./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_priority_queue_init_static_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4e7fbc69 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_95ccc5cf-7a95-4023-98d6-99dbe0366655/bin/utaipan-Q6hlc19bkW/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95ccc5cf-7a95-4023-98d6-99dbe0366655/bin/utaipan-Q6hlc19bkW/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95ccc5cf-7a95-4023-98d6-99dbe0366655/bin/utaipan-Q6hlc19bkW/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95ccc5cf-7a95-4023-98d6-99dbe0366655/bin/utaipan-Q6hlc19bkW/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_priority_queue_init_static_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95ccc5cf-7a95-4023-98d6-99dbe0366655/bin/utaipan-Q6hlc19bkW/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95ccc5cf-7a95-4023-98d6-99dbe0366655/bin/utaipan-Q6hlc19bkW --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 23ef598a219073b4e1ea2c3302ab5b9fcd0bd41db1d8d7141c8967f07530c02d --- 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-4e7fbc6 [2022-11-23 16:02:44,893 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 16:02:44,895 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 16:02:44,938 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 16:02:44,938 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 16:02:44,942 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 16:02:44,945 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 16:02:44,948 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 16:02:44,950 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 16:02:44,956 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 16:02:44,958 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 16:02:44,960 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 16:02:44,961 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 16:02:44,964 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 16:02:44,966 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 16:02:44,970 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 16:02:44,971 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 16:02:44,973 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 16:02:44,975 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 16:02:44,982 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 16:02:44,983 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 16:02:44,994 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 16:02:44,995 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 16:02:44,996 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 16:02:45,006 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 16:02:45,007 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 16:02:45,007 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 16:02:45,009 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 16:02:45,009 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 16:02:45,010 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 16:02:45,011 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 16:02:45,011 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 16:02:45,014 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 16:02:45,015 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 16:02:45,016 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 16:02:45,016 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 16:02:45,017 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 16:02:45,017 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 16:02:45,017 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 16:02:45,019 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 16:02:45,019 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 16:02:45,029 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95ccc5cf-7a95-4023-98d6-99dbe0366655/bin/utaipan-Q6hlc19bkW/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-23 16:02:45,069 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 16:02:45,070 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 16:02:45,070 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 16:02:45,071 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 16:02:45,071 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 16:02:45,072 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 16:02:45,072 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-23 16:02:45,072 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-23 16:02:45,072 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-23 16:02:45,072 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-23 16:02:45,073 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-23 16:02:45,074 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-23 16:02:45,074 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-23 16:02:45,074 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-23 16:02:45,074 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-23 16:02:45,074 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-23 16:02:45,074 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-23 16:02:45,075 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-23 16:02:45,075 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 16:02:45,076 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 16:02:45,076 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 16:02:45,076 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 16:02:45,076 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 16:02:45,076 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 16:02:45,076 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 16:02:45,077 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 16:02:45,077 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 16:02:45,078 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 16:02:45,078 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 16:02:45,078 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 16:02:45,078 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 16:02:45,078 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-23 16:02:45,079 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 16:02:45,079 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 16:02:45,079 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-23 16:02:45,079 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-23 16:02:45,079 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 16:02:45,079 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-23 16:02:45,080 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_95ccc5cf-7a95-4023-98d6-99dbe0366655/bin/utaipan-Q6hlc19bkW/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95ccc5cf-7a95-4023-98d6-99dbe0366655/bin/utaipan-Q6hlc19bkW Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 23ef598a219073b4e1ea2c3302ab5b9fcd0bd41db1d8d7141c8967f07530c02d [2022-11-23 16:02:45,400 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 16:02:45,459 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 16:02:45,462 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 16:02:45,464 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 16:02:45,464 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 16:02:45,466 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95ccc5cf-7a95-4023-98d6-99dbe0366655/bin/utaipan-Q6hlc19bkW/../../sv-benchmarks/c/aws-c-common/aws_priority_queue_init_static_harness.i [2022-11-23 16:02:48,691 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 16:02:49,247 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 16:02:49,248 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95ccc5cf-7a95-4023-98d6-99dbe0366655/sv-benchmarks/c/aws-c-common/aws_priority_queue_init_static_harness.i [2022-11-23 16:02:49,292 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95ccc5cf-7a95-4023-98d6-99dbe0366655/bin/utaipan-Q6hlc19bkW/data/0dbb8540c/ec8232eee3374095a9a739900ee39c16/FLAG79aa80853 [2022-11-23 16:02:49,312 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95ccc5cf-7a95-4023-98d6-99dbe0366655/bin/utaipan-Q6hlc19bkW/data/0dbb8540c/ec8232eee3374095a9a739900ee39c16 [2022-11-23 16:02:49,315 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 16:02:49,316 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 16:02:49,319 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 16:02:49,319 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 16:02:49,323 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 16:02:49,324 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:02:49" (1/1) ... [2022-11-23 16:02:49,326 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33f7e245 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:02:49, skipping insertion in model container [2022-11-23 16:02:49,326 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:02:49" (1/1) ... [2022-11-23 16:02:49,333 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 16:02:49,490 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 16:02:49,722 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_95ccc5cf-7a95-4023-98d6-99dbe0366655/sv-benchmarks/c/aws-c-common/aws_priority_queue_init_static_harness.i[4504,4517] [2022-11-23 16:02:49,732 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_95ccc5cf-7a95-4023-98d6-99dbe0366655/sv-benchmarks/c/aws-c-common/aws_priority_queue_init_static_harness.i[4564,4577] [2022-11-23 16:02:50,715 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-23 16:02:50,809 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 16:02:50,810 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 16:02:50,811 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 16:02:50,812 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 16:02:50,813 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 16:02:50,826 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 16:02:50,827 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 16:02:50,828 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 16:02:50,829 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 16:02:51,295 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-23 16:02:51,297 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-23 16:02:51,298 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-23 16:02:51,299 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-23 16:02:51,301 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-23 16:02:51,302 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-23 16:02:51,302 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-23 16:02:51,303 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-23 16:02:51,304 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-23 16:02:51,305 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-23 16:02:51,495 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 16:02:51,502 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 16:02:51,588 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 16:02:51,637 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 16:02:51,664 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_95ccc5cf-7a95-4023-98d6-99dbe0366655/sv-benchmarks/c/aws-c-common/aws_priority_queue_init_static_harness.i[4504,4517] [2022-11-23 16:02:51,668 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_95ccc5cf-7a95-4023-98d6-99dbe0366655/sv-benchmarks/c/aws-c-common/aws_priority_queue_init_static_harness.i[4564,4577] [2022-11-23 16:02:51,729 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-23 16:02:51,743 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 16:02:51,744 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 16:02:51,744 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 16:02:51,745 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 16:02:51,745 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 16:02:51,752 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 16:02:51,752 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 16:02:51,754 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 16:02:51,754 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 16:02:51,787 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-23 16:02:51,788 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-23 16:02:51,789 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-23 16:02:51,789 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-23 16:02:51,791 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-23 16:02:51,791 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-23 16:02:51,792 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-23 16:02:51,792 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-23 16:02:51,793 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-23 16:02:51,793 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-23 16:02:51,821 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 16:02:51,821 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 16:02:51,843 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 16:02:52,104 INFO L208 MainTranslator]: Completed translation [2022-11-23 16:02:52,105 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:02:52 WrapperNode [2022-11-23 16:02:52,106 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 16:02:52,107 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 16:02:52,107 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 16:02:52,107 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 16:02:52,115 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:02:52" (1/1) ... [2022-11-23 16:02:52,201 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:02:52" (1/1) ... [2022-11-23 16:02:52,289 INFO L138 Inliner]: procedures = 689, calls = 1508, calls flagged for inlining = 54, calls inlined = 9, statements flattened = 652 [2022-11-23 16:02:52,290 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 16:02:52,291 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 16:02:52,291 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 16:02:52,291 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 16:02:52,301 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:02:52" (1/1) ... [2022-11-23 16:02:52,301 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:02:52" (1/1) ... [2022-11-23 16:02:52,314 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:02:52" (1/1) ... [2022-11-23 16:02:52,315 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:02:52" (1/1) ... [2022-11-23 16:02:52,362 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:02:52" (1/1) ... [2022-11-23 16:02:52,383 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:02:52" (1/1) ... [2022-11-23 16:02:52,390 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:02:52" (1/1) ... [2022-11-23 16:02:52,403 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:02:52" (1/1) ... [2022-11-23 16:02:52,412 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 16:02:52,418 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 16:02:52,418 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 16:02:52,418 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 16:02:52,419 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:02:52" (1/1) ... [2022-11-23 16:02:52,426 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 16:02:52,438 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95ccc5cf-7a95-4023-98d6-99dbe0366655/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 16:02:52,453 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95ccc5cf-7a95-4023-98d6-99dbe0366655/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 16:02:52,487 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95ccc5cf-7a95-4023-98d6-99dbe0366655/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 16:02:52,551 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_mem_zeroed [2022-11-23 16:02:52,551 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_mem_zeroed [2022-11-23 16:02:52,551 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-23 16:02:52,552 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2022-11-23 16:02:52,552 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2022-11-23 16:02:52,553 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-23 16:02:52,553 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2022-11-23 16:02:52,554 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2022-11-23 16:02:52,554 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-11-23 16:02:52,554 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-11-23 16:02:52,554 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-23 16:02:52,555 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-23 16:02:52,555 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-23 16:02:52,555 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 16:02:52,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 16:02:52,556 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2022-11-23 16:02:52,556 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2022-11-23 16:02:52,556 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2022-11-23 16:02:52,556 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2022-11-23 16:02:52,557 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_is_valid [2022-11-23 16:02:52,557 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_is_valid [2022-11-23 16:02:52,557 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-23 16:02:52,557 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-23 16:02:52,557 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-23 16:02:52,557 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-23 16:02:52,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-23 16:02:52,563 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2022-11-23 16:02:52,563 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2022-11-23 16:02:52,563 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2022-11-23 16:02:52,564 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2022-11-23 16:02:52,564 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-23 16:02:52,564 INFO L130 BoogieDeclarations]: Found specification of procedure memset_impl [2022-11-23 16:02:52,564 INFO L138 BoogieDeclarations]: Found implementation of procedure memset_impl [2022-11-23 16:02:52,565 INFO L130 BoogieDeclarations]: Found specification of procedure my_memset [2022-11-23 16:02:52,565 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memset [2022-11-23 16:02:52,565 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-23 16:02:52,932 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 16:02:52,935 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 16:02:53,995 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 16:02:54,220 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 16:02:54,221 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-11-23 16:02:54,224 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:02:54 BoogieIcfgContainer [2022-11-23 16:02:54,224 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 16:02:54,228 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 16:02:54,229 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 16:02:54,232 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 16:02:54,233 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 04:02:49" (1/3) ... [2022-11-23 16:02:54,235 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c2994fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 04:02:54, skipping insertion in model container [2022-11-23 16:02:54,236 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:02:52" (2/3) ... [2022-11-23 16:02:54,237 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c2994fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 04:02:54, skipping insertion in model container [2022-11-23 16:02:54,237 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:02:54" (3/3) ... [2022-11-23 16:02:54,239 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_priority_queue_init_static_harness.i [2022-11-23 16:02:54,261 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 16:02:54,261 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-23 16:02:54,334 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-23 16:02:54,346 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;@21928e9d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 16:02:54,346 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-23 16:02:54,350 INFO L276 IsEmpty]: Start isEmpty. Operand has 114 states, 62 states have (on average 1.2096774193548387) internal successors, (75), 62 states have internal predecessors, (75), 39 states have call successors, (39), 12 states have call predecessors, (39), 12 states have return successors, (39), 39 states have call predecessors, (39), 39 states have call successors, (39) [2022-11-23 16:02:54,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-11-23 16:02:54,363 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 16:02:54,364 INFO L195 NwaCegarLoop]: trace histogram [13, 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] [2022-11-23 16:02:54,364 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 16:02:54,372 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 16:02:54,373 INFO L85 PathProgramCache]: Analyzing trace with hash 1005210511, now seen corresponding path program 1 times [2022-11-23 16:02:54,385 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 16:02:54,387 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [408901882] [2022-11-23 16:02:54,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 16:02:54,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 16:02:54,757 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-23 16:02:54,758 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1002221310] [2022-11-23 16:02:54,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 16:02:54,758 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 16:02:54,758 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95ccc5cf-7a95-4023-98d6-99dbe0366655/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 16:02:54,774 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95ccc5cf-7a95-4023-98d6-99dbe0366655/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 16:02:54,776 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95ccc5cf-7a95-4023-98d6-99dbe0366655/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-23 16:02:55,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 16:02:55,378 INFO L263 TraceCheckSpWp]: Trace formula consists of 2238 conjuncts, 1 conjunts are in the unsatisfiable core [2022-11-23 16:02:55,386 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 16:02:55,436 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2022-11-23 16:02:55,436 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 16:02:55,437 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 16:02:55,437 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [408901882] [2022-11-23 16:02:55,437 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-23 16:02:55,437 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1002221310] [2022-11-23 16:02:55,438 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1002221310] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 16:02:55,438 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 16:02:55,439 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-23 16:02:55,441 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2126936292] [2022-11-23 16:02:55,442 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 16:02:55,447 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-23 16:02:55,447 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 16:02:55,476 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-23 16:02:55,477 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-23 16:02:55,480 INFO L87 Difference]: Start difference. First operand has 114 states, 62 states have (on average 1.2096774193548387) internal successors, (75), 62 states have internal predecessors, (75), 39 states have call successors, (39), 12 states have call predecessors, (39), 12 states have return successors, (39), 39 states have call predecessors, (39), 39 states have call successors, (39) Second operand has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-11-23 16:02:55,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 16:02:55,636 INFO L93 Difference]: Finished difference Result 210 states and 288 transitions. [2022-11-23 16:02:55,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-23 16:02:55,638 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 78 [2022-11-23 16:02:55,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 16:02:55,648 INFO L225 Difference]: With dead ends: 210 [2022-11-23 16:02:55,648 INFO L226 Difference]: Without dead ends: 111 [2022-11-23 16:02:55,652 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-23 16:02:55,655 INFO L413 NwaCegarLoop]: 132 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 132 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-23 16:02:55,656 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 132 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-23 16:02:55,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2022-11-23 16:02:55,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2022-11-23 16:02:55,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111 states, 59 states have (on average 1.1694915254237288) internal successors, (69), 60 states have internal predecessors, (69), 39 states have call successors, (39), 12 states have call predecessors, (39), 12 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2022-11-23 16:02:55,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 146 transitions. [2022-11-23 16:02:55,708 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 146 transitions. Word has length 78 [2022-11-23 16:02:55,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 16:02:55,728 INFO L495 AbstractCegarLoop]: Abstraction has 111 states and 146 transitions. [2022-11-23 16:02:55,728 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-11-23 16:02:55,728 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 146 transitions. [2022-11-23 16:02:55,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-11-23 16:02:55,731 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 16:02:55,731 INFO L195 NwaCegarLoop]: trace histogram [14, 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] [2022-11-23 16:02:55,744 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95ccc5cf-7a95-4023-98d6-99dbe0366655/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-23 16:02:55,932 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95ccc5cf-7a95-4023-98d6-99dbe0366655/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 16:02:55,932 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 16:02:55,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 16:02:55,933 INFO L85 PathProgramCache]: Analyzing trace with hash -2022726481, now seen corresponding path program 1 times [2022-11-23 16:02:55,933 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 16:02:55,933 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [205622474] [2022-11-23 16:02:55,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 16:02:55,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 16:02:56,082 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-23 16:02:56,086 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [763425657] [2022-11-23 16:02:56,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 16:02:56,087 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 16:02:56,087 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95ccc5cf-7a95-4023-98d6-99dbe0366655/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 16:02:56,092 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95ccc5cf-7a95-4023-98d6-99dbe0366655/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 16:02:56,115 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95ccc5cf-7a95-4023-98d6-99dbe0366655/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-23 16:02:56,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 16:02:56,656 INFO L263 TraceCheckSpWp]: Trace formula consists of 2312 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-23 16:02:56,661 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 16:02:56,845 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 189 trivial. 0 not checked. [2022-11-23 16:02:56,845 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 16:02:56,845 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 16:02:56,847 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [205622474] [2022-11-23 16:02:56,847 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-23 16:02:56,847 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [763425657] [2022-11-23 16:02:56,848 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [763425657] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 16:02:56,848 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 16:02:56,848 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-23 16:02:56,848 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [764795152] [2022-11-23 16:02:56,848 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 16:02:56,850 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-23 16:02:56,850 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 16:02:56,851 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-23 16:02:56,851 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-23 16:02:56,851 INFO L87 Difference]: Start difference. First operand 111 states and 146 transitions. Second operand has 7 states, 7 states have (on average 4.142857142857143) internal successors, (29), 7 states have internal predecessors, (29), 5 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (21), 5 states have call predecessors, (21), 4 states have call successors, (21) [2022-11-23 16:02:58,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 16:02:58,181 INFO L93 Difference]: Finished difference Result 182 states and 235 transitions. [2022-11-23 16:02:58,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-23 16:02:58,182 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 4.142857142857143) internal successors, (29), 7 states have internal predecessors, (29), 5 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (21), 5 states have call predecessors, (21), 4 states have call successors, (21) Word has length 91 [2022-11-23 16:02:58,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 16:02:58,185 INFO L225 Difference]: With dead ends: 182 [2022-11-23 16:02:58,185 INFO L226 Difference]: Without dead ends: 113 [2022-11-23 16:02:58,186 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2022-11-23 16:02:58,187 INFO L413 NwaCegarLoop]: 114 mSDtfsCounter, 47 mSDsluCounter, 439 mSDsCounter, 0 mSdLazyCounter, 191 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 553 SdHoareTripleChecker+Invalid, 247 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 191 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-11-23 16:02:58,188 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 553 Invalid, 247 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 191 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-11-23 16:02:58,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2022-11-23 16:02:58,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 113. [2022-11-23 16:02:58,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113 states, 60 states have (on average 1.1666666666666667) internal successors, (70), 62 states have internal predecessors, (70), 39 states have call successors, (39), 12 states have call predecessors, (39), 13 states have return successors, (40), 38 states have call predecessors, (40), 38 states have call successors, (40) [2022-11-23 16:02:58,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 149 transitions. [2022-11-23 16:02:58,217 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 149 transitions. Word has length 91 [2022-11-23 16:02:58,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 16:02:58,219 INFO L495 AbstractCegarLoop]: Abstraction has 113 states and 149 transitions. [2022-11-23 16:02:58,219 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.142857142857143) internal successors, (29), 7 states have internal predecessors, (29), 5 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (21), 5 states have call predecessors, (21), 4 states have call successors, (21) [2022-11-23 16:02:58,219 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 149 transitions. [2022-11-23 16:02:58,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2022-11-23 16:02:58,228 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 16:02:58,228 INFO L195 NwaCegarLoop]: trace histogram [14, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 16:02:58,240 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95ccc5cf-7a95-4023-98d6-99dbe0366655/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-23 16:02:58,440 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95ccc5cf-7a95-4023-98d6-99dbe0366655/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 16:02:58,440 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 16:02:58,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 16:02:58,441 INFO L85 PathProgramCache]: Analyzing trace with hash -1323301135, now seen corresponding path program 1 times [2022-11-23 16:02:58,441 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 16:02:58,441 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1190027739] [2022-11-23 16:02:58,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 16:02:58,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 16:02:58,540 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-23 16:02:58,540 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1090276777] [2022-11-23 16:02:58,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 16:02:58,540 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 16:02:58,541 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95ccc5cf-7a95-4023-98d6-99dbe0366655/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 16:02:58,542 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95ccc5cf-7a95-4023-98d6-99dbe0366655/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 16:02:58,565 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95ccc5cf-7a95-4023-98d6-99dbe0366655/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-23 16:02:59,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 16:02:59,125 INFO L263 TraceCheckSpWp]: Trace formula consists of 2444 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-23 16:02:59,129 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 16:02:59,183 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 104 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2022-11-23 16:02:59,183 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 16:02:59,184 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 16:02:59,184 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1190027739] [2022-11-23 16:02:59,184 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-23 16:02:59,184 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1090276777] [2022-11-23 16:02:59,185 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1090276777] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 16:02:59,185 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 16:02:59,185 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-23 16:02:59,185 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1681693015] [2022-11-23 16:02:59,186 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 16:02:59,186 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-23 16:02:59,186 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 16:02:59,187 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-23 16:02:59,187 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-23 16:02:59,187 INFO L87 Difference]: Start difference. First operand 113 states and 149 transitions. Second operand has 6 states, 5 states have (on average 7.0) internal successors, (35), 6 states have internal predecessors, (35), 4 states have call successors, (24), 2 states have call predecessors, (24), 4 states have return successors, (23), 4 states have call predecessors, (23), 4 states have call successors, (23) [2022-11-23 16:03:00,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 16:03:00,182 INFO L93 Difference]: Finished difference Result 201 states and 261 transitions. [2022-11-23 16:03:00,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-23 16:03:00,182 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 7.0) internal successors, (35), 6 states have internal predecessors, (35), 4 states have call successors, (24), 2 states have call predecessors, (24), 4 states have return successors, (23), 4 states have call predecessors, (23), 4 states have call successors, (23) Word has length 100 [2022-11-23 16:03:00,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 16:03:00,184 INFO L225 Difference]: With dead ends: 201 [2022-11-23 16:03:00,185 INFO L226 Difference]: Without dead ends: 113 [2022-11-23 16:03:00,186 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-23 16:03:00,187 INFO L413 NwaCegarLoop]: 125 mSDtfsCounter, 8 mSDsluCounter, 484 mSDsCounter, 0 mSdLazyCounter, 110 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 609 SdHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 110 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-11-23 16:03:00,188 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 609 Invalid, 110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 110 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-11-23 16:03:00,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2022-11-23 16:03:00,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 113. [2022-11-23 16:03:00,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113 states, 60 states have (on average 1.15) internal successors, (69), 62 states have internal predecessors, (69), 39 states have call successors, (39), 12 states have call predecessors, (39), 13 states have return successors, (40), 38 states have call predecessors, (40), 38 states have call successors, (40) [2022-11-23 16:03:00,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 148 transitions. [2022-11-23 16:03:00,202 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 148 transitions. Word has length 100 [2022-11-23 16:03:00,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 16:03:00,203 INFO L495 AbstractCegarLoop]: Abstraction has 113 states and 148 transitions. [2022-11-23 16:03:00,203 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 7.0) internal successors, (35), 6 states have internal predecessors, (35), 4 states have call successors, (24), 2 states have call predecessors, (24), 4 states have return successors, (23), 4 states have call predecessors, (23), 4 states have call successors, (23) [2022-11-23 16:03:00,203 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 148 transitions. [2022-11-23 16:03:00,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2022-11-23 16:03:00,205 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 16:03:00,205 INFO L195 NwaCegarLoop]: trace histogram [14, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 16:03:00,220 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95ccc5cf-7a95-4023-98d6-99dbe0366655/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-23 16:03:00,415 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95ccc5cf-7a95-4023-98d6-99dbe0366655/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 16:03:00,415 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 16:03:00,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 16:03:00,416 INFO L85 PathProgramCache]: Analyzing trace with hash 2097300372, now seen corresponding path program 1 times [2022-11-23 16:03:00,416 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 16:03:00,416 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [217068431] [2022-11-23 16:03:00,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 16:03:00,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 16:03:00,518 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-23 16:03:00,518 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [649394152] [2022-11-23 16:03:00,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 16:03:00,518 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 16:03:00,519 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95ccc5cf-7a95-4023-98d6-99dbe0366655/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 16:03:00,520 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95ccc5cf-7a95-4023-98d6-99dbe0366655/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 16:03:00,539 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95ccc5cf-7a95-4023-98d6-99dbe0366655/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-23 16:03:01,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 16:03:01,201 INFO L263 TraceCheckSpWp]: Trace formula consists of 2451 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-23 16:03:01,205 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 16:03:01,226 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 104 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2022-11-23 16:03:01,226 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 16:03:01,226 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 16:03:01,226 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [217068431] [2022-11-23 16:03:01,227 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-23 16:03:01,227 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [649394152] [2022-11-23 16:03:01,227 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [649394152] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 16:03:01,227 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 16:03:01,227 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 16:03:01,228 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [603176393] [2022-11-23 16:03:01,228 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 16:03:01,228 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 16:03:01,229 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 16:03:01,229 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 16:03:01,229 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 16:03:01,230 INFO L87 Difference]: Start difference. First operand 113 states and 148 transitions. Second operand has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-11-23 16:03:01,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 16:03:01,599 INFO L93 Difference]: Finished difference Result 202 states and 262 transitions. [2022-11-23 16:03:01,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 16:03:01,600 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 101 [2022-11-23 16:03:01,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 16:03:01,602 INFO L225 Difference]: With dead ends: 202 [2022-11-23 16:03:01,602 INFO L226 Difference]: Without dead ends: 114 [2022-11-23 16:03:01,603 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 16:03:01,604 INFO L413 NwaCegarLoop]: 128 mSDtfsCounter, 0 mSDsluCounter, 125 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 253 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-23 16:03:01,605 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 253 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-23 16:03:01,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2022-11-23 16:03:01,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 114. [2022-11-23 16:03:01,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114 states, 61 states have (on average 1.1475409836065573) internal successors, (70), 63 states have internal predecessors, (70), 39 states have call successors, (39), 12 states have call predecessors, (39), 13 states have return successors, (40), 38 states have call predecessors, (40), 38 states have call successors, (40) [2022-11-23 16:03:01,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 149 transitions. [2022-11-23 16:03:01,639 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 149 transitions. Word has length 101 [2022-11-23 16:03:01,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 16:03:01,640 INFO L495 AbstractCegarLoop]: Abstraction has 114 states and 149 transitions. [2022-11-23 16:03:01,640 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-11-23 16:03:01,641 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 149 transitions. [2022-11-23 16:03:01,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2022-11-23 16:03:01,642 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 16:03:01,642 INFO L195 NwaCegarLoop]: trace histogram [14, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 16:03:01,663 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95ccc5cf-7a95-4023-98d6-99dbe0366655/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-23 16:03:01,853 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95ccc5cf-7a95-4023-98d6-99dbe0366655/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 16:03:01,854 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 16:03:01,854 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 16:03:01,854 INFO L85 PathProgramCache]: Analyzing trace with hash -1901639355, now seen corresponding path program 1 times [2022-11-23 16:03:01,855 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 16:03:01,855 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1270890231] [2022-11-23 16:03:01,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 16:03:01,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 16:03:01,959 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-23 16:03:01,959 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1895348807] [2022-11-23 16:03:01,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 16:03:01,960 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 16:03:01,960 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95ccc5cf-7a95-4023-98d6-99dbe0366655/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 16:03:01,961 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95ccc5cf-7a95-4023-98d6-99dbe0366655/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 16:03:01,976 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95ccc5cf-7a95-4023-98d6-99dbe0366655/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-23 16:03:02,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 16:03:02,691 INFO L263 TraceCheckSpWp]: Trace formula consists of 2470 conjuncts, 14 conjunts are in the unsatisfiable core [2022-11-23 16:03:02,694 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 16:03:02,833 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 104 proven. 1 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2022-11-23 16:03:02,833 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 16:03:03,289 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 203 trivial. 0 not checked. [2022-11-23 16:03:03,290 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 16:03:03,290 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1270890231] [2022-11-23 16:03:03,290 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-23 16:03:03,291 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1895348807] [2022-11-23 16:03:03,291 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1895348807] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 16:03:03,291 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2030769864] [2022-11-23 16:03:03,313 INFO L159 IcfgInterpreter]: Started Sifa with 62 locations of interest [2022-11-23 16:03:03,314 INFO L166 IcfgInterpreter]: Building call graph [2022-11-23 16:03:03,318 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-23 16:03:03,324 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-23 16:03:03,324 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-23 16:03:07,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:03:07,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:03:07,897 INFO L217 Elim1Store]: Index analysis took 779 ms [2022-11-23 16:03:48,605 WARN L233 SmtUtils]: Spent 40.61s on a formula simplification. DAG size of input: 2546 DAG size of output: 1371 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-23 16:03:48,613 INFO L321 Elim1Store]: treesize reduction 4501, result has 34.2 percent of original size [2022-11-23 16:03:48,619 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 196 select indices, 196 select index equivalence classes, 19114 disjoint index pairs (out of 19110 index pairs), introduced 196 new quantified variables, introduced 196 case distinctions, treesize of input 990 treesize of output 2942 [2022-11-23 16:03:53,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:03:53,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:03:57,070 INFO L217 Elim1Store]: Index analysis took 4710 ms [2022-11-23 16:05:23,374 WARN L233 SmtUtils]: Spent 1.44m on a formula simplification. DAG size of input: 3135 DAG size of output: 1567 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-23 16:05:23,381 INFO L321 Elim1Store]: treesize reduction 7432, result has 25.5 percent of original size [2022-11-23 16:05:23,385 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 199 select indices, 199 select index equivalence classes, 19310 disjoint index pairs (out of 19701 index pairs), introduced 199 new quantified variables, introduced 588 case distinctions, treesize of input 1009 treesize of output 3157 [2022-11-23 16:07:22,768 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 [2022-11-23 16:07:22,773 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 [2022-11-23 16:07:22,825 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-23 16:07:22,832 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 [2022-11-23 16:07:22,845 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 [2022-11-23 16:07:22,858 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 [2022-11-23 16:07:28,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:28,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:28,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:28,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:28,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:28,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:28,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:28,677 INFO L217 Elim1Store]: Index analysis took 231 ms [2022-11-23 16:07:28,716 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 [2022-11-23 16:07:29,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:29,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:29,595 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 199 select indices, 199 select index equivalence classes, 19701 disjoint index pairs (out of 19701 index pairs), introduced 199 new quantified variables, introduced 0 case distinctions, treesize of input 996 treesize of output 598 [2022-11-23 16:07:30,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:30,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:30,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:30,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:30,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:30,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:30,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:30,783 INFO L217 Elim1Store]: Index analysis took 127 ms [2022-11-23 16:07:30,820 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 [2022-11-23 16:07:31,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:31,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:31,720 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 198 select indices, 198 select index equivalence classes, 19505 disjoint index pairs (out of 19503 index pairs), introduced 198 new quantified variables, introduced 0 case distinctions, treesize of input 991 treesize of output 595 [2022-11-23 16:07:32,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:32,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:32,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:32,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:32,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:32,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:32,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:32,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:32,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:32,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:32,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:32,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:32,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:32,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:32,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:32,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:32,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:32,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:32,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:32,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:32,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:32,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:32,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:32,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:32,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:32,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:32,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:32,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:32,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:32,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:32,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:32,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:32,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:32,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:32,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:32,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:32,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:32,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:32,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:32,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:32,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:32,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:32,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:32,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:32,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:32,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:32,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:32,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:32,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:32,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:32,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:32,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:32,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:32,253 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 53 select indices, 53 select index equivalence classes, 1045 disjoint index pairs (out of 1378 index pairs), introduced 53 new quantified variables, introduced 0 case distinctions, treesize of input 464 treesize of output 160 [2022-11-23 16:07:49,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:49,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:49,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:49,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:49,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:49,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:49,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:49,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:49,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:49,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:49,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:49,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:49,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:49,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:49,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:49,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:49,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:49,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:49,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:49,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:49,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:49,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:49,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:49,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:49,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:49,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:49,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:49,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:49,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:49,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:49,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:49,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:49,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:50,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:50,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:50,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:50,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:50,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:50,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:50,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:50,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:50,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:50,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:50,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:50,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:50,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:50,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:50,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:50,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:50,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:50,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:50,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:50,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:50,041 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 53 select indices, 53 select index equivalence classes, 1045 disjoint index pairs (out of 1378 index pairs), introduced 53 new quantified variables, introduced 0 case distinctions, treesize of input 464 treesize of output 160 [2022-11-23 16:07:50,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:50,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:50,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:50,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:50,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:50,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:50,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:50,777 INFO L217 Elim1Store]: Index analysis took 112 ms [2022-11-23 16:07:50,811 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 [2022-11-23 16:07:51,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:51,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:51,629 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 199 select indices, 199 select index equivalence classes, 19701 disjoint index pairs (out of 19701 index pairs), introduced 199 new quantified variables, introduced 0 case distinctions, treesize of input 996 treesize of output 598 [2022-11-23 16:07:52,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:52,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:52,388 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 198 select indices, 198 select index equivalence classes, 19505 disjoint index pairs (out of 19503 index pairs), introduced 198 new quantified variables, introduced 0 case distinctions, treesize of input 991 treesize of output 595 [2022-11-23 16:07:53,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:53,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:53,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:53,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:53,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:53,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:53,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:07:53,327 INFO L217 Elim1Store]: Index analysis took 102 ms [2022-11-23 16:07:53,356 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 [2022-11-23 16:08:05,964 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 [2022-11-23 16:08:05,970 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-23 16:08:07,512 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 [2022-11-23 16:08:07,597 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 [2022-11-23 16:08:09,991 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 [2022-11-23 16:08:10,102 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 [2022-11-23 16:08:48,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:08:48,983 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 198 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 38 [2022-11-23 16:08:49,161 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 [2022-11-23 16:08:49,443 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 [2022-11-23 16:08:49,552 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 [2022-11-23 16:08:51,904 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 41 [2022-11-23 16:08:51,914 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 1 [2022-11-23 16:08:51,925 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 1 [2022-11-23 16:08:51,951 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 1 [2022-11-23 16:08:52,025 INFO L321 Elim1Store]: treesize reduction 127, result has 18.1 percent of original size [2022-11-23 16:08:52,026 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 205 treesize of output 204 [2022-11-23 16:08:52,049 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 1 [2022-11-23 16:08:52,060 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 1 [2022-11-23 16:08:52,071 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 1 [2022-11-23 16:08:52,099 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 1 [2022-11-23 16:08:52,105 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 1 [2022-11-23 16:08:52,111 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 1 [2022-11-23 16:08:52,116 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 41 [2022-11-23 16:08:53,573 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-11-23 16:08:53,900 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 197 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 31 [2022-11-23 16:08:54,182 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-11-23 16:08:57,786 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-11-23 16:08:57,957 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-11-23 16:08:58,138 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 197 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 31 [2022-11-23 16:09:27,081 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 [2022-11-23 16:09:27,345 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 [2022-11-23 16:09:27,565 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 [2022-11-23 16:09:27,827 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 [2022-11-23 16:09:30,510 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 [2022-11-23 16:09:30,645 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-11-23 16:09:30,798 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 9 treesize of output 7 [2022-11-23 16:09:31,232 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-11-23 16:09:34,055 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-11-23 16:09:34,542 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-11-23 16:09:34,674 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 [2022-11-23 16:09:34,854 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 9 treesize of output 7 [2022-11-23 16:09:47,261 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 28 [2022-11-23 16:09:47,499 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-11-23 16:09:47,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:09:47,687 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 33 [2022-11-23 16:09:47,936 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 28 [2022-11-23 16:09:49,770 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 [2022-11-23 16:09:49,778 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 [2022-11-23 16:09:49,818 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 [2022-11-23 16:09:49,827 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 [2022-11-23 16:09:49,855 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-23 16:09:49,855 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 [2022-11-23 16:09:49,891 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 [2022-11-23 16:09:49,897 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 [2022-11-23 16:09:49,924 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-23 16:09:49,924 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 [2022-11-23 16:09:50,072 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 [2022-11-23 16:09:51,998 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 30 treesize of output 12 [2022-11-23 16:09:52,213 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 9 treesize of output 3 [2022-11-23 16:09:52,722 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 [2022-11-23 16:09:52,822 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 [2022-11-23 16:09:54,366 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 9 treesize of output 3 [2022-11-23 16:09:57,726 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 9 treesize of output 3 [2022-11-23 16:09:57,829 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 9 treesize of output 3 [2022-11-23 16:09:57,994 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 30 treesize of output 12 [2022-11-23 16:09:59,395 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 [2022-11-23 16:09:59,491 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 [2022-11-23 16:11:00,227 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 43 for LOIs [2022-11-23 16:11:00,238 INFO L197 IcfgInterpreter]: Interpreting procedure aws_array_list_is_valid with input of size 755 for LOIs [2022-11-23 16:11:02,090 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-23 16:11:02,090 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 14 [2022-11-23 16:11:02,119 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-11-23 16:11:02,120 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-11-23 16:11:03,322 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-23 16:11:03,323 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 14 [2022-11-23 16:11:03,352 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-11-23 16:11:03,352 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-11-23 16:11:04,696 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 [2022-11-23 16:11:05,269 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-23 16:11:05,270 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 14 [2022-11-23 16:11:05,299 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-11-23 16:11:05,299 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-11-23 16:11:06,712 INFO L197 IcfgInterpreter]: Interpreting procedure aws_mul_size_checked with input of size 49 for LOIs [2022-11-23 16:11:06,827 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 [2022-11-23 16:11:06,837 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 [2022-11-23 16:11:06,849 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 [2022-11-23 16:11:06,864 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-23 16:11:06,905 INFO L197 IcfgInterpreter]: Interpreting procedure __CPROVER_overflow_mult with input of size 49 for LOIs [2022-11-23 16:11:06,920 INFO L197 IcfgInterpreter]: Interpreting procedure my_memset with input of size 1134 for LOIs [2022-11-23 16:11:18,122 INFO L197 IcfgInterpreter]: Interpreting procedure memset_impl with input of size 1130 for LOIs [2022-11-23 16:11:44,632 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 57 treesize of output 1 [2022-11-23 16:11:44,642 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 1 [2022-11-23 16:11:44,655 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 1 [2022-11-23 16:11:44,666 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 41 [2022-11-23 16:11:48,079 INFO L197 IcfgInterpreter]: Interpreting procedure bounded_malloc with input of size 683 for LOIs [2022-11-23 16:11:52,215 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 711 for LOIs [2022-11-23 16:11:53,035 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-23 16:15:35,244 WARN L233 SmtUtils]: Spent 3.69m on a formula simplification. DAG size of input: 3210 DAG size of output: 2428 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)