./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_array_list_set_at_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_b0b4771a-1115-4202-b8ba-8cdfac4a7539/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0b4771a-1115-4202-b8ba-8cdfac4a7539/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_b0b4771a-1115-4202-b8ba-8cdfac4a7539/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0b4771a-1115-4202-b8ba-8cdfac4a7539/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_array_list_set_at_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0b4771a-1115-4202-b8ba-8cdfac4a7539/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_b0b4771a-1115-4202-b8ba-8cdfac4a7539/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 156ab79a85c4b985ced0d661dede185c573e9f8e4fcba49b00d62d883c71bbed --- 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 23:53:50,504 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 23:53:50,507 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 23:53:50,554 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 23:53:50,554 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 23:53:50,559 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 23:53:50,562 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 23:53:50,566 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 23:53:50,568 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 23:53:50,573 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 23:53:50,574 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 23:53:50,575 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 23:53:50,576 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 23:53:50,577 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 23:53:50,578 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 23:53:50,579 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 23:53:50,580 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 23:53:50,581 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 23:53:50,583 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 23:53:50,585 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 23:53:50,586 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 23:53:50,588 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 23:53:50,589 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 23:53:50,591 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 23:53:50,595 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 23:53:50,601 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 23:53:50,602 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 23:53:50,603 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 23:53:50,604 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 23:53:50,606 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 23:53:50,607 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 23:53:50,608 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 23:53:50,610 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 23:53:50,611 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 23:53:50,612 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 23:53:50,614 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 23:53:50,615 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 23:53:50,615 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 23:53:50,616 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 23:53:50,618 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 23:53:50,619 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 23:53:50,620 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0b4771a-1115-4202-b8ba-8cdfac4a7539/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-25 23:53:50,660 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 23:53:50,660 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 23:53:50,661 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 23:53:50,661 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 23:53:50,662 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 23:53:50,663 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 23:53:50,663 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-25 23:53:50,663 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-25 23:53:50,664 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-25 23:53:50,664 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-25 23:53:50,665 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-25 23:53:50,665 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-25 23:53:50,666 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-25 23:53:50,666 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-25 23:53:50,666 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-25 23:53:50,666 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-25 23:53:50,667 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-25 23:53:50,667 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-25 23:53:50,668 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 23:53:50,668 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 23:53:50,669 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 23:53:50,669 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 23:53:50,669 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 23:53:50,669 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 23:53:50,670 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 23:53:50,670 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 23:53:50,681 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 23:53:50,682 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 23:53:50,682 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 23:53:50,682 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 23:53:50,683 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 23:53:50,683 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-25 23:53:50,683 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 23:53:50,684 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 23:53:50,684 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-25 23:53:50,684 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 23:53:50,684 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 23:53:50,685 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-25 23:53:50,685 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_b0b4771a-1115-4202-b8ba-8cdfac4a7539/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0b4771a-1115-4202-b8ba-8cdfac4a7539/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 156ab79a85c4b985ced0d661dede185c573e9f8e4fcba49b00d62d883c71bbed [2022-11-25 23:53:50,962 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 23:53:50,994 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 23:53:50,996 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 23:53:50,998 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 23:53:50,998 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 23:53:50,999 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0b4771a-1115-4202-b8ba-8cdfac4a7539/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/aws-c-common/aws_array_list_set_at_harness.i [2022-11-25 23:53:53,964 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 23:53:54,599 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 23:53:54,601 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0b4771a-1115-4202-b8ba-8cdfac4a7539/sv-benchmarks/c/aws-c-common/aws_array_list_set_at_harness.i [2022-11-25 23:53:54,651 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0b4771a-1115-4202-b8ba-8cdfac4a7539/bin/utaipan-ByfvJB40ur/data/235e79ff4/2a1d34089ca740eb88a475509306ce91/FLAG9f0e75e9c [2022-11-25 23:53:54,671 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0b4771a-1115-4202-b8ba-8cdfac4a7539/bin/utaipan-ByfvJB40ur/data/235e79ff4/2a1d34089ca740eb88a475509306ce91 [2022-11-25 23:53:54,677 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 23:53:54,679 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 23:53:54,684 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 23:53:54,684 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 23:53:54,689 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 23:53:54,691 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:53:54" (1/1) ... [2022-11-25 23:53:54,692 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56b10825 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:53:54, skipping insertion in model container [2022-11-25 23:53:54,692 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:53:54" (1/1) ... [2022-11-25 23:53:54,700 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 23:53:54,825 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 23:53:55,086 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_b0b4771a-1115-4202-b8ba-8cdfac4a7539/sv-benchmarks/c/aws-c-common/aws_array_list_set_at_harness.i[4495,4508] [2022-11-25 23:53:55,096 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_b0b4771a-1115-4202-b8ba-8cdfac4a7539/sv-benchmarks/c/aws-c-common/aws_array_list_set_at_harness.i[4555,4568] [2022-11-25 23:53:56,046 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-25 23:53:56,126 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-25 23:53:56,132 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 23:53:56,132 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 23:53:56,133 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 23:53:56,134 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 23:53:56,136 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 23:53:56,139 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-25 23:53:56,152 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 23:53:56,152 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-25 23:53:56,153 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 23:53:56,155 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 23:53:56,156 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 23:53:56,159 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 23:53:56,160 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-25 23:53:56,160 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 23:53:56,161 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 23:53:56,161 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 23:53:56,288 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-11-25 23:53:56,289 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-11-25 23:53:56,290 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-11-25 23:53:56,306 WARN L623 FunctionHandler]: Unknown extern function ntohl [2022-11-25 23:53:56,309 WARN L623 FunctionHandler]: Unknown extern function htons [2022-11-25 23:53:56,310 WARN L623 FunctionHandler]: Unknown extern function ntohs [2022-11-25 23:53:56,695 WARN L623 FunctionHandler]: Unknown extern function my_abort [2022-11-25 23:53:56,697 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-25 23:53:56,698 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-25 23:53:56,700 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-25 23:53:56,701 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-25 23:53:56,703 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-25 23:53:56,704 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-25 23:53:56,705 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-25 23:53:56,706 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-25 23:53:56,707 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-25 23:53:56,708 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-25 23:53:56,967 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 23:53:57,000 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-25 23:53:57,007 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-25 23:53:57,016 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-25 23:53:57,018 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 23:53:57,020 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-25 23:53:57,034 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-25 23:53:57,035 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-25 23:53:57,035 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-25 23:53:57,036 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-25 23:53:57,036 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-25 23:53:57,036 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-25 23:53:57,102 WARN L623 FunctionHandler]: Unknown extern function fprintf [2022-11-25 23:53:57,107 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 23:53:57,111 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 23:53:57,112 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 23:53:57,117 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 23:53:57,176 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 23:53:57,190 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_b0b4771a-1115-4202-b8ba-8cdfac4a7539/sv-benchmarks/c/aws-c-common/aws_array_list_set_at_harness.i[4495,4508] [2022-11-25 23:53:57,191 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_b0b4771a-1115-4202-b8ba-8cdfac4a7539/sv-benchmarks/c/aws-c-common/aws_array_list_set_at_harness.i[4555,4568] [2022-11-25 23:53:57,223 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-25 23:53:57,236 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-25 23:53:57,239 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 23:53:57,239 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 23:53:57,240 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 23:53:57,240 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 23:53:57,241 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 23:53:57,242 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-25 23:53:57,248 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 23:53:57,248 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-25 23:53:57,249 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 23:53:57,250 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 23:53:57,251 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 23:53:57,252 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 23:53:57,253 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-25 23:53:57,253 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 23:53:57,253 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 23:53:57,254 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 23:53:57,262 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-11-25 23:53:57,262 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-11-25 23:53:57,263 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-11-25 23:53:57,266 WARN L623 FunctionHandler]: Unknown extern function ntohl [2022-11-25 23:53:57,268 WARN L623 FunctionHandler]: Unknown extern function htons [2022-11-25 23:53:57,269 WARN L623 FunctionHandler]: Unknown extern function ntohs [2022-11-25 23:53:57,293 WARN L623 FunctionHandler]: Unknown extern function my_abort [2022-11-25 23:53:57,294 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-25 23:53:57,294 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-25 23:53:57,295 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-25 23:53:57,296 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-25 23:53:57,297 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-25 23:53:57,298 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-25 23:53:57,299 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-25 23:53:57,299 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-25 23:53:57,300 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-25 23:53:57,301 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-25 23:53:57,332 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 23:53:57,334 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-25 23:53:57,336 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-25 23:53:57,337 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-25 23:53:57,339 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 23:53:57,341 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-25 23:53:57,342 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-25 23:53:57,343 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-25 23:53:57,343 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-25 23:53:57,344 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-25 23:53:57,344 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-25 23:53:57,344 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-25 23:53:57,361 WARN L623 FunctionHandler]: Unknown extern function fprintf [2022-11-25 23:53:57,364 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 23:53:57,364 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 23:53:57,364 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 23:53:57,365 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 23:53:57,609 INFO L208 MainTranslator]: Completed translation [2022-11-25 23:53:57,610 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:53:57 WrapperNode [2022-11-25 23:53:57,610 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 23:53:57,612 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 23:53:57,613 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 23:53:57,613 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 23:53:57,620 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:53:57" (1/1) ... [2022-11-25 23:53:57,732 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:53:57" (1/1) ... [2022-11-25 23:53:57,810 INFO L138 Inliner]: procedures = 691, calls = 1680, calls flagged for inlining = 51, calls inlined = 11, statements flattened = 846 [2022-11-25 23:53:57,811 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 23:53:57,811 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 23:53:57,812 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 23:53:57,812 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 23:53:57,823 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:53:57" (1/1) ... [2022-11-25 23:53:57,830 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:53:57" (1/1) ... [2022-11-25 23:53:57,841 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:53:57" (1/1) ... [2022-11-25 23:53:57,842 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:53:57" (1/1) ... [2022-11-25 23:53:57,878 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:53:57" (1/1) ... [2022-11-25 23:53:57,882 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:53:57" (1/1) ... [2022-11-25 23:53:57,889 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:53:57" (1/1) ... [2022-11-25 23:53:57,894 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:53:57" (1/1) ... [2022-11-25 23:53:57,904 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 23:53:57,905 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 23:53:57,905 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 23:53:57,905 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 23:53:57,906 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:53:57" (1/1) ... [2022-11-25 23:53:57,913 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 23:53:57,925 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0b4771a-1115-4202-b8ba-8cdfac4a7539/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:53:57,941 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0b4771a-1115-4202-b8ba-8cdfac4a7539/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 23:53:57,999 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0b4771a-1115-4202-b8ba-8cdfac4a7539/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 23:53:58,035 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-25 23:53:58,035 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2022-11-25 23:53:58,035 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2022-11-25 23:53:58,035 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2022-11-25 23:53:58,036 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2022-11-25 23:53:58,036 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2022-11-25 23:53:58,037 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2022-11-25 23:53:58,040 INFO L130 BoogieDeclarations]: Found specification of procedure aws_allocator_is_valid [2022-11-25 23:53:58,041 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_allocator_is_valid [2022-11-25 23:53:58,041 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-25 23:53:58,041 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2022-11-25 23:53:58,041 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2022-11-25 23:53:58,041 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-11-25 23:53:58,042 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-11-25 23:53:58,043 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-25 23:53:58,043 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 23:53:58,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-25 23:53:58,048 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2022-11-25 23:53:58,049 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2022-11-25 23:53:58,049 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 23:53:58,049 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 23:53:58,049 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2022-11-25 23:53:58,049 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2022-11-25 23:53:58,050 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2022-11-25 23:53:58,050 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2022-11-25 23:53:58,050 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2022-11-25 23:53:58,050 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2022-11-25 23:53:58,050 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2022-11-25 23:53:58,050 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2022-11-25 23:53:58,051 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_release [2022-11-25 23:53:58,051 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_release [2022-11-25 23:53:58,051 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_length [2022-11-25 23:53:58,051 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_length [2022-11-25 23:53:58,051 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-25 23:53:58,051 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-25 23:53:58,052 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2022-11-25 23:53:58,052 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2022-11-25 23:53:58,052 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_acquire [2022-11-25 23:53:58,052 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_acquire [2022-11-25 23:53:58,052 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-25 23:53:58,052 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2022-11-25 23:53:58,053 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2022-11-25 23:53:58,053 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-25 23:53:58,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-25 23:53:58,053 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2022-11-25 23:53:58,053 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2022-11-25 23:53:58,054 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2022-11-25 23:53:58,054 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2022-11-25 23:53:58,054 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2022-11-25 23:53:58,055 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2022-11-25 23:53:58,055 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-25 23:53:58,055 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2022-11-25 23:53:58,056 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2022-11-25 23:53:58,056 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_set_at [2022-11-25 23:53:58,057 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_set_at [2022-11-25 23:53:58,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 23:53:58,578 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 23:53:58,580 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 23:53:59,907 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 23:54:00,143 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 23:54:00,144 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-25 23:54:00,148 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 11:54:00 BoogieIcfgContainer [2022-11-25 23:54:00,149 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 23:54:00,152 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 23:54:00,153 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 23:54:00,156 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 23:54:00,156 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 11:53:54" (1/3) ... [2022-11-25 23:54:00,159 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b46761c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 11:54:00, skipping insertion in model container [2022-11-25 23:54:00,159 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:53:57" (2/3) ... [2022-11-25 23:54:00,160 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b46761c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 11:54:00, skipping insertion in model container [2022-11-25 23:54:00,160 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 11:54:00" (3/3) ... [2022-11-25 23:54:00,162 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_array_list_set_at_harness.i [2022-11-25 23:54:00,183 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 23:54:00,183 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-25 23:54:00,266 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 23:54:00,273 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;@78d68b76, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 23:54:00,273 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-25 23:54:00,278 INFO L276 IsEmpty]: Start isEmpty. Operand has 244 states, 127 states have (on average 1.204724409448819) internal successors, (153), 128 states have internal predecessors, (153), 93 states have call successors, (93), 22 states have call predecessors, (93), 22 states have return successors, (93), 93 states have call predecessors, (93), 93 states have call successors, (93) [2022-11-25 23:54:00,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-11-25 23:54:00,291 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:54:00,292 INFO L195 NwaCegarLoop]: trace histogram [11, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:54:00,293 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 23:54:00,298 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:54:00,299 INFO L85 PathProgramCache]: Analyzing trace with hash -821114386, now seen corresponding path program 1 times [2022-11-25 23:54:00,307 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:54:00,308 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1691731598] [2022-11-25 23:54:00,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:54:00,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:54:00,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:54:01,457 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2022-11-25 23:54:01,457 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:54:01,458 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1691731598] [2022-11-25 23:54:01,459 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1691731598] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 23:54:01,459 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1992964724] [2022-11-25 23:54:01,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:54:01,460 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:54:01,460 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0b4771a-1115-4202-b8ba-8cdfac4a7539/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:54:01,464 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0b4771a-1115-4202-b8ba-8cdfac4a7539/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 23:54:01,495 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0b4771a-1115-4202-b8ba-8cdfac4a7539/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-25 23:54:02,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:54:02,191 INFO L263 TraceCheckSpWp]: Trace formula consists of 2405 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-25 23:54:02,210 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:54:02,391 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2022-11-25 23:54:02,391 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 23:54:02,392 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1992964724] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:54:02,392 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-25 23:54:02,392 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 8 [2022-11-25 23:54:02,395 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [647671804] [2022-11-25 23:54:02,396 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:54:02,401 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 23:54:02,401 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:54:02,460 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 23:54:02,461 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-11-25 23:54:02,476 INFO L87 Difference]: Start difference. First operand has 244 states, 127 states have (on average 1.204724409448819) internal successors, (153), 128 states have internal predecessors, (153), 93 states have call successors, (93), 22 states have call predecessors, (93), 22 states have return successors, (93), 93 states have call predecessors, (93), 93 states have call successors, (93) Second operand has 5 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 3 states have call successors, (26), 2 states have call predecessors, (26), 3 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2022-11-25 23:54:03,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:54:03,221 INFO L93 Difference]: Finished difference Result 467 states and 689 transitions. [2022-11-25 23:54:03,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 23:54:03,224 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 3 states have call successors, (26), 2 states have call predecessors, (26), 3 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) Word has length 114 [2022-11-25 23:54:03,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:54:03,238 INFO L225 Difference]: With dead ends: 467 [2022-11-25 23:54:03,239 INFO L226 Difference]: Without dead ends: 244 [2022-11-25 23:54:03,245 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 112 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 23:54:03,249 INFO L413 NwaCegarLoop]: 286 mSDtfsCounter, 32 mSDsluCounter, 763 mSDsCounter, 0 mSdLazyCounter, 245 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 1049 SdHoareTripleChecker+Invalid, 247 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 245 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-25 23:54:03,250 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 1049 Invalid, 247 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 245 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-25 23:54:03,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 244 states. [2022-11-25 23:54:03,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 244 to 244. [2022-11-25 23:54:03,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 244 states, 127 states have (on average 1.1968503937007875) internal successors, (152), 129 states have internal predecessors, (152), 93 states have call successors, (93), 22 states have call predecessors, (93), 23 states have return successors, (108), 92 states have call predecessors, (108), 92 states have call successors, (108) [2022-11-25 23:54:03,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 244 states and 353 transitions. [2022-11-25 23:54:03,330 INFO L78 Accepts]: Start accepts. Automaton has 244 states and 353 transitions. Word has length 114 [2022-11-25 23:54:03,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:54:03,331 INFO L495 AbstractCegarLoop]: Abstraction has 244 states and 353 transitions. [2022-11-25 23:54:03,331 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 3 states have call successors, (26), 2 states have call predecessors, (26), 3 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2022-11-25 23:54:03,332 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 353 transitions. [2022-11-25 23:54:03,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2022-11-25 23:54:03,335 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:54:03,336 INFO L195 NwaCegarLoop]: trace histogram [11, 6, 6, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:54:03,346 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0b4771a-1115-4202-b8ba-8cdfac4a7539/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-11-25 23:54:03,546 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0b4771a-1115-4202-b8ba-8cdfac4a7539/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2022-11-25 23:54:03,546 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 23:54:03,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:54:03,547 INFO L85 PathProgramCache]: Analyzing trace with hash -949916096, now seen corresponding path program 1 times [2022-11-25 23:54:03,548 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:54:03,548 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1606456245] [2022-11-25 23:54:03,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:54:03,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:54:03,670 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-25 23:54:03,671 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1045586228] [2022-11-25 23:54:03,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:54:03,671 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:54:03,672 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0b4771a-1115-4202-b8ba-8cdfac4a7539/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:54:03,673 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0b4771a-1115-4202-b8ba-8cdfac4a7539/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 23:54:03,701 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0b4771a-1115-4202-b8ba-8cdfac4a7539/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-25 23:54:04,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:54:04,415 INFO L263 TraceCheckSpWp]: Trace formula consists of 2669 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-25 23:54:04,423 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:54:04,558 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 98 proven. 0 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2022-11-25 23:54:04,558 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 23:54:04,558 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:54:04,559 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1606456245] [2022-11-25 23:54:04,559 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-25 23:54:04,559 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1045586228] [2022-11-25 23:54:04,559 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1045586228] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:54:04,560 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:54:04,560 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-25 23:54:04,560 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [854722814] [2022-11-25 23:54:04,560 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:54:04,561 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-25 23:54:04,561 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:54:04,562 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-25 23:54:04,562 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-25 23:54:04,563 INFO L87 Difference]: Start difference. First operand 244 states and 353 transitions. Second operand has 7 states, 6 states have (on average 8.5) internal successors, (51), 6 states have internal predecessors, (51), 4 states have call successors, (28), 3 states have call predecessors, (28), 3 states have return successors, (26), 3 states have call predecessors, (26), 4 states have call successors, (26) [2022-11-25 23:54:05,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:54:05,504 INFO L93 Difference]: Finished difference Result 445 states and 643 transitions. [2022-11-25 23:54:05,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-25 23:54:05,505 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 8.5) internal successors, (51), 6 states have internal predecessors, (51), 4 states have call successors, (28), 3 states have call predecessors, (28), 3 states have return successors, (26), 3 states have call predecessors, (26), 4 states have call successors, (26) Word has length 132 [2022-11-25 23:54:05,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:54:05,509 INFO L225 Difference]: With dead ends: 445 [2022-11-25 23:54:05,510 INFO L226 Difference]: Without dead ends: 244 [2022-11-25 23:54:05,511 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-11-25 23:54:05,512 INFO L413 NwaCegarLoop]: 280 mSDtfsCounter, 127 mSDsluCounter, 1129 mSDsCounter, 0 mSdLazyCounter, 365 mSolverCounterSat, 103 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 138 SdHoareTripleChecker+Valid, 1409 SdHoareTripleChecker+Invalid, 468 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 103 IncrementalHoareTripleChecker+Valid, 365 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-11-25 23:54:05,513 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [138 Valid, 1409 Invalid, 468 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [103 Valid, 365 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-11-25 23:54:05,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 244 states. [2022-11-25 23:54:05,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 244 to 244. [2022-11-25 23:54:05,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 244 states, 127 states have (on average 1.1968503937007875) internal successors, (152), 129 states have internal predecessors, (152), 93 states have call successors, (93), 22 states have call predecessors, (93), 23 states have return successors, (104), 92 states have call predecessors, (104), 92 states have call successors, (104) [2022-11-25 23:54:05,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 244 states and 349 transitions. [2022-11-25 23:54:05,542 INFO L78 Accepts]: Start accepts. Automaton has 244 states and 349 transitions. Word has length 132 [2022-11-25 23:54:05,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:54:05,543 INFO L495 AbstractCegarLoop]: Abstraction has 244 states and 349 transitions. [2022-11-25 23:54:05,543 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 8.5) internal successors, (51), 6 states have internal predecessors, (51), 4 states have call successors, (28), 3 states have call predecessors, (28), 3 states have return successors, (26), 3 states have call predecessors, (26), 4 states have call successors, (26) [2022-11-25 23:54:05,543 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 349 transitions. [2022-11-25 23:54:05,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2022-11-25 23:54:05,545 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:54:05,546 INFO L195 NwaCegarLoop]: trace histogram [11, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:54:05,562 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0b4771a-1115-4202-b8ba-8cdfac4a7539/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-25 23:54:05,757 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0b4771a-1115-4202-b8ba-8cdfac4a7539/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:54:05,758 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 23:54:05,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:54:05,758 INFO L85 PathProgramCache]: Analyzing trace with hash -1708083302, now seen corresponding path program 2 times [2022-11-25 23:54:05,758 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:54:05,759 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [970162229] [2022-11-25 23:54:05,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:54:05,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:54:05,884 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-25 23:54:05,890 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [959236682] [2022-11-25 23:54:05,891 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-25 23:54:05,891 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:54:05,891 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0b4771a-1115-4202-b8ba-8cdfac4a7539/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:54:05,892 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0b4771a-1115-4202-b8ba-8cdfac4a7539/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 23:54:05,914 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0b4771a-1115-4202-b8ba-8cdfac4a7539/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-25 23:54:06,493 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2022-11-25 23:54:06,494 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-25 23:54:06,502 INFO L263 TraceCheckSpWp]: Trace formula consists of 1910 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-25 23:54:06,508 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:54:06,540 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 177 trivial. 0 not checked. [2022-11-25 23:54:06,541 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 23:54:06,541 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:54:06,541 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [970162229] [2022-11-25 23:54:06,541 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-25 23:54:06,541 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [959236682] [2022-11-25 23:54:06,542 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [959236682] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:54:06,542 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:54:06,542 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 23:54:06,542 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1872171979] [2022-11-25 23:54:06,542 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:54:06,543 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 23:54:06,543 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:54:06,544 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 23:54:06,544 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 23:54:06,545 INFO L87 Difference]: Start difference. First operand 244 states and 349 transitions. Second operand has 5 states, 4 states have (on average 12.0) internal successors, (48), 5 states have internal predecessors, (48), 2 states have call successors, (28), 2 states have call predecessors, (28), 3 states have return successors, (26), 3 states have call predecessors, (26), 2 states have call successors, (26) [2022-11-25 23:54:06,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:54:06,918 INFO L93 Difference]: Finished difference Result 427 states and 602 transitions. [2022-11-25 23:54:06,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 23:54:06,919 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 12.0) internal successors, (48), 5 states have internal predecessors, (48), 2 states have call successors, (28), 2 states have call predecessors, (28), 3 states have return successors, (26), 3 states have call predecessors, (26), 2 states have call successors, (26) Word has length 141 [2022-11-25 23:54:06,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:54:06,922 INFO L225 Difference]: With dead ends: 427 [2022-11-25 23:54:06,923 INFO L226 Difference]: Without dead ends: 248 [2022-11-25 23:54:06,924 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-25 23:54:06,925 INFO L413 NwaCegarLoop]: 309 mSDtfsCounter, 1 mSDsluCounter, 920 mSDsCounter, 0 mSdLazyCounter, 114 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1229 SdHoareTripleChecker+Invalid, 114 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 114 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-25 23:54:06,925 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1229 Invalid, 114 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 114 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-25 23:54:06,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 248 states. [2022-11-25 23:54:06,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 248 to 248. [2022-11-25 23:54:06,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 248 states, 130 states have (on average 1.1923076923076923) internal successors, (155), 132 states have internal predecessors, (155), 93 states have call successors, (93), 22 states have call predecessors, (93), 24 states have return successors, (106), 93 states have call predecessors, (106), 92 states have call successors, (106) [2022-11-25 23:54:06,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 248 states and 354 transitions. [2022-11-25 23:54:06,951 INFO L78 Accepts]: Start accepts. Automaton has 248 states and 354 transitions. Word has length 141 [2022-11-25 23:54:06,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:54:06,952 INFO L495 AbstractCegarLoop]: Abstraction has 248 states and 354 transitions. [2022-11-25 23:54:06,952 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 12.0) internal successors, (48), 5 states have internal predecessors, (48), 2 states have call successors, (28), 2 states have call predecessors, (28), 3 states have return successors, (26), 3 states have call predecessors, (26), 2 states have call successors, (26) [2022-11-25 23:54:06,953 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 354 transitions. [2022-11-25 23:54:06,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2022-11-25 23:54:06,955 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:54:06,955 INFO L195 NwaCegarLoop]: trace histogram [11, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:54:06,964 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0b4771a-1115-4202-b8ba-8cdfac4a7539/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-25 23:54:07,164 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0b4771a-1115-4202-b8ba-8cdfac4a7539/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:54:07,164 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 23:54:07,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:54:07,165 INFO L85 PathProgramCache]: Analyzing trace with hash -188427751, now seen corresponding path program 1 times [2022-11-25 23:54:07,165 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:54:07,165 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [184087668] [2022-11-25 23:54:07,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:54:07,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:54:07,266 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-25 23:54:07,266 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1605865691] [2022-11-25 23:54:07,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:54:07,270 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:54:07,271 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0b4771a-1115-4202-b8ba-8cdfac4a7539/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:54:07,272 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0b4771a-1115-4202-b8ba-8cdfac4a7539/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 23:54:07,297 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0b4771a-1115-4202-b8ba-8cdfac4a7539/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-25 23:54:07,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:54:07,981 INFO L263 TraceCheckSpWp]: Trace formula consists of 2804 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-25 23:54:07,987 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:54:08,149 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2022-11-25 23:54:08,150 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 23:54:08,150 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:54:08,150 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [184087668] [2022-11-25 23:54:08,150 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-25 23:54:08,150 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1605865691] [2022-11-25 23:54:08,151 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1605865691] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:54:08,151 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:54:08,151 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-25 23:54:08,151 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1469058712] [2022-11-25 23:54:08,151 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:54:08,154 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-25 23:54:08,154 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:54:08,155 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-25 23:54:08,155 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-11-25 23:54:08,156 INFO L87 Difference]: Start difference. First operand 248 states and 354 transitions. Second operand has 8 states, 7 states have (on average 7.571428571428571) internal successors, (53), 7 states have internal predecessors, (53), 5 states have call successors, (29), 3 states have call predecessors, (29), 3 states have return successors, (27), 4 states have call predecessors, (27), 5 states have call successors, (27) [2022-11-25 23:54:08,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:54:08,968 INFO L93 Difference]: Finished difference Result 448 states and 637 transitions. [2022-11-25 23:54:08,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-25 23:54:08,968 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 7.571428571428571) internal successors, (53), 7 states have internal predecessors, (53), 5 states have call successors, (29), 3 states have call predecessors, (29), 3 states have return successors, (27), 4 states have call predecessors, (27), 5 states have call successors, (27) Word has length 145 [2022-11-25 23:54:08,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:54:08,981 INFO L225 Difference]: With dead ends: 448 [2022-11-25 23:54:08,981 INFO L226 Difference]: Without dead ends: 248 [2022-11-25 23:54:08,984 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 139 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2022-11-25 23:54:08,987 INFO L413 NwaCegarLoop]: 272 mSDtfsCounter, 175 mSDsluCounter, 1279 mSDsCounter, 0 mSdLazyCounter, 472 mSolverCounterSat, 131 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 186 SdHoareTripleChecker+Valid, 1551 SdHoareTripleChecker+Invalid, 603 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 131 IncrementalHoareTripleChecker+Valid, 472 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-11-25 23:54:08,988 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [186 Valid, 1551 Invalid, 603 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [131 Valid, 472 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-11-25 23:54:08,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 248 states. [2022-11-25 23:54:09,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 248 to 248. [2022-11-25 23:54:09,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 248 states, 130 states have (on average 1.1923076923076923) internal successors, (155), 132 states have internal predecessors, (155), 93 states have call successors, (93), 22 states have call predecessors, (93), 24 states have return successors, (100), 93 states have call predecessors, (100), 92 states have call successors, (100) [2022-11-25 23:54:09,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 248 states and 348 transitions. [2022-11-25 23:54:09,039 INFO L78 Accepts]: Start accepts. Automaton has 248 states and 348 transitions. Word has length 145 [2022-11-25 23:54:09,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:54:09,040 INFO L495 AbstractCegarLoop]: Abstraction has 248 states and 348 transitions. [2022-11-25 23:54:09,041 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 7.571428571428571) internal successors, (53), 7 states have internal predecessors, (53), 5 states have call successors, (29), 3 states have call predecessors, (29), 3 states have return successors, (27), 4 states have call predecessors, (27), 5 states have call successors, (27) [2022-11-25 23:54:09,041 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 348 transitions. [2022-11-25 23:54:09,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2022-11-25 23:54:09,045 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:54:09,046 INFO L195 NwaCegarLoop]: trace histogram [11, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:54:09,059 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0b4771a-1115-4202-b8ba-8cdfac4a7539/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-25 23:54:09,256 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0b4771a-1115-4202-b8ba-8cdfac4a7539/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:54:09,256 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 23:54:09,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:54:09,257 INFO L85 PathProgramCache]: Analyzing trace with hash 74652997, now seen corresponding path program 2 times [2022-11-25 23:54:09,257 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:54:09,257 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1950475719] [2022-11-25 23:54:09,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:54:09,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:54:09,363 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-25 23:54:09,363 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [828447597] [2022-11-25 23:54:09,363 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-25 23:54:09,363 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:54:09,364 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0b4771a-1115-4202-b8ba-8cdfac4a7539/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:54:09,365 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0b4771a-1115-4202-b8ba-8cdfac4a7539/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 23:54:09,402 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0b4771a-1115-4202-b8ba-8cdfac4a7539/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-25 23:54:10,118 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2022-11-25 23:54:10,118 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-25 23:54:10,125 INFO L263 TraceCheckSpWp]: Trace formula consists of 1986 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-25 23:54:10,133 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:54:10,165 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2022-11-25 23:54:10,166 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 23:54:10,166 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:54:10,166 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1950475719] [2022-11-25 23:54:10,166 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-25 23:54:10,166 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [828447597] [2022-11-25 23:54:10,166 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [828447597] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:54:10,167 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:54:10,167 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 23:54:10,167 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [153953278] [2022-11-25 23:54:10,167 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:54:10,168 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 23:54:10,168 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:54:10,169 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 23:54:10,169 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 23:54:10,169 INFO L87 Difference]: Start difference. First operand 248 states and 348 transitions. Second operand has 5 states, 3 states have (on average 17.333333333333332) internal successors, (52), 4 states have internal predecessors, (52), 3 states have call successors, (29), 2 states have call predecessors, (29), 4 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2022-11-25 23:54:10,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:54:10,659 INFO L93 Difference]: Finished difference Result 445 states and 620 transitions. [2022-11-25 23:54:10,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 23:54:10,660 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 3 states have (on average 17.333333333333332) internal successors, (52), 4 states have internal predecessors, (52), 3 states have call successors, (29), 2 states have call predecessors, (29), 4 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) Word has length 154 [2022-11-25 23:54:10,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:54:10,662 INFO L225 Difference]: With dead ends: 445 [2022-11-25 23:54:10,662 INFO L226 Difference]: Without dead ends: 248 [2022-11-25 23:54:10,663 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 150 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 23:54:10,664 INFO L413 NwaCegarLoop]: 288 mSDtfsCounter, 0 mSDsluCounter, 830 mSDsCounter, 0 mSdLazyCounter, 224 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1118 SdHoareTripleChecker+Invalid, 224 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 224 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-25 23:54:10,664 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1118 Invalid, 224 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 224 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-25 23:54:10,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 248 states. [2022-11-25 23:54:10,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 248 to 248. [2022-11-25 23:54:10,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 248 states, 130 states have (on average 1.1923076923076923) internal successors, (155), 132 states have internal predecessors, (155), 93 states have call successors, (93), 22 states have call predecessors, (93), 24 states have return successors, (99), 93 states have call predecessors, (99), 92 states have call successors, (99) [2022-11-25 23:54:10,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 248 states and 347 transitions. [2022-11-25 23:54:10,683 INFO L78 Accepts]: Start accepts. Automaton has 248 states and 347 transitions. Word has length 154 [2022-11-25 23:54:10,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:54:10,684 INFO L495 AbstractCegarLoop]: Abstraction has 248 states and 347 transitions. [2022-11-25 23:54:10,684 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 3 states have (on average 17.333333333333332) internal successors, (52), 4 states have internal predecessors, (52), 3 states have call successors, (29), 2 states have call predecessors, (29), 4 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2022-11-25 23:54:10,685 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 347 transitions. [2022-11-25 23:54:10,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-11-25 23:54:10,687 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:54:10,687 INFO L195 NwaCegarLoop]: trace histogram [11, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:54:10,702 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0b4771a-1115-4202-b8ba-8cdfac4a7539/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-11-25 23:54:10,897 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0b4771a-1115-4202-b8ba-8cdfac4a7539/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:54:10,897 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 23:54:10,897 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:54:10,898 INFO L85 PathProgramCache]: Analyzing trace with hash -1276385801, now seen corresponding path program 3 times [2022-11-25 23:54:10,898 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:54:10,898 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [341618364] [2022-11-25 23:54:10,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:54:10,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:54:11,013 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-25 23:54:11,014 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [649104716] [2022-11-25 23:54:11,014 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-11-25 23:54:11,014 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:54:11,014 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0b4771a-1115-4202-b8ba-8cdfac4a7539/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:54:11,015 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0b4771a-1115-4202-b8ba-8cdfac4a7539/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 23:54:11,019 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0b4771a-1115-4202-b8ba-8cdfac4a7539/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-25 23:54:11,816 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-11-25 23:54:11,816 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-25 23:54:11,828 INFO L263 TraceCheckSpWp]: Trace formula consists of 3068 conjuncts, 11 conjunts are in the unsatisfiable core [2022-11-25 23:54:11,833 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:54:11,999 INFO L134 CoverageAnalysis]: Checked inductivity of 260 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 245 trivial. 0 not checked. [2022-11-25 23:54:11,999 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 23:54:11,999 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:54:11,999 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [341618364] [2022-11-25 23:54:11,999 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-25 23:54:12,000 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [649104716] [2022-11-25 23:54:12,000 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [649104716] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:54:12,000 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:54:12,000 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-25 23:54:12,000 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2113889276] [2022-11-25 23:54:12,001 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:54:12,001 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-25 23:54:12,001 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:54:12,002 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-25 23:54:12,002 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-11-25 23:54:12,002 INFO L87 Difference]: Start difference. First operand 248 states and 347 transitions. Second operand has 9 states, 9 states have (on average 5.444444444444445) internal successors, (49), 8 states have internal predecessors, (49), 6 states have call successors, (29), 3 states have call predecessors, (29), 2 states have return successors, (27), 6 states have call predecessors, (27), 5 states have call successors, (27) [2022-11-25 23:54:12,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:54:12,929 INFO L93 Difference]: Finished difference Result 432 states and 594 transitions. [2022-11-25 23:54:12,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-25 23:54:12,930 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.444444444444445) internal successors, (49), 8 states have internal predecessors, (49), 6 states have call successors, (29), 3 states have call predecessors, (29), 2 states have return successors, (27), 6 states have call predecessors, (27), 5 states have call successors, (27) Word has length 163 [2022-11-25 23:54:12,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:54:12,932 INFO L225 Difference]: With dead ends: 432 [2022-11-25 23:54:12,932 INFO L226 Difference]: Without dead ends: 248 [2022-11-25 23:54:12,933 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 156 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2022-11-25 23:54:12,934 INFO L413 NwaCegarLoop]: 271 mSDtfsCounter, 220 mSDsluCounter, 1449 mSDsCounter, 0 mSdLazyCounter, 555 mSolverCounterSat, 146 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 231 SdHoareTripleChecker+Valid, 1720 SdHoareTripleChecker+Invalid, 701 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 146 IncrementalHoareTripleChecker+Valid, 555 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-11-25 23:54:12,934 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [231 Valid, 1720 Invalid, 701 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [146 Valid, 555 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-11-25 23:54:12,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 248 states. [2022-11-25 23:54:12,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 248 to 248. [2022-11-25 23:54:12,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 248 states, 130 states have (on average 1.1923076923076923) internal successors, (155), 132 states have internal predecessors, (155), 93 states have call successors, (93), 22 states have call predecessors, (93), 24 states have return successors, (96), 93 states have call predecessors, (96), 92 states have call successors, (96) [2022-11-25 23:54:12,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 248 states and 344 transitions. [2022-11-25 23:54:12,952 INFO L78 Accepts]: Start accepts. Automaton has 248 states and 344 transitions. Word has length 163 [2022-11-25 23:54:12,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:54:12,952 INFO L495 AbstractCegarLoop]: Abstraction has 248 states and 344 transitions. [2022-11-25 23:54:12,953 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.444444444444445) internal successors, (49), 8 states have internal predecessors, (49), 6 states have call successors, (29), 3 states have call predecessors, (29), 2 states have return successors, (27), 6 states have call predecessors, (27), 5 states have call successors, (27) [2022-11-25 23:54:12,953 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 344 transitions. [2022-11-25 23:54:12,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-11-25 23:54:12,955 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:54:12,955 INFO L195 NwaCegarLoop]: trace histogram [11, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:54:12,976 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0b4771a-1115-4202-b8ba-8cdfac4a7539/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-11-25 23:54:13,175 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0b4771a-1115-4202-b8ba-8cdfac4a7539/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2022-11-25 23:54:13,176 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 23:54:13,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:54:13,176 INFO L85 PathProgramCache]: Analyzing trace with hash -1561834877, now seen corresponding path program 1 times [2022-11-25 23:54:13,177 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:54:13,177 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [648587653] [2022-11-25 23:54:13,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:54:13,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:54:13,284 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-25 23:54:13,284 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2070394628] [2022-11-25 23:54:13,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:54:13,284 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:54:13,285 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0b4771a-1115-4202-b8ba-8cdfac4a7539/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:54:13,286 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0b4771a-1115-4202-b8ba-8cdfac4a7539/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 23:54:13,304 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0b4771a-1115-4202-b8ba-8cdfac4a7539/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-11-25 23:54:14,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:54:14,142 INFO L263 TraceCheckSpWp]: Trace formula consists of 3200 conjuncts, 56 conjunts are in the unsatisfiable core [2022-11-25 23:54:14,150 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:54:14,377 INFO L134 CoverageAnalysis]: Checked inductivity of 305 backedges. 161 proven. 6 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2022-11-25 23:54:14,377 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 23:54:14,926 INFO L134 CoverageAnalysis]: Checked inductivity of 305 backedges. 8 proven. 2 refuted. 0 times theorem prover too weak. 295 trivial. 0 not checked. [2022-11-25 23:54:14,927 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:54:14,927 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [648587653] [2022-11-25 23:54:14,927 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-25 23:54:14,927 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2070394628] [2022-11-25 23:54:14,927 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2070394628] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 23:54:14,928 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1570187115] [2022-11-25 23:54:14,951 INFO L159 IcfgInterpreter]: Started Sifa with 88 locations of interest [2022-11-25 23:54:14,951 INFO L166 IcfgInterpreter]: Building call graph [2022-11-25 23:54:14,955 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-25 23:54:14,960 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-25 23:54:14,961 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-25 23:54:18,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:54:18,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:54:19,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:54:19,047 INFO L217 Elim1Store]: Index analysis took 451 ms [2022-11-25 23:54:48,269 WARN L233 SmtUtils]: Spent 29.13s 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 23:54:48,275 INFO L321 Elim1Store]: treesize reduction 3474, result has 33.3 percent of original size [2022-11-25 23:54:48,280 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 23:54:51,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:54:51,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:54:51,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:54:51,737 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 196 select indices, 196 select index equivalence classes, 19307 disjoint index pairs (out of 19110 index pairs), introduced 196 new quantified variables, introduced 0 case distinctions, treesize of input 987 treesize of output 1574 [2022-11-25 23:55:53,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:55:53,804 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 23:55:53,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:55:53,811 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 23:55:53,818 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 23:55:53,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:55:53,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:55:53,827 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 23:55:56,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:55:56,882 INFO L217 Elim1Store]: Index analysis took 101 ms [2022-11-25 23:55:56,960 INFO L321 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-11-25 23:55:56,965 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 23:55:57,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:55:57,630 INFO L321 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-11-25 23:55:57,635 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 23:55:57,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:55:57,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:55:58,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:55:58,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:55:58,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:55:58,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:55:58,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:55:58,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:55:58,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:55:58,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:55:58,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:55:58,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:55:58,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:55:58,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:55:58,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:55:58,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:55:58,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:55:58,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:55:58,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:55:58,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:55:58,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:55:58,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:55:58,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:55:58,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:55:58,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:55:58,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:55:58,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:55:58,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:55:58,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:55:58,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:55:58,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:55:58,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:55:58,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:55:58,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:55:58,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:55:58,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:55:58,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:55:58,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:55:58,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:55:58,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:55:58,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:55:58,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:55:58,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:55:58,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:55:58,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:55:58,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:55:58,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:55:58,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:55:58,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:55:58,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:55:58,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:55:58,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:55:58,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:55:58,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:55:58,102 INFO L217 Elim1Store]: Index analysis took 107 ms [2022-11-25 23:55:58,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:55:58,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:55:58,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:55:58,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:55:58,134 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 23:55:58,136 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 55 select indices, 55 select index equivalence classes, 1245 disjoint index pairs (out of 1485 index pairs), introduced 55 new quantified variables, introduced 4 case distinctions, treesize of input 644 treesize of output 304 [2022-11-25 23:55:58,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:55:58,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:55:58,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:55:58,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:55:58,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:55:58,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:55:58,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:55:58,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:55:58,669 INFO L217 Elim1Store]: Index analysis took 144 ms [2022-11-25 23:55:58,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:55:58,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:55:58,684 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:55:58,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:55:58,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:55:58,702 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:55:58,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:55:58,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:55:58,766 INFO L321 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2022-11-25 23:55:58,771 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 23:55:59,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:55:59,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:55:59,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:55:59,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:55:59,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:55:59,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:55:59,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:55:59,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:55:59,447 INFO L217 Elim1Store]: Index analysis took 148 ms [2022-11-25 23:55:59,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:55:59,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:55:59,457 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:55:59,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:55:59,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:55:59,463 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:55:59,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:55:59,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:55:59,544 INFO L321 Elim1Store]: treesize reduction 16, result has 36.0 percent of original size [2022-11-25 23:55:59,548 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 23:56:08,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:56:08,664 INFO L321 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-11-25 23:56:08,669 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 23:56:09,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:56:09,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:56:09,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:56:09,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:56:09,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:56:09,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:56:09,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:56:09,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:56:09,247 INFO L217 Elim1Store]: Index analysis took 135 ms [2022-11-25 23:56:09,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:56:09,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:56:09,258 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:56:09,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:56:09,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:56:09,266 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:56:09,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:56:09,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:56:09,327 INFO L321 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2022-11-25 23:56:09,332 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 23:56:09,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:56:09,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:56:09,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:56:09,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:56:09,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:56:09,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:56:09,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:56:09,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:56:09,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:56:09,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:56:09,828 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:56:09,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:56:09,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:56:09,834 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:56:09,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:56:09,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:56:09,915 INFO L321 Elim1Store]: treesize reduction 16, result has 36.0 percent of original size [2022-11-25 23:56:09,920 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 23:56:10,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:56:10,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:56:10,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:56:10,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:56:10,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:56:10,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:56:10,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:56:10,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:56:10,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:56:10,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:56:10,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:56:10,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:56:10,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:56:10,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:56:10,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:56:10,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:56:10,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:56:10,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:56:10,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:56:10,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:56:10,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:56:10,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:56:10,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:56:10,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:56:10,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:56:10,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:56:10,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:56:10,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:56:10,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:56:10,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:56:10,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:56:10,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:56:10,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:56:10,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:56:10,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:56:10,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:56:10,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:56:10,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:56:10,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:56:10,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:56:10,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:56:10,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:56:10,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:56:10,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:56:10,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:56:10,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:56:10,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:56:10,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:56:10,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:56:10,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:56:10,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:56:10,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:56:10,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:56:10,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:56:10,312 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 23:56:10,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:56:10,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:56:10,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:56:10,635 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 23:56:11,756 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 23:56:11,763 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 23:56:11,797 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 23:56:11,801 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 23:56:11,847 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 23:56:11,854 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 23:56:11,860 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 23:56:11,873 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 23:56:11,928 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 23:56:11,928 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 23:56:11,942 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 23:56:11,952 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 23:56:11,999 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 23:56:12,005 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 23:56:12,033 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 23:56:12,034 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 23:56:12,086 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 23:56:12,625 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 23:56:12,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:56:12,710 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 23:56:12,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:56:12,751 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 23:56:14,070 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 23:56:14,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:56:14,618 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 40 treesize of output 30 [2022-11-25 23:56:14,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:56:14,656 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 23:56:15,624 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-11-25 23:56:15,625 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 23:56:15,681 INFO L321 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-11-25 23:56:15,682 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 23:56:15,948 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:56:15,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:56:15,949 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:56:15,950 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:56:15,957 INFO L321 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2022-11-25 23:56:15,958 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 81 treesize of output 33 [2022-11-25 23:56:15,971 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 23:56:15,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:56:15,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:56:15,995 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:56:16,002 INFO L321 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-11-25 23:56:16,003 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 70 treesize of output 38 [2022-11-25 23:56:16,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:56:16,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:56:16,019 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:56:16,026 INFO L321 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-11-25 23:56:16,026 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 64 treesize of output 32 [2022-11-25 23:56:16,042 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 23:56:16,158 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 23:56:16,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:56:16,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:56:16,278 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:56:16,286 INFO L321 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-11-25 23:56:16,286 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 70 treesize of output 38 [2022-11-25 23:56:16,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:56:16,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:56:16,302 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:56:16,310 INFO L321 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-11-25 23:56:16,310 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 64 treesize of output 32 [2022-11-25 23:56:16,328 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 23:56:16,346 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:56:16,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:56:16,347 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:56:16,355 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:56:16,365 INFO L321 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2022-11-25 23:56:16,368 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 81 treesize of output 33 [2022-11-25 23:56:33,261 INFO L197 IcfgInterpreter]: Interpreting procedure aws_array_list_is_valid with input of size 47 for LOIs [2022-11-25 23:56:33,283 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 23:56:33,296 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 23:56:33,350 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 23:56:33,360 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 23:56:33,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:56:33,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:56:33,383 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 23:56:33,383 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 23:56:33,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:56:33,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:56:33,449 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 23:56:33,449 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 23:56:33,464 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 23:56:33,474 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 23:56:33,761 INFO L321 Elim1Store]: treesize reduction 24, result has 48.9 percent of original size [2022-11-25 23:56:33,761 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 23:56:34,331 INFO L197 IcfgInterpreter]: Interpreting procedure aws_mul_size_checked with input of size 94 for LOIs [2022-11-25 23:56:34,620 INFO L197 IcfgInterpreter]: Interpreting procedure __CPROVER_overflow_mult with input of size 80 for LOIs [2022-11-25 23:56:34,641 INFO L197 IcfgInterpreter]: Interpreting procedure aws_array_list_is_bounded with input of size 2819 for LOIs [2022-11-25 23:56:38,020 INFO L197 IcfgInterpreter]: Interpreting procedure ensure_array_list_has_allocated_data_member with input of size 2869 for LOIs [2022-11-25 23:58:32,974 INFO L197 IcfgInterpreter]: Interpreting procedure can_fail_allocator with input of size 2864 for LOIs [2022-11-25 23:58:39,828 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 70 for LOIs [2022-11-25 23:58:39,838 INFO L197 IcfgInterpreter]: Interpreting procedure can_fail_malloc with input of size 88 for LOIs [2022-11-25 23:58:39,958 INFO L197 IcfgInterpreter]: Interpreting procedure nondet_bool with input of size 82 for LOIs [2022-11-25 23:58:39,969 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-26 00:00:30,679 WARN L233 SmtUtils]: Spent 1.83m 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) [2022-11-26 00:03:13,317 WARN L233 SmtUtils]: Spent 2.69m on a formula simplification. DAG size of input: 2819 DAG size of output: 2435 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-26 00:06:37,279 WARN L233 SmtUtils]: Spent 3.37m on a formula simplification. DAG size of input: 2861 DAG size of output: 2477 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)