./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_array_list_back_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 38b53e6a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03ffc2ac-f02f-4375-a5b5-66349876099f/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03ffc2ac-f02f-4375-a5b5-66349876099f/bin/utaipan-ByfvJB40ur/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03ffc2ac-f02f-4375-a5b5-66349876099f/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03ffc2ac-f02f-4375-a5b5-66349876099f/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_array_list_back_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03ffc2ac-f02f-4375-a5b5-66349876099f/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03ffc2ac-f02f-4375-a5b5-66349876099f/bin/utaipan-ByfvJB40ur --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 43b2ef256b4d1a93a084f86d3d9a0522c1b29c695f7bf9f8438f4c917cc80da0 --- 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-38b53e6 [2022-11-25 22:31:42,958 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 22:31:42,961 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 22:31:43,011 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 22:31:43,013 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 22:31:43,018 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 22:31:43,020 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 22:31:43,024 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 22:31:43,031 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 22:31:43,033 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 22:31:43,035 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 22:31:43,038 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 22:31:43,040 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 22:31:43,045 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 22:31:43,047 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 22:31:43,049 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 22:31:43,052 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 22:31:43,058 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 22:31:43,060 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 22:31:43,062 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 22:31:43,067 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 22:31:43,068 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 22:31:43,070 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 22:31:43,074 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 22:31:43,078 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 22:31:43,083 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 22:31:43,084 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 22:31:43,085 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 22:31:43,087 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 22:31:43,088 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 22:31:43,089 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 22:31:43,090 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 22:31:43,092 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 22:31:43,093 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 22:31:43,094 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 22:31:43,095 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 22:31:43,096 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 22:31:43,096 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 22:31:43,096 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 22:31:43,098 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 22:31:43,099 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 22:31:43,100 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03ffc2ac-f02f-4375-a5b5-66349876099f/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-25 22:31:43,144 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 22:31:43,144 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 22:31:43,145 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 22:31:43,145 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 22:31:43,146 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 22:31:43,147 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 22:31:43,147 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-25 22:31:43,147 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-25 22:31:43,148 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-25 22:31:43,148 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-25 22:31:43,149 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-25 22:31:43,149 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-25 22:31:43,150 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-25 22:31:43,150 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-25 22:31:43,150 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-25 22:31:43,151 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-25 22:31:43,151 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-25 22:31:43,151 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-25 22:31:43,153 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 22:31:43,153 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 22:31:43,153 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 22:31:43,153 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 22:31:43,154 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 22:31:43,154 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 22:31:43,154 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 22:31:43,154 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 22:31:43,155 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 22:31:43,156 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 22:31:43,156 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 22:31:43,156 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 22:31:43,156 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 22:31:43,157 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-25 22:31:43,157 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 22:31:43,157 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 22:31:43,158 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-25 22:31:43,158 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 22:31:43,158 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 22:31:43,158 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-25 22:31:43,159 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_03ffc2ac-f02f-4375-a5b5-66349876099f/bin/utaipan-ByfvJB40ur/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03ffc2ac-f02f-4375-a5b5-66349876099f/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 43b2ef256b4d1a93a084f86d3d9a0522c1b29c695f7bf9f8438f4c917cc80da0 [2022-11-25 22:31:43,537 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 22:31:43,561 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 22:31:43,564 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 22:31:43,565 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 22:31:43,566 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 22:31:43,567 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03ffc2ac-f02f-4375-a5b5-66349876099f/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/aws-c-common/aws_array_list_back_harness.i [2022-11-25 22:31:47,097 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 22:31:47,779 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 22:31:47,783 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03ffc2ac-f02f-4375-a5b5-66349876099f/sv-benchmarks/c/aws-c-common/aws_array_list_back_harness.i [2022-11-25 22:31:47,826 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03ffc2ac-f02f-4375-a5b5-66349876099f/bin/utaipan-ByfvJB40ur/data/9db984bb6/86ac4b977f324a5c91c1603a7570145a/FLAG8a27b1e98 [2022-11-25 22:31:47,850 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03ffc2ac-f02f-4375-a5b5-66349876099f/bin/utaipan-ByfvJB40ur/data/9db984bb6/86ac4b977f324a5c91c1603a7570145a [2022-11-25 22:31:47,855 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 22:31:47,859 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 22:31:47,862 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 22:31:47,863 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 22:31:47,868 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 22:31:47,869 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:31:47" (1/1) ... [2022-11-25 22:31:47,870 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62a69af4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:31:47, skipping insertion in model container [2022-11-25 22:31:47,871 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:31:47" (1/1) ... [2022-11-25 22:31:47,880 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 22:31:48,003 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 22:31:48,366 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_03ffc2ac-f02f-4375-a5b5-66349876099f/sv-benchmarks/c/aws-c-common/aws_array_list_back_harness.i[4493,4506] [2022-11-25 22:31:48,378 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_03ffc2ac-f02f-4375-a5b5-66349876099f/sv-benchmarks/c/aws-c-common/aws_array_list_back_harness.i[4553,4566] [2022-11-25 22:31:49,935 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-25 22:31:50,045 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-25 22:31:50,054 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 22:31:50,057 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 22:31:50,058 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 22:31:50,059 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 22:31:50,060 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 22:31:50,062 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-25 22:31:50,073 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 22:31:50,073 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-25 22:31:50,074 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 22:31:50,076 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 22:31:50,076 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 22:31:50,078 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 22:31:50,079 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-25 22:31:50,080 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 22:31:50,081 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 22:31:50,081 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 22:31:50,209 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-11-25 22:31:50,211 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-11-25 22:31:50,214 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-11-25 22:31:50,222 WARN L623 FunctionHandler]: Unknown extern function ntohl [2022-11-25 22:31:50,225 WARN L623 FunctionHandler]: Unknown extern function htons [2022-11-25 22:31:50,225 WARN L623 FunctionHandler]: Unknown extern function ntohs [2022-11-25 22:31:50,631 WARN L623 FunctionHandler]: Unknown extern function my_abort [2022-11-25 22:31:50,632 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-25 22:31:50,633 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-25 22:31:50,635 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-25 22:31:50,636 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-25 22:31:50,638 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-25 22:31:50,639 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-25 22:31:50,640 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-25 22:31:50,640 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-25 22:31:50,641 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-25 22:31:50,642 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-25 22:31:50,906 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 22:31:50,909 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-25 22:31:50,912 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-25 22:31:50,914 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-25 22:31:50,916 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 22:31:50,918 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-25 22:31:50,922 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-25 22:31:50,923 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-25 22:31:50,923 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-25 22:31:50,924 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-25 22:31:50,925 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-25 22:31:50,925 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-25 22:31:50,972 WARN L623 FunctionHandler]: Unknown extern function fprintf [2022-11-25 22:31:50,980 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 22:31:51,014 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 22:31:51,031 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_03ffc2ac-f02f-4375-a5b5-66349876099f/sv-benchmarks/c/aws-c-common/aws_array_list_back_harness.i[4493,4506] [2022-11-25 22:31:51,031 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_03ffc2ac-f02f-4375-a5b5-66349876099f/sv-benchmarks/c/aws-c-common/aws_array_list_back_harness.i[4553,4566] [2022-11-25 22:31:51,070 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-25 22:31:51,086 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-25 22:31:51,090 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 22:31:51,090 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 22:31:51,091 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 22:31:51,092 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 22:31:51,093 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 22:31:51,095 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-25 22:31:51,103 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 22:31:51,108 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-25 22:31:51,109 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 22:31:51,110 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 22:31:51,111 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 22:31:51,122 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 22:31:51,123 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-25 22:31:51,123 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 22:31:51,124 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 22:31:51,124 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 22:31:51,132 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-11-25 22:31:51,132 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-11-25 22:31:51,133 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-11-25 22:31:51,137 WARN L623 FunctionHandler]: Unknown extern function ntohl [2022-11-25 22:31:51,138 WARN L623 FunctionHandler]: Unknown extern function htons [2022-11-25 22:31:51,139 WARN L623 FunctionHandler]: Unknown extern function ntohs [2022-11-25 22:31:51,162 WARN L623 FunctionHandler]: Unknown extern function my_abort [2022-11-25 22:31:51,163 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-25 22:31:51,164 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-25 22:31:51,165 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-25 22:31:51,166 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-25 22:31:51,167 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-25 22:31:51,167 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-25 22:31:51,168 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-25 22:31:51,168 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-25 22:31:51,169 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-25 22:31:51,169 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-25 22:31:51,202 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 22:31:51,217 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-25 22:31:51,225 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-25 22:31:51,230 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-25 22:31:51,232 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 22:31:51,234 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-25 22:31:51,237 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-25 22:31:51,239 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-25 22:31:51,239 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-25 22:31:51,240 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-25 22:31:51,241 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-25 22:31:51,241 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-25 22:31:51,288 WARN L623 FunctionHandler]: Unknown extern function fprintf [2022-11-25 22:31:51,295 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 22:31:51,652 INFO L208 MainTranslator]: Completed translation [2022-11-25 22:31:51,653 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:31:51 WrapperNode [2022-11-25 22:31:51,653 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 22:31:51,655 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 22:31:51,655 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 22:31:51,656 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 22:31:51,665 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:31:51" (1/1) ... [2022-11-25 22:31:51,802 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:31:51" (1/1) ... [2022-11-25 22:31:51,920 INFO L138 Inliner]: procedures = 691, calls = 1681, calls flagged for inlining = 53, calls inlined = 9, statements flattened = 655 [2022-11-25 22:31:51,921 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 22:31:51,922 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 22:31:51,929 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 22:31:51,930 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 22:31:51,939 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:31:51" (1/1) ... [2022-11-25 22:31:51,940 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:31:51" (1/1) ... [2022-11-25 22:31:51,948 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:31:51" (1/1) ... [2022-11-25 22:31:51,949 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:31:51" (1/1) ... [2022-11-25 22:31:51,988 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:31:51" (1/1) ... [2022-11-25 22:31:51,993 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:31:51" (1/1) ... [2022-11-25 22:31:52,002 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:31:51" (1/1) ... [2022-11-25 22:31:52,006 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:31:51" (1/1) ... [2022-11-25 22:31:52,018 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 22:31:52,019 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 22:31:52,019 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 22:31:52,019 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 22:31:52,020 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:31:51" (1/1) ... [2022-11-25 22:31:52,029 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 22:31:52,044 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03ffc2ac-f02f-4375-a5b5-66349876099f/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 22:31:52,077 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03ffc2ac-f02f-4375-a5b5-66349876099f/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 22:31:52,116 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03ffc2ac-f02f-4375-a5b5-66349876099f/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 22:31:52,151 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-25 22:31:52,152 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2022-11-25 22:31:52,152 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2022-11-25 22:31:52,152 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2022-11-25 22:31:52,152 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2022-11-25 22:31:52,153 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2022-11-25 22:31:52,153 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2022-11-25 22:31:52,153 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-25 22:31:52,153 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2022-11-25 22:31:52,154 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2022-11-25 22:31:52,154 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-11-25 22:31:52,155 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-11-25 22:31:52,156 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-25 22:31:52,160 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 22:31:52,161 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-25 22:31:52,161 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2022-11-25 22:31:52,161 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2022-11-25 22:31:52,162 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 22:31:52,162 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 22:31:52,164 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2022-11-25 22:31:52,164 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2022-11-25 22:31:52,164 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2022-11-25 22:31:52,169 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2022-11-25 22:31:52,170 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2022-11-25 22:31:52,170 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2022-11-25 22:31:52,170 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2022-11-25 22:31:52,170 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2022-11-25 22:31:52,171 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_length [2022-11-25 22:31:52,171 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_length [2022-11-25 22:31:52,171 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-25 22:31:52,171 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-25 22:31:52,171 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2022-11-25 22:31:52,172 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2022-11-25 22:31:52,172 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-25 22:31:52,172 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-25 22:31:52,172 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-25 22:31:52,173 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2022-11-25 22:31:52,173 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2022-11-25 22:31:52,173 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2022-11-25 22:31:52,173 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2022-11-25 22:31:52,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-25 22:31:52,174 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2022-11-25 22:31:52,174 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2022-11-25 22:31:52,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 22:31:52,633 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 22:31:52,636 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 22:31:54,002 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 22:31:54,245 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 22:31:54,245 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-25 22:31:54,250 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 10:31:54 BoogieIcfgContainer [2022-11-25 22:31:54,250 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 22:31:54,253 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 22:31:54,253 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 22:31:54,258 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 22:31:54,258 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 10:31:47" (1/3) ... [2022-11-25 22:31:54,261 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c6bbb84 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 10:31:54, skipping insertion in model container [2022-11-25 22:31:54,261 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:31:51" (2/3) ... [2022-11-25 22:31:54,262 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c6bbb84 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 10:31:54, skipping insertion in model container [2022-11-25 22:31:54,262 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 10:31:54" (3/3) ... [2022-11-25 22:31:54,264 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_array_list_back_harness.i [2022-11-25 22:31:54,288 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 22:31:54,288 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-25 22:31:54,381 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 22:31:54,393 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;@7eddac9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 22:31:54,393 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-25 22:31:54,399 INFO L276 IsEmpty]: Start isEmpty. Operand has 149 states, 78 states have (on average 1.1794871794871795) internal successors, (92), 79 states have internal predecessors, (92), 53 states have call successors, (53), 16 states have call predecessors, (53), 16 states have return successors, (53), 53 states have call predecessors, (53), 53 states have call successors, (53) [2022-11-25 22:31:54,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-11-25 22:31:54,418 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:31:54,418 INFO L195 NwaCegarLoop]: trace histogram [10, 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] [2022-11-25 22:31:54,419 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 22:31:54,427 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:31:54,428 INFO L85 PathProgramCache]: Analyzing trace with hash 760808035, now seen corresponding path program 1 times [2022-11-25 22:31:54,439 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:31:54,439 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1991227936] [2022-11-25 22:31:54,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:31:54,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:31:54,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:31:55,893 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2022-11-25 22:31:55,893 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:31:55,894 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1991227936] [2022-11-25 22:31:55,895 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1991227936] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 22:31:55,895 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1589061484] [2022-11-25 22:31:55,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:31:55,896 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 22:31:55,896 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03ffc2ac-f02f-4375-a5b5-66349876099f/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 22:31:55,906 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03ffc2ac-f02f-4375-a5b5-66349876099f/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 22:31:55,927 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03ffc2ac-f02f-4375-a5b5-66349876099f/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-25 22:31:56,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:31:56,627 INFO L263 TraceCheckSpWp]: Trace formula consists of 2212 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-25 22:31:56,642 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 22:31:56,786 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2022-11-25 22:31:56,795 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 22:31:56,796 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1589061484] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:31:56,796 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-25 22:31:56,796 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 8 [2022-11-25 22:31:56,799 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [731643221] [2022-11-25 22:31:56,800 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:31:56,808 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 22:31:56,808 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:31:56,854 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 22:31:56,856 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-11-25 22:31:56,861 INFO L87 Difference]: Start difference. First operand has 149 states, 78 states have (on average 1.1794871794871795) internal successors, (92), 79 states have internal predecessors, (92), 53 states have call successors, (53), 16 states have call predecessors, (53), 16 states have return successors, (53), 53 states have call predecessors, (53), 53 states have call successors, (53) Second operand has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 3 states have call successors, (22), 2 states have call predecessors, (22), 3 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2022-11-25 22:31:57,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:31:57,740 INFO L93 Difference]: Finished difference Result 275 states and 387 transitions. [2022-11-25 22:31:57,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 22:31:57,743 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 3 states have call successors, (22), 2 states have call predecessors, (22), 3 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 95 [2022-11-25 22:31:57,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:31:57,759 INFO L225 Difference]: With dead ends: 275 [2022-11-25 22:31:57,759 INFO L226 Difference]: Without dead ends: 145 [2022-11-25 22:31:57,770 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2022-11-25 22:31:57,780 INFO L413 NwaCegarLoop]: 160 mSDtfsCounter, 39 mSDsluCounter, 398 mSDsCounter, 0 mSdLazyCounter, 155 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 558 SdHoareTripleChecker+Invalid, 157 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 155 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-11-25 22:31:57,785 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 558 Invalid, 157 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 155 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-11-25 22:31:57,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2022-11-25 22:31:57,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 145. [2022-11-25 22:31:57,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 145 states, 75 states have (on average 1.1333333333333333) internal successors, (85), 77 states have internal predecessors, (85), 53 states have call successors, (53), 16 states have call predecessors, (53), 16 states have return successors, (56), 51 states have call predecessors, (56), 51 states have call successors, (56) [2022-11-25 22:31:57,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 194 transitions. [2022-11-25 22:31:57,881 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 194 transitions. Word has length 95 [2022-11-25 22:31:57,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:31:57,881 INFO L495 AbstractCegarLoop]: Abstraction has 145 states and 194 transitions. [2022-11-25 22:31:57,882 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 3 states have call successors, (22), 2 states have call predecessors, (22), 3 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2022-11-25 22:31:57,882 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 194 transitions. [2022-11-25 22:31:57,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-11-25 22:31:57,896 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:31:57,897 INFO L195 NwaCegarLoop]: trace histogram [10, 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] [2022-11-25 22:31:57,917 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03ffc2ac-f02f-4375-a5b5-66349876099f/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-25 22:31:58,111 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03ffc2ac-f02f-4375-a5b5-66349876099f/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2022-11-25 22:31:58,112 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 22:31:58,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:31:58,112 INFO L85 PathProgramCache]: Analyzing trace with hash 2068520097, now seen corresponding path program 1 times [2022-11-25 22:31:58,112 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:31:58,113 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [396261608] [2022-11-25 22:31:58,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:31:58,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:31:58,264 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-25 22:31:58,269 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1813246075] [2022-11-25 22:31:58,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:31:58,270 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 22:31:58,270 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03ffc2ac-f02f-4375-a5b5-66349876099f/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 22:31:58,271 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03ffc2ac-f02f-4375-a5b5-66349876099f/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 22:31:58,280 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03ffc2ac-f02f-4375-a5b5-66349876099f/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-25 22:31:58,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:31:58,994 INFO L263 TraceCheckSpWp]: Trace formula consists of 2476 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-25 22:31:59,002 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 22:31:59,142 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2022-11-25 22:31:59,143 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 22:31:59,143 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:31:59,143 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [396261608] [2022-11-25 22:31:59,143 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-25 22:31:59,144 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1813246075] [2022-11-25 22:31:59,144 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1813246075] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:31:59,144 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:31:59,144 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-25 22:31:59,145 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [314622251] [2022-11-25 22:31:59,145 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:31:59,146 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-25 22:31:59,146 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:31:59,147 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-25 22:31:59,147 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-25 22:31:59,148 INFO L87 Difference]: Start difference. First operand 145 states and 194 transitions. Second operand has 6 states, 5 states have (on average 8.8) internal successors, (44), 6 states have internal predecessors, (44), 4 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (22), 3 states have call predecessors, (22), 4 states have call successors, (22) [2022-11-25 22:31:59,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:31:59,790 INFO L93 Difference]: Finished difference Result 236 states and 315 transitions. [2022-11-25 22:31:59,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-25 22:31:59,791 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 8.8) internal successors, (44), 6 states have internal predecessors, (44), 4 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (22), 3 states have call predecessors, (22), 4 states have call successors, (22) Word has length 113 [2022-11-25 22:31:59,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:31:59,793 INFO L225 Difference]: With dead ends: 236 [2022-11-25 22:31:59,794 INFO L226 Difference]: Without dead ends: 145 [2022-11-25 22:31:59,795 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-25 22:31:59,796 INFO L413 NwaCegarLoop]: 150 mSDtfsCounter, 52 mSDsluCounter, 473 mSDsCounter, 0 mSdLazyCounter, 203 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 623 SdHoareTripleChecker+Invalid, 245 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 203 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-25 22:31:59,796 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 623 Invalid, 245 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 203 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-25 22:31:59,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2022-11-25 22:31:59,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 145. [2022-11-25 22:31:59,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 145 states, 75 states have (on average 1.1333333333333333) internal successors, (85), 77 states have internal predecessors, (85), 53 states have call successors, (53), 16 states have call predecessors, (53), 16 states have return successors, (53), 51 states have call predecessors, (53), 51 states have call successors, (53) [2022-11-25 22:31:59,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 191 transitions. [2022-11-25 22:31:59,811 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 191 transitions. Word has length 113 [2022-11-25 22:31:59,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:31:59,820 INFO L495 AbstractCegarLoop]: Abstraction has 145 states and 191 transitions. [2022-11-25 22:31:59,826 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 8.8) internal successors, (44), 6 states have internal predecessors, (44), 4 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (22), 3 states have call predecessors, (22), 4 states have call successors, (22) [2022-11-25 22:31:59,826 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 191 transitions. [2022-11-25 22:31:59,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2022-11-25 22:31:59,837 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:31:59,837 INFO L195 NwaCegarLoop]: trace histogram [10, 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] [2022-11-25 22:31:59,848 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03ffc2ac-f02f-4375-a5b5-66349876099f/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-25 22:32:00,048 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03ffc2ac-f02f-4375-a5b5-66349876099f/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 22:32:00,048 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 22:32:00,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:32:00,049 INFO L85 PathProgramCache]: Analyzing trace with hash -789505348, now seen corresponding path program 2 times [2022-11-25 22:32:00,049 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:32:00,049 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1228230093] [2022-11-25 22:32:00,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:32:00,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:32:00,151 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-25 22:32:00,151 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [920752472] [2022-11-25 22:32:00,152 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-25 22:32:00,152 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 22:32:00,152 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03ffc2ac-f02f-4375-a5b5-66349876099f/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 22:32:00,153 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03ffc2ac-f02f-4375-a5b5-66349876099f/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 22:32:00,178 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03ffc2ac-f02f-4375-a5b5-66349876099f/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-25 22:32:00,950 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2022-11-25 22:32:00,950 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-25 22:32:00,957 INFO L263 TraceCheckSpWp]: Trace formula consists of 1839 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-25 22:32:00,964 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 22:32:00,999 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2022-11-25 22:32:01,000 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 22:32:01,000 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:32:01,000 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1228230093] [2022-11-25 22:32:01,000 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-25 22:32:01,001 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [920752472] [2022-11-25 22:32:01,001 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [920752472] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:32:01,001 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:32:01,001 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 22:32:01,002 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1922943359] [2022-11-25 22:32:01,002 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:32:01,002 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 22:32:01,003 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:32:01,003 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 22:32:01,004 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 22:32:01,004 INFO L87 Difference]: Start difference. First operand 145 states and 191 transitions. Second operand has 5 states, 3 states have (on average 14.333333333333334) internal successors, (43), 4 states have internal predecessors, (43), 3 states have call successors, (24), 2 states have call predecessors, (24), 4 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2022-11-25 22:32:01,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:32:01,551 INFO L93 Difference]: Finished difference Result 232 states and 306 transitions. [2022-11-25 22:32:01,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 22:32:01,551 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 3 states have (on average 14.333333333333334) internal successors, (43), 4 states have internal predecessors, (43), 3 states have call successors, (24), 2 states have call predecessors, (24), 4 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) Word has length 122 [2022-11-25 22:32:01,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:32:01,554 INFO L225 Difference]: With dead ends: 232 [2022-11-25 22:32:01,554 INFO L226 Difference]: Without dead ends: 145 [2022-11-25 22:32:01,555 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 22:32:01,556 INFO L413 NwaCegarLoop]: 153 mSDtfsCounter, 0 mSDsluCounter, 438 mSDsCounter, 0 mSdLazyCounter, 159 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 591 SdHoareTripleChecker+Invalid, 159 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 159 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-25 22:32:01,556 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 591 Invalid, 159 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 159 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-25 22:32:01,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2022-11-25 22:32:01,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 145. [2022-11-25 22:32:01,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 145 states, 75 states have (on average 1.1333333333333333) internal successors, (85), 77 states have internal predecessors, (85), 53 states have call successors, (53), 16 states have call predecessors, (53), 16 states have return successors, (52), 51 states have call predecessors, (52), 51 states have call successors, (52) [2022-11-25 22:32:01,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 190 transitions. [2022-11-25 22:32:01,573 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 190 transitions. Word has length 122 [2022-11-25 22:32:01,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:32:01,573 INFO L495 AbstractCegarLoop]: Abstraction has 145 states and 190 transitions. [2022-11-25 22:32:01,574 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 3 states have (on average 14.333333333333334) internal successors, (43), 4 states have internal predecessors, (43), 3 states have call successors, (24), 2 states have call predecessors, (24), 4 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2022-11-25 22:32:01,574 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 190 transitions. [2022-11-25 22:32:01,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2022-11-25 22:32:01,576 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:32:01,576 INFO L195 NwaCegarLoop]: trace histogram [10, 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] [2022-11-25 22:32:01,592 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03ffc2ac-f02f-4375-a5b5-66349876099f/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-25 22:32:01,786 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03ffc2ac-f02f-4375-a5b5-66349876099f/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 22:32:01,786 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 22:32:01,787 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:32:01,787 INFO L85 PathProgramCache]: Analyzing trace with hash -1803789845, now seen corresponding path program 3 times [2022-11-25 22:32:01,787 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:32:01,787 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1114699244] [2022-11-25 22:32:01,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:32:01,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:32:01,882 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-25 22:32:01,883 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1786017352] [2022-11-25 22:32:01,883 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-11-25 22:32:01,883 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 22:32:01,883 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03ffc2ac-f02f-4375-a5b5-66349876099f/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 22:32:01,884 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03ffc2ac-f02f-4375-a5b5-66349876099f/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 22:32:01,907 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03ffc2ac-f02f-4375-a5b5-66349876099f/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-25 22:32:02,589 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-11-25 22:32:02,589 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-25 22:32:02,602 INFO L263 TraceCheckSpWp]: Trace formula consists of 2740 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-25 22:32:02,608 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 22:32:02,750 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked. [2022-11-25 22:32:02,750 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 22:32:02,750 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:32:02,750 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1114699244] [2022-11-25 22:32:02,750 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-25 22:32:02,751 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1786017352] [2022-11-25 22:32:02,751 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1786017352] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:32:02,751 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:32:02,751 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-25 22:32:02,751 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [981981646] [2022-11-25 22:32:02,752 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:32:02,752 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-25 22:32:02,753 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:32:02,753 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-25 22:32:02,753 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-11-25 22:32:02,754 INFO L87 Difference]: Start difference. First operand 145 states and 190 transitions. Second operand has 8 states, 8 states have (on average 5.0) internal successors, (40), 7 states have internal predecessors, (40), 5 states have call successors, (24), 3 states have call predecessors, (24), 2 states have return successors, (22), 5 states have call predecessors, (22), 4 states have call successors, (22) [2022-11-25 22:32:03,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:32:03,598 INFO L93 Difference]: Finished difference Result 231 states and 302 transitions. [2022-11-25 22:32:03,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-25 22:32:03,599 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.0) internal successors, (40), 7 states have internal predecessors, (40), 5 states have call successors, (24), 3 states have call predecessors, (24), 2 states have return successors, (22), 5 states have call predecessors, (22), 4 states have call successors, (22) Word has length 131 [2022-11-25 22:32:03,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:32:03,601 INFO L225 Difference]: With dead ends: 231 [2022-11-25 22:32:03,601 INFO L226 Difference]: Without dead ends: 143 [2022-11-25 22:32:03,602 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2022-11-25 22:32:03,603 INFO L413 NwaCegarLoop]: 147 mSDtfsCounter, 55 mSDsluCounter, 723 mSDsCounter, 0 mSdLazyCounter, 312 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 870 SdHoareTripleChecker+Invalid, 357 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 312 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-11-25 22:32:03,603 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [57 Valid, 870 Invalid, 357 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 312 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-11-25 22:32:03,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2022-11-25 22:32:03,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 143. [2022-11-25 22:32:03,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 143 states, 74 states have (on average 1.1216216216216217) internal successors, (83), 75 states have internal predecessors, (83), 53 states have call successors, (53), 16 states have call predecessors, (53), 15 states have return successors, (51), 51 states have call predecessors, (51), 51 states have call successors, (51) [2022-11-25 22:32:03,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 187 transitions. [2022-11-25 22:32:03,619 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 187 transitions. Word has length 131 [2022-11-25 22:32:03,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:32:03,619 INFO L495 AbstractCegarLoop]: Abstraction has 143 states and 187 transitions. [2022-11-25 22:32:03,620 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.0) internal successors, (40), 7 states have internal predecessors, (40), 5 states have call successors, (24), 3 states have call predecessors, (24), 2 states have return successors, (22), 5 states have call predecessors, (22), 4 states have call successors, (22) [2022-11-25 22:32:03,620 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 187 transitions. [2022-11-25 22:32:03,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2022-11-25 22:32:03,622 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:32:03,622 INFO L195 NwaCegarLoop]: trace histogram [10, 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] [2022-11-25 22:32:03,639 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03ffc2ac-f02f-4375-a5b5-66349876099f/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-25 22:32:03,834 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03ffc2ac-f02f-4375-a5b5-66349876099f/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 22:32:03,834 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 22:32:03,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:32:03,835 INFO L85 PathProgramCache]: Analyzing trace with hash -80931936, now seen corresponding path program 1 times [2022-11-25 22:32:03,835 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:32:03,835 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [857311268] [2022-11-25 22:32:03,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:32:03,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:32:03,969 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-25 22:32:03,969 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [755311321] [2022-11-25 22:32:03,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:32:03,970 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 22:32:03,970 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03ffc2ac-f02f-4375-a5b5-66349876099f/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 22:32:03,971 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03ffc2ac-f02f-4375-a5b5-66349876099f/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 22:32:04,003 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03ffc2ac-f02f-4375-a5b5-66349876099f/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-25 22:32:04,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:32:04,801 INFO L263 TraceCheckSpWp]: Trace formula consists of 2872 conjuncts, 56 conjunts are in the unsatisfiable core [2022-11-25 22:32:04,818 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 22:32:05,098 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 117 proven. 6 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2022-11-25 22:32:05,099 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 22:32:05,699 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 7 proven. 2 refuted. 0 times theorem prover too weak. 211 trivial. 0 not checked. [2022-11-25 22:32:05,699 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:32:05,700 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [857311268] [2022-11-25 22:32:05,700 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-25 22:32:05,700 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [755311321] [2022-11-25 22:32:05,700 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [755311321] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 22:32:05,700 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1095209361] [2022-11-25 22:32:05,723 INFO L159 IcfgInterpreter]: Started Sifa with 71 locations of interest [2022-11-25 22:32:05,724 INFO L166 IcfgInterpreter]: Building call graph [2022-11-25 22:32:05,728 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-25 22:32:05,734 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-25 22:32:05,734 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-25 22:32:09,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:32:09,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:32:09,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:32:09,846 INFO L217 Elim1Store]: Index analysis took 492 ms [2022-11-25 22:32:27,923 WARN L233 SmtUtils]: Spent 17.93s on a formula simplification. DAG size of input: 1740 DAG size of output: 1157 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-25 22:32:27,932 INFO L321 Elim1Store]: treesize reduction 1938, result has 47.2 percent of original size [2022-11-25 22:32:27,936 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 196 select indices, 196 select index equivalence classes, 19114 disjoint index pairs (out of 19110 index pairs), introduced 196 new quantified variables, introduced 193 case distinctions, treesize of input 987 treesize of output 2338 [2022-11-25 22:32:31,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:32:31,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:32:32,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:32:32,225 INFO L217 Elim1Store]: Index analysis took 743 ms [2022-11-25 22:33:03,099 WARN L233 SmtUtils]: Spent 30.81s 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) [2022-11-25 22:33:03,108 INFO L321 Elim1Store]: treesize reduction 3474, result has 33.3 percent of original size [2022-11-25 22:33:03,112 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 [2022-11-25 22:34:18,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:34:18,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:34:18,973 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 [2022-11-25 22:34:18,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:34:18,985 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 [2022-11-25 22:34:18,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:34:18,995 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 [2022-11-25 22:34:19,007 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 [2022-11-25 22:34:23,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:34:23,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:34:23,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:34:23,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:34:23,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:34:23,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:34:23,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:34:23,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:34:23,274 INFO L217 Elim1Store]: Index analysis took 193 ms [2022-11-25 22:34:23,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:34:23,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:34:23,302 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:34:23,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:34:23,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:34:23,327 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:34:23,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:34:23,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:34:23,442 INFO L321 Elim1Store]: treesize reduction 16, result has 36.0 percent of original size [2022-11-25 22:34:23,448 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 195 select indices, 195 select index equivalence classes, 17054 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 [2022-11-25 22:34:24,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:34:24,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:34:24,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:34:24,266 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 [2022-11-25 22:34:24,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:34:24,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:34:24,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:34:24,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:34:24,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:34:24,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:34:24,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:34:24,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:34:24,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:34:24,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:34:24,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:34:24,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:34:24,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:34:24,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:34:24,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:34:24,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:34:24,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:34:24,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:34:24,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:34:24,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:34:24,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:34:24,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:34:24,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:34:24,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:34:24,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:34:24,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:34:24,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:34:24,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:34:24,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:34:24,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:34:24,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:34:24,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:34:24,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:34:24,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:34:24,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:34:24,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:34:24,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:34:24,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:34:24,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:34:24,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:34:24,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:34:24,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:34:24,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:34:24,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:34:24,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:34:24,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:34:24,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:34:24,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:34:24,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:34:24,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:34:24,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:34:24,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:34:24,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:34:24,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:34:24,745 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 55 select indices, 55 select index equivalence classes, 1243 disjoint index pairs (out of 1485 index pairs), introduced 55 new quantified variables, introduced 0 case distinctions, treesize of input 644 treesize of output 304 [2022-11-25 22:34:25,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:34:25,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:34:25,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:34:25,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:34:25,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:34:25,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:34:25,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:34:25,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:34:25,433 INFO L217 Elim1Store]: Index analysis took 154 ms [2022-11-25 22:34:25,477 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 [2022-11-25 22:34:26,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:34:26,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:34:26,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:34:26,122 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 198 select indices, 198 select index equivalence classes, 19505 disjoint index pairs (out of 19503 index pairs), introduced 198 new quantified variables, introduced 0 case distinctions, treesize of input 991 treesize of output 595 [2022-11-25 22:34:36,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:34:37,105 INFO L321 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-11-25 22:34:37,110 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 [2022-11-25 22:34:37,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:34:37,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:34:37,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:34:37,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:34:37,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:34:37,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:34:37,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:34:37,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:34:37,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:34:37,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:34:37,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:34:37,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:34:37,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:34:37,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:34:37,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:34:37,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:34:37,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:34:37,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:34:37,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:34:37,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:34:37,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:34:37,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:34:37,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:34:37,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:34:37,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:34:37,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:34:37,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:34:37,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:34:37,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:34:37,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:34:37,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:34:37,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:34:37,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:34:37,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:34:37,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:34:37,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:34:37,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:34:37,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:34:37,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:34:37,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:34:37,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:34:37,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:34:37,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:34:37,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:34:37,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:34:37,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:34:37,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:34:37,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:34:37,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:34:37,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:34:37,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:34:37,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:34:37,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:34:37,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:34:37,667 INFO L217 Elim1Store]: Index analysis took 122 ms [2022-11-25 22:34:37,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:34:37,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:34:37,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:34:37,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:34:37,700 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 22:34:37,701 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 [2022-11-25 22:34:38,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:34:38,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:34:38,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:34:38,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:34:38,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:34:38,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:34:38,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:34:38,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:34:38,246 INFO L217 Elim1Store]: Index analysis took 134 ms [2022-11-25 22:34:38,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:34:38,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:34:38,262 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:34:38,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:34:38,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:34:38,275 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:34:38,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:34:38,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:34:38,347 INFO L321 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2022-11-25 22:34:38,352 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 195 select indices, 195 select index equivalence classes, 17054 disjoint index pairs (out of 18915 index pairs), introduced 195 new quantified variables, introduced 18 case distinctions, treesize of input 1752 treesize of output 586 [2022-11-25 22:34:38,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:34:38,957 INFO L321 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-11-25 22:34:38,962 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 [2022-11-25 22:34:39,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:34:39,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:34:39,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:34:39,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:34:39,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:34:39,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:34:39,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:34:39,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:34:39,604 INFO L217 Elim1Store]: Index analysis took 106 ms [2022-11-25 22:34:39,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:34:39,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:34:39,616 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:34:39,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:34:39,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:34:39,635 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:34:39,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:34:39,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:34:39,723 INFO L321 Elim1Store]: treesize reduction 16, result has 36.0 percent of original size [2022-11-25 22:34:39,728 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 195 select indices, 195 select index equivalence classes, 17054 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 [2022-11-25 22:34:40,976 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 [2022-11-25 22:34:40,982 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 [2022-11-25 22:34:41,010 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 [2022-11-25 22:34:41,015 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 [2022-11-25 22:34:41,049 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 [2022-11-25 22:34:41,061 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 [2022-11-25 22:34:41,068 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 [2022-11-25 22:34:41,077 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 [2022-11-25 22:34:41,155 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 22:34:41,156 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 [2022-11-25 22:34:41,179 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 [2022-11-25 22:34:41,190 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 [2022-11-25 22:34:41,269 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 22:34:41,270 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 [2022-11-25 22:34:41,282 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 [2022-11-25 22:34:41,292 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 [2022-11-25 22:34:41,484 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 [2022-11-25 22:34:41,925 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 [2022-11-25 22:34:42,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:34:42,483 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 [2022-11-25 22:34:42,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:34:42,524 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 [2022-11-25 22:34:43,618 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 [2022-11-25 22:34:43,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:34:43,690 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 [2022-11-25 22:34:43,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:34:43,742 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 [2022-11-25 22:34:45,153 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-11-25 22:34:45,154 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 [2022-11-25 22:34:45,209 INFO L321 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-11-25 22:34:45,209 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 [2022-11-25 22:34:45,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:34:45,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:34:45,503 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:34:45,504 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:34:45,505 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:34:45,514 INFO L321 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2022-11-25 22:34:45,514 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 7 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 [2022-11-25 22:34:45,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:34:45,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:34:45,538 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:34:45,550 INFO L321 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-11-25 22:34:45,550 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 36 treesize of output 10 [2022-11-25 22:34:45,569 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 [2022-11-25 22:34:45,584 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 [2022-11-25 22:34:45,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:34:45,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:34:45,604 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:34:45,612 INFO L321 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-11-25 22:34:45,612 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 36 treesize of output 10 [2022-11-25 22:34:45,730 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 [2022-11-25 22:34:45,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:34:45,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:34:45,861 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:34:45,862 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:34:45,863 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:34:45,873 INFO L321 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2022-11-25 22:34:45,874 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 7 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 [2022-11-25 22:34:45,891 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 [2022-11-25 22:34:45,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:34:45,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:34:45,909 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:34:45,917 INFO L321 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-11-25 22:34:45,917 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 36 treesize of output 10 [2022-11-25 22:34:45,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:34:45,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:34:45,934 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:34:45,941 INFO L321 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-11-25 22:34:45,942 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 36 treesize of output 10 [2022-11-25 22:35:05,387 INFO L197 IcfgInterpreter]: Interpreting procedure aws_array_list_is_valid with input of size 47 for LOIs [2022-11-25 22:35:05,412 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 [2022-11-25 22:35:05,425 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 [2022-11-25 22:35:05,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:35:05,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:35:05,496 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 22:35:05,496 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 [2022-11-25 22:35:05,509 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 [2022-11-25 22:35:05,520 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 [2022-11-25 22:35:05,589 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 [2022-11-25 22:35:05,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:35:05,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:35:05,608 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 22:35:05,608 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 [2022-11-25 22:35:05,627 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 [2022-11-25 22:35:05,974 INFO L321 Elim1Store]: treesize reduction 24, result has 48.9 percent of original size [2022-11-25 22:35:05,975 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 180 treesize of output 197 [2022-11-25 22:35:06,620 INFO L197 IcfgInterpreter]: Interpreting procedure aws_array_list_is_bounded with input of size 2820 for LOIs [2022-11-25 22:35:10,150 INFO L197 IcfgInterpreter]: Interpreting procedure aws_mul_size_checked with input of size 94 for LOIs [2022-11-25 22:35:10,468 INFO L197 IcfgInterpreter]: Interpreting procedure __CPROVER_overflow_mult with input of size 80 for LOIs [2022-11-25 22:35:10,496 INFO L197 IcfgInterpreter]: Interpreting procedure ensure_array_list_has_allocated_data_member with input of size 2869 for LOIs [2022-11-25 22:36:53,840 INFO L197 IcfgInterpreter]: Interpreting procedure can_fail_allocator with input of size 2864 for LOIs [2022-11-25 22:37:00,476 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 43 for LOIs [2022-11-25 22:37:00,479 INFO L197 IcfgInterpreter]: Interpreting procedure can_fail_malloc with input of size 70 for LOIs [2022-11-25 22:37:00,606 INFO L197 IcfgInterpreter]: Interpreting procedure nondet_bool with input of size 64 for LOIs [2022-11-25 22:37:00,619 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-25 22:39:52,088 WARN L233 SmtUtils]: Spent 2.84m 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) [2022-11-25 22:42:44,382 WARN L233 SmtUtils]: Spent 2.85m 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)