./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_priority_queue_push_ref_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a753152-a038-4a35-a9dd-ae5a1c10c52c/bin/utaipan-6cKwYrpEi9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a753152-a038-4a35-a9dd-ae5a1c10c52c/bin/utaipan-6cKwYrpEi9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a753152-a038-4a35-a9dd-ae5a1c10c52c/bin/utaipan-6cKwYrpEi9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a753152-a038-4a35-a9dd-ae5a1c10c52c/bin/utaipan-6cKwYrpEi9/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_priority_queue_push_ref_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a753152-a038-4a35-a9dd-ae5a1c10c52c/bin/utaipan-6cKwYrpEi9/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a753152-a038-4a35-a9dd-ae5a1c10c52c/bin/utaipan-6cKwYrpEi9 --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 00eefb20b1e97d60d3c6a842acdb225be14d327e18edfa8146d29fe131145042 --- 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-6b4ec56 [2022-11-20 19:45:56,810 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 19:45:56,812 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 19:45:56,833 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 19:45:56,834 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 19:45:56,835 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 19:45:56,836 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 19:45:56,838 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 19:45:56,840 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 19:45:56,841 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 19:45:56,843 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 19:45:56,844 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 19:45:56,844 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 19:45:56,845 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 19:45:56,847 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 19:45:56,848 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 19:45:56,849 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 19:45:56,850 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 19:45:56,852 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 19:45:56,854 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 19:45:56,855 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 19:45:56,857 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 19:45:56,858 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 19:45:56,859 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 19:45:56,863 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 19:45:56,864 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 19:45:56,864 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 19:45:56,865 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 19:45:56,866 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 19:45:56,867 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 19:45:56,868 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 19:45:56,869 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 19:45:56,869 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 19:45:56,870 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 19:45:56,871 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 19:45:56,872 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 19:45:56,872 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 19:45:56,873 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 19:45:56,873 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 19:45:56,874 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 19:45:56,875 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 19:45:56,876 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a753152-a038-4a35-a9dd-ae5a1c10c52c/bin/utaipan-6cKwYrpEi9/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-20 19:45:56,900 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 19:45:56,900 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 19:45:56,901 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 19:45:56,901 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 19:45:56,902 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 19:45:56,902 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 19:45:56,903 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-20 19:45:56,903 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-20 19:45:56,903 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-20 19:45:56,904 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-20 19:45:56,904 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-20 19:45:56,904 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-20 19:45:56,905 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-20 19:45:56,905 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-20 19:45:56,905 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-20 19:45:56,906 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-20 19:45:56,906 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-20 19:45:56,906 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-20 19:45:56,907 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 19:45:56,907 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 19:45:56,908 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 19:45:56,908 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 19:45:56,908 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 19:45:56,909 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 19:45:56,909 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 19:45:56,909 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 19:45:56,910 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 19:45:56,910 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 19:45:56,910 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 19:45:56,911 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 19:45:56,911 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 19:45:56,911 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-20 19:45:56,912 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 19:45:56,912 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 19:45:56,912 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-20 19:45:56,913 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 19:45:56,913 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 19:45:56,913 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-20 19:45:56,914 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_1a753152-a038-4a35-a9dd-ae5a1c10c52c/bin/utaipan-6cKwYrpEi9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a753152-a038-4a35-a9dd-ae5a1c10c52c/bin/utaipan-6cKwYrpEi9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 00eefb20b1e97d60d3c6a842acdb225be14d327e18edfa8146d29fe131145042 [2022-11-20 19:45:57,202 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 19:45:57,237 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 19:45:57,240 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 19:45:57,241 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 19:45:57,241 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 19:45:57,243 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a753152-a038-4a35-a9dd-ae5a1c10c52c/bin/utaipan-6cKwYrpEi9/../../sv-benchmarks/c/aws-c-common/aws_priority_queue_push_ref_harness.i [2022-11-20 19:46:00,351 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 19:46:01,022 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 19:46:01,023 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a753152-a038-4a35-a9dd-ae5a1c10c52c/sv-benchmarks/c/aws-c-common/aws_priority_queue_push_ref_harness.i [2022-11-20 19:46:01,064 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a753152-a038-4a35-a9dd-ae5a1c10c52c/bin/utaipan-6cKwYrpEi9/data/17d940c18/36e5a446d57f4374b1f8ff8e68b8dc9a/FLAGaca4f63e2 [2022-11-20 19:46:01,084 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a753152-a038-4a35-a9dd-ae5a1c10c52c/bin/utaipan-6cKwYrpEi9/data/17d940c18/36e5a446d57f4374b1f8ff8e68b8dc9a [2022-11-20 19:46:01,091 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 19:46:01,094 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 19:46:01,097 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 19:46:01,098 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 19:46:01,102 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 19:46:01,103 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:46:01" (1/1) ... [2022-11-20 19:46:01,105 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58f76611 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:46:01, skipping insertion in model container [2022-11-20 19:46:01,105 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:46:01" (1/1) ... [2022-11-20 19:46:01,113 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 19:46:01,233 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 19:46:01,506 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_1a753152-a038-4a35-a9dd-ae5a1c10c52c/sv-benchmarks/c/aws-c-common/aws_priority_queue_push_ref_harness.i[4501,4514] [2022-11-20 19:46:01,516 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_1a753152-a038-4a35-a9dd-ae5a1c10c52c/sv-benchmarks/c/aws-c-common/aws_priority_queue_push_ref_harness.i[4561,4574] [2022-11-20 19:46:02,784 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 19:46:02,785 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 19:46:02,786 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 19:46:02,787 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 19:46:02,789 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 19:46:02,807 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 19:46:02,808 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 19:46:02,810 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 19:46:02,811 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 19:46:02,814 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 19:46:02,815 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 19:46:02,816 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 19:46:02,817 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 19:46:03,363 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-20 19:46:03,365 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-20 19:46:03,366 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-20 19:46:03,368 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-20 19:46:03,370 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-20 19:46:03,371 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-20 19:46:03,372 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-20 19:46:03,373 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-20 19:46:03,374 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-20 19:46:03,375 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-20 19:46:03,601 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-20 19:46:03,671 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 19:46:03,702 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 19:46:03,774 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 19:46:03,776 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 19:46:03,776 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 19:46:03,777 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 19:46:03,777 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 19:46:03,778 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 19:46:03,778 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 19:46:03,779 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 19:46:03,780 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 19:46:03,780 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 19:46:03,781 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 19:46:03,781 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 19:46:03,782 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 19:46:03,785 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 19:46:03,786 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 19:46:03,786 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 19:46:03,787 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 19:46:03,791 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 19:46:03,792 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 19:46:03,801 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 19:46:03,802 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 19:46:03,803 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 19:46:03,818 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 19:46:03,851 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 19:46:03,884 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_1a753152-a038-4a35-a9dd-ae5a1c10c52c/sv-benchmarks/c/aws-c-common/aws_priority_queue_push_ref_harness.i[4501,4514] [2022-11-20 19:46:03,885 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_1a753152-a038-4a35-a9dd-ae5a1c10c52c/sv-benchmarks/c/aws-c-common/aws_priority_queue_push_ref_harness.i[4561,4574] [2022-11-20 19:46:03,967 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 19:46:03,968 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 19:46:03,968 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 19:46:03,969 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 19:46:03,970 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 19:46:03,978 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 19:46:03,979 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 19:46:03,980 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 19:46:03,981 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 19:46:03,982 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 19:46:03,983 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 19:46:03,984 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 19:46:03,984 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 19:46:04,025 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-20 19:46:04,027 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-20 19:46:04,028 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-20 19:46:04,029 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-20 19:46:04,030 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-20 19:46:04,030 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-20 19:46:04,031 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-20 19:46:04,032 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-20 19:46:04,032 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-20 19:46:04,033 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-20 19:46:04,060 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-20 19:46:04,077 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 19:46:04,083 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 19:46:04,111 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 19:46:04,112 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 19:46:04,112 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 19:46:04,112 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 19:46:04,113 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 19:46:04,113 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 19:46:04,114 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 19:46:04,114 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 19:46:04,114 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 19:46:04,115 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 19:46:04,115 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 19:46:04,115 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 19:46:04,116 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 19:46:04,117 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 19:46:04,117 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 19:46:04,117 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 19:46:04,118 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 19:46:04,120 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 19:46:04,121 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 19:46:04,127 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 19:46:04,128 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 19:46:04,129 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 19:46:04,136 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 19:46:04,386 INFO L208 MainTranslator]: Completed translation [2022-11-20 19:46:04,387 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:46:04 WrapperNode [2022-11-20 19:46:04,387 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 19:46:04,389 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 19:46:04,389 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 19:46:04,389 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 19:46:04,397 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:46:04" (1/1) ... [2022-11-20 19:46:04,496 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:46:04" (1/1) ... [2022-11-20 19:46:04,575 INFO L138 Inliner]: procedures = 697, calls = 1879, calls flagged for inlining = 58, calls inlined = 17, statements flattened = 1144 [2022-11-20 19:46:04,575 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 19:46:04,576 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 19:46:04,576 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 19:46:04,576 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 19:46:04,586 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:46:04" (1/1) ... [2022-11-20 19:46:04,587 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:46:04" (1/1) ... [2022-11-20 19:46:04,596 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:46:04" (1/1) ... [2022-11-20 19:46:04,597 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:46:04" (1/1) ... [2022-11-20 19:46:04,641 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:46:04" (1/1) ... [2022-11-20 19:46:04,649 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:46:04" (1/1) ... [2022-11-20 19:46:04,659 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:46:04" (1/1) ... [2022-11-20 19:46:04,665 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:46:04" (1/1) ... [2022-11-20 19:46:04,678 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 19:46:04,679 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 19:46:04,679 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 19:46:04,679 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 19:46:04,680 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:46:04" (1/1) ... [2022-11-20 19:46:04,703 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 19:46:04,716 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a753152-a038-4a35-a9dd-ae5a1c10c52c/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 19:46:04,731 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a753152-a038-4a35-a9dd-ae5a1c10c52c/bin/utaipan-6cKwYrpEi9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 19:46:04,761 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a753152-a038-4a35-a9dd-ae5a1c10c52c/bin/utaipan-6cKwYrpEi9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 19:46:04,792 INFO L130 BoogieDeclarations]: Found specification of procedure s_swap [2022-11-20 19:46:04,792 INFO L138 BoogieDeclarations]: Found implementation of procedure s_swap [2022-11-20 19:46:04,793 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_init_dynamic [2022-11-20 19:46:04,793 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_init_dynamic [2022-11-20 19:46:04,793 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_mem_zeroed [2022-11-20 19:46:04,793 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_mem_zeroed [2022-11-20 19:46:04,793 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 19:46:04,794 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2022-11-20 19:46:04,794 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2022-11-20 19:46:04,794 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2022-11-20 19:46:04,794 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2022-11-20 19:46:04,795 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2022-11-20 19:46:04,796 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2022-11-20 19:46:04,800 INFO L130 BoogieDeclarations]: Found specification of procedure aws_allocator_is_valid [2022-11-20 19:46:04,801 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_allocator_is_valid [2022-11-20 19:46:04,801 INFO L130 BoogieDeclarations]: Found specification of procedure s_sift_up [2022-11-20 19:46:04,802 INFO L138 BoogieDeclarations]: Found implementation of procedure s_sift_up [2022-11-20 19:46:04,802 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-20 19:46:04,803 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2022-11-20 19:46:04,804 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2022-11-20 19:46:04,804 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-11-20 19:46:04,804 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-11-20 19:46:04,810 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-20 19:46:04,811 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 19:46:04,811 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-20 19:46:04,811 INFO L130 BoogieDeclarations]: Found specification of procedure my_abort [2022-11-20 19:46:04,811 INFO L138 BoogieDeclarations]: Found implementation of procedure my_abort [2022-11-20 19:46:04,811 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2022-11-20 19:46:04,812 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2022-11-20 19:46:04,812 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 19:46:04,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 19:46:04,813 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2022-11-20 19:46:04,813 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2022-11-20 19:46:04,813 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2022-11-20 19:46:04,813 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2022-11-20 19:46:04,814 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2022-11-20 19:46:04,814 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2022-11-20 19:46:04,814 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_is_valid [2022-11-20 19:46:04,814 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_is_valid [2022-11-20 19:46:04,814 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_release [2022-11-20 19:46:04,814 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_release [2022-11-20 19:46:04,815 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_length [2022-11-20 19:46:04,815 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_length [2022-11-20 19:46:04,815 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-20 19:46:04,815 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-20 19:46:04,815 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-20 19:46:04,816 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-20 19:46:04,816 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2022-11-20 19:46:04,816 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2022-11-20 19:46:04,816 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_pop_back [2022-11-20 19:46:04,816 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_pop_back [2022-11-20 19:46:04,816 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_acquire [2022-11-20 19:46:04,817 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_acquire [2022-11-20 19:46:04,817 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 19:46:04,817 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2022-11-20 19:46:04,818 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2022-11-20 19:46:04,818 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-20 19:46:04,819 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-20 19:46:04,820 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_push_ref [2022-11-20 19:46:04,820 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_push_ref [2022-11-20 19:46:04,820 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_get_at_ptr [2022-11-20 19:46:04,821 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_get_at_ptr [2022-11-20 19:46:04,821 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2022-11-20 19:46:04,821 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2022-11-20 19:46:04,821 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2022-11-20 19:46:04,821 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2022-11-20 19:46:04,822 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2022-11-20 19:46:04,822 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2022-11-20 19:46:04,822 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 19:46:04,823 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2022-11-20 19:46:04,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2022-11-20 19:46:04,823 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_set_at [2022-11-20 19:46:04,823 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_set_at [2022-11-20 19:46:04,823 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_backpointer_index_valid [2022-11-20 19:46:04,823 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_backpointer_index_valid [2022-11-20 19:46:04,824 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-20 19:46:04,824 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-20 19:46:04,824 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 19:46:05,326 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 19:46:05,329 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 19:46:07,125 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 19:46:07,464 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 19:46:07,464 INFO L300 CfgBuilder]: Removed 5 assume(true) statements. [2022-11-20 19:46:07,469 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:46:07 BoogieIcfgContainer [2022-11-20 19:46:07,469 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 19:46:07,471 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 19:46:07,472 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 19:46:07,475 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 19:46:07,475 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 07:46:01" (1/3) ... [2022-11-20 19:46:07,477 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ec29346 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 07:46:07, skipping insertion in model container [2022-11-20 19:46:07,477 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:46:04" (2/3) ... [2022-11-20 19:46:07,479 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ec29346 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 07:46:07, skipping insertion in model container [2022-11-20 19:46:07,479 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:46:07" (3/3) ... [2022-11-20 19:46:07,481 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_priority_queue_push_ref_harness.i [2022-11-20 19:46:07,501 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 19:46:07,501 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-20 19:46:07,587 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 19:46:07,593 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;@4e5cece5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 19:46:07,593 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-20 19:46:07,599 INFO L276 IsEmpty]: Start isEmpty. Operand has 461 states, 233 states have (on average 1.201716738197425) internal successors, (280), 236 states have internal predecessors, (280), 193 states have call successors, (193), 33 states have call predecessors, (193), 33 states have return successors, (193), 193 states have call predecessors, (193), 193 states have call successors, (193) [2022-11-20 19:46:07,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2022-11-20 19:46:07,613 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 19:46:07,613 INFO L195 NwaCegarLoop]: trace histogram [11, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 19:46:07,614 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 19:46:07,619 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 19:46:07,619 INFO L85 PathProgramCache]: Analyzing trace with hash 1883306848, now seen corresponding path program 1 times [2022-11-20 19:46:07,629 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 19:46:07,629 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1314273745] [2022-11-20 19:46:07,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 19:46:07,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 19:46:08,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 19:46:08,893 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 142 trivial. 0 not checked. [2022-11-20 19:46:08,894 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 19:46:08,894 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1314273745] [2022-11-20 19:46:08,895 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1314273745] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 19:46:08,896 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [4825560] [2022-11-20 19:46:08,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 19:46:08,897 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 19:46:08,897 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a753152-a038-4a35-a9dd-ae5a1c10c52c/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 19:46:08,900 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a753152-a038-4a35-a9dd-ae5a1c10c52c/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 19:46:08,931 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a753152-a038-4a35-a9dd-ae5a1c10c52c/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-20 19:46:09,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 19:46:09,607 INFO L263 TraceCheckSpWp]: Trace formula consists of 2376 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-20 19:46:09,618 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 19:46:09,762 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2022-11-20 19:46:09,767 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 19:46:09,767 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [4825560] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 19:46:09,767 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-20 19:46:09,768 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 8 [2022-11-20 19:46:09,773 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [255659544] [2022-11-20 19:46:09,774 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 19:46:09,779 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-20 19:46:09,779 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 19:46:09,827 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-20 19:46:09,828 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-11-20 19:46:09,833 INFO L87 Difference]: Start difference. First operand has 461 states, 233 states have (on average 1.201716738197425) internal successors, (280), 236 states have internal predecessors, (280), 193 states have call successors, (193), 33 states have call predecessors, (193), 33 states have return successors, (193), 193 states have call predecessors, (193), 193 states have call successors, (193) Second operand has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 3 states have call successors, (26), 2 states have call predecessors, (26), 3 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2022-11-20 19:46:10,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 19:46:10,699 INFO L93 Difference]: Finished difference Result 895 states and 1358 transitions. [2022-11-20 19:46:10,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-20 19:46:10,702 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 3 states have call successors, (26), 2 states have call predecessors, (26), 3 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) Word has length 123 [2022-11-20 19:46:10,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 19:46:10,719 INFO L225 Difference]: With dead ends: 895 [2022-11-20 19:46:10,723 INFO L226 Difference]: Without dead ends: 460 [2022-11-20 19:46:10,736 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 121 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2022-11-20 19:46:10,746 INFO L413 NwaCegarLoop]: 600 mSDtfsCounter, 18 mSDsluCounter, 1741 mSDsCounter, 0 mSdLazyCounter, 263 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 2341 SdHoareTripleChecker+Invalid, 264 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 263 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-11-20 19:46:10,747 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 2341 Invalid, 264 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 263 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-11-20 19:46:10,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 460 states. [2022-11-20 19:46:10,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 460 to 460. [2022-11-20 19:46:10,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 460 states, 232 states have (on average 1.1896551724137931) internal successors, (276), 235 states have internal predecessors, (276), 193 states have call successors, (193), 33 states have call predecessors, (193), 33 states have return successors, (199), 191 states have call predecessors, (199), 191 states have call successors, (199) [2022-11-20 19:46:10,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 460 states and 668 transitions. [2022-11-20 19:46:10,842 INFO L78 Accepts]: Start accepts. Automaton has 460 states and 668 transitions. Word has length 123 [2022-11-20 19:46:10,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 19:46:10,843 INFO L495 AbstractCegarLoop]: Abstraction has 460 states and 668 transitions. [2022-11-20 19:46:10,843 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 3 states have call successors, (26), 2 states have call predecessors, (26), 3 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2022-11-20 19:46:10,844 INFO L276 IsEmpty]: Start isEmpty. Operand 460 states and 668 transitions. [2022-11-20 19:46:10,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2022-11-20 19:46:10,847 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 19:46:10,848 INFO L195 NwaCegarLoop]: trace histogram [11, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 19:46:10,864 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a753152-a038-4a35-a9dd-ae5a1c10c52c/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-20 19:46:11,057 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a753152-a038-4a35-a9dd-ae5a1c10c52c/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 19:46:11,058 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 19:46:11,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 19:46:11,059 INFO L85 PathProgramCache]: Analyzing trace with hash 745458347, now seen corresponding path program 1 times [2022-11-20 19:46:11,059 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 19:46:11,060 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1254665450] [2022-11-20 19:46:11,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 19:46:11,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 19:46:11,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 19:46:11,838 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2022-11-20 19:46:11,839 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 19:46:11,839 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1254665450] [2022-11-20 19:46:11,839 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1254665450] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 19:46:11,839 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [601686446] [2022-11-20 19:46:11,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 19:46:11,840 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 19:46:11,840 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a753152-a038-4a35-a9dd-ae5a1c10c52c/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 19:46:11,843 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a753152-a038-4a35-a9dd-ae5a1c10c52c/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 19:46:11,869 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a753152-a038-4a35-a9dd-ae5a1c10c52c/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-20 19:46:12,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 19:46:12,531 INFO L263 TraceCheckSpWp]: Trace formula consists of 2426 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-20 19:46:12,540 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 19:46:12,705 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2022-11-20 19:46:12,706 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 19:46:12,706 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [601686446] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 19:46:12,706 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-20 19:46:12,707 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [8] total 13 [2022-11-20 19:46:12,707 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1706646616] [2022-11-20 19:46:12,707 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 19:46:12,708 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-20 19:46:12,708 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 19:46:12,709 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-20 19:46:12,709 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=130, Unknown=0, NotChecked=0, Total=156 [2022-11-20 19:46:12,710 INFO L87 Difference]: Start difference. First operand 460 states and 668 transitions. Second operand has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 7 states have internal predecessors, (48), 4 states have call successors, (27), 2 states have call predecessors, (27), 4 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) [2022-11-20 19:46:13,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 19:46:13,833 INFO L93 Difference]: Finished difference Result 905 states and 1354 transitions. [2022-11-20 19:46:13,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-20 19:46:13,834 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 7 states have internal predecessors, (48), 4 states have call successors, (27), 2 states have call predecessors, (27), 4 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) Word has length 131 [2022-11-20 19:46:13,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 19:46:13,840 INFO L225 Difference]: With dead ends: 905 [2022-11-20 19:46:13,840 INFO L226 Difference]: Without dead ends: 473 [2022-11-20 19:46:13,842 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2022-11-20 19:46:13,844 INFO L413 NwaCegarLoop]: 568 mSDtfsCounter, 36 mSDsluCounter, 2709 mSDsCounter, 0 mSdLazyCounter, 643 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 3277 SdHoareTripleChecker+Invalid, 651 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 643 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-11-20 19:46:13,844 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 3277 Invalid, 651 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 643 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-11-20 19:46:13,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 473 states. [2022-11-20 19:46:13,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 473 to 471. [2022-11-20 19:46:13,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 471 states, 240 states have (on average 1.1916666666666667) internal successors, (286), 243 states have internal predecessors, (286), 195 states have call successors, (195), 33 states have call predecessors, (195), 34 states have return successors, (233), 194 states have call predecessors, (233), 193 states have call successors, (233) [2022-11-20 19:46:13,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 471 states to 471 states and 714 transitions. [2022-11-20 19:46:13,892 INFO L78 Accepts]: Start accepts. Automaton has 471 states and 714 transitions. Word has length 131 [2022-11-20 19:46:13,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 19:46:13,893 INFO L495 AbstractCegarLoop]: Abstraction has 471 states and 714 transitions. [2022-11-20 19:46:13,893 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 7 states have internal predecessors, (48), 4 states have call successors, (27), 2 states have call predecessors, (27), 4 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) [2022-11-20 19:46:13,894 INFO L276 IsEmpty]: Start isEmpty. Operand 471 states and 714 transitions. [2022-11-20 19:46:13,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2022-11-20 19:46:13,897 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 19:46:13,897 INFO L195 NwaCegarLoop]: trace histogram [11, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 19:46:13,918 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a753152-a038-4a35-a9dd-ae5a1c10c52c/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-20 19:46:14,108 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a753152-a038-4a35-a9dd-ae5a1c10c52c/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 19:46:14,108 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 19:46:14,108 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 19:46:14,109 INFO L85 PathProgramCache]: Analyzing trace with hash -743776453, now seen corresponding path program 1 times [2022-11-20 19:46:14,109 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 19:46:14,109 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [711606111] [2022-11-20 19:46:14,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 19:46:14,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 19:46:14,212 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-20 19:46:14,212 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1274009715] [2022-11-20 19:46:14,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 19:46:14,212 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 19:46:14,213 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a753152-a038-4a35-a9dd-ae5a1c10c52c/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 19:46:14,214 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a753152-a038-4a35-a9dd-ae5a1c10c52c/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 19:46:14,217 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a753152-a038-4a35-a9dd-ae5a1c10c52c/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-20 19:46:14,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 19:46:14,909 INFO L263 TraceCheckSpWp]: Trace formula consists of 2558 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-20 19:46:14,919 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 19:46:15,011 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2022-11-20 19:46:15,011 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 19:46:15,012 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 19:46:15,012 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [711606111] [2022-11-20 19:46:15,012 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-20 19:46:15,012 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1274009715] [2022-11-20 19:46:15,013 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1274009715] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 19:46:15,013 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 19:46:15,013 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-20 19:46:15,013 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [125149193] [2022-11-20 19:46:15,014 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 19:46:15,014 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 19:46:15,015 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 19:46:15,015 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 19:46:15,015 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-20 19:46:15,016 INFO L87 Difference]: Start difference. First operand 471 states and 714 transitions. Second operand has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 6 states have internal predecessors, (53), 4 states have call successors, (29), 2 states have call predecessors, (29), 3 states have return successors, (26), 4 states have call predecessors, (26), 4 states have call successors, (26) [2022-11-20 19:46:15,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 19:46:15,892 INFO L93 Difference]: Finished difference Result 922 states and 1420 transitions. [2022-11-20 19:46:15,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-20 19:46:15,907 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 6 states have internal predecessors, (53), 4 states have call successors, (29), 2 states have call predecessors, (29), 3 states have return successors, (26), 4 states have call predecessors, (26), 4 states have call successors, (26) Word has length 140 [2022-11-20 19:46:15,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 19:46:15,912 INFO L225 Difference]: With dead ends: 922 [2022-11-20 19:46:15,913 INFO L226 Difference]: Without dead ends: 479 [2022-11-20 19:46:15,915 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 135 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2022-11-20 19:46:15,917 INFO L413 NwaCegarLoop]: 598 mSDtfsCounter, 29 mSDsluCounter, 2304 mSDsCounter, 0 mSdLazyCounter, 384 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 2902 SdHoareTripleChecker+Invalid, 390 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 384 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-11-20 19:46:15,917 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 2902 Invalid, 390 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 384 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-11-20 19:46:15,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 479 states. [2022-11-20 19:46:15,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 479 to 471. [2022-11-20 19:46:15,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 471 states, 240 states have (on average 1.1916666666666667) internal successors, (286), 243 states have internal predecessors, (286), 195 states have call successors, (195), 33 states have call predecessors, (195), 34 states have return successors, (233), 194 states have call predecessors, (233), 193 states have call successors, (233) [2022-11-20 19:46:15,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 471 states to 471 states and 714 transitions. [2022-11-20 19:46:15,991 INFO L78 Accepts]: Start accepts. Automaton has 471 states and 714 transitions. Word has length 140 [2022-11-20 19:46:15,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 19:46:15,991 INFO L495 AbstractCegarLoop]: Abstraction has 471 states and 714 transitions. [2022-11-20 19:46:15,992 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 6 states have internal predecessors, (53), 4 states have call successors, (29), 2 states have call predecessors, (29), 3 states have return successors, (26), 4 states have call predecessors, (26), 4 states have call successors, (26) [2022-11-20 19:46:15,992 INFO L276 IsEmpty]: Start isEmpty. Operand 471 states and 714 transitions. [2022-11-20 19:46:15,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2022-11-20 19:46:16,011 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 19:46:16,011 INFO L195 NwaCegarLoop]: trace histogram [11, 5, 5, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 19:46:16,027 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a753152-a038-4a35-a9dd-ae5a1c10c52c/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-20 19:46:16,221 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a753152-a038-4a35-a9dd-ae5a1c10c52c/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2022-11-20 19:46:16,222 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 19:46:16,222 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 19:46:16,223 INFO L85 PathProgramCache]: Analyzing trace with hash -1065458262, now seen corresponding path program 1 times [2022-11-20 19:46:16,223 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 19:46:16,223 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [65500242] [2022-11-20 19:46:16,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 19:46:16,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 19:46:16,343 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-20 19:46:16,343 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [49392709] [2022-11-20 19:46:16,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 19:46:16,344 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 19:46:16,344 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a753152-a038-4a35-a9dd-ae5a1c10c52c/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 19:46:16,345 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a753152-a038-4a35-a9dd-ae5a1c10c52c/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 19:46:16,379 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a753152-a038-4a35-a9dd-ae5a1c10c52c/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-20 19:46:17,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 19:46:17,099 INFO L263 TraceCheckSpWp]: Trace formula consists of 2612 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-20 19:46:17,106 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 19:46:17,233 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2022-11-20 19:46:17,234 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 19:46:17,234 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 19:46:17,234 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [65500242] [2022-11-20 19:46:17,234 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-20 19:46:17,234 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [49392709] [2022-11-20 19:46:17,234 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [49392709] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 19:46:17,235 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 19:46:17,235 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-20 19:46:17,235 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1415580872] [2022-11-20 19:46:17,235 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 19:46:17,236 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-20 19:46:17,236 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 19:46:17,236 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-20 19:46:17,237 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-11-20 19:46:17,237 INFO L87 Difference]: Start difference. First operand 471 states and 714 transitions. Second operand has 8 states, 8 states have (on average 7.375) internal successors, (59), 8 states have internal predecessors, (59), 5 states have call successors, (30), 2 states have call predecessors, (30), 4 states have return successors, (27), 5 states have call predecessors, (27), 5 states have call successors, (27) [2022-11-20 19:46:18,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 19:46:18,645 INFO L93 Difference]: Finished difference Result 924 states and 1417 transitions. [2022-11-20 19:46:18,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-20 19:46:18,646 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.375) internal successors, (59), 8 states have internal predecessors, (59), 5 states have call successors, (30), 2 states have call predecessors, (30), 4 states have return successors, (27), 5 states have call predecessors, (27), 5 states have call successors, (27) Word has length 148 [2022-11-20 19:46:18,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 19:46:18,652 INFO L225 Difference]: With dead ends: 924 [2022-11-20 19:46:18,652 INFO L226 Difference]: Without dead ends: 481 [2022-11-20 19:46:18,656 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2022-11-20 19:46:18,657 INFO L413 NwaCegarLoop]: 566 mSDtfsCounter, 52 mSDsluCounter, 3236 mSDsCounter, 0 mSdLazyCounter, 821 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 3802 SdHoareTripleChecker+Invalid, 839 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 821 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-11-20 19:46:18,658 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 3802 Invalid, 839 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 821 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-11-20 19:46:18,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 481 states. [2022-11-20 19:46:18,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 481 to 471. [2022-11-20 19:46:18,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 471 states, 240 states have (on average 1.1916666666666667) internal successors, (286), 243 states have internal predecessors, (286), 195 states have call successors, (195), 33 states have call predecessors, (195), 34 states have return successors, (233), 194 states have call predecessors, (233), 193 states have call successors, (233) [2022-11-20 19:46:18,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 471 states to 471 states and 714 transitions. [2022-11-20 19:46:18,708 INFO L78 Accepts]: Start accepts. Automaton has 471 states and 714 transitions. Word has length 148 [2022-11-20 19:46:18,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 19:46:18,709 INFO L495 AbstractCegarLoop]: Abstraction has 471 states and 714 transitions. [2022-11-20 19:46:18,710 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.375) internal successors, (59), 8 states have internal predecessors, (59), 5 states have call successors, (30), 2 states have call predecessors, (30), 4 states have return successors, (27), 5 states have call predecessors, (27), 5 states have call successors, (27) [2022-11-20 19:46:18,710 INFO L276 IsEmpty]: Start isEmpty. Operand 471 states and 714 transitions. [2022-11-20 19:46:18,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2022-11-20 19:46:18,712 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 19:46:18,713 INFO L195 NwaCegarLoop]: trace histogram [11, 5, 5, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 19:46:18,733 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a753152-a038-4a35-a9dd-ae5a1c10c52c/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-20 19:46:18,924 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a753152-a038-4a35-a9dd-ae5a1c10c52c/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 19:46:18,925 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 19:46:18,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 19:46:18,925 INFO L85 PathProgramCache]: Analyzing trace with hash -115711986, now seen corresponding path program 2 times [2022-11-20 19:46:18,926 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 19:46:18,926 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1179799934] [2022-11-20 19:46:18,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 19:46:18,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 19:46:19,041 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-20 19:46:19,041 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1450635824] [2022-11-20 19:46:19,041 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-20 19:46:19,041 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 19:46:19,041 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a753152-a038-4a35-a9dd-ae5a1c10c52c/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 19:46:19,043 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a753152-a038-4a35-a9dd-ae5a1c10c52c/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 19:46:19,063 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a753152-a038-4a35-a9dd-ae5a1c10c52c/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-20 19:46:20,028 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2022-11-20 19:46:20,028 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-20 19:46:20,036 INFO L263 TraceCheckSpWp]: Trace formula consists of 1881 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-20 19:46:20,041 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 19:46:20,074 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2022-11-20 19:46:20,074 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 19:46:20,074 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 19:46:20,074 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1179799934] [2022-11-20 19:46:20,074 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-20 19:46:20,075 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1450635824] [2022-11-20 19:46:20,075 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1450635824] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 19:46:20,075 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 19:46:20,075 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-20 19:46:20,075 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1127901526] [2022-11-20 19:46:20,076 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 19:46:20,076 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-20 19:46:20,076 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 19:46:20,077 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-20 19:46:20,077 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-20 19:46:20,077 INFO L87 Difference]: Start difference. First operand 471 states and 714 transitions. Second operand has 5 states, 3 states have (on average 19.0) internal successors, (57), 4 states have internal predecessors, (57), 3 states have call successors, (30), 2 states have call predecessors, (30), 4 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2022-11-20 19:46:20,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 19:46:20,937 INFO L93 Difference]: Finished difference Result 894 states and 1373 transitions. [2022-11-20 19:46:20,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-20 19:46:20,938 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 3 states have (on average 19.0) internal successors, (57), 4 states have internal predecessors, (57), 3 states have call successors, (30), 2 states have call predecessors, (30), 4 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) Word has length 157 [2022-11-20 19:46:20,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 19:46:20,943 INFO L225 Difference]: With dead ends: 894 [2022-11-20 19:46:20,943 INFO L226 Difference]: Without dead ends: 471 [2022-11-20 19:46:20,946 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 153 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-20 19:46:20,970 INFO L413 NwaCegarLoop]: 572 mSDtfsCounter, 0 mSDsluCounter, 1639 mSDsCounter, 0 mSdLazyCounter, 423 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2211 SdHoareTripleChecker+Invalid, 423 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 423 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-11-20 19:46:20,973 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2211 Invalid, 423 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 423 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-11-20 19:46:20,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 471 states. [2022-11-20 19:46:21,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 471 to 471. [2022-11-20 19:46:21,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 471 states, 240 states have (on average 1.1916666666666667) internal successors, (286), 243 states have internal predecessors, (286), 195 states have call successors, (195), 33 states have call predecessors, (195), 34 states have return successors, (232), 194 states have call predecessors, (232), 193 states have call successors, (232) [2022-11-20 19:46:21,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 471 states to 471 states and 713 transitions. [2022-11-20 19:46:21,010 INFO L78 Accepts]: Start accepts. Automaton has 471 states and 713 transitions. Word has length 157 [2022-11-20 19:46:21,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 19:46:21,012 INFO L495 AbstractCegarLoop]: Abstraction has 471 states and 713 transitions. [2022-11-20 19:46:21,012 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 3 states have (on average 19.0) internal successors, (57), 4 states have internal predecessors, (57), 3 states have call successors, (30), 2 states have call predecessors, (30), 4 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2022-11-20 19:46:21,012 INFO L276 IsEmpty]: Start isEmpty. Operand 471 states and 713 transitions. [2022-11-20 19:46:21,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2022-11-20 19:46:21,015 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 19:46:21,016 INFO L195 NwaCegarLoop]: trace histogram [11, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 19:46:21,031 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a753152-a038-4a35-a9dd-ae5a1c10c52c/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-11-20 19:46:21,219 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a753152-a038-4a35-a9dd-ae5a1c10c52c/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 19:46:21,219 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 19:46:21,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 19:46:21,220 INFO L85 PathProgramCache]: Analyzing trace with hash 1614652822, now seen corresponding path program 3 times [2022-11-20 19:46:21,220 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 19:46:21,220 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1335496656] [2022-11-20 19:46:21,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 19:46:21,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 19:46:21,332 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-20 19:46:21,332 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [796909470] [2022-11-20 19:46:21,332 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-11-20 19:46:21,332 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 19:46:21,333 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a753152-a038-4a35-a9dd-ae5a1c10c52c/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 19:46:21,334 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a753152-a038-4a35-a9dd-ae5a1c10c52c/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 19:46:21,364 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a753152-a038-4a35-a9dd-ae5a1c10c52c/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-20 19:46:21,774 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-11-20 19:46:21,774 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-20 19:46:21,778 INFO L263 TraceCheckSpWp]: Trace formula consists of 765 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-20 19:46:21,783 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 19:46:21,855 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 107 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2022-11-20 19:46:21,855 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 19:46:21,856 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 19:46:21,856 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1335496656] [2022-11-20 19:46:21,856 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-20 19:46:21,856 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [796909470] [2022-11-20 19:46:21,856 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [796909470] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 19:46:21,856 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 19:46:21,857 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-20 19:46:21,857 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1295239452] [2022-11-20 19:46:21,857 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 19:46:21,858 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-20 19:46:21,858 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 19:46:21,858 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-20 19:46:21,858 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-11-20 19:46:21,859 INFO L87 Difference]: Start difference. First operand 471 states and 713 transitions. Second operand has 8 states, 7 states have (on average 9.285714285714286) internal successors, (65), 8 states have internal predecessors, (65), 4 states have call successors, (32), 2 states have call predecessors, (32), 4 states have return successors, (29), 3 states have call predecessors, (29), 4 states have call successors, (29) [2022-11-20 19:46:23,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 19:46:23,348 INFO L93 Difference]: Finished difference Result 987 states and 1512 transitions. [2022-11-20 19:46:23,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-20 19:46:23,349 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 9.285714285714286) internal successors, (65), 8 states have internal predecessors, (65), 4 states have call successors, (32), 2 states have call predecessors, (32), 4 states have return successors, (29), 3 states have call predecessors, (29), 4 states have call successors, (29) Word has length 166 [2022-11-20 19:46:23,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 19:46:23,354 INFO L225 Difference]: With dead ends: 987 [2022-11-20 19:46:23,355 INFO L226 Difference]: Without dead ends: 560 [2022-11-20 19:46:23,358 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 170 GetRequests, 161 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2022-11-20 19:46:23,363 INFO L413 NwaCegarLoop]: 638 mSDtfsCounter, 100 mSDsluCounter, 3520 mSDsCounter, 0 mSdLazyCounter, 925 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 109 SdHoareTripleChecker+Valid, 4158 SdHoareTripleChecker+Invalid, 993 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 925 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-11-20 19:46:23,364 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [109 Valid, 4158 Invalid, 993 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [68 Valid, 925 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-11-20 19:46:23,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 560 states. [2022-11-20 19:46:23,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 560 to 544. [2022-11-20 19:46:23,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 544 states, 282 states have (on average 1.2056737588652482) internal successors, (340), 287 states have internal predecessors, (340), 224 states have call successors, (224), 34 states have call predecessors, (224), 36 states have return successors, (275), 222 states have call predecessors, (275), 222 states have call successors, (275) [2022-11-20 19:46:23,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 544 states to 544 states and 839 transitions. [2022-11-20 19:46:23,408 INFO L78 Accepts]: Start accepts. Automaton has 544 states and 839 transitions. Word has length 166 [2022-11-20 19:46:23,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 19:46:23,411 INFO L495 AbstractCegarLoop]: Abstraction has 544 states and 839 transitions. [2022-11-20 19:46:23,411 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 9.285714285714286) internal successors, (65), 8 states have internal predecessors, (65), 4 states have call successors, (32), 2 states have call predecessors, (32), 4 states have return successors, (29), 3 states have call predecessors, (29), 4 states have call successors, (29) [2022-11-20 19:46:23,411 INFO L276 IsEmpty]: Start isEmpty. Operand 544 states and 839 transitions. [2022-11-20 19:46:23,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2022-11-20 19:46:23,414 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 19:46:23,414 INFO L195 NwaCegarLoop]: trace histogram [11, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 19:46:23,423 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a753152-a038-4a35-a9dd-ae5a1c10c52c/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-11-20 19:46:23,614 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a753152-a038-4a35-a9dd-ae5a1c10c52c/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 19:46:23,615 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 19:46:23,615 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 19:46:23,615 INFO L85 PathProgramCache]: Analyzing trace with hash -898698852, now seen corresponding path program 4 times [2022-11-20 19:46:23,615 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 19:46:23,615 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1642644566] [2022-11-20 19:46:23,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 19:46:23,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 19:46:23,756 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-20 19:46:23,756 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1463115831] [2022-11-20 19:46:23,756 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-11-20 19:46:23,756 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 19:46:23,757 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a753152-a038-4a35-a9dd-ae5a1c10c52c/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 19:46:23,758 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a753152-a038-4a35-a9dd-ae5a1c10c52c/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 19:46:23,785 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a753152-a038-4a35-a9dd-ae5a1c10c52c/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-11-20 19:46:24,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 19:46:24,632 INFO L263 TraceCheckSpWp]: Trace formula consists of 3008 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-20 19:46:24,639 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 19:46:24,726 INFO L134 CoverageAnalysis]: Checked inductivity of 227 backedges. 123 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2022-11-20 19:46:24,726 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 19:46:24,727 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 19:46:24,727 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1642644566] [2022-11-20 19:46:24,727 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-20 19:46:24,727 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1463115831] [2022-11-20 19:46:24,728 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1463115831] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 19:46:24,728 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 19:46:24,728 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-20 19:46:24,728 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [993523569] [2022-11-20 19:46:24,728 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 19:46:24,729 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-20 19:46:24,729 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 19:46:24,730 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-20 19:46:24,730 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-20 19:46:24,730 INFO L87 Difference]: Start difference. First operand 544 states and 839 transitions. Second operand has 7 states, 6 states have (on average 10.333333333333334) internal successors, (62), 6 states have internal predecessors, (62), 4 states have call successors, (32), 3 states have call predecessors, (32), 3 states have return successors, (29), 3 states have call predecessors, (29), 4 states have call successors, (29) [2022-11-20 19:46:25,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 19:46:25,642 INFO L93 Difference]: Finished difference Result 930 states and 1416 transitions. [2022-11-20 19:46:25,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-20 19:46:25,643 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 10.333333333333334) internal successors, (62), 6 states have internal predecessors, (62), 4 states have call successors, (32), 3 states have call predecessors, (32), 3 states have return successors, (29), 3 states have call predecessors, (29), 4 states have call successors, (29) Word has length 175 [2022-11-20 19:46:25,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 19:46:25,647 INFO L225 Difference]: With dead ends: 930 [2022-11-20 19:46:25,647 INFO L226 Difference]: Without dead ends: 473 [2022-11-20 19:46:25,650 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 177 GetRequests, 170 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-11-20 19:46:25,651 INFO L413 NwaCegarLoop]: 593 mSDtfsCounter, 85 mSDsluCounter, 2753 mSDsCounter, 0 mSdLazyCounter, 440 mSolverCounterSat, 59 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 3346 SdHoareTripleChecker+Invalid, 499 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 59 IncrementalHoareTripleChecker+Valid, 440 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-11-20 19:46:25,652 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [90 Valid, 3346 Invalid, 499 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [59 Valid, 440 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-11-20 19:46:25,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 473 states. [2022-11-20 19:46:25,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 473 to 473. [2022-11-20 19:46:25,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 473 states, 241 states have (on average 1.1908713692946058) internal successors, (287), 245 states have internal predecessors, (287), 195 states have call successors, (195), 33 states have call predecessors, (195), 35 states have return successors, (236), 194 states have call predecessors, (236), 193 states have call successors, (236) [2022-11-20 19:46:25,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 473 states and 718 transitions. [2022-11-20 19:46:25,687 INFO L78 Accepts]: Start accepts. Automaton has 473 states and 718 transitions. Word has length 175 [2022-11-20 19:46:25,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 19:46:25,688 INFO L495 AbstractCegarLoop]: Abstraction has 473 states and 718 transitions. [2022-11-20 19:46:25,688 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 10.333333333333334) internal successors, (62), 6 states have internal predecessors, (62), 4 states have call successors, (32), 3 states have call predecessors, (32), 3 states have return successors, (29), 3 states have call predecessors, (29), 4 states have call successors, (29) [2022-11-20 19:46:25,688 INFO L276 IsEmpty]: Start isEmpty. Operand 473 states and 718 transitions. [2022-11-20 19:46:25,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2022-11-20 19:46:25,690 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 19:46:25,691 INFO L195 NwaCegarLoop]: trace histogram [11, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 19:46:25,703 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a753152-a038-4a35-a9dd-ae5a1c10c52c/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-11-20 19:46:25,903 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a753152-a038-4a35-a9dd-ae5a1c10c52c/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 19:46:25,903 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 19:46:25,904 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 19:46:25,904 INFO L85 PathProgramCache]: Analyzing trace with hash -1458200607, now seen corresponding path program 1 times [2022-11-20 19:46:25,904 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 19:46:25,904 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [65108063] [2022-11-20 19:46:25,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 19:46:25,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 19:46:26,000 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-20 19:46:26,001 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1331209241] [2022-11-20 19:46:26,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 19:46:26,002 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 19:46:26,002 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a753152-a038-4a35-a9dd-ae5a1c10c52c/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 19:46:26,003 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a753152-a038-4a35-a9dd-ae5a1c10c52c/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 19:46:26,031 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a753152-a038-4a35-a9dd-ae5a1c10c52c/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-11-20 19:46:26,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 19:46:26,786 INFO L263 TraceCheckSpWp]: Trace formula consists of 2926 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-20 19:46:26,793 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 19:46:26,930 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 127 proven. 0 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2022-11-20 19:46:26,930 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 19:46:26,930 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 19:46:26,931 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [65108063] [2022-11-20 19:46:26,931 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-20 19:46:26,931 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1331209241] [2022-11-20 19:46:26,931 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1331209241] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 19:46:26,931 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 19:46:26,931 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-20 19:46:26,932 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1949711647] [2022-11-20 19:46:26,932 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 19:46:26,932 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-20 19:46:26,932 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 19:46:26,933 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-20 19:46:26,933 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-11-20 19:46:26,933 INFO L87 Difference]: Start difference. First operand 473 states and 718 transitions. Second operand has 9 states, 8 states have (on average 8.5) internal successors, (68), 8 states have internal predecessors, (68), 5 states have call successors, (33), 3 states have call predecessors, (33), 4 states have return successors, (30), 4 states have call predecessors, (30), 5 states have call successors, (30) [2022-11-20 19:46:28,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 19:46:28,475 INFO L93 Difference]: Finished difference Result 915 states and 1397 transitions. [2022-11-20 19:46:28,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-20 19:46:28,476 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 8.5) internal successors, (68), 8 states have internal predecessors, (68), 5 states have call successors, (33), 3 states have call predecessors, (33), 4 states have return successors, (30), 4 states have call predecessors, (30), 5 states have call successors, (30) Word has length 174 [2022-11-20 19:46:28,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 19:46:28,480 INFO L225 Difference]: With dead ends: 915 [2022-11-20 19:46:28,480 INFO L226 Difference]: Without dead ends: 481 [2022-11-20 19:46:28,482 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 178 GetRequests, 168 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2022-11-20 19:46:28,483 INFO L413 NwaCegarLoop]: 561 mSDtfsCounter, 104 mSDsluCounter, 3628 mSDsCounter, 0 mSdLazyCounter, 920 mSolverCounterSat, 72 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 112 SdHoareTripleChecker+Valid, 4189 SdHoareTripleChecker+Invalid, 992 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 72 IncrementalHoareTripleChecker+Valid, 920 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-11-20 19:46:28,483 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [112 Valid, 4189 Invalid, 992 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [72 Valid, 920 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-11-20 19:46:28,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 481 states. [2022-11-20 19:46:28,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 481 to 479. [2022-11-20 19:46:28,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 479 states, 246 states have (on average 1.1910569105691058) internal successors, (293), 249 states have internal predecessors, (293), 196 states have call successors, (196), 33 states have call predecessors, (196), 35 states have return successors, (237), 196 states have call predecessors, (237), 194 states have call successors, (237) [2022-11-20 19:46:28,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479 states to 479 states and 726 transitions. [2022-11-20 19:46:28,511 INFO L78 Accepts]: Start accepts. Automaton has 479 states and 726 transitions. Word has length 174 [2022-11-20 19:46:28,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 19:46:28,511 INFO L495 AbstractCegarLoop]: Abstraction has 479 states and 726 transitions. [2022-11-20 19:46:28,512 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 8.5) internal successors, (68), 8 states have internal predecessors, (68), 5 states have call successors, (33), 3 states have call predecessors, (33), 4 states have return successors, (30), 4 states have call predecessors, (30), 5 states have call successors, (30) [2022-11-20 19:46:28,512 INFO L276 IsEmpty]: Start isEmpty. Operand 479 states and 726 transitions. [2022-11-20 19:46:28,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2022-11-20 19:46:28,514 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 19:46:28,514 INFO L195 NwaCegarLoop]: trace histogram [11, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 19:46:28,527 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a753152-a038-4a35-a9dd-ae5a1c10c52c/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2022-11-20 19:46:28,725 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a753152-a038-4a35-a9dd-ae5a1c10c52c/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2022-11-20 19:46:28,725 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 19:46:28,725 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 19:46:28,726 INFO L85 PathProgramCache]: Analyzing trace with hash -1086080155, now seen corresponding path program 2 times [2022-11-20 19:46:28,726 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 19:46:28,726 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [679283892] [2022-11-20 19:46:28,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 19:46:28,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 19:46:28,819 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-20 19:46:28,819 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [61359906] [2022-11-20 19:46:28,819 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-20 19:46:28,820 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 19:46:28,820 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a753152-a038-4a35-a9dd-ae5a1c10c52c/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 19:46:28,821 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a753152-a038-4a35-a9dd-ae5a1c10c52c/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 19:46:28,853 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a753152-a038-4a35-a9dd-ae5a1c10c52c/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-11-20 19:46:29,546 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2022-11-20 19:46:29,547 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-20 19:46:29,556 INFO L263 TraceCheckSpWp]: Trace formula consists of 2013 conjuncts, 21 conjunts are in the unsatisfiable core [2022-11-20 19:46:29,563 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 19:46:29,682 INFO L134 CoverageAnalysis]: Checked inductivity of 251 backedges. 30 proven. 2 refuted. 0 times theorem prover too weak. 219 trivial. 0 not checked. [2022-11-20 19:46:29,682 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 19:46:30,073 INFO L134 CoverageAnalysis]: Checked inductivity of 251 backedges. 30 proven. 3 refuted. 0 times theorem prover too weak. 218 trivial. 0 not checked. [2022-11-20 19:46:30,073 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 19:46:30,073 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [679283892] [2022-11-20 19:46:30,074 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-20 19:46:30,074 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [61359906] [2022-11-20 19:46:30,074 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [61359906] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 19:46:30,074 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1804498800] [2022-11-20 19:46:30,109 INFO L159 IcfgInterpreter]: Started Sifa with 90 locations of interest [2022-11-20 19:46:30,109 INFO L166 IcfgInterpreter]: Building call graph [2022-11-20 19:46:30,114 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-20 19:46:30,119 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-20 19:46:30,119 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-20 19:46:33,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:46:33,922 INFO L217 Elim1Store]: Index analysis took 494 ms [2022-11-20 19:46:52,006 WARN L233 SmtUtils]: Spent 18.00s on a formula simplification. DAG size of input: 1758 DAG size of output: 1169 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-20 19:46:52,013 INFO L321 Elim1Store]: treesize reduction 1958, result has 47.2 percent of original size [2022-11-20 19:46:52,018 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 196 select indices, 196 select index equivalence classes, 19112 disjoint index pairs (out of 19110 index pairs), introduced 196 new quantified variables, introduced 195 case distinctions, treesize of input 987 treesize of output 2346 [2022-11-20 19:46:55,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:46:56,311 INFO L217 Elim1Store]: Index analysis took 972 ms [2022-11-20 19:47:24,044 WARN L233 SmtUtils]: Spent 27.67s on a formula simplification. DAG size of input: 2150 DAG size of output: 1173 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-20 19:47:24,047 INFO L321 Elim1Store]: treesize reduction 3510, result has 33.3 percent of original size [2022-11-20 19:47:24,050 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 198 select indices, 198 select index equivalence classes, 19308 disjoint index pairs (out of 19503 index pairs), introduced 198 new quantified variables, introduced 390 case distinctions, treesize of input 997 treesize of output 2365 [2022-11-20 19:48:54,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:48:54,425 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 [2022-11-20 19:48:54,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:48:54,432 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 [2022-11-20 19:48:54,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:48:54,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:48:54,444 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 [2022-11-20 19:48:54,453 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 [2022-11-20 19:48:58,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:48:58,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:48:58,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:48:58,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:48:58,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:48:58,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:48:58,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:48:58,680 INFO L217 Elim1Store]: Index analysis took 154 ms [2022-11-20 19:48:58,723 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 193 select indices, 193 select index equivalence classes, 16855 disjoint index pairs (out of 18528 index pairs), introduced 193 new quantified variables, introduced 0 case distinctions, treesize of input 1736 treesize of output 580 [2022-11-20 19:48:59,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:48:59,295 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 198 select indices, 198 select index equivalence classes, 19503 disjoint index pairs (out of 19503 index pairs), introduced 198 new quantified variables, introduced 0 case distinctions, treesize of input 991 treesize of output 595 [2022-11-20 19:48:59,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:48:59,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:48:59,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:48:59,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:48:59,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:48:59,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:48:59,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:48:59,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:48:59,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:48:59,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:48:59,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:48:59,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:48:59,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:48:59,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:48:59,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:48:59,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:48:59,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:48:59,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:48:59,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:48:59,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:48:59,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:48:59,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:48:59,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:48:59,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:48:59,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:48:59,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:48:59,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:48:59,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:48:59,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:48:59,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:48:59,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:48:59,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:48:59,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:48:59,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:48:59,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:48:59,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:48:59,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:48:59,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:48:59,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:48:59,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:48:59,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:48:59,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:48:59,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:48:59,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:48:59,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:48:59,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:48:59,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:48:59,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:48:59,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:48:59,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:48:59,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:48:59,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:48:59,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:48:59,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:48:59,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:48:59,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:48:59,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:48:59,795 INFO L217 Elim1Store]: Index analysis took 104 ms [2022-11-20 19:48:59,801 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 57 select indices, 57 select index equivalence classes, 1055 disjoint index pairs (out of 1596 index pairs), introduced 57 new quantified variables, introduced 0 case distinctions, treesize of input 588 treesize of output 260 [2022-11-20 19:49:00,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:49:00,311 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 197 select indices, 197 select index equivalence classes, 19307 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 [2022-11-20 19:49:00,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:49:00,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:49:01,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:49:01,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:49:01,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:49:01,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:49:01,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:49:01,108 INFO L217 Elim1Store]: Index analysis took 116 ms [2022-11-20 19:49:01,144 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 193 select indices, 193 select index equivalence classes, 16855 disjoint index pairs (out of 18528 index pairs), introduced 193 new quantified variables, introduced 0 case distinctions, treesize of input 1736 treesize of output 580 [2022-11-20 19:49:09,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:49:09,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:49:09,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:49:09,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:49:09,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:49:09,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:49:09,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:49:09,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:49:09,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:49:09,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:49:09,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:49:09,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:49:09,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:49:09,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:49:09,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:49:09,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:49:09,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:49:09,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:49:09,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:49:09,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:49:09,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:49:09,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:49:09,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:49:09,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:49:09,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:49:09,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:49:09,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:49:09,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:49:09,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:49:09,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:49:09,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:49:09,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:49:09,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:49:09,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:49:09,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:49:09,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:49:09,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:49:09,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:49:09,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:49:09,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:49:09,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:49:09,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:49:09,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:49:09,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:49:09,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:49:09,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:49:09,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:49:09,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:49:09,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:49:09,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:49:09,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:49:09,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:49:09,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:49:09,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:49:09,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:49:09,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:49:09,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:49:09,522 INFO L217 Elim1Store]: Index analysis took 121 ms [2022-11-20 19:49:09,529 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 57 select indices, 57 select index equivalence classes, 1055 disjoint index pairs (out of 1596 index pairs), introduced 57 new quantified variables, introduced 0 case distinctions, treesize of input 588 treesize of output 260 [2022-11-20 19:49:09,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:49:09,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:49:09,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:49:09,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:49:09,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:49:10,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:49:10,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:49:10,048 INFO L217 Elim1Store]: Index analysis took 131 ms [2022-11-20 19:49:10,071 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 193 select indices, 193 select index equivalence classes, 16855 disjoint index pairs (out of 18528 index pairs), introduced 193 new quantified variables, introduced 0 case distinctions, treesize of input 1736 treesize of output 580 [2022-11-20 19:49:10,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:49:10,720 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 198 select indices, 198 select index equivalence classes, 19503 disjoint index pairs (out of 19503 index pairs), introduced 198 new quantified variables, introduced 0 case distinctions, treesize of input 991 treesize of output 595 [2022-11-20 19:49:11,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:49:11,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:49:11,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:49:11,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:49:11,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:49:11,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:49:11,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:49:11,353 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 193 select indices, 193 select index equivalence classes, 16855 disjoint index pairs (out of 18528 index pairs), introduced 193 new quantified variables, introduced 0 case distinctions, treesize of input 1736 treesize of output 580 [2022-11-20 19:49:11,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:49:11,877 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 197 select indices, 197 select index equivalence classes, 19307 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 [2022-11-20 19:49:30,353 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 30 [2022-11-20 19:49:30,407 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 24 [2022-11-20 19:49:30,576 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2022-11-20 19:49:30,924 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 30 [2022-11-20 19:49:30,976 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 24 [2022-11-20 19:49:31,145 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2022-11-20 19:49:48,097 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2022-11-20 19:49:48,206 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 30 [2022-11-20 19:49:48,261 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 24 [2022-11-20 19:49:48,575 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2022-11-20 19:49:48,690 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 30 [2022-11-20 19:49:48,754 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 24 [2022-11-20 19:49:51,637 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 2171 treesize of output 2161 [2022-11-20 19:49:52,046 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 2171 treesize of output 2161 [2022-11-20 19:49:52,414 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 2175 treesize of output 2154 [2022-11-20 19:49:53,601 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 [2022-11-20 19:50:09,435 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 [2022-11-20 19:50:09,446 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 [2022-11-20 19:50:09,481 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 [2022-11-20 19:50:09,486 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 [2022-11-20 19:50:09,525 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 [2022-11-20 19:50:09,534 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 [2022-11-20 19:50:09,541 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 [2022-11-20 19:50:09,554 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 [2022-11-20 19:50:09,590 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 [2022-11-20 19:50:09,599 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 [2022-11-20 19:50:09,632 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 19:50:09,633 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 [2022-11-20 19:50:09,701 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 19:50:09,702 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 [2022-11-20 19:50:09,721 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 [2022-11-20 19:50:09,729 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 [2022-11-20 19:50:09,778 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 [2022-11-20 19:50:09,887 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 23 [2022-11-20 19:50:09,891 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 19 [2022-11-20 19:50:09,906 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 23 [2022-11-20 19:50:09,920 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 19 [2022-11-20 19:50:12,155 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 2167 treesize of output 2139 [2022-11-20 19:50:12,470 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 2143 treesize of output 2115 [2022-11-20 19:50:12,726 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2111 treesize of output 2087 [2022-11-20 19:50:30,373 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 2167 treesize of output 2139 [2022-11-20 19:50:30,766 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2135 treesize of output 2111 [2022-11-20 19:50:30,867 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 2119 treesize of output 2091 [2022-11-20 19:51:31,669 INFO L197 IcfgInterpreter]: Interpreting procedure aws_array_list_is_bounded with input of size 2895 for LOIs [2022-11-20 19:51:48,033 INFO L197 IcfgInterpreter]: Interpreting procedure aws_priority_queue_is_valid with input of size 693 for LOIs [2022-11-20 19:51:53,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:51:53,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:51:53,931 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:51:53,961 INFO L321 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2022-11-20 19:51:53,962 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 1943 treesize of output 1903 [2022-11-20 19:51:54,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:51:54,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:51:54,188 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:51:54,216 INFO L321 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2022-11-20 19:51:54,217 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 1899 treesize of output 1859 [2022-11-20 19:51:54,410 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 1855 treesize of output 1831 [2022-11-20 19:52:00,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:52:00,131 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:52:00,160 INFO L321 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2022-11-20 19:52:00,161 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 1943 treesize of output 1903 [2022-11-20 19:52:00,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:52:00,350 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:52:00,376 INFO L321 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2022-11-20 19:52:00,377 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 1899 treesize of output 1859 [2022-11-20 19:52:00,590 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 1855 treesize of output 1831 [2022-11-20 19:52:05,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:52:05,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:52:05,820 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:52:05,848 INFO L321 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2022-11-20 19:52:05,850 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 1943 treesize of output 1903 [2022-11-20 19:52:06,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:52:06,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:52:06,038 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:52:06,064 INFO L321 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2022-11-20 19:52:06,065 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 1899 treesize of output 1859 [2022-11-20 19:52:06,255 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 1855 treesize of output 1831 [2022-11-20 19:52:08,672 INFO L197 IcfgInterpreter]: Interpreting procedure aws_array_list_is_valid with input of size 743 for LOIs [2022-11-20 19:52:14,615 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 1928 treesize of output 1928 [2022-11-20 19:52:14,736 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 1922 treesize of output 1918 [2022-11-20 19:52:24,774 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 1928 treesize of output 1928 [2022-11-20 19:52:24,914 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 1922 treesize of output 1918 [2022-11-20 19:52:33,810 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 [2022-11-20 19:52:35,754 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 1928 treesize of output 1928 [2022-11-20 19:52:35,928 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 1922 treesize of output 1918 [2022-11-20 19:52:40,738 INFO L197 IcfgInterpreter]: Interpreting procedure aws_mul_size_checked with input of size 726 for LOIs [2022-11-20 19:53:00,186 INFO L197 IcfgInterpreter]: Interpreting procedure __CPROVER_overflow_mult with input of size 715 for LOIs [2022-11-20 19:53:01,874 INFO L197 IcfgInterpreter]: Interpreting procedure ensure_array_list_has_allocated_data_member with input of size 2963 for LOIs [2022-11-20 19:54:22,632 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-20 19:54:22,647 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-20 19:54:22,676 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 [2022-11-20 19:54:22,688 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 [2022-11-20 19:54:44,174 INFO L197 IcfgInterpreter]: Interpreting procedure can_fail_allocator with input of size 45 for LOIs [2022-11-20 19:54:44,177 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 70 for LOIs [2022-11-20 19:54:44,187 INFO L197 IcfgInterpreter]: Interpreting procedure can_fail_malloc with input of size 91 for LOIs [2022-11-20 19:54:44,631 INFO L197 IcfgInterpreter]: Interpreting procedure nondet_bool with input of size 43 for LOIs [2022-11-20 19:54:44,636 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-20 19:57:42,356 WARN L233 SmtUtils]: Spent 2.95m on a formula simplification. DAG size of input: 2825 DAG size of output: 2437 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)