./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_priority_queue_init_dynamic_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8393723b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f0e2b05-5152-4ab8-96fb-6157580e7ab9/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f0e2b05-5152-4ab8-96fb-6157580e7ab9/bin/utaipan-I9t0OCRTmS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f0e2b05-5152-4ab8-96fb-6157580e7ab9/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f0e2b05-5152-4ab8-96fb-6157580e7ab9/bin/utaipan-I9t0OCRTmS/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_priority_queue_init_dynamic_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f0e2b05-5152-4ab8-96fb-6157580e7ab9/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f0e2b05-5152-4ab8-96fb-6157580e7ab9/bin/utaipan-I9t0OCRTmS --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash fd704c0997d5526a33ae946f9f6b6d8e05b412ad44e87cb653981b428eeb987a --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-8393723 [2022-11-19 07:54:05,601 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 07:54:05,603 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 07:54:05,625 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 07:54:05,625 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 07:54:05,626 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 07:54:05,628 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 07:54:05,630 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 07:54:05,632 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 07:54:05,632 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 07:54:05,633 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 07:54:05,635 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 07:54:05,635 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 07:54:05,636 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 07:54:05,637 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 07:54:05,639 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 07:54:05,640 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 07:54:05,641 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 07:54:05,643 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 07:54:05,645 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 07:54:05,646 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 07:54:05,648 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 07:54:05,649 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 07:54:05,650 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 07:54:05,654 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 07:54:05,654 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 07:54:05,655 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 07:54:05,656 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 07:54:05,657 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 07:54:05,658 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 07:54:05,658 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 07:54:05,659 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 07:54:05,660 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 07:54:05,661 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 07:54:05,662 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 07:54:05,662 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 07:54:05,663 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 07:54:05,664 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 07:54:05,664 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 07:54:05,665 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 07:54:05,666 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 07:54:05,667 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f0e2b05-5152-4ab8-96fb-6157580e7ab9/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-19 07:54:05,693 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 07:54:05,693 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 07:54:05,694 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 07:54:05,694 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 07:54:05,695 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 07:54:05,695 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 07:54:05,695 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 07:54:05,695 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 07:54:05,696 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 07:54:05,696 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-19 07:54:05,696 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 07:54:05,696 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 07:54:05,697 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-19 07:54:05,697 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-19 07:54:05,697 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 07:54:05,697 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-19 07:54:05,697 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-19 07:54:05,698 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-19 07:54:05,698 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 07:54:05,699 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-19 07:54:05,699 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 07:54:05,699 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-19 07:54:05,699 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 07:54:05,700 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-19 07:54:05,700 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-19 07:54:05,700 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 07:54:05,700 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-19 07:54:05,701 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 07:54:05,701 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 07:54:05,701 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 07:54:05,701 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 07:54:05,702 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-19 07:54:05,702 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 07:54:05,702 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-19 07:54:05,702 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-19 07:54:05,702 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-19 07:54:05,703 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-19 07:54:05,703 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 07:54:05,703 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_4f0e2b05-5152-4ab8-96fb-6157580e7ab9/bin/utaipan-I9t0OCRTmS/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f0e2b05-5152-4ab8-96fb-6157580e7ab9/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fd704c0997d5526a33ae946f9f6b6d8e05b412ad44e87cb653981b428eeb987a [2022-11-19 07:54:05,981 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 07:54:06,006 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 07:54:06,009 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 07:54:06,010 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 07:54:06,011 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 07:54:06,012 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f0e2b05-5152-4ab8-96fb-6157580e7ab9/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/aws-c-common/aws_priority_queue_init_dynamic_harness.i [2022-11-19 07:54:06,085 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f0e2b05-5152-4ab8-96fb-6157580e7ab9/bin/utaipan-I9t0OCRTmS/data/402297837/8cde7406264e4ca7bc2d00320f65e842/FLAG8c54b906f [2022-11-19 07:54:06,787 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 07:54:06,788 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f0e2b05-5152-4ab8-96fb-6157580e7ab9/sv-benchmarks/c/aws-c-common/aws_priority_queue_init_dynamic_harness.i [2022-11-19 07:54:06,841 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f0e2b05-5152-4ab8-96fb-6157580e7ab9/bin/utaipan-I9t0OCRTmS/data/402297837/8cde7406264e4ca7bc2d00320f65e842/FLAG8c54b906f [2022-11-19 07:54:06,893 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f0e2b05-5152-4ab8-96fb-6157580e7ab9/bin/utaipan-I9t0OCRTmS/data/402297837/8cde7406264e4ca7bc2d00320f65e842 [2022-11-19 07:54:06,898 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 07:54:06,900 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 07:54:06,904 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 07:54:06,905 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 07:54:06,908 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 07:54:06,909 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:54:06" (1/1) ... [2022-11-19 07:54:06,911 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78a565c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:54:06, skipping insertion in model container [2022-11-19 07:54:06,912 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:54:06" (1/1) ... [2022-11-19 07:54:06,919 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 07:54:07,034 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 07:54:07,355 WARN L234 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_4f0e2b05-5152-4ab8-96fb-6157580e7ab9/sv-benchmarks/c/aws-c-common/aws_priority_queue_init_dynamic_harness.i[4505,4518] [2022-11-19 07:54:07,365 WARN L234 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_4f0e2b05-5152-4ab8-96fb-6157580e7ab9/sv-benchmarks/c/aws-c-common/aws_priority_queue_init_dynamic_harness.i[4565,4578] [2022-11-19 07:54:08,271 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-19 07:54:08,368 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 07:54:08,370 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 07:54:08,370 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 07:54:08,373 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 07:54:08,374 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 07:54:08,409 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 07:54:08,410 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 07:54:08,412 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 07:54:08,413 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 07:54:08,749 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-19 07:54:08,751 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-19 07:54:08,752 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-19 07:54:08,753 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-19 07:54:08,755 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-19 07:54:08,755 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-19 07:54:08,756 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-19 07:54:08,757 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-19 07:54:08,757 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-19 07:54:08,758 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-19 07:54:08,898 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 07:54:08,899 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 07:54:08,952 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 07:54:08,984 INFO L203 MainTranslator]: Completed pre-run [2022-11-19 07:54:09,012 WARN L234 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_4f0e2b05-5152-4ab8-96fb-6157580e7ab9/sv-benchmarks/c/aws-c-common/aws_priority_queue_init_dynamic_harness.i[4505,4518] [2022-11-19 07:54:09,013 WARN L234 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_4f0e2b05-5152-4ab8-96fb-6157580e7ab9/sv-benchmarks/c/aws-c-common/aws_priority_queue_init_dynamic_harness.i[4565,4578] [2022-11-19 07:54:09,064 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-19 07:54:09,097 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 07:54:09,111 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 07:54:09,111 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 07:54:09,112 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 07:54:09,113 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 07:54:09,120 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 07:54:09,122 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 07:54:09,124 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 07:54:09,124 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 07:54:09,176 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-19 07:54:09,177 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-19 07:54:09,178 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-19 07:54:09,179 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-19 07:54:09,180 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-19 07:54:09,181 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-19 07:54:09,181 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-19 07:54:09,182 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-19 07:54:09,182 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-19 07:54:09,183 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-19 07:54:09,217 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 07:54:09,218 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 07:54:09,266 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 07:54:09,625 INFO L208 MainTranslator]: Completed translation [2022-11-19 07:54:09,625 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:54:09 WrapperNode [2022-11-19 07:54:09,625 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 07:54:09,626 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-19 07:54:09,626 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-19 07:54:09,626 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-19 07:54:09,634 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:54:09" (1/1) ... [2022-11-19 07:54:09,761 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:54:09" (1/1) ... [2022-11-19 07:54:09,845 INFO L138 Inliner]: procedures = 689, calls = 1513, calls flagged for inlining = 53, calls inlined = 9, statements flattened = 735 [2022-11-19 07:54:09,845 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-19 07:54:09,853 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-19 07:54:09,853 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-19 07:54:09,854 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-19 07:54:09,863 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:54:09" (1/1) ... [2022-11-19 07:54:09,863 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:54:09" (1/1) ... [2022-11-19 07:54:09,879 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:54:09" (1/1) ... [2022-11-19 07:54:09,880 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:54:09" (1/1) ... [2022-11-19 07:54:09,909 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:54:09" (1/1) ... [2022-11-19 07:54:09,914 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:54:09" (1/1) ... [2022-11-19 07:54:09,919 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:54:09" (1/1) ... [2022-11-19 07:54:09,923 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:54:09" (1/1) ... [2022-11-19 07:54:09,931 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-19 07:54:09,931 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-19 07:54:09,932 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-19 07:54:09,932 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-19 07:54:09,933 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:54:09" (1/1) ... [2022-11-19 07:54:09,956 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 07:54:09,967 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f0e2b05-5152-4ab8-96fb-6157580e7ab9/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:54:09,982 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f0e2b05-5152-4ab8-96fb-6157580e7ab9/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-19 07:54:10,007 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f0e2b05-5152-4ab8-96fb-6157580e7ab9/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-19 07:54:10,039 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_mem_zeroed [2022-11-19 07:54:10,039 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_mem_zeroed [2022-11-19 07:54:10,040 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-19 07:54:10,041 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2022-11-19 07:54:10,041 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2022-11-19 07:54:10,041 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2022-11-19 07:54:10,042 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2022-11-19 07:54:10,042 INFO L130 BoogieDeclarations]: Found specification of procedure aws_allocator_is_valid [2022-11-19 07:54:10,042 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_allocator_is_valid [2022-11-19 07:54:10,043 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-19 07:54:10,043 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2022-11-19 07:54:10,043 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2022-11-19 07:54:10,043 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-11-19 07:54:10,043 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-11-19 07:54:10,044 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-19 07:54:10,044 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-19 07:54:10,044 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-19 07:54:10,044 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-19 07:54:10,044 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-19 07:54:10,044 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2022-11-19 07:54:10,044 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2022-11-19 07:54:10,045 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2022-11-19 07:54:10,045 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2022-11-19 07:54:10,045 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2022-11-19 07:54:10,046 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2022-11-19 07:54:10,046 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_is_valid [2022-11-19 07:54:10,046 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_is_valid [2022-11-19 07:54:10,046 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-19 07:54:10,046 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-19 07:54:10,047 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-19 07:54:10,047 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-19 07:54:10,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-19 07:54:10,048 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2022-11-19 07:54:10,048 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2022-11-19 07:54:10,048 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2022-11-19 07:54:10,048 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2022-11-19 07:54:10,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-19 07:54:10,048 INFO L130 BoogieDeclarations]: Found specification of procedure memset_impl [2022-11-19 07:54:10,048 INFO L138 BoogieDeclarations]: Found implementation of procedure memset_impl [2022-11-19 07:54:10,049 INFO L130 BoogieDeclarations]: Found specification of procedure my_memset [2022-11-19 07:54:10,049 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memset [2022-11-19 07:54:10,049 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-19 07:54:10,463 INFO L235 CfgBuilder]: Building ICFG [2022-11-19 07:54:10,465 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-19 07:54:11,629 INFO L276 CfgBuilder]: Performing block encoding [2022-11-19 07:54:11,937 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-19 07:54:11,938 INFO L300 CfgBuilder]: Removed 6 assume(true) statements. [2022-11-19 07:54:11,941 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:54:11 BoogieIcfgContainer [2022-11-19 07:54:11,942 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-19 07:54:11,945 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-19 07:54:11,946 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-19 07:54:11,950 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-19 07:54:11,950 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:54:06" (1/3) ... [2022-11-19 07:54:11,951 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3fd15b84 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:54:11, skipping insertion in model container [2022-11-19 07:54:11,952 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:54:09" (2/3) ... [2022-11-19 07:54:11,952 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3fd15b84 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:54:11, skipping insertion in model container [2022-11-19 07:54:11,952 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:54:11" (3/3) ... [2022-11-19 07:54:11,956 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_priority_queue_init_dynamic_harness.i [2022-11-19 07:54:11,975 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-19 07:54:11,976 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-19 07:54:12,061 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-19 07:54:12,073 INFO L357 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=FINITE_AUTOMATA, 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@55e8f868, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-19 07:54:12,073 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-19 07:54:12,078 INFO L276 IsEmpty]: Start isEmpty. Operand has 155 states, 87 states have (on average 1.2298850574712643) internal successors, (107), 87 states have internal predecessors, (107), 53 states have call successors, (53), 15 states have call predecessors, (53), 15 states have return successors, (53), 53 states have call predecessors, (53), 53 states have call successors, (53) [2022-11-19 07:54:12,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-11-19 07:54:12,093 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:54:12,094 INFO L195 NwaCegarLoop]: trace histogram [10, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:54:12,095 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:54:12,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:54:12,102 INFO L85 PathProgramCache]: Analyzing trace with hash 1310394539, now seen corresponding path program 1 times [2022-11-19 07:54:12,116 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:54:12,118 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1246098701] [2022-11-19 07:54:12,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:54:12,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:54:12,540 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-19 07:54:12,548 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1326910069] [2022-11-19 07:54:12,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:54:12,548 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:54:12,549 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f0e2b05-5152-4ab8-96fb-6157580e7ab9/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:54:12,555 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f0e2b05-5152-4ab8-96fb-6157580e7ab9/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 07:54:12,582 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f0e2b05-5152-4ab8-96fb-6157580e7ab9/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-19 07:54:13,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:54:13,220 INFO L263 TraceCheckSpWp]: Trace formula consists of 2186 conjuncts, 1 conjunts are in the unsatisfiable core [2022-11-19 07:54:13,228 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 07:54:13,262 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2022-11-19 07:54:13,263 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 07:54:13,263 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:54:13,263 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1246098701] [2022-11-19 07:54:13,264 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-19 07:54:13,264 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1326910069] [2022-11-19 07:54:13,264 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1326910069] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:54:13,265 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:54:13,265 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-19 07:54:13,267 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1964745773] [2022-11-19 07:54:13,268 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:54:13,273 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-19 07:54:13,273 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:54:13,302 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-19 07:54:13,303 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-19 07:54:13,305 INFO L87 Difference]: Start difference. First operand has 155 states, 87 states have (on average 1.2298850574712643) internal successors, (107), 87 states have internal predecessors, (107), 53 states have call successors, (53), 15 states have call predecessors, (53), 15 states have return successors, (53), 53 states have call predecessors, (53), 53 states have call successors, (53) Second operand has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-19 07:54:13,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:54:13,524 INFO L93 Difference]: Finished difference Result 295 states and 415 transitions. [2022-11-19 07:54:13,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-19 07:54:13,527 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 71 [2022-11-19 07:54:13,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:54:13,538 INFO L225 Difference]: With dead ends: 295 [2022-11-19 07:54:13,538 INFO L226 Difference]: Without dead ends: 151 [2022-11-19 07:54:13,543 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-19 07:54:13,546 INFO L413 NwaCegarLoop]: 185 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 185 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-19 07:54:13,547 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 185 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-19 07:54:13,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2022-11-19 07:54:13,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 151. [2022-11-19 07:54:13,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 151 states, 82 states have (on average 1.2073170731707317) internal successors, (99), 84 states have internal predecessors, (99), 53 states have call successors, (53), 15 states have call predecessors, (53), 15 states have return successors, (51), 51 states have call predecessors, (51), 51 states have call successors, (51) [2022-11-19 07:54:13,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 203 transitions. [2022-11-19 07:54:13,604 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 203 transitions. Word has length 71 [2022-11-19 07:54:13,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:54:13,606 INFO L495 AbstractCegarLoop]: Abstraction has 151 states and 203 transitions. [2022-11-19 07:54:13,606 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-19 07:54:13,606 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 203 transitions. [2022-11-19 07:54:13,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2022-11-19 07:54:13,610 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:54:13,610 INFO L195 NwaCegarLoop]: trace histogram [12, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:54:13,629 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f0e2b05-5152-4ab8-96fb-6157580e7ab9/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-19 07:54:13,821 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f0e2b05-5152-4ab8-96fb-6157580e7ab9/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:54:13,822 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:54:13,822 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:54:13,823 INFO L85 PathProgramCache]: Analyzing trace with hash 290652694, now seen corresponding path program 1 times [2022-11-19 07:54:13,823 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:54:13,823 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [933356753] [2022-11-19 07:54:13,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:54:13,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:54:13,968 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-19 07:54:13,969 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2046186038] [2022-11-19 07:54:13,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:54:13,970 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:54:13,970 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f0e2b05-5152-4ab8-96fb-6157580e7ab9/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:54:13,971 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f0e2b05-5152-4ab8-96fb-6157580e7ab9/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 07:54:13,995 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f0e2b05-5152-4ab8-96fb-6157580e7ab9/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-19 07:54:14,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:54:14,668 INFO L263 TraceCheckSpWp]: Trace formula consists of 2334 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-19 07:54:14,674 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 07:54:14,774 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2022-11-19 07:54:14,774 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 07:54:14,775 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:54:14,775 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [933356753] [2022-11-19 07:54:14,775 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-19 07:54:14,775 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2046186038] [2022-11-19 07:54:14,775 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2046186038] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:54:14,776 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:54:14,776 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-19 07:54:14,776 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [699420499] [2022-11-19 07:54:14,776 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:54:14,778 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-19 07:54:14,778 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:54:14,779 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-19 07:54:14,779 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-19 07:54:14,779 INFO L87 Difference]: Start difference. First operand 151 states and 203 transitions. Second operand has 6 states, 5 states have (on average 8.4) internal successors, (42), 6 states have internal predecessors, (42), 4 states have call successors, (23), 2 states have call predecessors, (23), 4 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) [2022-11-19 07:54:15,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:54:15,510 INFO L93 Difference]: Finished difference Result 290 states and 385 transitions. [2022-11-19 07:54:15,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-19 07:54:15,511 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 8.4) internal successors, (42), 6 states have internal predecessors, (42), 4 states have call successors, (23), 2 states have call predecessors, (23), 4 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) Word has length 97 [2022-11-19 07:54:15,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:54:15,513 INFO L225 Difference]: With dead ends: 290 [2022-11-19 07:54:15,514 INFO L226 Difference]: Without dead ends: 151 [2022-11-19 07:54:15,515 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-19 07:54:15,516 INFO L413 NwaCegarLoop]: 176 mSDtfsCounter, 8 mSDsluCounter, 686 mSDsCounter, 0 mSdLazyCounter, 142 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 862 SdHoareTripleChecker+Invalid, 143 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 142 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-19 07:54:15,517 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 862 Invalid, 143 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 142 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-19 07:54:15,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2022-11-19 07:54:15,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 151. [2022-11-19 07:54:15,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 151 states, 82 states have (on average 1.1951219512195121) internal successors, (98), 84 states have internal predecessors, (98), 53 states have call successors, (53), 15 states have call predecessors, (53), 15 states have return successors, (51), 51 states have call predecessors, (51), 51 states have call successors, (51) [2022-11-19 07:54:15,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 202 transitions. [2022-11-19 07:54:15,535 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 202 transitions. Word has length 97 [2022-11-19 07:54:15,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:54:15,536 INFO L495 AbstractCegarLoop]: Abstraction has 151 states and 202 transitions. [2022-11-19 07:54:15,536 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 8.4) internal successors, (42), 6 states have internal predecessors, (42), 4 states have call successors, (23), 2 states have call predecessors, (23), 4 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) [2022-11-19 07:54:15,536 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 202 transitions. [2022-11-19 07:54:15,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2022-11-19 07:54:15,538 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:54:15,538 INFO L195 NwaCegarLoop]: trace histogram [12, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:54:15,556 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f0e2b05-5152-4ab8-96fb-6157580e7ab9/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-19 07:54:15,749 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f0e2b05-5152-4ab8-96fb-6157580e7ab9/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:54:15,749 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:54:15,749 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:54:15,750 INFO L85 PathProgramCache]: Analyzing trace with hash 962561932, now seen corresponding path program 1 times [2022-11-19 07:54:15,750 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:54:15,750 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [526250562] [2022-11-19 07:54:15,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:54:15,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:54:15,867 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-19 07:54:15,867 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1688278475] [2022-11-19 07:54:15,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:54:15,868 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:54:15,868 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f0e2b05-5152-4ab8-96fb-6157580e7ab9/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:54:15,869 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f0e2b05-5152-4ab8-96fb-6157580e7ab9/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 07:54:15,887 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f0e2b05-5152-4ab8-96fb-6157580e7ab9/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-19 07:54:16,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:54:16,469 INFO L263 TraceCheckSpWp]: Trace formula consists of 2348 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-19 07:54:16,474 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 07:54:16,497 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2022-11-19 07:54:16,497 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 07:54:16,497 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:54:16,498 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [526250562] [2022-11-19 07:54:16,498 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-19 07:54:16,498 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1688278475] [2022-11-19 07:54:16,498 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1688278475] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:54:16,498 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:54:16,498 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 07:54:16,499 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2004435859] [2022-11-19 07:54:16,499 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:54:16,499 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 07:54:16,500 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:54:16,500 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 07:54:16,500 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:54:16,500 INFO L87 Difference]: Start difference. First operand 151 states and 202 transitions. Second operand has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-11-19 07:54:16,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:54:16,987 INFO L93 Difference]: Finished difference Result 287 states and 383 transitions. [2022-11-19 07:54:16,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 07:54:16,988 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 99 [2022-11-19 07:54:16,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:54:16,990 INFO L225 Difference]: With dead ends: 287 [2022-11-19 07:54:16,990 INFO L226 Difference]: Without dead ends: 152 [2022-11-19 07:54:16,991 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:54:16,992 INFO L413 NwaCegarLoop]: 180 mSDtfsCounter, 0 mSDsluCounter, 177 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 357 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-19 07:54:16,992 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 357 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-19 07:54:16,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states. [2022-11-19 07:54:17,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 152. [2022-11-19 07:54:17,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 152 states, 83 states have (on average 1.1927710843373494) internal successors, (99), 85 states have internal predecessors, (99), 53 states have call successors, (53), 15 states have call predecessors, (53), 15 states have return successors, (51), 51 states have call predecessors, (51), 51 states have call successors, (51) [2022-11-19 07:54:17,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 203 transitions. [2022-11-19 07:54:17,006 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 203 transitions. Word has length 99 [2022-11-19 07:54:17,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:54:17,007 INFO L495 AbstractCegarLoop]: Abstraction has 152 states and 203 transitions. [2022-11-19 07:54:17,007 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-11-19 07:54:17,007 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 203 transitions. [2022-11-19 07:54:17,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2022-11-19 07:54:17,009 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:54:17,009 INFO L195 NwaCegarLoop]: trace histogram [12, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:54:17,028 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f0e2b05-5152-4ab8-96fb-6157580e7ab9/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-19 07:54:17,227 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f0e2b05-5152-4ab8-96fb-6157580e7ab9/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:54:17,228 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:54:17,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:54:17,228 INFO L85 PathProgramCache]: Analyzing trace with hash -2095342226, now seen corresponding path program 1 times [2022-11-19 07:54:17,229 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:54:17,229 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1833513497] [2022-11-19 07:54:17,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:54:17,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:54:17,324 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-19 07:54:17,324 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [965644032] [2022-11-19 07:54:17,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:54:17,325 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:54:17,325 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f0e2b05-5152-4ab8-96fb-6157580e7ab9/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:54:17,326 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f0e2b05-5152-4ab8-96fb-6157580e7ab9/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 07:54:17,347 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f0e2b05-5152-4ab8-96fb-6157580e7ab9/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-19 07:54:17,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:54:17,961 INFO L263 TraceCheckSpWp]: Trace formula consists of 2386 conjuncts, 22 conjunts are in the unsatisfiable core [2022-11-19 07:54:17,965 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 07:54:18,097 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 7 proven. 9 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2022-11-19 07:54:18,098 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 07:54:18,543 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 142 trivial. 0 not checked. [2022-11-19 07:54:18,543 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:54:18,543 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1833513497] [2022-11-19 07:54:18,543 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-19 07:54:18,543 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [965644032] [2022-11-19 07:54:18,543 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [965644032] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-19 07:54:18,543 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2379681] [2022-11-19 07:54:18,570 INFO L159 IcfgInterpreter]: Started Sifa with 61 locations of interest [2022-11-19 07:54:18,570 INFO L166 IcfgInterpreter]: Building call graph [2022-11-19 07:54:18,574 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-19 07:54:18,581 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-19 07:54:18,581 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-19 07:54:22,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:54:22,400 INFO L217 Elim1Store]: Index analysis took 413 ms [2022-11-19 07:54:52,449 WARN L233 SmtUtils]: Spent 29.96s on a formula simplification. DAG size of input: 2150 DAG size of output: 1173 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-19 07:54:52,454 INFO L321 Elim1Store]: treesize reduction 3510, result has 33.3 percent of original size [2022-11-19 07:54:52,459 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 198 select indices, 198 select index equivalence classes, 19308 disjoint index pairs (out of 19503 index pairs), introduced 198 new quantified variables, introduced 390 case distinctions, treesize of input 997 treesize of output 2365 [2022-11-19 07:54:56,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:54:56,616 INFO L217 Elim1Store]: Index analysis took 102 ms [2022-11-19 07:54:56,670 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 196 select indices, 196 select index equivalence classes, 19307 disjoint index pairs (out of 19110 index pairs), introduced 196 new quantified variables, introduced 0 case distinctions, treesize of input 987 treesize of output 1574 [2022-11-19 07:55:29,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:55:29,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:55:30,081 INFO L217 Elim1Store]: Index analysis took 349 ms [2022-11-19 07:55:47,729 WARN L233 SmtUtils]: Spent 17.60s on a formula simplification. DAG size of input: 1767 DAG size of output: 1179 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-19 07:55:47,732 INFO L321 Elim1Store]: treesize reduction 1960, result has 47.4 percent of original size [2022-11-19 07:55:47,737 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 197 select indices, 197 select index equivalence classes, 19309 disjoint index pairs (out of 19306 index pairs), introduced 197 new quantified variables, introduced 196 case distinctions, treesize of input 992 treesize of output 2366 [2022-11-19 07:55:53,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:55:53,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:55:54,245 INFO L217 Elim1Store]: Index analysis took 689 ms [2022-11-19 07:56:23,765 WARN L233 SmtUtils]: Spent 29.45s on a formula simplification. DAG size of input: 2161 DAG size of output: 1179 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-19 07:56:23,769 INFO L321 Elim1Store]: treesize reduction 3528, result has 33.3 percent of original size [2022-11-19 07:56:23,774 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 199 select indices, 199 select index equivalence classes, 19505 disjoint index pairs (out of 19701 index pairs), introduced 199 new quantified variables, introduced 392 case distinctions, treesize of input 1002 treesize of output 2377 [2022-11-19 07:58:07,091 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-19 07:58:07,096 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-19 07:58:07,137 INFO L350 Elim1Store]: Elim1 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 15 treesize of output 1 [2022-11-19 07:58:07,145 INFO L350 Elim1Store]: Elim1 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 15 treesize of output 1 [2022-11-19 07:58:07,150 INFO L350 Elim1Store]: Elim1 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 15 treesize of output 1 [2022-11-19 07:58:07,158 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-19 07:58:12,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:58:12,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:58:12,682 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 198 select indices, 198 select index equivalence classes, 19505 disjoint index pairs (out of 19503 index pairs), introduced 198 new quantified variables, introduced 0 case distinctions, treesize of input 991 treesize of output 595 [2022-11-19 07:58:13,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:58:13,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:58:13,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:58:13,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:58:13,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:58:13,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:58:13,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:58:13,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:58:13,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:58:13,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:58:13,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:58:13,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:58:13,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:58:13,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:58:13,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:58:13,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:58:13,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:58:13,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:58:13,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:58:13,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:58:13,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:58:13,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:58:13,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:58:13,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:58:13,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:58:13,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:58:13,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:58:13,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:58:13,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:58:13,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:58:13,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:58:13,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:58:13,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:58:13,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:58:13,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:58:13,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:58:13,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:58:13,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:58:13,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:58:13,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:58:13,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:58:13,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:58:13,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:58:13,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:58:13,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:58:13,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:58:13,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:58:13,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:58:13,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:58:13,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:58:13,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:58:13,259 INFO L217 Elim1Store]: Index analysis took 114 ms [2022-11-19 07:58:13,267 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 53 select indices, 53 select index equivalence classes, 1045 disjoint index pairs (out of 1378 index pairs), introduced 53 new quantified variables, introduced 0 case distinctions, treesize of input 464 treesize of output 160 [2022-11-19 07:58:13,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:58:13,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:58:14,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:58:14,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:58:14,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:58:14,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:58:14,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:58:14,122 INFO L217 Elim1Store]: Index analysis took 132 ms [2022-11-19 07:58:14,158 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 193 select indices, 193 select index equivalence classes, 16855 disjoint index pairs (out of 18528 index pairs), introduced 193 new quantified variables, introduced 0 case distinctions, treesize of input 1736 treesize of output 580 [2022-11-19 07:58:14,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:58:14,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:58:15,042 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 199 select indices, 199 select index equivalence classes, 19701 disjoint index pairs (out of 19701 index pairs), introduced 199 new quantified variables, introduced 0 case distinctions, treesize of input 996 treesize of output 598 [2022-11-19 07:58:15,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:58:15,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:58:15,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:58:15,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:58:15,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:58:16,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:58:16,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:58:16,074 INFO L217 Elim1Store]: Index analysis took 122 ms [2022-11-19 07:58:16,109 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 193 select indices, 193 select index equivalence classes, 16855 disjoint index pairs (out of 18528 index pairs), introduced 193 new quantified variables, introduced 0 case distinctions, treesize of input 1736 treesize of output 580 [2022-11-19 07:58:34,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:58:34,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:58:34,527 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 199 select indices, 199 select index equivalence classes, 19701 disjoint index pairs (out of 19701 index pairs), introduced 199 new quantified variables, introduced 0 case distinctions, treesize of input 996 treesize of output 598 [2022-11-19 07:58:35,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:58:35,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:58:35,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:58:35,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:58:35,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:58:35,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:58:35,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:58:35,408 INFO L217 Elim1Store]: Index analysis took 113 ms [2022-11-19 07:58:35,433 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 193 select indices, 193 select index equivalence classes, 16855 disjoint index pairs (out of 18528 index pairs), introduced 193 new quantified variables, introduced 0 case distinctions, treesize of input 1736 treesize of output 580 [2022-11-19 07:58:36,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:58:36,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:58:36,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:58:36,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:58:36,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:58:36,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:58:36,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:58:36,234 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 193 select indices, 193 select index equivalence classes, 16855 disjoint index pairs (out of 18528 index pairs), introduced 193 new quantified variables, introduced 0 case distinctions, treesize of input 1736 treesize of output 580 [2022-11-19 07:58:36,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:58:36,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:58:36,956 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 198 select indices, 198 select index equivalence classes, 19505 disjoint index pairs (out of 19503 index pairs), introduced 198 new quantified variables, introduced 0 case distinctions, treesize of input 991 treesize of output 595 [2022-11-19 07:58:37,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:58:37,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:58:37,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:58:37,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:58:37,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:58:37,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:58:37,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:58:37,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:58:37,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:58:37,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:58:37,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:58:37,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:58:37,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:58:37,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:58:37,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:58:37,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:58:37,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:58:37,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:58:37,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:58:37,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:58:37,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:58:37,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:58:37,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:58:37,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:58:37,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:58:37,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:58:37,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:58:37,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:58:37,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:58:37,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:58:37,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:58:37,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:58:37,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:58:37,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:58:37,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:58:37,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:58:37,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:58:37,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:58:37,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:58:37,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:58:37,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:58:37,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:58:37,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:58:37,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:58:37,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:58:37,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:58:37,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:58:37,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:58:37,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:58:37,493 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 53 select indices, 53 select index equivalence classes, 1045 disjoint index pairs (out of 1378 index pairs), introduced 53 new quantified variables, introduced 0 case distinctions, treesize of input 464 treesize of output 160 [2022-11-19 07:58:48,634 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-19 07:58:48,640 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-19 07:58:49,543 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-19 07:58:49,608 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-19 07:58:52,230 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-19 07:58:52,310 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-19 07:59:20,743 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-19 07:59:20,903 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-19 07:59:21,086 INFO L350 Elim1Store]: Elim1 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 15 treesize of output 1 [2022-11-19 07:59:21,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:59:21,263 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 198 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 38 [2022-11-19 07:59:23,719 INFO L350 Elim1Store]: Elim1 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 57 treesize of output 1 [2022-11-19 07:59:23,732 INFO L350 Elim1Store]: Elim1 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 57 treesize of output 1 [2022-11-19 07:59:23,762 INFO L350 Elim1Store]: Elim1 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 45 treesize of output 41 [2022-11-19 07:59:23,772 INFO L350 Elim1Store]: Elim1 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 57 treesize of output 1 [2022-11-19 07:59:23,817 INFO L350 Elim1Store]: Elim1 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 57 treesize of output 1 [2022-11-19 07:59:23,825 INFO L350 Elim1Store]: Elim1 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 57 treesize of output 1 [2022-11-19 07:59:23,873 INFO L321 Elim1Store]: treesize reduction 127, result has 18.1 percent of original size [2022-11-19 07:59:23,873 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 205 treesize of output 204 [2022-11-19 07:59:23,898 INFO L350 Elim1Store]: Elim1 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 57 treesize of output 1 [2022-11-19 07:59:23,923 INFO L350 Elim1Store]: Elim1 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 57 treesize of output 1 [2022-11-19 07:59:23,932 INFO L350 Elim1Store]: Elim1 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 57 treesize of output 1 [2022-11-19 07:59:23,938 INFO L350 Elim1Store]: Elim1 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 45 treesize of output 41 [2022-11-19 07:59:23,947 INFO L350 Elim1Store]: Elim1 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 57 treesize of output 1 [2022-11-19 07:59:25,293 INFO L350 Elim1Store]: Elim1 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 7 treesize of output 3 [2022-11-19 07:59:25,445 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 197 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 5 [2022-11-19 07:59:25,621 INFO L350 Elim1Store]: Elim1 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 7 treesize of output 3 [2022-11-19 07:59:29,207 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 197 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 5 [2022-11-19 07:59:29,412 INFO L350 Elim1Store]: Elim1 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 7 treesize of output 3 [2022-11-19 07:59:29,751 INFO L350 Elim1Store]: Elim1 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 7 treesize of output 3 [2022-11-19 08:00:00,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:00:00,697 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2022-11-19 08:00:00,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:00:00,968 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 17 [2022-11-19 08:00:03,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:00:03,678 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-19 08:00:03,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:00:03,886 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-19 08:00:07,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:00:07,340 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-19 08:00:07,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:00:07,506 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-19 08:00:16,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:00:16,423 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 17 [2022-11-19 08:00:16,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:00:16,599 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 17 [2022-11-19 08:00:16,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:00:16,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:00:16,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:00:16,993 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 28 [2022-11-19 08:00:17,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:00:17,711 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 9 [2022-11-19 08:01:22,473 INFO L197 IcfgInterpreter]: Interpreting procedure can_fail_allocator with input of size 2804 for LOIs [2022-11-19 08:01:29,328 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 56 for LOIs [2022-11-19 08:01:29,368 INFO L197 IcfgInterpreter]: Interpreting procedure aws_mul_size_checked with input of size 3723 for LOIs [2022-11-19 08:03:40,440 INFO L350 Elim1Store]: Elim1 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 15 treesize of output 1 [2022-11-19 08:03:40,460 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-19 08:03:40,469 INFO L350 Elim1Store]: Elim1 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 15 treesize of output 1 [2022-11-19 08:03:40,478 INFO L350 Elim1Store]: Elim1 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 15 treesize of output 1 [2022-11-19 08:04:14,258 INFO L197 IcfgInterpreter]: Interpreting procedure __CPROVER_overflow_mult with input of size 3684 for LOIs [2022-11-19 08:04:29,579 INFO L197 IcfgInterpreter]: Interpreting procedure my_memset with input of size 1222 for LOIs [2022-11-19 08:04:48,956 INFO L197 IcfgInterpreter]: Interpreting procedure memset_impl with input of size 1222 for LOIs [2022-11-19 08:05:09,576 INFO L350 Elim1Store]: Elim1 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 45 treesize of output 41 [2022-11-19 08:05:09,590 INFO L350 Elim1Store]: Elim1 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 57 treesize of output 1 [2022-11-19 08:05:09,618 INFO L350 Elim1Store]: Elim1 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 57 treesize of output 1 [2022-11-19 08:05:09,636 INFO L350 Elim1Store]: Elim1 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 57 treesize of output 1 [2022-11-19 08:05:09,731 INFO L350 Elim1Store]: Elim1 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 57 treesize of output 1 [2022-11-19 08:05:09,746 INFO L350 Elim1Store]: Elim1 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 57 treesize of output 1 [2022-11-19 08:05:09,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:05:09,766 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 205 treesize of output 204 [2022-11-19 08:05:09,810 INFO L350 Elim1Store]: Elim1 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 57 treesize of output 1 [2022-11-19 08:05:09,864 INFO L350 Elim1Store]: Elim1 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 57 treesize of output 1 [2022-11-19 08:05:09,877 INFO L350 Elim1Store]: Elim1 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 57 treesize of output 1 [2022-11-19 08:05:09,890 INFO L350 Elim1Store]: Elim1 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 45 treesize of output 41 [2022-11-19 08:05:09,904 INFO L350 Elim1Store]: Elim1 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 57 treesize of output 1 [2022-11-19 08:05:16,554 INFO L197 IcfgInterpreter]: Interpreting procedure bounded_malloc with input of size 673 for LOIs [2022-11-19 08:05:20,953 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 37 for LOIs [2022-11-19 08:05:20,957 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-19 08:08:12,501 WARN L233 SmtUtils]: Spent 2.84m on a formula simplification. DAG size of input: 2804 DAG size of output: 2416 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)