./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_byte_buf_clean_up_secure_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dff6b21e-1657-47d9-9806-5d4ff0350ea9/bin/uautomizer-w2VwFs6gM0/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dff6b21e-1657-47d9-9806-5d4ff0350ea9/bin/uautomizer-w2VwFs6gM0/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dff6b21e-1657-47d9-9806-5d4ff0350ea9/bin/uautomizer-w2VwFs6gM0/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dff6b21e-1657-47d9-9806-5d4ff0350ea9/bin/uautomizer-w2VwFs6gM0/config/AutomizerReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_byte_buf_clean_up_secure_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dff6b21e-1657-47d9-9806-5d4ff0350ea9/bin/uautomizer-w2VwFs6gM0/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dff6b21e-1657-47d9-9806-5d4ff0350ea9/bin/uautomizer-w2VwFs6gM0 --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 e401a4e4197b43467958a92870f8195ba22195c146137fa78352c627ea2eeb40 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-22 14:34:58,616 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-22 14:34:58,618 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-22 14:34:58,648 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-22 14:34:58,649 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-22 14:34:58,650 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-22 14:34:58,652 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-22 14:34:58,654 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-22 14:34:58,656 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-22 14:34:58,657 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-22 14:34:58,658 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-22 14:34:58,660 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-22 14:34:58,660 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-22 14:34:58,662 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-22 14:34:58,663 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-22 14:34:58,665 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-22 14:34:58,666 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-22 14:34:58,667 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-22 14:34:58,669 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-22 14:34:58,672 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-22 14:34:58,674 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-22 14:34:58,675 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-22 14:34:58,677 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-22 14:34:58,678 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-22 14:34:58,682 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-22 14:34:58,682 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-22 14:34:58,683 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-22 14:34:58,684 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-22 14:34:58,684 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-22 14:34:58,686 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-22 14:34:58,686 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-22 14:34:58,687 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-22 14:34:58,688 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-22 14:34:58,689 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-22 14:34:58,690 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-22 14:34:58,691 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-22 14:34:58,692 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-22 14:34:58,692 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-22 14:34:58,693 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-22 14:34:58,694 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-22 14:34:58,696 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-22 14:34:58,697 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dff6b21e-1657-47d9-9806-5d4ff0350ea9/bin/uautomizer-w2VwFs6gM0/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-22 14:34:58,744 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-22 14:34:58,744 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-22 14:34:58,745 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-22 14:34:58,745 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-22 14:34:58,749 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-22 14:34:58,750 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-22 14:34:58,750 INFO L138 SettingsManager]: * Use SBE=true [2021-11-22 14:34:58,750 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-22 14:34:58,750 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-22 14:34:58,750 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-22 14:34:58,751 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-22 14:34:58,751 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-22 14:34:58,751 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-22 14:34:58,751 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-22 14:34:58,751 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-22 14:34:58,752 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-22 14:34:58,752 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-22 14:34:58,752 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-22 14:34:58,752 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-22 14:34:58,752 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-22 14:34:58,753 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-22 14:34:58,753 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-22 14:34:58,753 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-22 14:34:58,753 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-22 14:34:58,753 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-22 14:34:58,754 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-22 14:34:58,754 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-22 14:34:58,754 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-22 14:34:58,754 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-22 14:34:58,754 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_dff6b21e-1657-47d9-9806-5d4ff0350ea9/bin/uautomizer-w2VwFs6gM0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dff6b21e-1657-47d9-9806-5d4ff0350ea9/bin/uautomizer-w2VwFs6gM0 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e401a4e4197b43467958a92870f8195ba22195c146137fa78352c627ea2eeb40 [2021-11-22 14:34:59,023 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-22 14:34:59,044 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-22 14:34:59,047 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-22 14:34:59,048 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-22 14:34:59,049 INFO L275 PluginConnector]: CDTParser initialized [2021-11-22 14:34:59,051 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dff6b21e-1657-47d9-9806-5d4ff0350ea9/bin/uautomizer-w2VwFs6gM0/../../sv-benchmarks/c/aws-c-common/aws_byte_buf_clean_up_secure_harness.i [2021-11-22 14:34:59,111 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dff6b21e-1657-47d9-9806-5d4ff0350ea9/bin/uautomizer-w2VwFs6gM0/data/ef1b01c06/18869fa2b84546d5a0a746781e3e8009/FLAGca56ba6d4 [2021-11-22 14:35:00,002 INFO L306 CDTParser]: Found 1 translation units. [2021-11-22 14:35:00,003 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dff6b21e-1657-47d9-9806-5d4ff0350ea9/sv-benchmarks/c/aws-c-common/aws_byte_buf_clean_up_secure_harness.i [2021-11-22 14:35:00,058 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dff6b21e-1657-47d9-9806-5d4ff0350ea9/bin/uautomizer-w2VwFs6gM0/data/ef1b01c06/18869fa2b84546d5a0a746781e3e8009/FLAGca56ba6d4 [2021-11-22 14:35:00,429 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dff6b21e-1657-47d9-9806-5d4ff0350ea9/bin/uautomizer-w2VwFs6gM0/data/ef1b01c06/18869fa2b84546d5a0a746781e3e8009 [2021-11-22 14:35:00,431 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-22 14:35:00,435 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-22 14:35:00,437 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-22 14:35:00,437 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-22 14:35:00,441 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-22 14:35:00,442 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:35:00" (1/1) ... [2021-11-22 14:35:00,443 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26ef17c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:35:00, skipping insertion in model container [2021-11-22 14:35:00,443 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:35:00" (1/1) ... [2021-11-22 14:35:00,451 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-22 14:35:00,560 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-22 14:35:00,849 WARN L230 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_dff6b21e-1657-47d9-9806-5d4ff0350ea9/sv-benchmarks/c/aws-c-common/aws_byte_buf_clean_up_secure_harness.i[4502,4515] [2021-11-22 14:35:00,856 WARN L230 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_dff6b21e-1657-47d9-9806-5d4ff0350ea9/sv-benchmarks/c/aws-c-common/aws_byte_buf_clean_up_secure_harness.i[4562,4575] [2021-11-22 14:35:01,754 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-22 14:35:01,765 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-22 14:35:01,767 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-22 14:35:01,768 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-22 14:35:01,770 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-22 14:35:01,789 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-22 14:35:01,789 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-22 14:35:01,794 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-22 14:35:01,795 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-22 14:35:02,172 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-22 14:35:02,173 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-22 14:35:02,175 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-22 14:35:02,176 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-22 14:35:02,177 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-22 14:35:02,178 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-22 14:35:02,179 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-22 14:35:02,180 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-22 14:35:02,180 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-22 14:35:02,181 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-22 14:35:02,370 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-22 14:35:02,484 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-22 14:35:02,485 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-22 14:35:02,597 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 14:35:02,673 INFO L203 MainTranslator]: Completed pre-run [2021-11-22 14:35:02,702 WARN L230 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_dff6b21e-1657-47d9-9806-5d4ff0350ea9/sv-benchmarks/c/aws-c-common/aws_byte_buf_clean_up_secure_harness.i[4502,4515] [2021-11-22 14:35:02,703 WARN L230 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_dff6b21e-1657-47d9-9806-5d4ff0350ea9/sv-benchmarks/c/aws-c-common/aws_byte_buf_clean_up_secure_harness.i[4562,4575] [2021-11-22 14:35:02,756 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-22 14:35:02,758 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-22 14:35:02,761 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-22 14:35:02,762 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-22 14:35:02,764 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-22 14:35:02,774 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-22 14:35:02,774 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-22 14:35:02,775 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-22 14:35:02,776 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-22 14:35:02,834 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-22 14:35:02,835 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-22 14:35:02,836 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-22 14:35:02,837 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-22 14:35:02,838 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-22 14:35:02,838 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-22 14:35:02,839 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-22 14:35:02,840 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-22 14:35:02,840 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-22 14:35:02,841 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-22 14:35:02,901 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-22 14:35:02,977 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-22 14:35:02,978 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-22 14:35:03,020 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 14:35:03,252 INFO L208 MainTranslator]: Completed translation [2021-11-22 14:35:03,254 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:35:03 WrapperNode [2021-11-22 14:35:03,255 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-22 14:35:03,256 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-22 14:35:03,256 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-22 14:35:03,256 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-22 14:35:03,263 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:35:03" (1/1) ... [2021-11-22 14:35:03,422 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:35:03" (1/1) ... [2021-11-22 14:35:03,555 INFO L137 Inliner]: procedures = 691, calls = 2504, calls flagged for inlining = 888, calls inlined = 36, statements flattened = 1193 [2021-11-22 14:35:03,556 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-22 14:35:03,556 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-22 14:35:03,557 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-22 14:35:03,557 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-22 14:35:03,572 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:35:03" (1/1) ... [2021-11-22 14:35:03,572 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:35:03" (1/1) ... [2021-11-22 14:35:03,598 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:35:03" (1/1) ... [2021-11-22 14:35:03,599 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:35:03" (1/1) ... [2021-11-22 14:35:03,662 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:35:03" (1/1) ... [2021-11-22 14:35:03,681 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:35:03" (1/1) ... [2021-11-22 14:35:03,691 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:35:03" (1/1) ... [2021-11-22 14:35:03,712 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-22 14:35:03,716 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-22 14:35:03,717 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-22 14:35:03,717 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-22 14:35:03,718 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:35:03" (1/1) ... [2021-11-22 14:35:03,725 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-22 14:35:03,736 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dff6b21e-1657-47d9-9806-5d4ff0350ea9/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 14:35:03,755 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dff6b21e-1657-47d9-9806-5d4ff0350ea9/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-22 14:35:03,770 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dff6b21e-1657-47d9-9806-5d4ff0350ea9/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-22 14:35:03,802 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-22 14:35:03,802 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-22 14:35:03,803 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-22 14:35:03,803 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-22 14:35:03,803 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-22 14:35:03,804 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-22 14:35:03,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-22 14:35:03,804 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-22 14:35:03,804 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-22 14:35:03,805 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-22 14:35:03,805 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-22 14:35:03,805 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-22 14:35:04,151 INFO L236 CfgBuilder]: Building ICFG [2021-11-22 14:35:04,152 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-22 14:35:05,944 INFO L277 CfgBuilder]: Performing block encoding [2021-11-22 14:35:05,959 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-22 14:35:05,960 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-22 14:35:05,962 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:35:05 BoogieIcfgContainer [2021-11-22 14:35:05,962 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-22 14:35:05,964 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-22 14:35:05,964 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-22 14:35:05,968 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-22 14:35:05,968 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 02:35:00" (1/3) ... [2021-11-22 14:35:05,969 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19a724af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 02:35:05, skipping insertion in model container [2021-11-22 14:35:05,969 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:35:03" (2/3) ... [2021-11-22 14:35:05,969 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19a724af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 02:35:05, skipping insertion in model container [2021-11-22 14:35:05,969 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:35:05" (3/3) ... [2021-11-22 14:35:05,971 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_clean_up_secure_harness.i [2021-11-22 14:35:05,976 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-22 14:35:05,976 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2021-11-22 14:35:06,039 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-22 14:35:06,056 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-22 14:35:06,060 INFO L340 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-11-22 14:35:06,084 INFO L276 IsEmpty]: Start isEmpty. Operand has 162 states, 155 states have (on average 1.4580645161290322) internal successors, (226), 161 states have internal predecessors, (226), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 14:35:06,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-22 14:35:06,093 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 14:35:06,093 INFO L514 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] [2021-11-22 14:35:06,094 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-22 14:35:06,099 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 14:35:06,099 INFO L85 PathProgramCache]: Analyzing trace with hash -2094162133, now seen corresponding path program 1 times [2021-11-22 14:35:06,109 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 14:35:06,110 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [260050877] [2021-11-22 14:35:06,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 14:35:06,111 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 14:35:06,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 14:35:06,713 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 14:35:06,714 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 14:35:06,715 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [260050877] [2021-11-22 14:35:06,716 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [260050877] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 14:35:06,716 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 14:35:06,716 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-22 14:35:06,718 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1406963217] [2021-11-22 14:35:06,718 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 14:35:06,725 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-22 14:35:06,725 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 14:35:06,752 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-22 14:35:06,753 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-22 14:35:06,756 INFO L87 Difference]: Start difference. First operand has 162 states, 155 states have (on average 1.4580645161290322) internal successors, (226), 161 states have internal predecessors, (226), 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) [2021-11-22 14:35:06,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 14:35:06,790 INFO L93 Difference]: Finished difference Result 320 states and 447 transitions. [2021-11-22 14:35:06,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-22 14:35:06,792 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 [2021-11-22 14:35:06,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 14:35:06,801 INFO L225 Difference]: With dead ends: 320 [2021-11-22 14:35:06,801 INFO L226 Difference]: Without dead ends: 157 [2021-11-22 14:35:06,804 INFO L932 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 [2021-11-22 14:35:06,807 INFO L933 BasicCegarLoop]: 210 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 210 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-22 14:35:06,809 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 210 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-22 14:35:06,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2021-11-22 14:35:06,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 157. [2021-11-22 14:35:06,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 157 states, 151 states have (on average 1.3576158940397351) internal successors, (205), 156 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 14:35:06,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 205 transitions. [2021-11-22 14:35:06,854 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 205 transitions. Word has length 34 [2021-11-22 14:35:06,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 14:35:06,855 INFO L470 AbstractCegarLoop]: Abstraction has 157 states and 205 transitions. [2021-11-22 14:35:06,855 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) [2021-11-22 14:35:06,856 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 205 transitions. [2021-11-22 14:35:06,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-22 14:35:06,857 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 14:35:06,858 INFO L514 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] [2021-11-22 14:35:06,858 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-22 14:35:06,858 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-22 14:35:06,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 14:35:06,859 INFO L85 PathProgramCache]: Analyzing trace with hash 944442029, now seen corresponding path program 1 times [2021-11-22 14:35:06,859 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 14:35:06,860 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1860236139] [2021-11-22 14:35:06,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 14:35:06,860 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 14:35:06,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 14:35:07,097 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 14:35:07,097 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 14:35:07,098 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1860236139] [2021-11-22 14:35:07,098 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1860236139] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 14:35:07,098 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 14:35:07,098 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-22 14:35:07,099 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1989489443] [2021-11-22 14:35:07,099 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 14:35:07,101 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-22 14:35:07,101 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 14:35:07,102 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-22 14:35:07,102 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-22 14:35:07,103 INFO L87 Difference]: Start difference. First operand 157 states and 205 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) [2021-11-22 14:35:07,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 14:35:07,229 INFO L93 Difference]: Finished difference Result 288 states and 376 transitions. [2021-11-22 14:35:07,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-22 14:35:07,230 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 [2021-11-22 14:35:07,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 14:35:07,232 INFO L225 Difference]: With dead ends: 288 [2021-11-22 14:35:07,235 INFO L226 Difference]: Without dead ends: 157 [2021-11-22 14:35:07,236 INFO L932 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 [2021-11-22 14:35:07,239 INFO L933 BasicCegarLoop]: 194 mSDtfsCounter, 296 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 296 SdHoareTripleChecker+Valid, 263 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-22 14:35:07,241 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [296 Valid, 263 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-22 14:35:07,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2021-11-22 14:35:07,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 157. [2021-11-22 14:35:07,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 157 states, 151 states have (on average 1.3443708609271523) internal successors, (203), 156 states have internal predecessors, (203), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 14:35:07,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 203 transitions. [2021-11-22 14:35:07,255 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 203 transitions. Word has length 34 [2021-11-22 14:35:07,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 14:35:07,256 INFO L470 AbstractCegarLoop]: Abstraction has 157 states and 203 transitions. [2021-11-22 14:35:07,256 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) [2021-11-22 14:35:07,256 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 203 transitions. [2021-11-22 14:35:07,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-22 14:35:07,258 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 14:35:07,258 INFO L514 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] [2021-11-22 14:35:07,258 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-22 14:35:07,259 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-22 14:35:07,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 14:35:07,260 INFO L85 PathProgramCache]: Analyzing trace with hash -1219890353, now seen corresponding path program 1 times [2021-11-22 14:35:07,260 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 14:35:07,260 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1841492116] [2021-11-22 14:35:07,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 14:35:07,261 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 14:35:07,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 14:35:07,521 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 14:35:07,522 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 14:35:07,522 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1841492116] [2021-11-22 14:35:07,522 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1841492116] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 14:35:07,522 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 14:35:07,523 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-22 14:35:07,523 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [438790696] [2021-11-22 14:35:07,523 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 14:35:07,526 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-22 14:35:07,526 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 14:35:07,527 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-22 14:35:07,530 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-22 14:35:07,531 INFO L87 Difference]: Start difference. First operand 157 states and 203 transitions. Second operand has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 14:35:07,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 14:35:07,664 INFO L93 Difference]: Finished difference Result 349 states and 458 transitions. [2021-11-22 14:35:07,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-22 14:35:07,664 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 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 [2021-11-22 14:35:07,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 14:35:07,668 INFO L225 Difference]: With dead ends: 349 [2021-11-22 14:35:07,669 INFO L226 Difference]: Without dead ends: 217 [2021-11-22 14:35:07,671 INFO L932 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 [2021-11-22 14:35:07,678 INFO L933 BasicCegarLoop]: 258 mSDtfsCounter, 129 mSDsluCounter, 280 mSDsCounter, 0 mSdLazyCounter, 101 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 129 SdHoareTripleChecker+Valid, 538 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 101 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-22 14:35:07,680 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [129 Valid, 538 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 101 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-22 14:35:07,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217 states. [2021-11-22 14:35:07,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 169. [2021-11-22 14:35:07,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 169 states, 163 states have (on average 1.3190184049079754) internal successors, (215), 168 states have internal predecessors, (215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 14:35:07,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 215 transitions. [2021-11-22 14:35:07,704 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 215 transitions. Word has length 46 [2021-11-22 14:35:07,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 14:35:07,705 INFO L470 AbstractCegarLoop]: Abstraction has 169 states and 215 transitions. [2021-11-22 14:35:07,705 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 14:35:07,705 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 215 transitions. [2021-11-22 14:35:07,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-22 14:35:07,709 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 14:35:07,710 INFO L514 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] [2021-11-22 14:35:07,710 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-22 14:35:07,710 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-22 14:35:07,711 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 14:35:07,711 INFO L85 PathProgramCache]: Analyzing trace with hash -1921490227, now seen corresponding path program 1 times [2021-11-22 14:35:07,711 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 14:35:07,712 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [674823206] [2021-11-22 14:35:07,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 14:35:07,712 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 14:35:07,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 14:35:08,067 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 14:35:08,067 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 14:35:08,067 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [674823206] [2021-11-22 14:35:08,068 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [674823206] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 14:35:08,068 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 14:35:08,068 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-22 14:35:08,068 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2036619706] [2021-11-22 14:35:08,069 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 14:35:08,069 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-22 14:35:08,069 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 14:35:08,070 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-22 14:35:08,070 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-22 14:35:08,070 INFO L87 Difference]: Start difference. First operand 169 states and 215 transitions. Second operand has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 14:35:08,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 14:35:08,160 INFO L93 Difference]: Finished difference Result 272 states and 344 transitions. [2021-11-22 14:35:08,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-22 14:35:08,161 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 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 [2021-11-22 14:35:08,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 14:35:08,162 INFO L225 Difference]: With dead ends: 272 [2021-11-22 14:35:08,162 INFO L226 Difference]: Without dead ends: 169 [2021-11-22 14:35:08,163 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-22 14:35:08,164 INFO L933 BasicCegarLoop]: 185 mSDtfsCounter, 438 mSDsluCounter, 102 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 438 SdHoareTripleChecker+Valid, 287 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-22 14:35:08,164 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [438 Valid, 287 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-22 14:35:08,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states. [2021-11-22 14:35:08,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 169. [2021-11-22 14:35:08,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 169 states, 163 states have (on average 1.3006134969325154) internal successors, (212), 168 states have internal predecessors, (212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 14:35:08,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 212 transitions. [2021-11-22 14:35:08,193 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 212 transitions. Word has length 46 [2021-11-22 14:35:08,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 14:35:08,193 INFO L470 AbstractCegarLoop]: Abstraction has 169 states and 212 transitions. [2021-11-22 14:35:08,193 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 14:35:08,193 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 212 transitions. [2021-11-22 14:35:08,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-22 14:35:08,195 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 14:35:08,195 INFO L514 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] [2021-11-22 14:35:08,195 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-22 14:35:08,196 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-22 14:35:08,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 14:35:08,196 INFO L85 PathProgramCache]: Analyzing trace with hash 1838871928, now seen corresponding path program 1 times [2021-11-22 14:35:08,197 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 14:35:08,197 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1437914377] [2021-11-22 14:35:08,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 14:35:08,197 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 14:35:08,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 14:35:08,398 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 14:35:08,398 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 14:35:08,398 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1437914377] [2021-11-22 14:35:08,398 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1437914377] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 14:35:08,399 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 14:35:08,399 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-22 14:35:08,399 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1038417193] [2021-11-22 14:35:08,399 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 14:35:08,400 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-22 14:35:08,400 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 14:35:08,400 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-22 14:35:08,400 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-22 14:35:08,401 INFO L87 Difference]: Start difference. First operand 169 states and 212 transitions. Second operand has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 6 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 14:35:08,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 14:35:08,527 INFO L93 Difference]: Finished difference Result 242 states and 299 transitions. [2021-11-22 14:35:08,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-22 14:35:08,528 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 6 states have internal predecessors, (52), 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 52 [2021-11-22 14:35:08,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 14:35:08,531 INFO L225 Difference]: With dead ends: 242 [2021-11-22 14:35:08,531 INFO L226 Difference]: Without dead ends: 169 [2021-11-22 14:35:08,532 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2021-11-22 14:35:08,533 INFO L933 BasicCegarLoop]: 180 mSDtfsCounter, 564 mSDsluCounter, 154 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 564 SdHoareTripleChecker+Valid, 334 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-22 14:35:08,533 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [564 Valid, 334 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-22 14:35:08,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states. [2021-11-22 14:35:08,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 169. [2021-11-22 14:35:08,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 169 states, 163 states have (on average 1.294478527607362) internal successors, (211), 168 states have internal predecessors, (211), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 14:35:08,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 211 transitions. [2021-11-22 14:35:08,560 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 211 transitions. Word has length 52 [2021-11-22 14:35:08,560 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 14:35:08,560 INFO L470 AbstractCegarLoop]: Abstraction has 169 states and 211 transitions. [2021-11-22 14:35:08,560 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 6 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 14:35:08,561 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 211 transitions. [2021-11-22 14:35:08,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-11-22 14:35:08,566 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 14:35:08,566 INFO L514 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] [2021-11-22 14:35:08,567 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-22 14:35:08,567 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-22 14:35:08,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 14:35:08,569 INFO L85 PathProgramCache]: Analyzing trace with hash 1897877165, now seen corresponding path program 1 times [2021-11-22 14:35:08,569 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 14:35:08,569 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [720919271] [2021-11-22 14:35:08,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 14:35:08,569 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 14:35:08,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 14:35:08,916 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 14:35:08,916 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 14:35:08,917 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [720919271] [2021-11-22 14:35:08,917 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [720919271] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 14:35:08,917 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 14:35:08,918 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-22 14:35:08,918 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1501198150] [2021-11-22 14:35:08,918 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 14:35:08,919 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-22 14:35:08,920 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 14:35:08,920 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-22 14:35:08,920 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-22 14:35:08,921 INFO L87 Difference]: Start difference. First operand 169 states and 211 transitions. Second operand has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 6 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 14:35:09,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 14:35:09,158 INFO L93 Difference]: Finished difference Result 305 states and 370 transitions. [2021-11-22 14:35:09,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-22 14:35:09,159 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 6 states have internal predecessors, (58), 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 58 [2021-11-22 14:35:09,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 14:35:09,163 INFO L225 Difference]: With dead ends: 305 [2021-11-22 14:35:09,163 INFO L226 Difference]: Without dead ends: 301 [2021-11-22 14:35:09,163 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2021-11-22 14:35:09,165 INFO L933 BasicCegarLoop]: 179 mSDtfsCounter, 284 mSDsluCounter, 555 mSDsCounter, 0 mSdLazyCounter, 147 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 284 SdHoareTripleChecker+Valid, 734 SdHoareTripleChecker+Invalid, 192 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 147 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-22 14:35:09,165 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [284 Valid, 734 Invalid, 192 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 147 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-22 14:35:09,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 301 states. [2021-11-22 14:35:09,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 301 to 177. [2021-11-22 14:35:09,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 177 states, 171 states have (on average 1.280701754385965) internal successors, (219), 176 states have internal predecessors, (219), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 14:35:09,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 219 transitions. [2021-11-22 14:35:09,174 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 219 transitions. Word has length 58 [2021-11-22 14:35:09,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 14:35:09,175 INFO L470 AbstractCegarLoop]: Abstraction has 177 states and 219 transitions. [2021-11-22 14:35:09,175 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 6 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 14:35:09,175 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 219 transitions. [2021-11-22 14:35:09,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-11-22 14:35:09,178 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 14:35:09,179 INFO L514 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] [2021-11-22 14:35:09,179 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-22 14:35:09,179 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-22 14:35:09,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 14:35:09,180 INFO L85 PathProgramCache]: Analyzing trace with hash 808152229, now seen corresponding path program 1 times [2021-11-22 14:35:09,180 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 14:35:09,180 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1263453695] [2021-11-22 14:35:09,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 14:35:09,180 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 14:35:09,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 14:35:09,445 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 14:35:09,445 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 14:35:09,445 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1263453695] [2021-11-22 14:35:09,445 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1263453695] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 14:35:09,446 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 14:35:09,446 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-22 14:35:09,446 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [237253713] [2021-11-22 14:35:09,446 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 14:35:09,447 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-22 14:35:09,447 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 14:35:09,447 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-22 14:35:09,448 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-22 14:35:09,448 INFO L87 Difference]: Start difference. First operand 177 states and 219 transitions. Second operand has 5 states, 5 states have (on average 12.4) internal successors, (62), 5 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) [2021-11-22 14:35:09,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 14:35:09,697 INFO L93 Difference]: Finished difference Result 263 states and 321 transitions. [2021-11-22 14:35:09,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-22 14:35:09,698 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 5 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 [2021-11-22 14:35:09,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 14:35:09,699 INFO L225 Difference]: With dead ends: 263 [2021-11-22 14:35:09,699 INFO L226 Difference]: Without dead ends: 184 [2021-11-22 14:35:09,700 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-22 14:35:09,701 INFO L933 BasicCegarLoop]: 194 mSDtfsCounter, 46 mSDsluCounter, 423 mSDsCounter, 0 mSdLazyCounter, 141 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 617 SdHoareTripleChecker+Invalid, 147 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 141 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-22 14:35:09,701 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [46 Valid, 617 Invalid, 147 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 141 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-22 14:35:09,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 184 states. [2021-11-22 14:35:09,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 184 to 179. [2021-11-22 14:35:09,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 179 states, 173 states have (on average 1.277456647398844) internal successors, (221), 178 states have internal predecessors, (221), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 14:35:09,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 221 transitions. [2021-11-22 14:35:09,709 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 221 transitions. Word has length 62 [2021-11-22 14:35:09,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 14:35:09,709 INFO L470 AbstractCegarLoop]: Abstraction has 179 states and 221 transitions. [2021-11-22 14:35:09,709 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 5 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) [2021-11-22 14:35:09,710 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 221 transitions. [2021-11-22 14:35:09,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-11-22 14:35:09,710 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 14:35:09,711 INFO L514 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] [2021-11-22 14:35:09,711 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-22 14:35:09,711 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-22 14:35:09,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 14:35:09,712 INFO L85 PathProgramCache]: Analyzing trace with hash 1488210599, now seen corresponding path program 1 times [2021-11-22 14:35:09,712 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 14:35:09,712 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [906588990] [2021-11-22 14:35:09,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 14:35:09,713 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 14:35:10,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 14:35:10,288 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 14:35:10,288 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 14:35:10,288 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [906588990] [2021-11-22 14:35:10,289 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [906588990] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 14:35:10,289 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 14:35:10,289 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-22 14:35:10,289 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [917852530] [2021-11-22 14:35:10,289 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 14:35:10,290 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-22 14:35:10,290 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 14:35:10,291 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-22 14:35:10,292 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-11-22 14:35:10,292 INFO L87 Difference]: Start difference. First operand 179 states and 221 transitions. Second operand has 9 states, 9 states have (on average 6.888888888888889) internal successors, (62), 9 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) [2021-11-22 14:35:10,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 14:35:10,804 INFO L93 Difference]: Finished difference Result 371 states and 461 transitions. [2021-11-22 14:35:10,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-22 14:35:10,805 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.888888888888889) internal successors, (62), 9 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 [2021-11-22 14:35:10,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 14:35:10,806 INFO L225 Difference]: With dead ends: 371 [2021-11-22 14:35:10,806 INFO L226 Difference]: Without dead ends: 219 [2021-11-22 14:35:10,807 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=116, Invalid=226, Unknown=0, NotChecked=0, Total=342 [2021-11-22 14:35:10,808 INFO L933 BasicCegarLoop]: 209 mSDtfsCounter, 817 mSDsluCounter, 492 mSDsCounter, 0 mSdLazyCounter, 246 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 817 SdHoareTripleChecker+Valid, 701 SdHoareTripleChecker+Invalid, 274 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 246 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-11-22 14:35:10,808 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [817 Valid, 701 Invalid, 274 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 246 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-11-22 14:35:10,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 219 states. [2021-11-22 14:35:10,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 219 to 175. [2021-11-22 14:35:10,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 175 states, 169 states have (on average 1.272189349112426) internal successors, (215), 174 states have internal predecessors, (215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 14:35:10,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 215 transitions. [2021-11-22 14:35:10,815 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 215 transitions. Word has length 62 [2021-11-22 14:35:10,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 14:35:10,816 INFO L470 AbstractCegarLoop]: Abstraction has 175 states and 215 transitions. [2021-11-22 14:35:10,816 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.888888888888889) internal successors, (62), 9 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) [2021-11-22 14:35:10,816 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 215 transitions. [2021-11-22 14:35:10,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-11-22 14:35:10,817 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 14:35:10,817 INFO L514 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, 1, 1, 1, 1, 1] [2021-11-22 14:35:10,818 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-22 14:35:10,818 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-22 14:35:10,818 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 14:35:10,819 INFO L85 PathProgramCache]: Analyzing trace with hash -2039459799, now seen corresponding path program 1 times [2021-11-22 14:35:10,819 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 14:35:10,819 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [71368191] [2021-11-22 14:35:10,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 14:35:10,819 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 14:35:10,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 14:35:11,186 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 14:35:11,186 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 14:35:11,186 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [71368191] [2021-11-22 14:35:11,186 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [71368191] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 14:35:11,186 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 14:35:11,187 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-22 14:35:11,187 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [132389554] [2021-11-22 14:35:11,187 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 14:35:11,187 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-22 14:35:11,187 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 14:35:11,188 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-22 14:35:11,188 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2021-11-22 14:35:11,188 INFO L87 Difference]: Start difference. First operand 175 states and 215 transitions. Second operand has 10 states, 10 states have (on average 7.0) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 14:35:12,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 14:35:12,322 INFO L93 Difference]: Finished difference Result 530 states and 670 transitions. [2021-11-22 14:35:12,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-11-22 14:35:12,323 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 7.0) internal successors, (70), 10 states have internal predecessors, (70), 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 70 [2021-11-22 14:35:12,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 14:35:12,325 INFO L225 Difference]: With dead ends: 530 [2021-11-22 14:35:12,325 INFO L226 Difference]: Without dead ends: 372 [2021-11-22 14:35:12,326 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=110, Invalid=310, Unknown=0, NotChecked=0, Total=420 [2021-11-22 14:35:12,327 INFO L933 BasicCegarLoop]: 266 mSDtfsCounter, 488 mSDsluCounter, 1328 mSDsCounter, 0 mSdLazyCounter, 801 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 488 SdHoareTripleChecker+Valid, 1594 SdHoareTripleChecker+Invalid, 844 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 801 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2021-11-22 14:35:12,327 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [488 Valid, 1594 Invalid, 844 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 801 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2021-11-22 14:35:12,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 372 states. [2021-11-22 14:35:12,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 372 to 202. [2021-11-22 14:35:12,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 202 states, 196 states have (on average 1.2551020408163265) internal successors, (246), 201 states have internal predecessors, (246), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 14:35:12,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 202 states and 246 transitions. [2021-11-22 14:35:12,338 INFO L78 Accepts]: Start accepts. Automaton has 202 states and 246 transitions. Word has length 70 [2021-11-22 14:35:12,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 14:35:12,338 INFO L470 AbstractCegarLoop]: Abstraction has 202 states and 246 transitions. [2021-11-22 14:35:12,338 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.0) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 14:35:12,339 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 246 transitions. [2021-11-22 14:35:12,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-11-22 14:35:12,339 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 14:35:12,340 INFO L514 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, 1, 1, 1, 1, 1] [2021-11-22 14:35:12,340 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-22 14:35:12,340 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-22 14:35:12,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 14:35:12,341 INFO L85 PathProgramCache]: Analyzing trace with hash 883700199, now seen corresponding path program 1 times [2021-11-22 14:35:12,341 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 14:35:12,341 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1864209877] [2021-11-22 14:35:12,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 14:35:12,342 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 14:35:12,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 14:35:12,541 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 14:35:12,541 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 14:35:12,541 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1864209877] [2021-11-22 14:35:12,541 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1864209877] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 14:35:12,542 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 14:35:12,542 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-22 14:35:12,542 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [529213275] [2021-11-22 14:35:12,542 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 14:35:12,543 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-22 14:35:12,543 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 14:35:12,543 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-22 14:35:12,544 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-11-22 14:35:12,544 INFO L87 Difference]: Start difference. First operand 202 states and 246 transitions. Second operand has 7 states, 7 states have (on average 10.0) internal successors, (70), 7 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 14:35:12,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 14:35:12,775 INFO L93 Difference]: Finished difference Result 419 states and 497 transitions. [2021-11-22 14:35:12,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-22 14:35:12,776 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.0) internal successors, (70), 7 states have internal predecessors, (70), 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 70 [2021-11-22 14:35:12,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 14:35:12,777 INFO L225 Difference]: With dead ends: 419 [2021-11-22 14:35:12,777 INFO L226 Difference]: Without dead ends: 235 [2021-11-22 14:35:12,778 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2021-11-22 14:35:12,779 INFO L933 BasicCegarLoop]: 205 mSDtfsCounter, 89 mSDsluCounter, 842 mSDsCounter, 0 mSdLazyCounter, 226 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 1047 SdHoareTripleChecker+Invalid, 264 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 226 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-22 14:35:12,779 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [89 Valid, 1047 Invalid, 264 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 226 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-22 14:35:12,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 235 states. [2021-11-22 14:35:12,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 235 to 202. [2021-11-22 14:35:12,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 202 states, 196 states have (on average 1.2295918367346939) internal successors, (241), 201 states have internal predecessors, (241), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 14:35:12,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 202 states and 241 transitions. [2021-11-22 14:35:12,788 INFO L78 Accepts]: Start accepts. Automaton has 202 states and 241 transitions. Word has length 70 [2021-11-22 14:35:12,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 14:35:12,789 INFO L470 AbstractCegarLoop]: Abstraction has 202 states and 241 transitions. [2021-11-22 14:35:12,789 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.0) internal successors, (70), 7 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 14:35:12,789 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 241 transitions. [2021-11-22 14:35:12,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-11-22 14:35:12,790 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 14:35:12,791 INFO L514 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 14:35:12,791 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-11-22 14:35:12,791 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-22 14:35:12,792 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 14:35:12,792 INFO L85 PathProgramCache]: Analyzing trace with hash -550409595, now seen corresponding path program 1 times [2021-11-22 14:35:12,792 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 14:35:12,792 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [725618842] [2021-11-22 14:35:12,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 14:35:12,793 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 14:35:12,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 14:35:13,018 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 14:35:13,019 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 14:35:13,019 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [725618842] [2021-11-22 14:35:13,019 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [725618842] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 14:35:13,019 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 14:35:13,019 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-22 14:35:13,020 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1754176805] [2021-11-22 14:35:13,020 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 14:35:13,020 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-22 14:35:13,020 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 14:35:13,021 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-22 14:35:13,021 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-22 14:35:13,021 INFO L87 Difference]: Start difference. First operand 202 states and 241 transitions. Second operand has 5 states, 5 states have (on average 14.8) internal successors, (74), 5 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 14:35:13,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 14:35:13,398 INFO L93 Difference]: Finished difference Result 543 states and 642 transitions. [2021-11-22 14:35:13,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-22 14:35:13,399 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.8) internal successors, (74), 5 states have internal predecessors, (74), 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 74 [2021-11-22 14:35:13,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 14:35:13,401 INFO L225 Difference]: With dead ends: 543 [2021-11-22 14:35:13,401 INFO L226 Difference]: Without dead ends: 366 [2021-11-22 14:35:13,401 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-11-22 14:35:13,402 INFO L933 BasicCegarLoop]: 141 mSDtfsCounter, 485 mSDsluCounter, 248 mSDsCounter, 0 mSdLazyCounter, 209 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 485 SdHoareTripleChecker+Valid, 389 SdHoareTripleChecker+Invalid, 243 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 209 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-11-22 14:35:13,402 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [485 Valid, 389 Invalid, 243 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 209 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-11-22 14:35:13,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 366 states. [2021-11-22 14:35:13,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 366 to 222. [2021-11-22 14:35:13,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 222 states, 216 states have (on average 1.2037037037037037) internal successors, (260), 221 states have internal predecessors, (260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 14:35:13,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 222 states and 260 transitions. [2021-11-22 14:35:13,414 INFO L78 Accepts]: Start accepts. Automaton has 222 states and 260 transitions. Word has length 74 [2021-11-22 14:35:13,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 14:35:13,415 INFO L470 AbstractCegarLoop]: Abstraction has 222 states and 260 transitions. [2021-11-22 14:35:13,415 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.8) internal successors, (74), 5 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 14:35:13,415 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 260 transitions. [2021-11-22 14:35:13,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-11-22 14:35:13,416 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 14:35:13,416 INFO L514 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 14:35:13,417 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-11-22 14:35:13,417 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-22 14:35:13,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 14:35:13,417 INFO L85 PathProgramCache]: Analyzing trace with hash 1939865285, now seen corresponding path program 1 times [2021-11-22 14:35:13,418 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 14:35:13,418 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [485075851] [2021-11-22 14:35:13,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 14:35:13,418 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 14:35:13,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 14:35:13,541 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 14:35:13,541 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 14:35:13,541 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [485075851] [2021-11-22 14:35:13,541 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [485075851] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 14:35:13,542 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 14:35:13,542 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-22 14:35:13,542 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1748465473] [2021-11-22 14:35:13,542 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 14:35:13,543 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-22 14:35:13,543 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 14:35:13,543 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-22 14:35:13,543 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-22 14:35:13,544 INFO L87 Difference]: Start difference. First operand 222 states and 260 transitions. Second operand has 4 states, 4 states have (on average 18.5) internal successors, (74), 4 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 14:35:13,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 14:35:13,651 INFO L93 Difference]: Finished difference Result 419 states and 490 transitions. [2021-11-22 14:35:13,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-22 14:35:13,652 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.5) internal successors, (74), 4 states have internal predecessors, (74), 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 74 [2021-11-22 14:35:13,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 14:35:13,653 INFO L225 Difference]: With dead ends: 419 [2021-11-22 14:35:13,653 INFO L226 Difference]: Without dead ends: 200 [2021-11-22 14:35:13,654 INFO L932 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 [2021-11-22 14:35:13,655 INFO L933 BasicCegarLoop]: 187 mSDtfsCounter, 20 mSDsluCounter, 311 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 498 SdHoareTripleChecker+Invalid, 97 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-22 14:35:13,656 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [20 Valid, 498 Invalid, 97 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-22 14:35:13,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 200 states. [2021-11-22 14:35:13,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 200 to 191. [2021-11-22 14:35:13,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 191 states, 185 states have (on average 1.1567567567567567) internal successors, (214), 190 states have internal predecessors, (214), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 14:35:13,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 191 states and 214 transitions. [2021-11-22 14:35:13,667 INFO L78 Accepts]: Start accepts. Automaton has 191 states and 214 transitions. Word has length 74 [2021-11-22 14:35:13,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 14:35:13,667 INFO L470 AbstractCegarLoop]: Abstraction has 191 states and 214 transitions. [2021-11-22 14:35:13,667 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.5) internal successors, (74), 4 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 14:35:13,668 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 214 transitions. [2021-11-22 14:35:13,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-11-22 14:35:13,668 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 14:35:13,668 INFO L514 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 14:35:13,669 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-11-22 14:35:13,669 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-22 14:35:13,670 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 14:35:13,670 INFO L85 PathProgramCache]: Analyzing trace with hash -638222779, now seen corresponding path program 1 times [2021-11-22 14:35:13,670 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 14:35:13,670 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [386555052] [2021-11-22 14:35:13,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 14:35:13,671 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 14:35:13,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 14:35:14,103 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 14:35:14,103 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 14:35:14,104 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [386555052] [2021-11-22 14:35:14,104 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [386555052] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 14:35:14,104 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 14:35:14,104 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-22 14:35:14,104 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1085983401] [2021-11-22 14:35:14,104 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 14:35:14,105 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-22 14:35:14,105 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 14:35:14,105 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-22 14:35:14,106 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2021-11-22 14:35:14,106 INFO L87 Difference]: Start difference. First operand 191 states and 214 transitions. Second operand has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 14:35:14,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 14:35:14,848 INFO L93 Difference]: Finished difference Result 492 states and 551 transitions. [2021-11-22 14:35:14,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-11-22 14:35:14,849 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 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 74 [2021-11-22 14:35:14,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 14:35:14,852 INFO L225 Difference]: With dead ends: 492 [2021-11-22 14:35:14,852 INFO L226 Difference]: Without dead ends: 341 [2021-11-22 14:35:14,853 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=94, Invalid=212, Unknown=0, NotChecked=0, Total=306 [2021-11-22 14:35:14,854 INFO L933 BasicCegarLoop]: 153 mSDtfsCounter, 577 mSDsluCounter, 666 mSDsCounter, 0 mSdLazyCounter, 407 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 577 SdHoareTripleChecker+Valid, 819 SdHoareTripleChecker+Invalid, 458 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 407 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-11-22 14:35:14,854 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [577 Valid, 819 Invalid, 458 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 407 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-11-22 14:35:14,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 341 states. [2021-11-22 14:35:14,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 341 to 208. [2021-11-22 14:35:14,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 208 states, 202 states have (on average 1.1386138613861385) internal successors, (230), 207 states have internal predecessors, (230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 14:35:14,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 208 states and 230 transitions. [2021-11-22 14:35:14,866 INFO L78 Accepts]: Start accepts. Automaton has 208 states and 230 transitions. Word has length 74 [2021-11-22 14:35:14,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 14:35:14,866 INFO L470 AbstractCegarLoop]: Abstraction has 208 states and 230 transitions. [2021-11-22 14:35:14,866 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 14:35:14,866 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 230 transitions. [2021-11-22 14:35:14,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-11-22 14:35:14,867 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 14:35:14,867 INFO L514 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 14:35:14,868 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-11-22 14:35:14,868 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-22 14:35:14,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 14:35:14,869 INFO L85 PathProgramCache]: Analyzing trace with hash -243855993, now seen corresponding path program 1 times [2021-11-22 14:35:14,869 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 14:35:14,869 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [471675004] [2021-11-22 14:35:14,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 14:35:14,869 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 14:35:15,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 14:35:15,367 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 14:35:15,368 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 14:35:15,368 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [471675004] [2021-11-22 14:35:15,368 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [471675004] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 14:35:15,368 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 14:35:15,368 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-22 14:35:15,369 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1954013119] [2021-11-22 14:35:15,369 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 14:35:15,369 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-22 14:35:15,369 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 14:35:15,370 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-22 14:35:15,370 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2021-11-22 14:35:15,370 INFO L87 Difference]: Start difference. First operand 208 states and 230 transitions. Second operand has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 14:35:15,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 14:35:15,963 INFO L93 Difference]: Finished difference Result 356 states and 396 transitions. [2021-11-22 14:35:15,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-22 14:35:15,964 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 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 74 [2021-11-22 14:35:15,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 14:35:15,966 INFO L225 Difference]: With dead ends: 356 [2021-11-22 14:35:15,966 INFO L226 Difference]: Without dead ends: 224 [2021-11-22 14:35:15,967 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=125, Invalid=255, Unknown=0, NotChecked=0, Total=380 [2021-11-22 14:35:15,967 INFO L933 BasicCegarLoop]: 162 mSDtfsCounter, 431 mSDsluCounter, 524 mSDsCounter, 0 mSdLazyCounter, 240 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 431 SdHoareTripleChecker+Valid, 686 SdHoareTripleChecker+Invalid, 262 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 240 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-11-22 14:35:15,968 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [431 Valid, 686 Invalid, 262 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 240 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-11-22 14:35:15,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 224 states. [2021-11-22 14:35:15,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 224 to 204. [2021-11-22 14:35:15,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 204 states, 198 states have (on average 1.1363636363636365) internal successors, (225), 203 states have internal predecessors, (225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 14:35:15,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 225 transitions. [2021-11-22 14:35:15,979 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 225 transitions. Word has length 74 [2021-11-22 14:35:15,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 14:35:15,979 INFO L470 AbstractCegarLoop]: Abstraction has 204 states and 225 transitions. [2021-11-22 14:35:15,980 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 14:35:15,980 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 225 transitions. [2021-11-22 14:35:15,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-11-22 14:35:15,981 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 14:35:15,981 INFO L514 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 14:35:15,981 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-11-22 14:35:15,981 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-22 14:35:15,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 14:35:15,982 INFO L85 PathProgramCache]: Analyzing trace with hash -1040968520, now seen corresponding path program 1 times [2021-11-22 14:35:15,982 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 14:35:15,982 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1064470437] [2021-11-22 14:35:15,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 14:35:15,983 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 14:35:16,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 14:35:16,457 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 14:35:16,458 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 14:35:16,458 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1064470437] [2021-11-22 14:35:16,458 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1064470437] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 14:35:16,458 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 14:35:16,458 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-22 14:35:16,459 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1010793917] [2021-11-22 14:35:16,459 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 14:35:16,459 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-22 14:35:16,459 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 14:35:16,460 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-22 14:35:16,460 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-11-22 14:35:16,461 INFO L87 Difference]: Start difference. First operand 204 states and 225 transitions. Second operand has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 9 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 14:35:16,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 14:35:16,774 INFO L93 Difference]: Finished difference Result 386 states and 431 transitions. [2021-11-22 14:35:16,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-22 14:35:16,775 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 9 states have internal predecessors, (80), 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 80 [2021-11-22 14:35:16,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 14:35:16,777 INFO L225 Difference]: With dead ends: 386 [2021-11-22 14:35:16,777 INFO L226 Difference]: Without dead ends: 273 [2021-11-22 14:35:16,777 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=55, Invalid=101, Unknown=0, NotChecked=0, Total=156 [2021-11-22 14:35:16,778 INFO L933 BasicCegarLoop]: 154 mSDtfsCounter, 724 mSDsluCounter, 508 mSDsCounter, 0 mSdLazyCounter, 121 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 724 SdHoareTripleChecker+Valid, 662 SdHoareTripleChecker+Invalid, 135 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 121 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-22 14:35:16,778 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [724 Valid, 662 Invalid, 135 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 121 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-22 14:35:16,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 273 states. [2021-11-22 14:35:16,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 273 to 204. [2021-11-22 14:35:16,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 204 states, 198 states have (on average 1.1313131313131313) internal successors, (224), 203 states have internal predecessors, (224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 14:35:16,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 224 transitions. [2021-11-22 14:35:16,789 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 224 transitions. Word has length 80 [2021-11-22 14:35:16,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 14:35:16,789 INFO L470 AbstractCegarLoop]: Abstraction has 204 states and 224 transitions. [2021-11-22 14:35:16,789 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 9 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 14:35:16,789 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 224 transitions. [2021-11-22 14:35:16,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2021-11-22 14:35:16,790 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 14:35:16,790 INFO L514 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 14:35:16,790 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-11-22 14:35:16,791 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-22 14:35:16,791 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 14:35:16,791 INFO L85 PathProgramCache]: Analyzing trace with hash -420723014, now seen corresponding path program 1 times [2021-11-22 14:35:16,791 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 14:35:16,792 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1473638093] [2021-11-22 14:35:16,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 14:35:16,792 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 14:35:17,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 14:35:17,647 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 14:35:17,647 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 14:35:17,647 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1473638093] [2021-11-22 14:35:17,647 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1473638093] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 14:35:17,647 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 14:35:17,648 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-22 14:35:17,648 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1019940406] [2021-11-22 14:35:17,648 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 14:35:17,648 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-22 14:35:17,648 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 14:35:17,649 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-22 14:35:17,649 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-11-22 14:35:17,649 INFO L87 Difference]: Start difference. First operand 204 states and 224 transitions. Second operand has 9 states, 9 states have (on average 9.666666666666666) internal successors, (87), 9 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 14:35:18,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 14:35:18,344 INFO L93 Difference]: Finished difference Result 465 states and 513 transitions. [2021-11-22 14:35:18,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-22 14:35:18,345 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.666666666666666) internal successors, (87), 9 states have internal predecessors, (87), 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 87 [2021-11-22 14:35:18,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 14:35:18,347 INFO L225 Difference]: With dead ends: 465 [2021-11-22 14:35:18,347 INFO L226 Difference]: Without dead ends: 348 [2021-11-22 14:35:18,348 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=109, Invalid=233, Unknown=0, NotChecked=0, Total=342 [2021-11-22 14:35:18,348 INFO L933 BasicCegarLoop]: 156 mSDtfsCounter, 905 mSDsluCounter, 474 mSDsCounter, 0 mSdLazyCounter, 244 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 905 SdHoareTripleChecker+Valid, 630 SdHoareTripleChecker+Invalid, 272 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 244 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-11-22 14:35:18,349 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [905 Valid, 630 Invalid, 272 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 244 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-11-22 14:35:18,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 348 states. [2021-11-22 14:35:18,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 348 to 204. [2021-11-22 14:35:18,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 204 states, 198 states have (on average 1.1262626262626263) internal successors, (223), 203 states have internal predecessors, (223), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 14:35:18,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 223 transitions. [2021-11-22 14:35:18,364 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 223 transitions. Word has length 87 [2021-11-22 14:35:18,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 14:35:18,364 INFO L470 AbstractCegarLoop]: Abstraction has 204 states and 223 transitions. [2021-11-22 14:35:18,365 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.666666666666666) internal successors, (87), 9 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 14:35:18,365 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 223 transitions. [2021-11-22 14:35:18,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2021-11-22 14:35:18,366 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 14:35:18,366 INFO L514 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 14:35:18,366 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-11-22 14:35:18,367 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-22 14:35:18,367 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 14:35:18,367 INFO L85 PathProgramCache]: Analyzing trace with hash 223648705, now seen corresponding path program 1 times [2021-11-22 14:35:18,368 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 14:35:18,368 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [722000175] [2021-11-22 14:35:18,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 14:35:18,368 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 14:35:18,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 14:35:18,528 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 14:35:18,528 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 14:35:18,528 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [722000175] [2021-11-22 14:35:18,528 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [722000175] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 14:35:18,529 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 14:35:18,529 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-22 14:35:18,529 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1488524272] [2021-11-22 14:35:18,529 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 14:35:18,530 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 14:35:18,530 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 14:35:18,530 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 14:35:18,530 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 14:35:18,531 INFO L87 Difference]: Start difference. First operand 204 states and 223 transitions. Second operand has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 14:35:18,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 14:35:18,552 INFO L93 Difference]: Finished difference Result 323 states and 357 transitions. [2021-11-22 14:35:18,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 14:35:18,553 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 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 88 [2021-11-22 14:35:18,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 14:35:18,555 INFO L225 Difference]: With dead ends: 323 [2021-11-22 14:35:18,555 INFO L226 Difference]: Without dead ends: 206 [2021-11-22 14:35:18,555 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 14:35:18,556 INFO L933 BasicCegarLoop]: 177 mSDtfsCounter, 1 mSDsluCounter, 174 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 351 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-22 14:35:18,557 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1 Valid, 351 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-22 14:35:18,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206 states. [2021-11-22 14:35:18,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 206 to 205. [2021-11-22 14:35:18,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 205 states, 199 states have (on average 1.1256281407035176) internal successors, (224), 204 states have internal predecessors, (224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 14:35:18,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 224 transitions. [2021-11-22 14:35:18,568 INFO L78 Accepts]: Start accepts. Automaton has 205 states and 224 transitions. Word has length 88 [2021-11-22 14:35:18,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 14:35:18,568 INFO L470 AbstractCegarLoop]: Abstraction has 205 states and 224 transitions. [2021-11-22 14:35:18,569 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 14:35:18,569 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 224 transitions. [2021-11-22 14:35:18,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2021-11-22 14:35:18,570 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 14:35:18,570 INFO L514 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 14:35:18,570 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-11-22 14:35:18,570 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-22 14:35:18,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 14:35:18,571 INFO L85 PathProgramCache]: Analyzing trace with hash -891937281, now seen corresponding path program 1 times [2021-11-22 14:35:18,571 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 14:35:18,571 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [821362563] [2021-11-22 14:35:18,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 14:35:18,572 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 14:35:19,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 14:35:20,166 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 14:35:20,166 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 14:35:20,166 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [821362563] [2021-11-22 14:35:20,166 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [821362563] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-22 14:35:20,166 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1534347185] [2021-11-22 14:35:20,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 14:35:20,167 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 14:35:20,167 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dff6b21e-1657-47d9-9806-5d4ff0350ea9/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 14:35:20,169 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dff6b21e-1657-47d9-9806-5d4ff0350ea9/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-22 14:35:20,197 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dff6b21e-1657-47d9-9806-5d4ff0350ea9/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-22 14:35:20,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 14:35:20,695 INFO L263 TraceCheckSpWp]: Trace formula consists of 2580 conjuncts, 79 conjunts are in the unsatisfiable core [2021-11-22 14:35:20,708 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 14:35:21,001 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2021-11-22 14:35:21,826 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 14:35:21,828 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 9 [2021-11-22 14:35:22,103 INFO L354 Elim1Store]: treesize reduction 168, result has 18.0 percent of original size [2021-11-22 14:35:22,104 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 131 treesize of output 157 [2021-11-22 14:35:22,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:35:22,237 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 25 [2021-11-22 14:35:22,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:35:22,288 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 25 [2021-11-22 14:35:22,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:35:22,401 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 25 [2021-11-22 14:35:22,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:35:22,422 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 25 [2021-11-22 14:35:22,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:35:22,545 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 38 [2021-11-22 14:35:22,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:35:22,615 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 120 treesize of output 93 [2021-11-22 14:35:22,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:35:22,889 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 86 treesize of output 42 [2021-11-22 14:35:23,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:35:23,329 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 158 treesize of output 92 [2021-11-22 14:36:00,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:36:00,346 INFO L354 Elim1Store]: treesize reduction 326, result has 12.6 percent of original size [2021-11-22 14:36:00,347 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 14 case distinctions, treesize of input 356 treesize of output 221 [2021-11-22 14:36:04,135 INFO L354 Elim1Store]: treesize reduction 150, result has 36.2 percent of original size [2021-11-22 14:36:04,136 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 369 treesize of output 263 [2021-11-22 14:36:04,681 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 14:36:04,681 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-22 14:36:24,339 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_memset_impl_~sp~0#1.base_4| Int)) (or (forall ((|aux_mod_ULTIMATE.start_memset_impl_~i~4#1_62| Int)) (or (< 9223372036854775807 |aux_mod_ULTIMATE.start_memset_impl_~i~4#1_62|) (and (forall ((|aux_mod_ULTIMATE.start_memset_impl_~c#1_43| Int) (|ULTIMATE.start_memset_impl_~sp~0#1.offset| Int)) (or (not (= (mod (select (store (select (store |c_#memory_int| |v_ULTIMATE.start_memset_impl_~sp~0#1.base_4| (store (select |c_#memory_int| |v_ULTIMATE.start_memset_impl_~sp~0#1.base_4|) (+ (mod |aux_mod_ULTIMATE.start_memset_impl_~i~4#1_62| 18446744073709551616) |ULTIMATE.start_memset_impl_~sp~0#1.offset|) (mod |aux_mod_ULTIMATE.start_memset_impl_~c#1_43| 256))) |c_ULTIMATE.start_aws_byte_buf_secure_zero_~buf#1.base|) |c_ULTIMATE.start_aws_byte_buf_secure_zero_~buf#1.offset| 0) (+ 16 |c_ULTIMATE.start_aws_byte_buf_secure_zero_~buf#1.offset|)) 18446744073709551616) 0)) (< 127 |aux_mod_ULTIMATE.start_memset_impl_~c#1_43|) (< |aux_mod_ULTIMATE.start_memset_impl_~c#1_43| 0))) (forall ((|aux_mod_ULTIMATE.start_memset_impl_~c#1_43| Int) (|ULTIMATE.start_memset_impl_~sp~0#1.offset| Int)) (or (<= |aux_mod_ULTIMATE.start_memset_impl_~c#1_43| 127) (not (= (mod (select (store (select (store |c_#memory_int| |v_ULTIMATE.start_memset_impl_~sp~0#1.base_4| (store (select |c_#memory_int| |v_ULTIMATE.start_memset_impl_~sp~0#1.base_4|) (+ (mod |aux_mod_ULTIMATE.start_memset_impl_~i~4#1_62| 18446744073709551616) |ULTIMATE.start_memset_impl_~sp~0#1.offset|) (+ (- 256) (mod |aux_mod_ULTIMATE.start_memset_impl_~c#1_43| 256)))) |c_ULTIMATE.start_aws_byte_buf_secure_zero_~buf#1.base|) |c_ULTIMATE.start_aws_byte_buf_secure_zero_~buf#1.offset| 0) (+ 16 |c_ULTIMATE.start_aws_byte_buf_secure_zero_~buf#1.offset|)) 18446744073709551616) 0)) (<= 256 |aux_mod_ULTIMATE.start_memset_impl_~c#1_43|)))) (< |aux_mod_ULTIMATE.start_memset_impl_~i~4#1_62| 0))) (< |c_ULTIMATE.start_memset_impl_~s#1.base| |v_ULTIMATE.start_memset_impl_~sp~0#1.base_4|))) is different from false [2021-11-22 14:36:28,408 WARN L838 $PredicateComparison]: unable to prove that (forall ((|aux_mod_ULTIMATE.start_memset_impl_~i~4#1_62| Int) (|v_ULTIMATE.start_memset_impl_~sp~0#1.base_4| Int)) (or (< 9223372036854775807 |aux_mod_ULTIMATE.start_memset_impl_~i~4#1_62|) (and (forall ((|aux_mod_ULTIMATE.start_memset_impl_~c#1_43| Int) (|ULTIMATE.start_memset_impl_~sp~0#1.offset| Int)) (or (not (= (mod (select (store (select (store |c_#memory_int| |v_ULTIMATE.start_memset_impl_~sp~0#1.base_4| (store (select |c_#memory_int| |v_ULTIMATE.start_memset_impl_~sp~0#1.base_4|) (+ (mod |aux_mod_ULTIMATE.start_memset_impl_~i~4#1_62| 18446744073709551616) |ULTIMATE.start_memset_impl_~sp~0#1.offset|) (mod |aux_mod_ULTIMATE.start_memset_impl_~c#1_43| 256))) |c_ULTIMATE.start_aws_byte_buf_secure_zero_~buf#1.base|) |c_ULTIMATE.start_aws_byte_buf_secure_zero_~buf#1.offset| 0) (+ 16 |c_ULTIMATE.start_aws_byte_buf_secure_zero_~buf#1.offset|)) 18446744073709551616) 0)) (< 127 |aux_mod_ULTIMATE.start_memset_impl_~c#1_43|) (< |aux_mod_ULTIMATE.start_memset_impl_~c#1_43| 0))) (forall ((|aux_mod_ULTIMATE.start_memset_impl_~c#1_43| Int) (|ULTIMATE.start_memset_impl_~sp~0#1.offset| Int)) (or (<= |aux_mod_ULTIMATE.start_memset_impl_~c#1_43| 127) (not (= (mod (select (store (select (store |c_#memory_int| |v_ULTIMATE.start_memset_impl_~sp~0#1.base_4| (store (select |c_#memory_int| |v_ULTIMATE.start_memset_impl_~sp~0#1.base_4|) (+ (mod |aux_mod_ULTIMATE.start_memset_impl_~i~4#1_62| 18446744073709551616) |ULTIMATE.start_memset_impl_~sp~0#1.offset|) (+ (- 256) (mod |aux_mod_ULTIMATE.start_memset_impl_~c#1_43| 256)))) |c_ULTIMATE.start_aws_byte_buf_secure_zero_~buf#1.base|) |c_ULTIMATE.start_aws_byte_buf_secure_zero_~buf#1.offset| 0) (+ 16 |c_ULTIMATE.start_aws_byte_buf_secure_zero_~buf#1.offset|)) 18446744073709551616) 0)) (<= 256 |aux_mod_ULTIMATE.start_memset_impl_~c#1_43|)))) (< (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_aws_byte_buf_secure_zero_~buf#1.base|) (+ 8 |c_ULTIMATE.start_aws_byte_buf_secure_zero_~buf#1.offset|)) |v_ULTIMATE.start_memset_impl_~sp~0#1.base_4|) (< |aux_mod_ULTIMATE.start_memset_impl_~i~4#1_62| 0))) is different from false [2021-11-22 14:36:40,192 INFO L354 Elim1Store]: treesize reduction 52, result has 61.5 percent of original size [2021-11-22 14:36:40,192 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 102 treesize of output 148 [2021-11-22 14:36:40,214 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-22 14:36:40,215 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 148 treesize of output 166 [2021-11-22 14:36:40,247 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-22 14:36:40,247 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 166 treesize of output 184 [2021-11-22 14:36:40,553 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2021-11-22 14:36:41,440 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 14:36:41,446 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 6 [2021-11-22 14:36:45,526 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 21 [2021-11-22 14:36:45,591 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2021-11-22 14:36:45,712 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 14:36:45,728 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-22 14:36:45,728 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 171 treesize of output 145 [2021-11-22 14:36:46,355 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 14:36:46,384 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-22 14:36:46,385 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 418 treesize of output 382 [2021-11-22 14:36:49,776 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 14:36:49,779 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 6 [2021-11-22 14:36:49,848 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 14:36:49,852 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 6 [2021-11-22 14:36:49,919 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 14:36:49,923 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 14:36:49,924 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 24 [2021-11-22 14:36:50,047 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 14:36:50,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:36:50,056 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 24 [2021-11-22 14:36:50,356 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 18 [2021-11-22 14:36:50,547 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 14:36:50,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:36:50,553 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 61 [2021-11-22 14:36:50,941 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-22 14:36:50,941 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 98 treesize of output 84 [2021-11-22 14:36:51,426 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 32 [2021-11-22 14:36:51,614 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 14:36:51,615 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1534347185] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-22 14:36:51,615 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-22 14:36:51,615 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 16, 15] total 43 [2021-11-22 14:36:51,615 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1015530599] [2021-11-22 14:36:51,615 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-22 14:36:51,616 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 43 states [2021-11-22 14:36:51,616 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 14:36:51,617 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2021-11-22 14:36:51,618 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=127, Invalid=1507, Unknown=14, NotChecked=158, Total=1806 [2021-11-22 14:36:51,619 INFO L87 Difference]: Start difference. First operand 205 states and 224 transitions. Second operand has 43 states, 43 states have (on average 5.604651162790698) internal successors, (241), 43 states have internal predecessors, (241), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 14:36:55,017 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse2 (= (mod (select (select |c_#memory_int| |c_ULTIMATE.start_aws_byte_buf_is_valid_~buf#1.base|) (+ 16 |c_ULTIMATE.start_aws_byte_buf_is_valid_~buf#1.offset|)) 18446744073709551616) 0))) (let ((.cse1 (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_aws_byte_buf_clean_up_secure_harness_~#buf~3#1.base|)) (.cse5 (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_aws_byte_buf_clean_up_secure_~buf#1.base|) 8)) (.cse3 (not .cse2)) (.cse0 (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_aws_byte_buf_secure_zero_~buf#1.base|)) (.cse4 (not |c_ULTIMATE.start_aws_byte_buf_is_valid_#t~short615#1|))) (and (not (= |c_ULTIMATE.start_aws_byte_buf_secure_zero_~buf#1.base| (select .cse0 (+ 8 |c_ULTIMATE.start_aws_byte_buf_secure_zero_~buf#1.offset|)))) (< (+ (select .cse1 (+ |c_ULTIMATE.start_aws_byte_buf_clean_up_secure_harness_~#buf~3#1.offset| 8)) 1) |c_ULTIMATE.start_aws_byte_buf_clean_up_secure_harness_~#buf~3#1.base|) (= |c_ULTIMATE.start_aws_byte_buf_clean_up_secure_harness_~#buf~3#1.offset| 0) (not (= |c_ULTIMATE.start_ensure_byte_buf_has_allocated_buffer_member_~buf#1.base| 0)) (not (= |c_ULTIMATE.start_aws_byte_buf_secure_zero_~buf#1.base| 0)) (= |c_ULTIMATE.start_aws_byte_buf_is_valid_~buf#1.offset| |c_ULTIMATE.start_aws_byte_buf_secure_zero_~buf#1.offset|) (< (+ |c_ULTIMATE.start_bounded_malloc_#res#1.base| 1) |c_ULTIMATE.start_aws_byte_buf_clean_up_secure_harness_~#buf~3#1.base|) (= |c_ULTIMATE.start_aws_byte_buf_clean_up_secure_~buf#1.base| |c_ULTIMATE.start_aws_byte_buf_is_valid_~buf#1.base|) (= |c_ULTIMATE.start_ensure_byte_buf_has_allocated_buffer_member_~buf#1.offset| |c_ULTIMATE.start_aws_byte_buf_clean_up_secure_harness_~#buf~3#1.offset|) (= |c_ULTIMATE.start_aws_byte_buf_secure_zero_~buf#1.offset| 0) (or (and .cse2 |c_ULTIMATE.start_aws_byte_buf_is_valid_#t~short615#1|) (and .cse3 .cse4)) (not (= (select .cse1 8) |c_ULTIMATE.start_aws_byte_buf_clean_up_secure_harness_~#buf~3#1.base|)) (not (= |c_ULTIMATE.start_aws_byte_buf_clean_up_secure_~buf#1.base| .cse5)) (not (= |c_ULTIMATE.start_aws_byte_buf_clean_up_secure_~buf#1.base| 0)) (< (+ .cse5 1) |c_ULTIMATE.start_aws_byte_buf_clean_up_secure_~buf#1.base|) (= |c_ULTIMATE.start_aws_byte_buf_secure_zero_~buf#1.base| |c_ULTIMATE.start_aws_byte_buf_is_valid_~buf#1.base|) .cse3 (< |c_#StackHeapBarrier| |c_ULTIMATE.start_aws_byte_buf_clean_up_secure_harness_~#buf~3#1.base|) (forall ((|aux_mod_ULTIMATE.start_memset_impl_~i~4#1_62| Int) (|v_ULTIMATE.start_memset_impl_~sp~0#1.base_4| Int)) (or (< 9223372036854775807 |aux_mod_ULTIMATE.start_memset_impl_~i~4#1_62|) (and (forall ((|aux_mod_ULTIMATE.start_memset_impl_~c#1_43| Int) (|ULTIMATE.start_memset_impl_~sp~0#1.offset| Int)) (or (not (= (mod (select (store (select (store |c_#memory_int| |v_ULTIMATE.start_memset_impl_~sp~0#1.base_4| (store (select |c_#memory_int| |v_ULTIMATE.start_memset_impl_~sp~0#1.base_4|) (+ (mod |aux_mod_ULTIMATE.start_memset_impl_~i~4#1_62| 18446744073709551616) |ULTIMATE.start_memset_impl_~sp~0#1.offset|) (mod |aux_mod_ULTIMATE.start_memset_impl_~c#1_43| 256))) |c_ULTIMATE.start_aws_byte_buf_secure_zero_~buf#1.base|) |c_ULTIMATE.start_aws_byte_buf_secure_zero_~buf#1.offset| 0) (+ 16 |c_ULTIMATE.start_aws_byte_buf_secure_zero_~buf#1.offset|)) 18446744073709551616) 0)) (< 127 |aux_mod_ULTIMATE.start_memset_impl_~c#1_43|) (< |aux_mod_ULTIMATE.start_memset_impl_~c#1_43| 0))) (forall ((|aux_mod_ULTIMATE.start_memset_impl_~c#1_43| Int) (|ULTIMATE.start_memset_impl_~sp~0#1.offset| Int)) (or (<= |aux_mod_ULTIMATE.start_memset_impl_~c#1_43| 127) (not (= (mod (select (store (select (store |c_#memory_int| |v_ULTIMATE.start_memset_impl_~sp~0#1.base_4| (store (select |c_#memory_int| |v_ULTIMATE.start_memset_impl_~sp~0#1.base_4|) (+ (mod |aux_mod_ULTIMATE.start_memset_impl_~i~4#1_62| 18446744073709551616) |ULTIMATE.start_memset_impl_~sp~0#1.offset|) (+ (- 256) (mod |aux_mod_ULTIMATE.start_memset_impl_~c#1_43| 256)))) |c_ULTIMATE.start_aws_byte_buf_secure_zero_~buf#1.base|) |c_ULTIMATE.start_aws_byte_buf_secure_zero_~buf#1.offset| 0) (+ 16 |c_ULTIMATE.start_aws_byte_buf_secure_zero_~buf#1.offset|)) 18446744073709551616) 0)) (<= 256 |aux_mod_ULTIMATE.start_memset_impl_~c#1_43|)))) (< (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_aws_byte_buf_secure_zero_~buf#1.base|) (+ 8 |c_ULTIMATE.start_aws_byte_buf_secure_zero_~buf#1.offset|)) |v_ULTIMATE.start_memset_impl_~sp~0#1.base_4|) (< |aux_mod_ULTIMATE.start_memset_impl_~i~4#1_62| 0))) (not (= |c_ULTIMATE.start_bounded_malloc_#res#1.base| |c_ULTIMATE.start_aws_byte_buf_clean_up_secure_harness_~#buf~3#1.base|)) (not (= (select |c_#valid| |c_ULTIMATE.start_aws_byte_buf_clean_up_secure_harness_~#buf~3#1.base|) 0)) (< (+ (select .cse0 8) 1) |c_ULTIMATE.start_aws_byte_buf_secure_zero_~buf#1.base|) .cse4 (not (= 0 |c_ULTIMATE.start_aws_byte_buf_clean_up_secure_harness_~#buf~3#1.base|)) (= |c_ULTIMATE.start_ensure_byte_buf_has_allocated_buffer_member_~buf#1.base| |c_ULTIMATE.start_aws_byte_buf_clean_up_secure_harness_~#buf~3#1.base|) (= |c_ULTIMATE.start_aws_byte_buf_is_valid_~buf#1.offset| 0) (= |c_ULTIMATE.start_aws_byte_buf_clean_up_secure_~buf#1.offset| 0) (= |c_ULTIMATE.start_ensure_byte_buf_has_allocated_buffer_member_~buf#1.offset| 0)))) is different from false [2021-11-22 14:36:57,022 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse0 (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_aws_byte_buf_secure_zero_~buf#1.base|))) (and (not (= |c_ULTIMATE.start_aws_byte_buf_secure_zero_~buf#1.base| (select .cse0 (+ 8 |c_ULTIMATE.start_aws_byte_buf_secure_zero_~buf#1.offset|)))) (not (= |c_ULTIMATE.start_aws_byte_buf_secure_zero_~buf#1.base| 0)) (= |c_ULTIMATE.start_aws_byte_buf_is_valid_~buf#1.offset| |c_ULTIMATE.start_aws_byte_buf_secure_zero_~buf#1.offset|) (= |c_ULTIMATE.start_aws_byte_buf_secure_zero_~buf#1.offset| 0) (= |c_ULTIMATE.start_aws_byte_buf_secure_zero_~buf#1.base| |c_ULTIMATE.start_aws_byte_buf_is_valid_~buf#1.base|) (not (= (mod (select (select |c_#memory_int| |c_ULTIMATE.start_aws_byte_buf_is_valid_~buf#1.base|) (+ 16 |c_ULTIMATE.start_aws_byte_buf_is_valid_~buf#1.offset|)) 18446744073709551616) 0)) (forall ((|aux_mod_ULTIMATE.start_memset_impl_~i~4#1_62| Int) (|v_ULTIMATE.start_memset_impl_~sp~0#1.base_4| Int)) (or (< 9223372036854775807 |aux_mod_ULTIMATE.start_memset_impl_~i~4#1_62|) (and (forall ((|aux_mod_ULTIMATE.start_memset_impl_~c#1_43| Int) (|ULTIMATE.start_memset_impl_~sp~0#1.offset| Int)) (or (not (= (mod (select (store (select (store |c_#memory_int| |v_ULTIMATE.start_memset_impl_~sp~0#1.base_4| (store (select |c_#memory_int| |v_ULTIMATE.start_memset_impl_~sp~0#1.base_4|) (+ (mod |aux_mod_ULTIMATE.start_memset_impl_~i~4#1_62| 18446744073709551616) |ULTIMATE.start_memset_impl_~sp~0#1.offset|) (mod |aux_mod_ULTIMATE.start_memset_impl_~c#1_43| 256))) |c_ULTIMATE.start_aws_byte_buf_secure_zero_~buf#1.base|) |c_ULTIMATE.start_aws_byte_buf_secure_zero_~buf#1.offset| 0) (+ 16 |c_ULTIMATE.start_aws_byte_buf_secure_zero_~buf#1.offset|)) 18446744073709551616) 0)) (< 127 |aux_mod_ULTIMATE.start_memset_impl_~c#1_43|) (< |aux_mod_ULTIMATE.start_memset_impl_~c#1_43| 0))) (forall ((|aux_mod_ULTIMATE.start_memset_impl_~c#1_43| Int) (|ULTIMATE.start_memset_impl_~sp~0#1.offset| Int)) (or (<= |aux_mod_ULTIMATE.start_memset_impl_~c#1_43| 127) (not (= (mod (select (store (select (store |c_#memory_int| |v_ULTIMATE.start_memset_impl_~sp~0#1.base_4| (store (select |c_#memory_int| |v_ULTIMATE.start_memset_impl_~sp~0#1.base_4|) (+ (mod |aux_mod_ULTIMATE.start_memset_impl_~i~4#1_62| 18446744073709551616) |ULTIMATE.start_memset_impl_~sp~0#1.offset|) (+ (- 256) (mod |aux_mod_ULTIMATE.start_memset_impl_~c#1_43| 256)))) |c_ULTIMATE.start_aws_byte_buf_secure_zero_~buf#1.base|) |c_ULTIMATE.start_aws_byte_buf_secure_zero_~buf#1.offset| 0) (+ 16 |c_ULTIMATE.start_aws_byte_buf_secure_zero_~buf#1.offset|)) 18446744073709551616) 0)) (<= 256 |aux_mod_ULTIMATE.start_memset_impl_~c#1_43|)))) (< (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_aws_byte_buf_secure_zero_~buf#1.base|) (+ 8 |c_ULTIMATE.start_aws_byte_buf_secure_zero_~buf#1.offset|)) |v_ULTIMATE.start_memset_impl_~sp~0#1.base_4|) (< |aux_mod_ULTIMATE.start_memset_impl_~i~4#1_62| 0))) (< (+ (select .cse0 8) 1) |c_ULTIMATE.start_aws_byte_buf_secure_zero_~buf#1.base|))) is different from false [2021-11-22 14:36:59,027 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse0 (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_aws_byte_buf_secure_zero_~buf#1.base|))) (and (not (= |c_ULTIMATE.start_aws_byte_buf_secure_zero_~buf#1.base| (select .cse0 (+ 8 |c_ULTIMATE.start_aws_byte_buf_secure_zero_~buf#1.offset|)))) (not (= (mod (select (select |c_#memory_int| |c_ULTIMATE.start_aws_byte_buf_secure_zero_~buf#1.base|) (+ 16 |c_ULTIMATE.start_aws_byte_buf_secure_zero_~buf#1.offset|)) 18446744073709551616) 0)) (not (= |c_ULTIMATE.start_aws_byte_buf_secure_zero_~buf#1.base| 0)) (= |c_ULTIMATE.start_aws_byte_buf_secure_zero_~buf#1.offset| 0) (forall ((|aux_mod_ULTIMATE.start_memset_impl_~i~4#1_62| Int) (|v_ULTIMATE.start_memset_impl_~sp~0#1.base_4| Int)) (or (< 9223372036854775807 |aux_mod_ULTIMATE.start_memset_impl_~i~4#1_62|) (and (forall ((|aux_mod_ULTIMATE.start_memset_impl_~c#1_43| Int) (|ULTIMATE.start_memset_impl_~sp~0#1.offset| Int)) (or (not (= (mod (select (store (select (store |c_#memory_int| |v_ULTIMATE.start_memset_impl_~sp~0#1.base_4| (store (select |c_#memory_int| |v_ULTIMATE.start_memset_impl_~sp~0#1.base_4|) (+ (mod |aux_mod_ULTIMATE.start_memset_impl_~i~4#1_62| 18446744073709551616) |ULTIMATE.start_memset_impl_~sp~0#1.offset|) (mod |aux_mod_ULTIMATE.start_memset_impl_~c#1_43| 256))) |c_ULTIMATE.start_aws_byte_buf_secure_zero_~buf#1.base|) |c_ULTIMATE.start_aws_byte_buf_secure_zero_~buf#1.offset| 0) (+ 16 |c_ULTIMATE.start_aws_byte_buf_secure_zero_~buf#1.offset|)) 18446744073709551616) 0)) (< 127 |aux_mod_ULTIMATE.start_memset_impl_~c#1_43|) (< |aux_mod_ULTIMATE.start_memset_impl_~c#1_43| 0))) (forall ((|aux_mod_ULTIMATE.start_memset_impl_~c#1_43| Int) (|ULTIMATE.start_memset_impl_~sp~0#1.offset| Int)) (or (<= |aux_mod_ULTIMATE.start_memset_impl_~c#1_43| 127) (not (= (mod (select (store (select (store |c_#memory_int| |v_ULTIMATE.start_memset_impl_~sp~0#1.base_4| (store (select |c_#memory_int| |v_ULTIMATE.start_memset_impl_~sp~0#1.base_4|) (+ (mod |aux_mod_ULTIMATE.start_memset_impl_~i~4#1_62| 18446744073709551616) |ULTIMATE.start_memset_impl_~sp~0#1.offset|) (+ (- 256) (mod |aux_mod_ULTIMATE.start_memset_impl_~c#1_43| 256)))) |c_ULTIMATE.start_aws_byte_buf_secure_zero_~buf#1.base|) |c_ULTIMATE.start_aws_byte_buf_secure_zero_~buf#1.offset| 0) (+ 16 |c_ULTIMATE.start_aws_byte_buf_secure_zero_~buf#1.offset|)) 18446744073709551616) 0)) (<= 256 |aux_mod_ULTIMATE.start_memset_impl_~c#1_43|)))) (< (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_aws_byte_buf_secure_zero_~buf#1.base|) (+ 8 |c_ULTIMATE.start_aws_byte_buf_secure_zero_~buf#1.offset|)) |v_ULTIMATE.start_memset_impl_~sp~0#1.base_4|) (< |aux_mod_ULTIMATE.start_memset_impl_~i~4#1_62| 0))) (< (+ (select .cse0 8) 1) |c_ULTIMATE.start_aws_byte_buf_secure_zero_~buf#1.base|))) is different from false [2021-11-22 14:37:01,044 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse0 (select |c_#memory_int| |c_ULTIMATE.start_aws_byte_buf_secure_zero_~buf#1.base|))) (and (not (= (mod (select .cse0 (+ 16 |c_ULTIMATE.start_aws_byte_buf_secure_zero_~buf#1.offset|)) 18446744073709551616) 0)) (< (+ |c_ULTIMATE.start_memset_impl_~s#1.base| 1) |c_ULTIMATE.start_aws_byte_buf_secure_zero_~buf#1.base|) (= |c_ULTIMATE.start_aws_byte_buf_secure_zero_~buf#1.offset| 0) (not (= |c_ULTIMATE.start_memset_impl_~s#1.base| |c_ULTIMATE.start_aws_byte_buf_secure_zero_~buf#1.base|)) (forall ((|v_ULTIMATE.start_memset_impl_~sp~0#1.base_4| Int)) (or (forall ((|aux_mod_ULTIMATE.start_memset_impl_~i~4#1_62| Int)) (or (< 9223372036854775807 |aux_mod_ULTIMATE.start_memset_impl_~i~4#1_62|) (and (forall ((|aux_mod_ULTIMATE.start_memset_impl_~c#1_43| Int) (|ULTIMATE.start_memset_impl_~sp~0#1.offset| Int)) (or (not (= (mod (select (store (select (store |c_#memory_int| |v_ULTIMATE.start_memset_impl_~sp~0#1.base_4| (store (select |c_#memory_int| |v_ULTIMATE.start_memset_impl_~sp~0#1.base_4|) (+ (mod |aux_mod_ULTIMATE.start_memset_impl_~i~4#1_62| 18446744073709551616) |ULTIMATE.start_memset_impl_~sp~0#1.offset|) (mod |aux_mod_ULTIMATE.start_memset_impl_~c#1_43| 256))) |c_ULTIMATE.start_aws_byte_buf_secure_zero_~buf#1.base|) |c_ULTIMATE.start_aws_byte_buf_secure_zero_~buf#1.offset| 0) (+ 16 |c_ULTIMATE.start_aws_byte_buf_secure_zero_~buf#1.offset|)) 18446744073709551616) 0)) (< 127 |aux_mod_ULTIMATE.start_memset_impl_~c#1_43|) (< |aux_mod_ULTIMATE.start_memset_impl_~c#1_43| 0))) (forall ((|aux_mod_ULTIMATE.start_memset_impl_~c#1_43| Int) (|ULTIMATE.start_memset_impl_~sp~0#1.offset| Int)) (or (<= |aux_mod_ULTIMATE.start_memset_impl_~c#1_43| 127) (not (= (mod (select (store (select (store |c_#memory_int| |v_ULTIMATE.start_memset_impl_~sp~0#1.base_4| (store (select |c_#memory_int| |v_ULTIMATE.start_memset_impl_~sp~0#1.base_4|) (+ (mod |aux_mod_ULTIMATE.start_memset_impl_~i~4#1_62| 18446744073709551616) |ULTIMATE.start_memset_impl_~sp~0#1.offset|) (+ (- 256) (mod |aux_mod_ULTIMATE.start_memset_impl_~c#1_43| 256)))) |c_ULTIMATE.start_aws_byte_buf_secure_zero_~buf#1.base|) |c_ULTIMATE.start_aws_byte_buf_secure_zero_~buf#1.offset| 0) (+ 16 |c_ULTIMATE.start_aws_byte_buf_secure_zero_~buf#1.offset|)) 18446744073709551616) 0)) (<= 256 |aux_mod_ULTIMATE.start_memset_impl_~c#1_43|)))) (< |aux_mod_ULTIMATE.start_memset_impl_~i~4#1_62| 0))) (< |c_ULTIMATE.start_memset_impl_~s#1.base| |v_ULTIMATE.start_memset_impl_~sp~0#1.base_4|))) (= (select .cse0 16) |c_ULTIMATE.start_memset_impl_~n#1|))) is different from false [2021-11-22 14:37:13,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 14:37:13,060 INFO L93 Difference]: Finished difference Result 353 states and 387 transitions. [2021-11-22 14:37:13,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-11-22 14:37:13,061 INFO L78 Accepts]: Start accepts. Automaton has has 43 states, 43 states have (on average 5.604651162790698) internal successors, (241), 43 states have internal predecessors, (241), 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 90 [2021-11-22 14:37:13,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 14:37:13,063 INFO L225 Difference]: With dead ends: 353 [2021-11-22 14:37:13,063 INFO L226 Difference]: Without dead ends: 252 [2021-11-22 14:37:13,065 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 212 GetRequests, 155 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 6 IntricatePredicates, 0 DeprecatedPredicates, 443 ImplicationChecksByTransitivity, 60.2s TimeCoverageRelationStatistics Valid=341, Invalid=2418, Unknown=21, NotChecked=642, Total=3422 [2021-11-22 14:37:13,065 INFO L933 BasicCegarLoop]: 146 mSDtfsCounter, 490 mSDsluCounter, 3075 mSDsCounter, 0 mSdLazyCounter, 789 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 490 SdHoareTripleChecker+Valid, 3221 SdHoareTripleChecker+Invalid, 1192 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 789 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 372 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2021-11-22 14:37:13,066 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [490 Valid, 3221 Invalid, 1192 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 789 Invalid, 0 Unknown, 372 Unchecked, 1.3s Time] [2021-11-22 14:37:13,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 252 states. [2021-11-22 14:37:13,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 252 to 226. [2021-11-22 14:37:13,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 226 states, 220 states have (on average 1.1181818181818182) internal successors, (246), 225 states have internal predecessors, (246), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 14:37:13,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 246 transitions. [2021-11-22 14:37:13,083 INFO L78 Accepts]: Start accepts. Automaton has 226 states and 246 transitions. Word has length 90 [2021-11-22 14:37:13,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 14:37:13,084 INFO L470 AbstractCegarLoop]: Abstraction has 226 states and 246 transitions. [2021-11-22 14:37:13,084 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 43 states, 43 states have (on average 5.604651162790698) internal successors, (241), 43 states have internal predecessors, (241), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 14:37:13,085 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 246 transitions. [2021-11-22 14:37:13,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2021-11-22 14:37:13,086 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 14:37:13,086 INFO L514 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 14:37:13,137 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dff6b21e-1657-47d9-9806-5d4ff0350ea9/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-22 14:37:13,302 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dff6b21e-1657-47d9-9806-5d4ff0350ea9/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2021-11-22 14:37:13,302 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-22 14:37:13,303 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 14:37:13,303 INFO L85 PathProgramCache]: Analyzing trace with hash -1644889093, now seen corresponding path program 1 times [2021-11-22 14:37:13,303 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 14:37:13,303 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2047005787] [2021-11-22 14:37:13,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 14:37:13,304 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 14:37:13,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 14:37:13,604 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 14:37:13,604 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 14:37:13,604 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2047005787] [2021-11-22 14:37:13,605 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2047005787] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 14:37:13,605 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 14:37:13,605 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-22 14:37:13,605 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [51816192] [2021-11-22 14:37:13,606 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 14:37:13,607 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-22 14:37:13,607 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 14:37:13,608 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-22 14:37:13,608 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-22 14:37:13,608 INFO L87 Difference]: Start difference. First operand 226 states and 246 transitions. Second operand has 5 states, 5 states have (on average 18.0) internal successors, (90), 5 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 14:37:13,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 14:37:13,983 INFO L93 Difference]: Finished difference Result 363 states and 395 transitions. [2021-11-22 14:37:13,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-22 14:37:13,984 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.0) internal successors, (90), 5 states have internal predecessors, (90), 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 90 [2021-11-22 14:37:13,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 14:37:13,986 INFO L225 Difference]: With dead ends: 363 [2021-11-22 14:37:13,986 INFO L226 Difference]: Without dead ends: 273 [2021-11-22 14:37:13,987 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-22 14:37:13,987 INFO L933 BasicCegarLoop]: 199 mSDtfsCounter, 247 mSDsluCounter, 244 mSDsCounter, 0 mSdLazyCounter, 131 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 247 SdHoareTripleChecker+Valid, 443 SdHoareTripleChecker+Invalid, 159 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 131 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-11-22 14:37:13,988 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [247 Valid, 443 Invalid, 159 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 131 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-11-22 14:37:13,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 273 states. [2021-11-22 14:37:14,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 273 to 226. [2021-11-22 14:37:14,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 226 states, 220 states have (on average 1.1090909090909091) internal successors, (244), 225 states have internal predecessors, (244), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 14:37:14,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 244 transitions. [2021-11-22 14:37:14,006 INFO L78 Accepts]: Start accepts. Automaton has 226 states and 244 transitions. Word has length 90 [2021-11-22 14:37:14,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 14:37:14,006 INFO L470 AbstractCegarLoop]: Abstraction has 226 states and 244 transitions. [2021-11-22 14:37:14,007 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.0) internal successors, (90), 5 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 14:37:14,007 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 244 transitions. [2021-11-22 14:37:14,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2021-11-22 14:37:14,008 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 14:37:14,008 INFO L514 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 14:37:14,009 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-11-22 14:37:14,009 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-22 14:37:14,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 14:37:14,010 INFO L85 PathProgramCache]: Analyzing trace with hash -1735942783, now seen corresponding path program 1 times [2021-11-22 14:37:14,010 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 14:37:14,010 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [424466629] [2021-11-22 14:37:14,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 14:37:14,011 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 14:37:14,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 14:37:14,452 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 14:37:14,453 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 14:37:14,453 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [424466629] [2021-11-22 14:37:14,453 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [424466629] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 14:37:14,453 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 14:37:14,453 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-22 14:37:14,453 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [979177238] [2021-11-22 14:37:14,453 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 14:37:14,454 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-22 14:37:14,454 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 14:37:14,454 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-22 14:37:14,455 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2021-11-22 14:37:14,455 INFO L87 Difference]: Start difference. First operand 226 states and 244 transitions. Second operand has 10 states, 10 states have (on average 9.0) internal successors, (90), 10 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 14:37:15,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 14:37:15,373 INFO L93 Difference]: Finished difference Result 424 states and 458 transitions. [2021-11-22 14:37:15,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-22 14:37:15,374 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 9.0) internal successors, (90), 10 states have internal predecessors, (90), 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 90 [2021-11-22 14:37:15,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 14:37:15,375 INFO L225 Difference]: With dead ends: 424 [2021-11-22 14:37:15,375 INFO L226 Difference]: Without dead ends: 293 [2021-11-22 14:37:15,376 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=76, Invalid=196, Unknown=0, NotChecked=0, Total=272 [2021-11-22 14:37:15,377 INFO L933 BasicCegarLoop]: 173 mSDtfsCounter, 568 mSDsluCounter, 591 mSDsCounter, 0 mSdLazyCounter, 367 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 568 SdHoareTripleChecker+Valid, 764 SdHoareTripleChecker+Invalid, 419 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 367 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2021-11-22 14:37:15,377 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [568 Valid, 764 Invalid, 419 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 367 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2021-11-22 14:37:15,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 293 states. [2021-11-22 14:37:15,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 293 to 243. [2021-11-22 14:37:15,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 243 states, 237 states have (on average 1.1012658227848102) internal successors, (261), 242 states have internal predecessors, (261), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 14:37:15,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 243 states and 261 transitions. [2021-11-22 14:37:15,406 INFO L78 Accepts]: Start accepts. Automaton has 243 states and 261 transitions. Word has length 90 [2021-11-22 14:37:15,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 14:37:15,407 INFO L470 AbstractCegarLoop]: Abstraction has 243 states and 261 transitions. [2021-11-22 14:37:15,407 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 9.0) internal successors, (90), 10 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 14:37:15,407 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 261 transitions. [2021-11-22 14:37:15,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2021-11-22 14:37:15,408 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 14:37:15,408 INFO L514 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 14:37:15,409 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-11-22 14:37:15,409 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-22 14:37:15,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 14:37:15,410 INFO L85 PathProgramCache]: Analyzing trace with hash -690228927, now seen corresponding path program 1 times [2021-11-22 14:37:15,410 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 14:37:15,411 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [71705411] [2021-11-22 14:37:15,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 14:37:15,411 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 14:37:16,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 14:37:17,057 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 14:37:17,057 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 14:37:17,058 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [71705411] [2021-11-22 14:37:17,058 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [71705411] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-22 14:37:17,058 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1345503617] [2021-11-22 14:37:17,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 14:37:17,058 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 14:37:17,059 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dff6b21e-1657-47d9-9806-5d4ff0350ea9/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 14:37:17,060 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dff6b21e-1657-47d9-9806-5d4ff0350ea9/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-22 14:37:17,082 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dff6b21e-1657-47d9-9806-5d4ff0350ea9/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-22 14:37:17,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 14:37:17,556 INFO L263 TraceCheckSpWp]: Trace formula consists of 2595 conjuncts, 79 conjunts are in the unsatisfiable core [2021-11-22 14:37:17,567 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 14:37:17,837 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2021-11-22 14:37:18,730 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 14:37:18,731 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 9 [2021-11-22 14:37:19,002 INFO L354 Elim1Store]: treesize reduction 168, result has 18.0 percent of original size [2021-11-22 14:37:19,003 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 131 treesize of output 157 [2021-11-22 14:37:19,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:37:19,059 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 25 [2021-11-22 14:37:19,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:37:19,157 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 25 [2021-11-22 14:37:19,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:37:19,280 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 25 [2021-11-22 14:37:19,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:37:19,319 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 25 [2021-11-22 14:37:19,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:37:19,463 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 23 [2021-11-22 14:37:19,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:37:19,511 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 23 [2021-11-22 14:37:22,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:37:22,868 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 146 treesize of output 80 [2021-11-22 14:37:23,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:37:23,835 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 86 treesize of output 42 [2021-11-22 14:37:58,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:37:58,163 INFO L354 Elim1Store]: treesize reduction 326, result has 12.6 percent of original size [2021-11-22 14:37:58,164 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 14 case distinctions, treesize of input 382 treesize of output 235 [2021-11-22 14:38:01,928 INFO L354 Elim1Store]: treesize reduction 150, result has 36.2 percent of original size [2021-11-22 14:38:01,929 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 391 treesize of output 277