1 <= \result) && !(\result == 0)) && !(\result == 0)) && 1 <= unknown-#memory_int-unknown[cursor][cursor]) && !(str == 0)) && !(str == 0)) && cursor == cursor) && size == unknown-#memory_int-unknown[cursor][cursor]) && cursor == cursor) && !(#memory_$Pointer$[cursor][~aws_common_error~0~AWS_ERROR_INVALID_BASE64_STR] == 0)) && cursor == cursor) && cursor == 0) || (((((((((((((((!(str == 0) && cursor == cursor) && \result <= 1) && !(\result == 0)) && !(cursor == 0)) && !aux-!str || aws_string_is_valid(str)-aux) && unknown-#memory_int-unknown[cursor][cursor] == 0) && 1 <= \result) && !(\result == 0)) && !(\result == 0)) && !(str == 0)) && !(str == 0)) && cursor == cursor) && cursor == cursor) && cursor == cursor) && cursor == 0)))) || (((((cursor == cursor && str == 0) && !(cursor == 0)) && str == 0) && unknown-#memory_int-unknown[cursor][cursor] == 0) && cursor == cursor) - InvariantResult [Line: 6252]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 6800]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 6882]: Loop Invariant [2021-10-28 23:57:28,095 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-28 23:57:28,096 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~aws_common_error~0~AWS_ERROR_INVALID_BASE64_STR [2021-10-28 23:57:28,096 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-10-28 23:57:28,096 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~aws_common_error~0~AWS_ERROR_INVALID_BASE64_STR [2021-10-28 23:57:28,097 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-28 23:57:28,097 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~aws_common_error~0~AWS_ERROR_INVALID_BASE64_STR [2021-10-28 23:57:28,097 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-10-28 23:57:28,097 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~aws_common_error~0~AWS_ERROR_INVALID_BASE64_STR Derived loop invariant: ((((((((str == 0 && !(\result == 0)) && !(cursor == 0)) && str == 0) && #memory_$Pointer$[cursor][~aws_common_error~0~AWS_ERROR_INVALID_BASE64_STR] == 0) && cursor == cursor) && #memory_$Pointer$[cursor][~aws_common_error~0~AWS_ERROR_INVALID_BASE64_STR] == 0) && size == unknown-#memory_int-unknown[cursor][cursor]) && cursor == cursor) && cursor == 0 - InvariantResult [Line: 261]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 266]: Loop Invariant Derived loop invariant: 16 == max_size - InvariantResult [Line: 7684]: Loop Invariant [2021-10-28 23:57:28,099 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-28 23:57:28,099 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~aws_common_error~0~AWS_ERROR_INVALID_BASE64_STR [2021-10-28 23:57:28,099 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-28 23:57:28,100 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~aws_common_error~0~AWS_ERROR_INVALID_BASE64_STR [2021-10-28 23:57:28,101 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-28 23:57:28,101 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~aws_common_error~0~AWS_ERROR_INVALID_BASE64_STR [2021-10-28 23:57:28,101 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-28 23:57:28,102 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~aws_common_error~0~AWS_ERROR_INVALID_BASE64_STR Derived loop invariant: ((((((((((str == 0 && !(\result == 0)) && !(cursor == 0)) && str == 0) && 1 <= unknown-#memory_int-unknown[cursor][cursor]) && cursor == cursor) && size == unknown-#memory_int-unknown[cursor][cursor]) && !(#memory_$Pointer$[cursor][~aws_common_error~0~AWS_ERROR_INVALID_BASE64_STR] == 0)) && cursor == cursor) && cursor == 0) || (((str == 0 && !(cursor == 0)) && str == 0) && unknown-#memory_int-unknown[cursor][cursor] == 0)) || ((((!(cur == 0) && ((((((((((!(str == 0) && !(\result == 0)) && unknown-#memory_int-unknown[cursor][cursor] == 0) && !(\result == 0)) && !(\result == 0)) && !(str == 0)) && !(str == 0)) && cursor == cursor) && cursor == cursor) && cursor == 0) || (((((((((((!(str == 0) && !(\result == 0)) && 1 <= unknown-#memory_int-unknown[cursor][cursor]) && !(\result == 0)) && !(\result == 0)) && !(str == 0)) && !(str == 0)) && cursor == cursor) && size == unknown-#memory_int-unknown[cursor][cursor]) && !(#memory_$Pointer$[cursor][~aws_common_error~0~AWS_ERROR_INVALID_BASE64_STR] == 0)) && cursor == cursor) && cursor == 0))) && \result == 0) && !(nondet_parameter ? &cursor : ((void *)0) == 0)) && !(cursor == 0)) - InvariantResult [Line: 9327]: Loop Invariant [2021-10-28 23:57:28,103 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-28 23:57:28,103 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~aws_common_error~0~AWS_ERROR_INVALID_BASE64_STR [2021-10-28 23:57:28,104 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~aws_common_error~0~AWS_ERROR_INVALID_BASE64_STR [2021-10-28 23:57:28,104 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-28 23:57:28,104 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~aws_common_error~0~AWS_ERROR_INVALID_BASE64_STR [2021-10-28 23:57:28,105 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-28 23:57:28,106 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~aws_common_error~0~AWS_ERROR_INVALID_BASE64_STR [2021-10-28 23:57:28,106 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~aws_common_error~0~AWS_ERROR_INVALID_BASE64_STR [2021-10-28 23:57:28,106 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-28 23:57:28,106 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~aws_common_error~0~AWS_ERROR_INVALID_BASE64_STR Derived loop invariant: ((\result == 0 && (((((((((((((!(str == 0) && !(\result == 0)) && !(cursor == 0)) && 1 <= unknown-#memory_int-unknown[cursor][cursor]) && !(\result == 0)) && !(\result == 0)) && !(str == 0)) && !(str == 0)) && cursor == cursor) && size == unknown-#memory_int-unknown[cursor][cursor]) && !(#memory_$Pointer$[cursor][~aws_common_error~0~AWS_ERROR_INVALID_BASE64_STR] == 0)) && cursor == cursor) && cursor == 0) || ((((((((((!(str == 0) && !(\result == 0)) && !(cursor == 0)) && 8 + cursor == ~aws_common_error~0~AWS_ERROR_INVALID_BASE64_STR) && unknown-#memory_int-unknown[cursor][cursor] == 0) && !(\result == 0)) && !(\result == 0)) && !(str == 0)) && !(str == 0)) && cursor == cursor) && cursor == 0))) || (((((((((str == 0 && !(\result == 0)) && !(cursor == 0)) && str == 0) && 1 <= unknown-#memory_int-unknown[cursor][cursor]) && cursor == cursor) && size == unknown-#memory_int-unknown[cursor][cursor]) && !(#memory_$Pointer$[cursor][~aws_common_error~0~AWS_ERROR_INVALID_BASE64_STR] == 0)) && cursor == cursor) && cursor == 0)) || (((str == 0 && !(cursor == 0)) && str == 0) && unknown-#memory_int-unknown[cursor][cursor] == 0) - InvariantResult [Line: 266]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 6889]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 261]: Loop Invariant [2021-10-28 23:57:28,108 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-28 23:57:28,108 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~aws_common_error~0~AWS_ERROR_INVALID_BASE64_STR [2021-10-28 23:57:28,109 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-28 23:57:28,109 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~aws_common_error~0~AWS_ERROR_INVALID_BASE64_STR Derived loop invariant: (((((((((((((cursor == cursor && \result <= 1) && str == 0) && !(\result == 0)) && !(cursor == 0)) && str == 0) && 1 <= \result) && 1 <= unknown-#memory_int-unknown[cursor][cursor]) && cursor == cursor) && size == unknown-#memory_int-unknown[cursor][cursor]) && cursor == cursor) && !(#memory_$Pointer$[cursor][~aws_common_error~0~AWS_ERROR_INVALID_BASE64_STR] == 0)) && cursor == cursor) && cursor == 0) || (((((cursor == cursor && str == 0) && !(cursor == 0)) && str == 0) && unknown-#memory_int-unknown[cursor][cursor] == 0) && cursor == cursor) - InvariantResult [Line: 7368]: Loop Invariant [2021-10-28 23:57:28,110 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-28 23:57:28,110 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~aws_common_error~0~AWS_ERROR_INVALID_BASE64_STR [2021-10-28 23:57:28,111 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-28 23:57:28,111 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~aws_common_error~0~AWS_ERROR_INVALID_BASE64_STR [2021-10-28 23:57:28,112 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-28 23:57:28,112 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~aws_common_error~0~AWS_ERROR_INVALID_BASE64_STR [2021-10-28 23:57:28,112 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-28 23:57:28,113 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~aws_common_error~0~AWS_ERROR_INVALID_BASE64_STR Derived loop invariant: ((((((((((str == 0 && !(\result == 0)) && !(cursor == 0)) && str == 0) && 1 <= unknown-#memory_int-unknown[cursor][cursor]) && cursor == cursor) && size == unknown-#memory_int-unknown[cursor][cursor]) && !(#memory_$Pointer$[cursor][~aws_common_error~0~AWS_ERROR_INVALID_BASE64_STR] == 0)) && cursor == cursor) && cursor == 0) || ((((((((((cur == 0 && !(\result == 0)) && !(cursor == 0)) && nondet_parameter ? &cursor : ((void *)0) == 0) && cur == 0) && !(\result == 0)) && nondet_parameter ? &cursor : ((void *)0) == 0) && ((((((!(str == 0) && unknown-#memory_int-unknown[cursor][cursor] == 0) && !(str == 0)) && cursor == cursor) && cursor == cursor) && cursor == 0) || (((((((!(str == 0) && 1 <= unknown-#memory_int-unknown[cursor][cursor]) && !(str == 0)) && cursor == cursor) && size == unknown-#memory_int-unknown[cursor][cursor]) && !(#memory_$Pointer$[cursor][~aws_common_error~0~AWS_ERROR_INVALID_BASE64_STR] == 0)) && cursor == cursor) && cursor == 0))) && !(\result == 0)) && !aux-!cur || aws_byte_cursor_is_valid(cur)-aux) && !(str == 0))) || (((str == 0 && !(cursor == 0)) && str == 0) && unknown-#memory_int-unknown[cursor][cursor] == 0) - InvariantResult [Line: 261]: Loop Invariant [2021-10-28 23:57:28,114 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-28 23:57:28,114 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~aws_common_error~0~AWS_ERROR_INVALID_BASE64_STR [2021-10-28 23:57:28,114 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-10-28 23:57:28,115 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~aws_common_error~0~AWS_ERROR_INVALID_BASE64_STR [2021-10-28 23:57:28,115 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-28 23:57:28,115 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~aws_common_error~0~AWS_ERROR_INVALID_BASE64_STR [2021-10-28 23:57:28,116 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-10-28 23:57:28,116 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~aws_common_error~0~AWS_ERROR_INVALID_BASE64_STR Derived loop invariant: ((((((str == 0 && !(cursor == 0)) && str == 0) && #memory_$Pointer$[cursor][~aws_common_error~0~AWS_ERROR_INVALID_BASE64_STR] == 0) && cursor == cursor) && #memory_$Pointer$[cursor][~aws_common_error~0~AWS_ERROR_INVALID_BASE64_STR] == 0) && cursor == cursor) && cursor == 0 - InvariantResult [Line: 261]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7368]: Loop Invariant Derived loop invariant: (\result <= 1 && !(cursor == 0)) && 1 <= \result RESULT: Ultimate proved your program to be correct! [2021-10-28 23:57:28,198 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e9cb182-9b2d-4389-b13b-f591ce7f49b0/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...