./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_array_list_push_back_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b5237d83 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_c40af557-668b-4961-a718-91a9f8697e9f/bin/utaipan-g80aRyZoba/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40af557-668b-4961-a718-91a9f8697e9f/bin/utaipan-g80aRyZoba/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40af557-668b-4961-a718-91a9f8697e9f/bin/utaipan-g80aRyZoba/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40af557-668b-4961-a718-91a9f8697e9f/bin/utaipan-g80aRyZoba/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_array_list_push_back_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40af557-668b-4961-a718-91a9f8697e9f/bin/utaipan-g80aRyZoba/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40af557-668b-4961-a718-91a9f8697e9f/bin/utaipan-g80aRyZoba --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 1c506089032d4cdff4e7555a7f0fed6846d5bd185846ae9cd372b1dcc3fd0c8a --- 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-b5237d8 [2022-11-22 02:05:19,608 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-22 02:05:19,611 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-22 02:05:19,656 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-22 02:05:19,656 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-22 02:05:19,660 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-22 02:05:19,663 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-22 02:05:19,666 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-22 02:05:19,668 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-22 02:05:19,673 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-22 02:05:19,675 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-22 02:05:19,677 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-22 02:05:19,678 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-22 02:05:19,681 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-22 02:05:19,682 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-22 02:05:19,684 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-22 02:05:19,686 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-22 02:05:19,687 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-22 02:05:19,689 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-22 02:05:19,696 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-22 02:05:19,698 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-22 02:05:19,700 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-22 02:05:19,702 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-22 02:05:19,703 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-22 02:05:19,713 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-22 02:05:19,713 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-22 02:05:19,714 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-22 02:05:19,717 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-22 02:05:19,717 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-22 02:05:19,718 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-22 02:05:19,719 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-22 02:05:19,720 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-22 02:05:19,722 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-22 02:05:19,723 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-22 02:05:19,724 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-22 02:05:19,725 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-22 02:05:19,726 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-22 02:05:19,726 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-22 02:05:19,726 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-22 02:05:19,728 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-22 02:05:19,729 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-22 02:05:19,730 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40af557-668b-4961-a718-91a9f8697e9f/bin/utaipan-g80aRyZoba/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-22 02:05:19,775 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-22 02:05:19,775 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-22 02:05:19,776 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-22 02:05:19,776 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-22 02:05:19,777 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-22 02:05:19,777 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-22 02:05:19,778 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-22 02:05:19,778 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-22 02:05:19,778 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-22 02:05:19,779 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-22 02:05:19,780 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-22 02:05:19,780 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-22 02:05:19,781 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-22 02:05:19,781 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-22 02:05:19,781 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-22 02:05:19,781 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-22 02:05:19,782 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-22 02:05:19,782 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-22 02:05:19,783 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-22 02:05:19,784 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-22 02:05:19,784 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-22 02:05:19,784 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-22 02:05:19,784 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-22 02:05:19,785 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-22 02:05:19,785 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-22 02:05:19,785 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-22 02:05:19,785 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-22 02:05:19,786 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-22 02:05:19,786 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-22 02:05:19,786 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 02:05:19,787 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-22 02:05:19,787 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-22 02:05:19,788 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-22 02:05:19,788 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-22 02:05:19,788 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-22 02:05:19,788 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-22 02:05:19,789 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-22 02:05:19,789 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-22 02:05:19,789 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_c40af557-668b-4961-a718-91a9f8697e9f/bin/utaipan-g80aRyZoba/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40af557-668b-4961-a718-91a9f8697e9f/bin/utaipan-g80aRyZoba Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1c506089032d4cdff4e7555a7f0fed6846d5bd185846ae9cd372b1dcc3fd0c8a [2022-11-22 02:05:20,116 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-22 02:05:20,147 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-22 02:05:20,149 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-22 02:05:20,151 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-22 02:05:20,151 INFO L275 PluginConnector]: CDTParser initialized [2022-11-22 02:05:20,153 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40af557-668b-4961-a718-91a9f8697e9f/bin/utaipan-g80aRyZoba/../../sv-benchmarks/c/aws-c-common/aws_array_list_push_back_harness.i [2022-11-22 02:05:23,133 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-22 02:05:23,708 INFO L351 CDTParser]: Found 1 translation units. [2022-11-22 02:05:23,709 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40af557-668b-4961-a718-91a9f8697e9f/sv-benchmarks/c/aws-c-common/aws_array_list_push_back_harness.i [2022-11-22 02:05:23,746 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40af557-668b-4961-a718-91a9f8697e9f/bin/utaipan-g80aRyZoba/data/54ada039b/0c470f01e781466f8e2d4f5bcd116cc1/FLAG53518c80e [2022-11-22 02:05:23,765 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40af557-668b-4961-a718-91a9f8697e9f/bin/utaipan-g80aRyZoba/data/54ada039b/0c470f01e781466f8e2d4f5bcd116cc1 [2022-11-22 02:05:23,768 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-22 02:05:23,770 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-22 02:05:23,773 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-22 02:05:23,773 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-22 02:05:23,777 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-22 02:05:23,778 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:05:23" (1/1) ... [2022-11-22 02:05:23,779 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@486e9c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:05:23, skipping insertion in model container [2022-11-22 02:05:23,780 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:05:23" (1/1) ... [2022-11-22 02:05:23,787 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-22 02:05:23,899 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-22 02:05:24,223 WARN L237 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_c40af557-668b-4961-a718-91a9f8697e9f/sv-benchmarks/c/aws-c-common/aws_array_list_push_back_harness.i[4498,4511] [2022-11-22 02:05:24,232 WARN L237 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_c40af557-668b-4961-a718-91a9f8697e9f/sv-benchmarks/c/aws-c-common/aws_array_list_push_back_harness.i[4558,4571] [2022-11-22 02:05:25,097 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-22 02:05:25,192 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 02:05:25,193 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 02:05:25,194 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 02:05:25,194 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 02:05:25,196 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 02:05:25,209 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 02:05:25,210 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 02:05:25,212 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 02:05:25,212 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 02:05:25,214 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 02:05:25,215 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 02:05:25,216 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 02:05:25,217 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 02:05:25,722 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-22 02:05:25,723 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-22 02:05:25,724 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-22 02:05:25,725 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-22 02:05:25,727 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-22 02:05:25,728 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-22 02:05:25,729 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-22 02:05:25,730 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-22 02:05:25,730 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-22 02:05:25,731 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-22 02:05:25,968 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 02:05:25,984 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 02:05:26,107 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 02:05:26,173 INFO L203 MainTranslator]: Completed pre-run [2022-11-22 02:05:26,203 WARN L237 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_c40af557-668b-4961-a718-91a9f8697e9f/sv-benchmarks/c/aws-c-common/aws_array_list_push_back_harness.i[4498,4511] [2022-11-22 02:05:26,205 WARN L237 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_c40af557-668b-4961-a718-91a9f8697e9f/sv-benchmarks/c/aws-c-common/aws_array_list_push_back_harness.i[4558,4571] [2022-11-22 02:05:26,257 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-22 02:05:26,281 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 02:05:26,281 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 02:05:26,282 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 02:05:26,282 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 02:05:26,283 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 02:05:26,289 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 02:05:26,290 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 02:05:26,291 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 02:05:26,292 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 02:05:26,293 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 02:05:26,293 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 02:05:26,294 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 02:05:26,294 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 02:05:26,327 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-22 02:05:26,328 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-22 02:05:26,328 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-22 02:05:26,329 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-22 02:05:26,330 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-22 02:05:26,331 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-22 02:05:26,331 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-22 02:05:26,332 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-22 02:05:26,333 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-22 02:05:26,333 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-22 02:05:26,360 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 02:05:26,365 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 02:05:26,387 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 02:05:26,609 INFO L208 MainTranslator]: Completed translation [2022-11-22 02:05:26,609 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:05:26 WrapperNode [2022-11-22 02:05:26,609 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-22 02:05:26,610 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-22 02:05:26,610 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-22 02:05:26,611 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-22 02:05:26,618 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:05:26" (1/1) ... [2022-11-22 02:05:26,736 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:05:26" (1/1) ... [2022-11-22 02:05:26,850 INFO L138 Inliner]: procedures = 691, calls = 1680, calls flagged for inlining = 53, calls inlined = 14, statements flattened = 894 [2022-11-22 02:05:26,859 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-22 02:05:26,861 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-22 02:05:26,861 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-22 02:05:26,861 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-22 02:05:26,871 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:05:26" (1/1) ... [2022-11-22 02:05:26,872 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:05:26" (1/1) ... [2022-11-22 02:05:26,891 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:05:26" (1/1) ... [2022-11-22 02:05:26,892 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:05:26" (1/1) ... [2022-11-22 02:05:26,944 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:05:26" (1/1) ... [2022-11-22 02:05:26,948 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:05:26" (1/1) ... [2022-11-22 02:05:26,954 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:05:26" (1/1) ... [2022-11-22 02:05:26,958 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:05:26" (1/1) ... [2022-11-22 02:05:26,967 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-22 02:05:26,967 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-22 02:05:26,968 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-22 02:05:26,968 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-22 02:05:26,968 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:05:26" (1/1) ... [2022-11-22 02:05:26,975 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 02:05:27,000 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40af557-668b-4961-a718-91a9f8697e9f/bin/utaipan-g80aRyZoba/z3 [2022-11-22 02:05:27,014 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40af557-668b-4961-a718-91a9f8697e9f/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-22 02:05:27,040 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40af557-668b-4961-a718-91a9f8697e9f/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-22 02:05:27,059 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-22 02:05:27,059 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2022-11-22 02:05:27,060 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2022-11-22 02:05:27,060 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2022-11-22 02:05:27,060 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2022-11-22 02:05:27,061 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2022-11-22 02:05:27,061 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2022-11-22 02:05:27,061 INFO L130 BoogieDeclarations]: Found specification of procedure aws_allocator_is_valid [2022-11-22 02:05:27,061 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_allocator_is_valid [2022-11-22 02:05:27,062 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-22 02:05:27,062 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2022-11-22 02:05:27,062 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2022-11-22 02:05:27,062 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-11-22 02:05:27,063 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-11-22 02:05:27,063 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-22 02:05:27,063 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-22 02:05:27,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-22 02:05:27,063 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2022-11-22 02:05:27,063 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2022-11-22 02:05:27,064 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-22 02:05:27,064 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-22 02:05:27,064 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2022-11-22 02:05:27,064 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2022-11-22 02:05:27,065 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2022-11-22 02:05:27,065 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2022-11-22 02:05:27,065 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2022-11-22 02:05:27,065 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2022-11-22 02:05:27,065 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2022-11-22 02:05:27,066 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2022-11-22 02:05:27,066 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_release [2022-11-22 02:05:27,066 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_release [2022-11-22 02:05:27,066 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_length [2022-11-22 02:05:27,066 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_length [2022-11-22 02:05:27,067 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-22 02:05:27,067 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-22 02:05:27,068 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2022-11-22 02:05:27,068 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2022-11-22 02:05:27,069 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_acquire [2022-11-22 02:05:27,070 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_acquire [2022-11-22 02:05:27,070 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-22 02:05:27,070 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2022-11-22 02:05:27,070 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2022-11-22 02:05:27,070 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-22 02:05:27,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-22 02:05:27,071 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2022-11-22 02:05:27,071 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2022-11-22 02:05:27,071 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2022-11-22 02:05:27,071 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2022-11-22 02:05:27,072 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2022-11-22 02:05:27,072 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2022-11-22 02:05:27,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-22 02:05:27,072 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2022-11-22 02:05:27,072 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2022-11-22 02:05:27,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-22 02:05:27,476 INFO L235 CfgBuilder]: Building ICFG [2022-11-22 02:05:27,479 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-22 02:05:28,804 INFO L276 CfgBuilder]: Performing block encoding [2022-11-22 02:05:29,039 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-22 02:05:29,039 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-22 02:05:29,044 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:05:29 BoogieIcfgContainer [2022-11-22 02:05:29,045 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-22 02:05:29,047 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-22 02:05:29,048 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-22 02:05:29,051 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-22 02:05:29,052 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 02:05:23" (1/3) ... [2022-11-22 02:05:29,054 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76c82095 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 02:05:29, skipping insertion in model container [2022-11-22 02:05:29,059 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:05:26" (2/3) ... [2022-11-22 02:05:29,060 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76c82095 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 02:05:29, skipping insertion in model container [2022-11-22 02:05:29,060 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:05:29" (3/3) ... [2022-11-22 02:05:29,061 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_array_list_push_back_harness.i [2022-11-22 02:05:29,081 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-22 02:05:29,081 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-22 02:05:29,160 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-22 02:05:29,172 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;@7e8d1d00, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-22 02:05:29,172 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-22 02:05:29,179 INFO L276 IsEmpty]: Start isEmpty. Operand has 256 states, 132 states have (on average 1.196969696969697) internal successors, (158), 133 states have internal predecessors, (158), 101 states have call successors, (101), 21 states have call predecessors, (101), 21 states have return successors, (101), 101 states have call predecessors, (101), 101 states have call successors, (101) [2022-11-22 02:05:29,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2022-11-22 02:05:29,195 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:05:29,195 INFO L195 NwaCegarLoop]: trace histogram [11, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 02:05:29,196 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 02:05:29,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:05:29,203 INFO L85 PathProgramCache]: Analyzing trace with hash 1536676058, now seen corresponding path program 1 times [2022-11-22 02:05:29,213 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:05:29,213 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1207344327] [2022-11-22 02:05:29,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:05:29,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:05:29,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:05:30,433 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2022-11-22 02:05:30,433 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:05:30,434 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1207344327] [2022-11-22 02:05:30,435 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1207344327] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-22 02:05:30,435 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [918362313] [2022-11-22 02:05:30,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:05:30,436 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 02:05:30,436 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40af557-668b-4961-a718-91a9f8697e9f/bin/utaipan-g80aRyZoba/z3 [2022-11-22 02:05:30,443 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40af557-668b-4961-a718-91a9f8697e9f/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 02:05:30,463 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40af557-668b-4961-a718-91a9f8697e9f/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-22 02:05:31,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:05:31,056 INFO L263 TraceCheckSpWp]: Trace formula consists of 2224 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-22 02:05:31,069 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 02:05:31,185 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2022-11-22 02:05:31,186 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-22 02:05:31,186 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [918362313] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:05:31,186 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-22 02:05:31,186 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 8 [2022-11-22 02:05:31,189 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1058077576] [2022-11-22 02:05:31,189 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:05:31,194 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-22 02:05:31,194 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:05:31,230 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-22 02:05:31,230 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-11-22 02:05:31,233 INFO L87 Difference]: Start difference. First operand has 256 states, 132 states have (on average 1.196969696969697) internal successors, (158), 133 states have internal predecessors, (158), 101 states have call successors, (101), 21 states have call predecessors, (101), 21 states have return successors, (101), 101 states have call predecessors, (101), 101 states have call successors, (101) Second operand has 5 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 3 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2022-11-22 02:05:31,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:05:31,891 INFO L93 Difference]: Finished difference Result 491 states and 736 transitions. [2022-11-22 02:05:31,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-22 02:05:31,894 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 3 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) Word has length 99 [2022-11-22 02:05:31,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:05:31,914 INFO L225 Difference]: With dead ends: 491 [2022-11-22 02:05:31,914 INFO L226 Difference]: Without dead ends: 256 [2022-11-22 02:05:31,924 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2022-11-22 02:05:31,931 INFO L413 NwaCegarLoop]: 301 mSDtfsCounter, 89 mSDsluCounter, 722 mSDsCounter, 0 mSdLazyCounter, 250 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 174 SdHoareTripleChecker+Valid, 1023 SdHoareTripleChecker+Invalid, 252 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 250 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-22 02:05:31,935 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [174 Valid, 1023 Invalid, 252 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 250 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-22 02:05:31,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 256 states. [2022-11-22 02:05:32,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 256 to 256. [2022-11-22 02:05:32,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 256 states, 132 states have (on average 1.1893939393939394) internal successors, (157), 134 states have internal predecessors, (157), 101 states have call successors, (101), 21 states have call predecessors, (101), 22 states have return successors, (119), 100 states have call predecessors, (119), 100 states have call successors, (119) [2022-11-22 02:05:32,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 256 states and 377 transitions. [2022-11-22 02:05:32,026 INFO L78 Accepts]: Start accepts. Automaton has 256 states and 377 transitions. Word has length 99 [2022-11-22 02:05:32,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:05:32,027 INFO L495 AbstractCegarLoop]: Abstraction has 256 states and 377 transitions. [2022-11-22 02:05:32,027 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 3 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2022-11-22 02:05:32,027 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 377 transitions. [2022-11-22 02:05:32,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-11-22 02:05:32,032 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:05:32,032 INFO L195 NwaCegarLoop]: trace histogram [11, 5, 5, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 02:05:32,042 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40af557-668b-4961-a718-91a9f8697e9f/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-11-22 02:05:32,241 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40af557-668b-4961-a718-91a9f8697e9f/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2022-11-22 02:05:32,241 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 02:05:32,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:05:32,242 INFO L85 PathProgramCache]: Analyzing trace with hash -84006546, now seen corresponding path program 1 times [2022-11-22 02:05:32,242 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:05:32,242 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [899397207] [2022-11-22 02:05:32,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:05:32,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:05:32,391 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-22 02:05:32,402 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1480572113] [2022-11-22 02:05:32,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:05:32,402 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 02:05:32,402 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40af557-668b-4961-a718-91a9f8697e9f/bin/utaipan-g80aRyZoba/z3 [2022-11-22 02:05:32,404 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40af557-668b-4961-a718-91a9f8697e9f/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 02:05:32,411 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40af557-668b-4961-a718-91a9f8697e9f/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-22 02:05:32,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:05:33,011 INFO L263 TraceCheckSpWp]: Trace formula consists of 2488 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-22 02:05:33,017 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 02:05:33,193 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 86 proven. 0 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2022-11-22 02:05:33,193 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-22 02:05:33,194 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:05:33,194 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [899397207] [2022-11-22 02:05:33,194 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-22 02:05:33,195 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1480572113] [2022-11-22 02:05:33,195 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1480572113] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:05:33,195 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:05:33,195 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-22 02:05:33,196 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1449863604] [2022-11-22 02:05:33,196 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:05:33,198 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-22 02:05:33,198 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:05:33,199 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-22 02:05:33,199 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-22 02:05:33,199 INFO L87 Difference]: Start difference. First operand 256 states and 377 transitions. Second operand has 6 states, 5 states have (on average 9.0) internal successors, (45), 6 states have internal predecessors, (45), 4 states have call successors, (25), 2 states have call predecessors, (25), 3 states have return successors, (23), 3 states have call predecessors, (23), 4 states have call successors, (23) [2022-11-22 02:05:34,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:05:34,008 INFO L93 Difference]: Finished difference Result 471 states and 693 transitions. [2022-11-22 02:05:34,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-22 02:05:34,009 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 9.0) internal successors, (45), 6 states have internal predecessors, (45), 4 states have call successors, (25), 2 states have call predecessors, (25), 3 states have return successors, (23), 3 states have call predecessors, (23), 4 states have call successors, (23) Word has length 117 [2022-11-22 02:05:34,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:05:34,012 INFO L225 Difference]: With dead ends: 471 [2022-11-22 02:05:34,012 INFO L226 Difference]: Without dead ends: 256 [2022-11-22 02:05:34,014 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 113 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-22 02:05:34,015 INFO L413 NwaCegarLoop]: 299 mSDtfsCounter, 156 mSDsluCounter, 896 mSDsCounter, 0 mSdLazyCounter, 296 mSolverCounterSat, 144 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 158 SdHoareTripleChecker+Valid, 1195 SdHoareTripleChecker+Invalid, 440 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 144 IncrementalHoareTripleChecker+Valid, 296 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-11-22 02:05:34,015 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [158 Valid, 1195 Invalid, 440 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [144 Valid, 296 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-11-22 02:05:34,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 256 states. [2022-11-22 02:05:34,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 256 to 256. [2022-11-22 02:05:34,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 256 states, 132 states have (on average 1.1893939393939394) internal successors, (157), 134 states have internal predecessors, (157), 101 states have call successors, (101), 21 states have call predecessors, (101), 22 states have return successors, (116), 100 states have call predecessors, (116), 100 states have call successors, (116) [2022-11-22 02:05:34,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 256 states and 374 transitions. [2022-11-22 02:05:34,048 INFO L78 Accepts]: Start accepts. Automaton has 256 states and 374 transitions. Word has length 117 [2022-11-22 02:05:34,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:05:34,049 INFO L495 AbstractCegarLoop]: Abstraction has 256 states and 374 transitions. [2022-11-22 02:05:34,049 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 9.0) internal successors, (45), 6 states have internal predecessors, (45), 4 states have call successors, (25), 2 states have call predecessors, (25), 3 states have return successors, (23), 3 states have call predecessors, (23), 4 states have call successors, (23) [2022-11-22 02:05:34,050 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 374 transitions. [2022-11-22 02:05:34,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2022-11-22 02:05:34,052 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:05:34,052 INFO L195 NwaCegarLoop]: trace histogram [11, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 02:05:34,068 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40af557-668b-4961-a718-91a9f8697e9f/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-22 02:05:34,268 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40af557-668b-4961-a718-91a9f8697e9f/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2022-11-22 02:05:34,269 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 02:05:34,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:05:34,270 INFO L85 PathProgramCache]: Analyzing trace with hash 343865442, now seen corresponding path program 2 times [2022-11-22 02:05:34,270 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:05:34,270 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [641145106] [2022-11-22 02:05:34,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:05:34,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:05:34,400 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-22 02:05:34,402 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2034402447] [2022-11-22 02:05:34,403 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-22 02:05:34,403 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 02:05:34,403 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40af557-668b-4961-a718-91a9f8697e9f/bin/utaipan-g80aRyZoba/z3 [2022-11-22 02:05:34,405 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40af557-668b-4961-a718-91a9f8697e9f/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 02:05:34,427 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40af557-668b-4961-a718-91a9f8697e9f/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-22 02:05:35,201 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2022-11-22 02:05:35,202 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-22 02:05:35,210 INFO L263 TraceCheckSpWp]: Trace formula consists of 1839 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-22 02:05:35,216 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 02:05:35,247 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2022-11-22 02:05:35,248 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-22 02:05:35,248 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:05:35,248 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [641145106] [2022-11-22 02:05:35,248 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-22 02:05:35,248 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2034402447] [2022-11-22 02:05:35,249 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2034402447] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:05:35,249 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:05:35,249 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-22 02:05:35,249 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [133253285] [2022-11-22 02:05:35,249 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:05:35,250 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-22 02:05:35,250 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:05:35,251 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-22 02:05:35,251 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-22 02:05:35,252 INFO L87 Difference]: Start difference. First operand 256 states and 374 transitions. Second operand has 5 states, 3 states have (on average 14.666666666666666) internal successors, (44), 4 states have internal predecessors, (44), 3 states have call successors, (25), 2 states have call predecessors, (25), 4 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2022-11-22 02:05:35,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:05:35,787 INFO L93 Difference]: Finished difference Result 467 states and 684 transitions. [2022-11-22 02:05:35,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-22 02:05:35,788 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 3 states have (on average 14.666666666666666) internal successors, (44), 4 states have internal predecessors, (44), 3 states have call successors, (25), 2 states have call predecessors, (25), 4 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) Word has length 126 [2022-11-22 02:05:35,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:05:35,791 INFO L225 Difference]: With dead ends: 467 [2022-11-22 02:05:35,791 INFO L226 Difference]: Without dead ends: 256 [2022-11-22 02:05:35,792 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 122 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-22 02:05:35,793 INFO L413 NwaCegarLoop]: 305 mSDtfsCounter, 0 mSDsluCounter, 870 mSDsCounter, 0 mSdLazyCounter, 251 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1175 SdHoareTripleChecker+Invalid, 251 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 251 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-22 02:05:35,793 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1175 Invalid, 251 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 251 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-22 02:05:35,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 256 states. [2022-11-22 02:05:35,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 256 to 256. [2022-11-22 02:05:35,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 256 states, 132 states have (on average 1.1893939393939394) internal successors, (157), 134 states have internal predecessors, (157), 101 states have call successors, (101), 21 states have call predecessors, (101), 22 states have return successors, (115), 100 states have call predecessors, (115), 100 states have call successors, (115) [2022-11-22 02:05:35,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 256 states and 373 transitions. [2022-11-22 02:05:35,815 INFO L78 Accepts]: Start accepts. Automaton has 256 states and 373 transitions. Word has length 126 [2022-11-22 02:05:35,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:05:35,816 INFO L495 AbstractCegarLoop]: Abstraction has 256 states and 373 transitions. [2022-11-22 02:05:35,816 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 3 states have (on average 14.666666666666666) internal successors, (44), 4 states have internal predecessors, (44), 3 states have call successors, (25), 2 states have call predecessors, (25), 4 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2022-11-22 02:05:35,816 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 373 transitions. [2022-11-22 02:05:35,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-11-22 02:05:35,818 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:05:35,818 INFO L195 NwaCegarLoop]: trace histogram [11, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 02:05:35,835 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40af557-668b-4961-a718-91a9f8697e9f/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-22 02:05:36,027 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40af557-668b-4961-a718-91a9f8697e9f/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 02:05:36,028 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 02:05:36,028 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:05:36,028 INFO L85 PathProgramCache]: Analyzing trace with hash -2071297224, now seen corresponding path program 3 times [2022-11-22 02:05:36,028 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:05:36,029 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1873736399] [2022-11-22 02:05:36,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:05:36,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:05:36,151 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-22 02:05:36,151 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1273925951] [2022-11-22 02:05:36,152 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-11-22 02:05:36,152 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 02:05:36,152 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40af557-668b-4961-a718-91a9f8697e9f/bin/utaipan-g80aRyZoba/z3 [2022-11-22 02:05:36,153 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40af557-668b-4961-a718-91a9f8697e9f/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 02:05:36,179 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40af557-668b-4961-a718-91a9f8697e9f/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-22 02:05:36,819 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-11-22 02:05:36,819 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-22 02:05:36,832 INFO L263 TraceCheckSpWp]: Trace formula consists of 2752 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-22 02:05:36,838 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 02:05:36,967 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked. [2022-11-22 02:05:36,967 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-22 02:05:36,967 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:05:36,967 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1873736399] [2022-11-22 02:05:36,968 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-22 02:05:36,968 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1273925951] [2022-11-22 02:05:36,968 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1273925951] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:05:36,968 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:05:36,968 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-22 02:05:36,969 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [856933600] [2022-11-22 02:05:36,969 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:05:36,969 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-22 02:05:36,970 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:05:36,970 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-22 02:05:36,970 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-11-22 02:05:36,971 INFO L87 Difference]: Start difference. First operand 256 states and 373 transitions. Second operand has 8 states, 8 states have (on average 5.125) internal successors, (41), 7 states have internal predecessors, (41), 5 states have call successors, (25), 3 states have call predecessors, (25), 2 states have return successors, (23), 5 states have call predecessors, (23), 4 states have call successors, (23) [2022-11-22 02:05:37,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:05:37,819 INFO L93 Difference]: Finished difference Result 476 states and 694 transitions. [2022-11-22 02:05:37,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-22 02:05:37,824 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.125) internal successors, (41), 7 states have internal predecessors, (41), 5 states have call successors, (25), 3 states have call predecessors, (25), 2 states have return successors, (23), 5 states have call predecessors, (23), 4 states have call successors, (23) Word has length 135 [2022-11-22 02:05:37,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:05:37,827 INFO L225 Difference]: With dead ends: 476 [2022-11-22 02:05:37,827 INFO L226 Difference]: Without dead ends: 266 [2022-11-22 02:05:37,828 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2022-11-22 02:05:37,829 INFO L413 NwaCegarLoop]: 300 mSDtfsCounter, 159 mSDsluCounter, 1470 mSDsCounter, 0 mSdLazyCounter, 459 mSolverCounterSat, 146 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 161 SdHoareTripleChecker+Valid, 1770 SdHoareTripleChecker+Invalid, 605 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 146 IncrementalHoareTripleChecker+Valid, 459 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-11-22 02:05:37,829 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [161 Valid, 1770 Invalid, 605 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [146 Valid, 459 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-11-22 02:05:37,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2022-11-22 02:05:37,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 266. [2022-11-22 02:05:37,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 266 states, 136 states have (on average 1.1838235294117647) internal successors, (161), 138 states have internal predecessors, (161), 106 states have call successors, (106), 22 states have call predecessors, (106), 23 states have return successors, (120), 105 states have call predecessors, (120), 105 states have call successors, (120) [2022-11-22 02:05:37,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 266 states and 387 transitions. [2022-11-22 02:05:37,849 INFO L78 Accepts]: Start accepts. Automaton has 266 states and 387 transitions. Word has length 135 [2022-11-22 02:05:37,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:05:37,850 INFO L495 AbstractCegarLoop]: Abstraction has 266 states and 387 transitions. [2022-11-22 02:05:37,851 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.125) internal successors, (41), 7 states have internal predecessors, (41), 5 states have call successors, (25), 3 states have call predecessors, (25), 2 states have return successors, (23), 5 states have call predecessors, (23), 4 states have call successors, (23) [2022-11-22 02:05:37,851 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 387 transitions. [2022-11-22 02:05:37,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2022-11-22 02:05:37,853 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:05:37,853 INFO L195 NwaCegarLoop]: trace histogram [11, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 02:05:37,875 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40af557-668b-4961-a718-91a9f8697e9f/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-22 02:05:38,063 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40af557-668b-4961-a718-91a9f8697e9f/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 02:05:38,064 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 02:05:38,064 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:05:38,064 INFO L85 PathProgramCache]: Analyzing trace with hash -383080950, now seen corresponding path program 1 times [2022-11-22 02:05:38,064 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:05:38,064 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [524398053] [2022-11-22 02:05:38,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:05:38,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:05:38,189 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-22 02:05:38,189 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1942478936] [2022-11-22 02:05:38,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:05:38,190 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 02:05:38,190 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40af557-668b-4961-a718-91a9f8697e9f/bin/utaipan-g80aRyZoba/z3 [2022-11-22 02:05:38,192 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40af557-668b-4961-a718-91a9f8697e9f/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 02:05:38,215 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40af557-668b-4961-a718-91a9f8697e9f/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-22 02:05:38,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:05:38,860 INFO L263 TraceCheckSpWp]: Trace formula consists of 2884 conjuncts, 56 conjunts are in the unsatisfiable core [2022-11-22 02:05:38,867 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 02:05:39,100 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 122 proven. 6 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2022-11-22 02:05:39,100 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-22 02:05:39,682 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 8 proven. 2 refuted. 0 times theorem prover too weak. 230 trivial. 0 not checked. [2022-11-22 02:05:39,682 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:05:39,682 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [524398053] [2022-11-22 02:05:39,683 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-22 02:05:39,683 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1942478936] [2022-11-22 02:05:39,683 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1942478936] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-22 02:05:39,683 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1501644769] [2022-11-22 02:05:39,712 INFO L159 IcfgInterpreter]: Started Sifa with 73 locations of interest [2022-11-22 02:05:39,712 INFO L166 IcfgInterpreter]: Building call graph [2022-11-22 02:05:39,716 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-22 02:05:39,721 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-22 02:05:39,722 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-22 02:05:43,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:05:43,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:05:43,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:05:43,981 INFO L217 Elim1Store]: Index analysis took 412 ms [2022-11-22 02:06:13,926 WARN L233 SmtUtils]: Spent 29.86s on a formula simplification. DAG size of input: 2128 DAG size of output: 1161 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-22 02:06:13,932 INFO L321 Elim1Store]: treesize reduction 3474, result has 33.3 percent of original size [2022-11-22 02:06:13,937 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 198 select indices, 198 select index equivalence classes, 19310 disjoint index pairs (out of 19503 index pairs), introduced 198 new quantified variables, introduced 386 case distinctions, treesize of input 997 treesize of output 2357 [2022-11-22 02:06:17,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:06:17,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:06:17,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:06:17,554 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 [2022-11-22 02:07:20,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:07:20,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:07:20,711 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 29 [2022-11-22 02:07:20,718 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 [2022-11-22 02:07:20,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:07:20,727 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 44 treesize of output 43 [2022-11-22 02:07:20,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:07:20,736 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 44 treesize of output 43 [2022-11-22 02:07:24,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:07:24,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:07:24,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:07:24,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:07:24,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:07:24,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:07:24,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:07:24,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:07:24,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:07:24,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:07:24,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:07:24,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:07:24,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:07:24,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:07:24,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:07:24,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:07:24,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:07:24,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:07:24,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:07:24,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:07:24,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:07:24,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:07:24,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:07:24,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:07:24,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:07:24,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:07:24,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:07:24,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:07:24,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:07:24,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:07:24,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:07:24,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:07:24,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:07:24,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:07:24,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:07:24,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:07:24,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:07:24,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:07:24,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:07:24,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:07:24,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:07:24,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:07:24,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:07:24,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:07:24,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:07:24,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:07:24,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:07:24,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:07:24,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:07:24,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:07:24,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:07:24,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:07:24,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:07:24,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:07:24,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:07:24,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:07:24,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:07:24,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:07:24,134 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-22 02:07:24,136 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 55 select indices, 55 select index equivalence classes, 1245 disjoint index pairs (out of 1485 index pairs), introduced 55 new quantified variables, introduced 4 case distinctions, treesize of input 644 treesize of output 304 [2022-11-22 02:07:24,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:07:24,558 INFO L321 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-11-22 02:07:24,563 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 198 select indices, 198 select index equivalence classes, 19501 disjoint index pairs (out of 19503 index pairs), introduced 198 new quantified variables, introduced 2 case distinctions, treesize of input 991 treesize of output 595 [2022-11-22 02:07:25,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:07:25,150 INFO L321 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-11-22 02:07:25,155 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 197 select indices, 197 select index equivalence classes, 19305 disjoint index pairs (out of 19306 index pairs), introduced 197 new quantified variables, introduced 2 case distinctions, treesize of input 986 treesize of output 592 [2022-11-22 02:07:25,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:07:25,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:07:25,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:07:25,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:07:25,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:07:25,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:07:25,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:07:25,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:07:25,788 INFO L217 Elim1Store]: Index analysis took 128 ms [2022-11-22 02:07:25,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:07:25,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:07:25,806 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:07:25,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:07:25,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:07:25,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:07:25,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:07:25,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:07:25,832 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:07:25,908 INFO L321 Elim1Store]: treesize reduction 16, result has 36.0 percent of original size [2022-11-22 02:07:25,913 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 195 select indices, 195 select index equivalence classes, 17053 disjoint index pairs (out of 18915 index pairs), introduced 195 new quantified variables, introduced 18 case distinctions, treesize of input 1752 treesize of output 594 [2022-11-22 02:07:26,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:07:26,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:07:26,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:07:26,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:07:26,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:07:26,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:07:26,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:07:26,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:07:26,578 INFO L217 Elim1Store]: Index analysis took 123 ms [2022-11-22 02:07:26,615 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 195 select indices, 195 select index equivalence classes, 17052 disjoint index pairs (out of 18915 index pairs), introduced 195 new quantified variables, introduced 0 case distinctions, treesize of input 1752 treesize of output 586 [2022-11-22 02:07:35,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:07:35,752 INFO L321 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-11-22 02:07:35,757 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 198 select indices, 198 select index equivalence classes, 19501 disjoint index pairs (out of 19503 index pairs), introduced 198 new quantified variables, introduced 2 case distinctions, treesize of input 991 treesize of output 595 [2022-11-22 02:07:36,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:07:36,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:07:36,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:07:36,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:07:36,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:07:36,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:07:36,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:07:36,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:07:36,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:07:36,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:07:36,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:07:36,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:07:36,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:07:36,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:07:36,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:07:36,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:07:36,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:07:36,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:07:36,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:07:36,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:07:36,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:07:36,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:07:36,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:07:36,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:07:36,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:07:36,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:07:36,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:07:36,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:07:36,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:07:36,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:07:36,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:07:36,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:07:36,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:07:36,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:07:36,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:07:36,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:07:36,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:07:36,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:07:36,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:07:36,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:07:36,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:07:36,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:07:36,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:07:36,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:07:36,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:07:36,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:07:36,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:07:36,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:07:36,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:07:36,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:07:36,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:07:36,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:07:36,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:07:36,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:07:36,248 INFO L217 Elim1Store]: Index analysis took 114 ms [2022-11-22 02:07:36,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:07:36,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:07:36,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:07:36,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:07:36,279 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-22 02:07:36,280 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 55 select indices, 55 select index equivalence classes, 1245 disjoint index pairs (out of 1485 index pairs), introduced 55 new quantified variables, introduced 4 case distinctions, treesize of input 644 treesize of output 304 [2022-11-22 02:07:36,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:07:36,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:07:36,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:07:36,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:07:36,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:07:36,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:07:36,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:07:36,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:07:36,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:07:36,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:07:36,788 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:07:36,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:07:36,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:07:36,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:07:36,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:07:36,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:07:36,808 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:07:36,882 INFO L321 Elim1Store]: treesize reduction 16, result has 36.0 percent of original size [2022-11-22 02:07:36,887 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 195 select indices, 195 select index equivalence classes, 17053 disjoint index pairs (out of 18915 index pairs), introduced 195 new quantified variables, introduced 18 case distinctions, treesize of input 1752 treesize of output 594 [2022-11-22 02:07:37,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:07:37,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:07:37,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:07:37,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:07:37,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:07:37,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:07:37,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:07:37,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:07:37,539 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 195 select indices, 195 select index equivalence classes, 17052 disjoint index pairs (out of 18915 index pairs), introduced 195 new quantified variables, introduced 0 case distinctions, treesize of input 1752 treesize of output 586 [2022-11-22 02:07:37,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:07:37,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:07:37,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:07:37,970 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 197 select indices, 197 select index equivalence classes, 19309 disjoint index pairs (out of 19306 index pairs), introduced 197 new quantified variables, introduced 0 case distinctions, treesize of input 986 treesize of output 592 [2022-11-22 02:07:39,111 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 [2022-11-22 02:07:39,117 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 [2022-11-22 02:07:39,145 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 [2022-11-22 02:07:39,150 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 [2022-11-22 02:07:39,185 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 [2022-11-22 02:07:39,193 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 [2022-11-22 02:07:39,203 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 [2022-11-22 02:07:39,213 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 [2022-11-22 02:07:39,269 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-22 02:07:39,270 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 38 [2022-11-22 02:07:39,284 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 [2022-11-22 02:07:39,291 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 [2022-11-22 02:07:39,350 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-22 02:07:39,351 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 38 [2022-11-22 02:07:39,361 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 [2022-11-22 02:07:39,370 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 [2022-11-22 02:07:39,423 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 6 treesize of output 5 [2022-11-22 02:07:40,455 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 197 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2022-11-22 02:07:40,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:07:40,564 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 197 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 30 [2022-11-22 02:07:40,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:07:40,606 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 197 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 24 [2022-11-22 02:07:41,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:07:41,662 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 197 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 30 [2022-11-22 02:07:41,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:07:41,704 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 197 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 24 [2022-11-22 02:07:41,789 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 197 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2022-11-22 02:07:43,282 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-11-22 02:07:43,283 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 9 treesize of output 15 [2022-11-22 02:07:43,338 INFO L321 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-11-22 02:07:43,339 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 24 treesize of output 21 [2022-11-22 02:07:43,603 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 [2022-11-22 02:07:43,615 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 [2022-11-22 02:07:43,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:07:43,642 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:07:43,643 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:07:43,643 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:07:43,651 INFO L321 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2022-11-22 02:07:43,651 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 81 treesize of output 33 [2022-11-22 02:07:43,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:07:43,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:07:43,673 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:07:43,682 INFO L321 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-11-22 02:07:43,683 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 70 treesize of output 38 [2022-11-22 02:07:43,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:07:43,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:07:43,702 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:07:43,711 INFO L321 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-11-22 02:07:43,712 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 64 treesize of output 32 [2022-11-22 02:07:43,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:07:43,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:07:43,845 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:07:43,853 INFO L321 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-11-22 02:07:43,853 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 70 treesize of output 38 [2022-11-22 02:07:43,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:07:43,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:07:43,870 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:07:43,878 INFO L321 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-11-22 02:07:43,878 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 64 treesize of output 32 [2022-11-22 02:07:43,990 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 [2022-11-22 02:07:44,008 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 [2022-11-22 02:07:44,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:07:44,027 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:07:44,027 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:07:44,028 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:07:44,037 INFO L321 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2022-11-22 02:07:44,038 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 81 treesize of output 33 [2022-11-22 02:08:01,515 INFO L197 IcfgInterpreter]: Interpreting procedure aws_array_list_is_valid with input of size 76 for LOIs [2022-11-22 02:08:01,546 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 [2022-11-22 02:08:01,576 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 [2022-11-22 02:08:01,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:08:01,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:08:01,702 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-22 02:08:01,703 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 10 [2022-11-22 02:08:01,718 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 [2022-11-22 02:08:01,730 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 [2022-11-22 02:08:01,851 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 [2022-11-22 02:08:01,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:08:01,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:08:01,876 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-22 02:08:01,876 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 10 [2022-11-22 02:08:01,898 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 [2022-11-22 02:08:02,140 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 6 treesize of output 5 [2022-11-22 02:08:02,348 INFO L197 IcfgInterpreter]: Interpreting procedure aws_array_list_is_bounded with input of size 2820 for LOIs [2022-11-22 02:08:05,548 INFO L197 IcfgInterpreter]: Interpreting procedure aws_mul_size_checked with input of size 94 for LOIs [2022-11-22 02:08:05,849 INFO L197 IcfgInterpreter]: Interpreting procedure __CPROVER_overflow_mult with input of size 80 for LOIs [2022-11-22 02:08:05,873 INFO L197 IcfgInterpreter]: Interpreting procedure ensure_array_list_has_allocated_data_member with input of size 2866 for LOIs [2022-11-22 02:09:49,567 INFO L197 IcfgInterpreter]: Interpreting procedure can_fail_allocator with input of size 2864 for LOIs [2022-11-22 02:09:56,032 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 70 for LOIs [2022-11-22 02:09:56,039 INFO L197 IcfgInterpreter]: Interpreting procedure can_fail_malloc with input of size 88 for LOIs [2022-11-22 02:09:56,166 INFO L197 IcfgInterpreter]: Interpreting procedure nondet_bool with input of size 82 for LOIs [2022-11-22 02:09:56,177 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-22 02:12:31,869 WARN L233 SmtUtils]: Spent 2.58m on a formula simplification. DAG size of input: 2815 DAG size of output: 2431 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-22 02:15:10,724 WARN L233 SmtUtils]: Spent 2.63m on a formula simplification. DAG size of input: 2820 DAG size of output: 2436 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-22 02:18:26,845 WARN L233 SmtUtils]: Spent 3.25m on a formula simplification. DAG size of input: 2862 DAG size of output: 2478 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)