./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_priority_queue_capacity_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39ea990f-6edc-46cd-959c-1dded0c66c8f/bin/utaipan-eEHZpOm5b7/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39ea990f-6edc-46cd-959c-1dded0c66c8f/bin/utaipan-eEHZpOm5b7/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39ea990f-6edc-46cd-959c-1dded0c66c8f/bin/utaipan-eEHZpOm5b7/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39ea990f-6edc-46cd-959c-1dded0c66c8f/bin/utaipan-eEHZpOm5b7/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_priority_queue_capacity_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39ea990f-6edc-46cd-959c-1dded0c66c8f/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39ea990f-6edc-46cd-959c-1dded0c66c8f/bin/utaipan-eEHZpOm5b7 --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 b8e2b19500a9ff32f182f41fca1db48d6268985503aaacd0cb9efdaafa7d6419 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 19:10:16,038 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 19:10:16,040 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 19:10:16,082 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 19:10:16,082 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 19:10:16,084 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 19:10:16,086 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 19:10:16,088 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 19:10:16,091 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 19:10:16,092 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 19:10:16,093 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 19:10:16,094 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 19:10:16,095 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 19:10:16,096 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 19:10:16,098 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 19:10:16,099 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 19:10:16,100 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 19:10:16,101 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 19:10:16,103 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 19:10:16,106 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 19:10:16,108 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 19:10:16,113 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 19:10:16,115 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 19:10:16,117 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 19:10:16,121 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 19:10:16,127 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 19:10:16,128 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 19:10:16,129 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 19:10:16,129 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 19:10:16,130 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 19:10:16,132 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 19:10:16,133 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 19:10:16,134 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 19:10:16,136 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 19:10:16,137 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 19:10:16,138 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 19:10:16,139 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 19:10:16,140 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 19:10:16,140 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 19:10:16,141 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 19:10:16,142 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 19:10:16,142 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39ea990f-6edc-46cd-959c-1dded0c66c8f/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-25 19:10:16,192 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 19:10:16,192 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 19:10:16,193 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-25 19:10:16,193 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-25 19:10:16,200 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 19:10:16,201 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-25 19:10:16,201 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-25 19:10:16,201 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-25 19:10:16,201 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-25 19:10:16,202 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-25 19:10:16,203 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-25 19:10:16,203 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-25 19:10:16,203 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-25 19:10:16,203 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-25 19:10:16,204 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-25 19:10:16,204 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-25 19:10:16,204 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-25 19:10:16,204 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-25 19:10:16,205 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 19:10:16,205 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 19:10:16,206 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 19:10:16,206 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 19:10:16,206 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 19:10:16,206 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 19:10:16,206 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 19:10:16,207 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 19:10:16,209 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 19:10:16,209 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 19:10:16,209 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-25 19:10:16,209 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 19:10:16,210 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 19:10:16,210 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 19:10:16,210 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 19:10:16,211 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-25 19:10:16,211 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 19:10:16,211 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 19:10:16,211 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-25 19:10:16,211 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-25 19:10:16,212 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_39ea990f-6edc-46cd-959c-1dded0c66c8f/bin/utaipan-eEHZpOm5b7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39ea990f-6edc-46cd-959c-1dded0c66c8f/bin/utaipan-eEHZpOm5b7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b8e2b19500a9ff32f182f41fca1db48d6268985503aaacd0cb9efdaafa7d6419 [2021-11-25 19:10:16,519 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 19:10:16,557 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 19:10:16,559 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 19:10:16,561 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 19:10:16,561 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 19:10:16,563 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39ea990f-6edc-46cd-959c-1dded0c66c8f/bin/utaipan-eEHZpOm5b7/../../sv-benchmarks/c/aws-c-common/aws_priority_queue_capacity_harness.i [2021-11-25 19:10:16,641 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39ea990f-6edc-46cd-959c-1dded0c66c8f/bin/utaipan-eEHZpOm5b7/data/f43e398ff/770b445250d8430e934d058b422e410a/FLAGa46e82179 [2021-11-25 19:10:17,456 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 19:10:17,457 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39ea990f-6edc-46cd-959c-1dded0c66c8f/sv-benchmarks/c/aws-c-common/aws_priority_queue_capacity_harness.i [2021-11-25 19:10:17,501 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39ea990f-6edc-46cd-959c-1dded0c66c8f/bin/utaipan-eEHZpOm5b7/data/f43e398ff/770b445250d8430e934d058b422e410a/FLAGa46e82179 [2021-11-25 19:10:17,993 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39ea990f-6edc-46cd-959c-1dded0c66c8f/bin/utaipan-eEHZpOm5b7/data/f43e398ff/770b445250d8430e934d058b422e410a [2021-11-25 19:10:17,996 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 19:10:17,997 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 19:10:18,013 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 19:10:18,013 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 19:10:18,016 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 19:10:18,017 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 07:10:17" (1/1) ... [2021-11-25 19:10:18,018 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@376ce309 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:10:18, skipping insertion in model container [2021-11-25 19:10:18,018 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 07:10:17" (1/1) ... [2021-11-25 19:10:18,025 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 19:10:18,181 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 19:10:18,451 WARN L230 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_39ea990f-6edc-46cd-959c-1dded0c66c8f/sv-benchmarks/c/aws-c-common/aws_priority_queue_capacity_harness.i[4501,4514] [2021-11-25 19:10:18,457 WARN L230 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_39ea990f-6edc-46cd-959c-1dded0c66c8f/sv-benchmarks/c/aws-c-common/aws_priority_queue_capacity_harness.i[4561,4574] [2021-11-25 19:10:19,212 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-25 19:10:19,289 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 19:10:19,290 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 19:10:19,290 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 19:10:19,291 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 19:10:19,292 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 19:10:19,305 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 19:10:19,306 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 19:10:19,307 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 19:10:19,308 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 19:10:19,641 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-25 19:10:19,642 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-25 19:10:19,643 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-25 19:10:19,644 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-25 19:10:19,645 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-25 19:10:19,646 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-25 19:10:19,646 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-25 19:10:19,647 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-25 19:10:19,647 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-25 19:10:19,648 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-25 19:10:19,793 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 19:10:19,793 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 19:10:19,845 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 19:10:19,871 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 19:10:19,884 WARN L230 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_39ea990f-6edc-46cd-959c-1dded0c66c8f/sv-benchmarks/c/aws-c-common/aws_priority_queue_capacity_harness.i[4501,4514] [2021-11-25 19:10:19,885 WARN L230 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_39ea990f-6edc-46cd-959c-1dded0c66c8f/sv-benchmarks/c/aws-c-common/aws_priority_queue_capacity_harness.i[4561,4574] [2021-11-25 19:10:19,919 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-25 19:10:19,934 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 19:10:19,935 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 19:10:19,935 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 19:10:19,936 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 19:10:19,937 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 19:10:19,945 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 19:10:19,945 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 19:10:19,946 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 19:10:19,947 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 19:10:19,985 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-25 19:10:19,986 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-25 19:10:19,986 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-25 19:10:19,987 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-25 19:10:19,988 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-25 19:10:19,989 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-25 19:10:19,989 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-25 19:10:19,990 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-25 19:10:19,991 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-25 19:10:19,991 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-25 19:10:20,022 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 19:10:20,023 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 19:10:20,133 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 19:10:20,325 INFO L208 MainTranslator]: Completed translation [2021-11-25 19:10:20,326 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:10:20 WrapperNode [2021-11-25 19:10:20,326 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 19:10:20,327 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 19:10:20,327 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 19:10:20,327 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 19:10:20,335 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:10:20" (1/1) ... [2021-11-25 19:10:20,464 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:10:20" (1/1) ... [2021-11-25 19:10:20,595 INFO L137 Inliner]: procedures = 689, calls = 1536, calls flagged for inlining = 55, calls inlined = 11, statements flattened = 692 [2021-11-25 19:10:20,599 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 19:10:20,600 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 19:10:20,600 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 19:10:20,600 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 19:10:20,608 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:10:20" (1/1) ... [2021-11-25 19:10:20,608 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:10:20" (1/1) ... [2021-11-25 19:10:20,627 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:10:20" (1/1) ... [2021-11-25 19:10:20,628 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:10:20" (1/1) ... [2021-11-25 19:10:20,678 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:10:20" (1/1) ... [2021-11-25 19:10:20,699 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:10:20" (1/1) ... [2021-11-25 19:10:20,707 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:10:20" (1/1) ... [2021-11-25 19:10:20,729 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 19:10:20,730 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 19:10:20,730 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 19:10:20,730 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 19:10:20,731 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:10:20" (1/1) ... [2021-11-25 19:10:20,746 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 19:10:20,757 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39ea990f-6edc-46cd-959c-1dded0c66c8f/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 19:10:20,770 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39ea990f-6edc-46cd-959c-1dded0c66c8f/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-25 19:10:20,786 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39ea990f-6edc-46cd-959c-1dded0c66c8f/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-25 19:10:20,821 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_mem_zeroed [2021-11-25 19:10:20,822 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_mem_zeroed [2021-11-25 19:10:20,822 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-25 19:10:20,823 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2021-11-25 19:10:20,823 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2021-11-25 19:10:20,824 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2021-11-25 19:10:20,824 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2021-11-25 19:10:20,825 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2021-11-25 19:10:20,825 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2021-11-25 19:10:20,825 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-25 19:10:20,825 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2021-11-25 19:10:20,826 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2021-11-25 19:10:20,826 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-25 19:10:20,826 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-25 19:10:20,826 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-25 19:10:20,826 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-25 19:10:20,827 INFO L130 BoogieDeclarations]: Found specification of procedure save_byte_from_array [2021-11-25 19:10:20,827 INFO L138 BoogieDeclarations]: Found implementation of procedure save_byte_from_array [2021-11-25 19:10:20,827 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-25 19:10:20,827 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 19:10:20,827 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 19:10:20,827 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2021-11-25 19:10:20,827 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2021-11-25 19:10:20,827 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2021-11-25 19:10:20,828 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2021-11-25 19:10:20,828 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2021-11-25 19:10:20,829 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2021-11-25 19:10:20,829 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_is_valid [2021-11-25 19:10:20,829 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_is_valid [2021-11-25 19:10:20,829 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-25 19:10:20,830 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-25 19:10:20,830 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-25 19:10:20,830 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-25 19:10:20,830 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-25 19:10:20,830 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2021-11-25 19:10:20,830 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2021-11-25 19:10:20,831 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2021-11-25 19:10:20,831 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2021-11-25 19:10:20,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-25 19:10:20,831 INFO L130 BoogieDeclarations]: Found specification of procedure assert_array_list_equivalence [2021-11-25 19:10:20,831 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_array_list_equivalence [2021-11-25 19:10:20,831 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2021-11-25 19:10:20,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2021-11-25 19:10:20,832 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-25 19:10:21,176 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 19:10:21,177 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 19:10:22,424 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 19:10:22,594 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 19:10:22,594 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-25 19:10:22,599 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 07:10:22 BoogieIcfgContainer [2021-11-25 19:10:22,600 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 19:10:22,602 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-25 19:10:22,602 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-25 19:10:22,605 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-25 19:10:22,605 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 07:10:17" (1/3) ... [2021-11-25 19:10:22,606 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56e51609 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 07:10:22, skipping insertion in model container [2021-11-25 19:10:22,606 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:10:20" (2/3) ... [2021-11-25 19:10:22,606 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56e51609 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 07:10:22, skipping insertion in model container [2021-11-25 19:10:22,607 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 07:10:22" (3/3) ... [2021-11-25 19:10:22,608 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_priority_queue_capacity_harness.i [2021-11-25 19:10:22,618 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-25 19:10:22,619 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-25 19:10:22,677 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-25 19:10:22,694 INFO L339 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, mLoopAccelerationTechnique=FAST_UPR [2021-11-25 19:10:22,695 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-25 19:10:22,722 INFO L276 IsEmpty]: Start isEmpty. Operand has 134 states, 76 states have (on average 1.1973684210526316) internal successors, (91), 77 states have internal predecessors, (91), 40 states have call successors, (40), 16 states have call predecessors, (40), 16 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2021-11-25 19:10:22,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2021-11-25 19:10:22,738 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:10:22,739 INFO L514 BasicCegarLoop]: trace histogram [7, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:10:22,740 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 19:10:22,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:10:22,746 INFO L85 PathProgramCache]: Analyzing trace with hash 2033814116, now seen corresponding path program 1 times [2021-11-25 19:10:22,755 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:10:22,755 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [465973747] [2021-11-25 19:10:22,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:10:22,762 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:10:23,179 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 19:10:23,180 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1578616131] [2021-11-25 19:10:23,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:10:23,180 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 19:10:23,180 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39ea990f-6edc-46cd-959c-1dded0c66c8f/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 19:10:23,182 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39ea990f-6edc-46cd-959c-1dded0c66c8f/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 19:10:23,208 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39ea990f-6edc-46cd-959c-1dded0c66c8f/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-25 19:10:23,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:10:23,747 INFO L263 TraceCheckSpWp]: Trace formula consists of 2270 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-25 19:10:23,760 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 19:10:24,054 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2021-11-25 19:10:24,054 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 19:10:24,054 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:10:24,055 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [465973747] [2021-11-25 19:10:24,055 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 19:10:24,055 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1578616131] [2021-11-25 19:10:24,056 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1578616131] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:10:24,056 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:10:24,057 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-25 19:10:24,059 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1196649661] [2021-11-25 19:10:24,059 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:10:24,064 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-25 19:10:24,064 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:10:24,098 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-25 19:10:24,099 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-25 19:10:24,101 INFO L87 Difference]: Start difference. First operand has 134 states, 76 states have (on average 1.1973684210526316) internal successors, (91), 77 states have internal predecessors, (91), 40 states have call successors, (40), 16 states have call predecessors, (40), 16 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) Second operand has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 3 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2021-11-25 19:10:24,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:10:24,647 INFO L93 Difference]: Finished difference Result 234 states and 312 transitions. [2021-11-25 19:10:24,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-25 19:10:24,650 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 3 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) Word has length 87 [2021-11-25 19:10:24,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:10:24,667 INFO L225 Difference]: With dead ends: 234 [2021-11-25 19:10:24,667 INFO L226 Difference]: Without dead ends: 132 [2021-11-25 19:10:24,673 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-25 19:10:24,679 INFO L933 BasicCegarLoop]: 140 mSDtfsCounter, 22 mSDsluCounter, 427 mSDsCounter, 0 mSdLazyCounter, 111 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 518 SdHoareTripleChecker+Invalid, 112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 111 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-11-25 19:10:24,682 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [40 Valid, 518 Invalid, 112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 111 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-11-25 19:10:24,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2021-11-25 19:10:24,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 132. [2021-11-25 19:10:24,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 132 states, 75 states have (on average 1.1733333333333333) internal successors, (88), 76 states have internal predecessors, (88), 40 states have call successors, (40), 16 states have call predecessors, (40), 16 states have return successors, (39), 39 states have call predecessors, (39), 39 states have call successors, (39) [2021-11-25 19:10:24,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 167 transitions. [2021-11-25 19:10:24,757 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 167 transitions. Word has length 87 [2021-11-25 19:10:24,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:10:24,759 INFO L470 AbstractCegarLoop]: Abstraction has 132 states and 167 transitions. [2021-11-25 19:10:24,760 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 3 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2021-11-25 19:10:24,760 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 167 transitions. [2021-11-25 19:10:24,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-11-25 19:10:24,772 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:10:24,772 INFO L514 BasicCegarLoop]: trace histogram [7, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:10:24,811 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39ea990f-6edc-46cd-959c-1dded0c66c8f/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-25 19:10:24,973 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39ea990f-6edc-46cd-959c-1dded0c66c8f/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2021-11-25 19:10:24,973 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 19:10:24,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:10:24,974 INFO L85 PathProgramCache]: Analyzing trace with hash -1232881202, now seen corresponding path program 1 times [2021-11-25 19:10:24,974 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:10:24,974 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [301144149] [2021-11-25 19:10:24,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:10:24,974 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:10:25,119 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 19:10:25,120 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1918512836] [2021-11-25 19:10:25,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:10:25,120 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 19:10:25,120 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39ea990f-6edc-46cd-959c-1dded0c66c8f/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 19:10:25,121 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39ea990f-6edc-46cd-959c-1dded0c66c8f/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 19:10:25,141 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39ea990f-6edc-46cd-959c-1dded0c66c8f/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-25 19:10:25,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:10:25,638 INFO L263 TraceCheckSpWp]: Trace formula consists of 2320 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-25 19:10:25,644 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 19:10:25,894 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2021-11-25 19:10:25,895 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 19:10:25,895 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:10:25,895 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [301144149] [2021-11-25 19:10:25,895 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 19:10:25,896 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1918512836] [2021-11-25 19:10:25,896 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1918512836] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:10:25,896 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:10:25,896 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-25 19:10:25,896 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1160107519] [2021-11-25 19:10:25,897 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:10:25,898 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-25 19:10:25,898 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:10:25,899 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-25 19:10:25,899 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-11-25 19:10:25,899 INFO L87 Difference]: Start difference. First operand 132 states and 167 transitions. Second operand has 7 states, 7 states have (on average 5.428571428571429) internal successors, (38), 7 states have internal predecessors, (38), 4 states have call successors, (18), 2 states have call predecessors, (18), 4 states have return successors, (17), 4 states have call predecessors, (17), 4 states have call successors, (17) [2021-11-25 19:10:26,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:10:26,367 INFO L93 Difference]: Finished difference Result 241 states and 311 transitions. [2021-11-25 19:10:26,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-25 19:10:26,368 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.428571428571429) internal successors, (38), 7 states have internal predecessors, (38), 4 states have call successors, (18), 2 states have call predecessors, (18), 4 states have return successors, (17), 4 states have call predecessors, (17), 4 states have call successors, (17) Word has length 95 [2021-11-25 19:10:26,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:10:26,372 INFO L225 Difference]: With dead ends: 241 [2021-11-25 19:10:26,373 INFO L226 Difference]: Without dead ends: 134 [2021-11-25 19:10:26,374 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-11-25 19:10:26,376 INFO L933 BasicCegarLoop]: 139 mSDtfsCounter, 35 mSDsluCounter, 720 mSDsCounter, 0 mSdLazyCounter, 205 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 776 SdHoareTripleChecker+Invalid, 212 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 205 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-11-25 19:10:26,376 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [57 Valid, 776 Invalid, 212 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 205 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-11-25 19:10:26,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2021-11-25 19:10:26,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 134. [2021-11-25 19:10:26,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 134 states, 76 states have (on average 1.1710526315789473) internal successors, (89), 78 states have internal predecessors, (89), 40 states have call successors, (40), 16 states have call predecessors, (40), 17 states have return successors, (42), 39 states have call predecessors, (42), 39 states have call successors, (42) [2021-11-25 19:10:26,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 171 transitions. [2021-11-25 19:10:26,393 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 171 transitions. Word has length 95 [2021-11-25 19:10:26,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:10:26,394 INFO L470 AbstractCegarLoop]: Abstraction has 134 states and 171 transitions. [2021-11-25 19:10:26,394 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.428571428571429) internal successors, (38), 7 states have internal predecessors, (38), 4 states have call successors, (18), 2 states have call predecessors, (18), 4 states have return successors, (17), 4 states have call predecessors, (17), 4 states have call successors, (17) [2021-11-25 19:10:26,394 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 171 transitions. [2021-11-25 19:10:26,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2021-11-25 19:10:26,396 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:10:26,397 INFO L514 BasicCegarLoop]: trace histogram [7, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:10:26,437 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39ea990f-6edc-46cd-959c-1dded0c66c8f/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-25 19:10:26,621 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39ea990f-6edc-46cd-959c-1dded0c66c8f/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 19:10:26,621 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 19:10:26,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:10:26,622 INFO L85 PathProgramCache]: Analyzing trace with hash 1939190100, now seen corresponding path program 1 times [2021-11-25 19:10:26,622 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:10:26,622 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [957190291] [2021-11-25 19:10:26,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:10:26,622 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:10:26,704 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 19:10:26,704 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1304997905] [2021-11-25 19:10:26,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:10:26,705 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 19:10:26,705 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39ea990f-6edc-46cd-959c-1dded0c66c8f/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 19:10:26,706 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39ea990f-6edc-46cd-959c-1dded0c66c8f/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 19:10:26,709 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39ea990f-6edc-46cd-959c-1dded0c66c8f/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-25 19:10:27,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:10:27,209 INFO L263 TraceCheckSpWp]: Trace formula consists of 2452 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-25 19:10:27,215 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 19:10:27,422 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2021-11-25 19:10:27,422 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 19:10:27,423 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:10:27,423 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [957190291] [2021-11-25 19:10:27,423 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 19:10:27,423 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1304997905] [2021-11-25 19:10:27,423 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1304997905] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:10:27,424 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:10:27,424 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-25 19:10:27,424 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1052295657] [2021-11-25 19:10:27,424 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:10:27,425 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-25 19:10:27,425 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:10:27,426 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-25 19:10:27,426 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-25 19:10:27,426 INFO L87 Difference]: Start difference. First operand 134 states and 171 transitions. Second operand has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 6 states have internal predecessors, (43), 4 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (19), 4 states have call predecessors, (19), 4 states have call successors, (19) [2021-11-25 19:10:27,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:10:27,760 INFO L93 Difference]: Finished difference Result 235 states and 301 transitions. [2021-11-25 19:10:27,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-25 19:10:27,765 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 6 states have internal predecessors, (43), 4 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (19), 4 states have call predecessors, (19), 4 states have call successors, (19) Word has length 104 [2021-11-25 19:10:27,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:10:27,767 INFO L225 Difference]: With dead ends: 235 [2021-11-25 19:10:27,768 INFO L226 Difference]: Without dead ends: 134 [2021-11-25 19:10:27,769 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2021-11-25 19:10:27,769 INFO L933 BasicCegarLoop]: 137 mSDtfsCounter, 32 mSDsluCounter, 561 mSDsCounter, 0 mSdLazyCounter, 140 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 634 SdHoareTripleChecker+Invalid, 145 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 140 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-11-25 19:10:27,770 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [46 Valid, 634 Invalid, 145 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 140 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-11-25 19:10:27,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2021-11-25 19:10:27,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 134. [2021-11-25 19:10:27,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 134 states, 76 states have (on average 1.1578947368421053) internal successors, (88), 78 states have internal predecessors, (88), 40 states have call successors, (40), 16 states have call predecessors, (40), 17 states have return successors, (42), 39 states have call predecessors, (42), 39 states have call successors, (42) [2021-11-25 19:10:27,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 170 transitions. [2021-11-25 19:10:27,788 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 170 transitions. Word has length 104 [2021-11-25 19:10:27,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:10:27,791 INFO L470 AbstractCegarLoop]: Abstraction has 134 states and 170 transitions. [2021-11-25 19:10:27,791 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 6 states have internal predecessors, (43), 4 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (19), 4 states have call predecessors, (19), 4 states have call successors, (19) [2021-11-25 19:10:27,791 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 170 transitions. [2021-11-25 19:10:27,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2021-11-25 19:10:27,797 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:10:27,797 INFO L514 BasicCegarLoop]: trace histogram [7, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:10:27,838 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39ea990f-6edc-46cd-959c-1dded0c66c8f/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-25 19:10:28,025 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39ea990f-6edc-46cd-959c-1dded0c66c8f/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 19:10:28,025 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 19:10:28,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:10:28,026 INFO L85 PathProgramCache]: Analyzing trace with hash 1703128983, now seen corresponding path program 1 times [2021-11-25 19:10:28,026 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:10:28,026 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [37226100] [2021-11-25 19:10:28,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:10:28,026 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:10:28,105 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 19:10:28,106 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [942024822] [2021-11-25 19:10:28,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:10:28,106 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 19:10:28,106 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39ea990f-6edc-46cd-959c-1dded0c66c8f/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 19:10:28,107 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39ea990f-6edc-46cd-959c-1dded0c66c8f/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 19:10:28,109 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39ea990f-6edc-46cd-959c-1dded0c66c8f/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-25 19:10:28,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:10:28,682 INFO L263 TraceCheckSpWp]: Trace formula consists of 2506 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-25 19:10:28,687 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 19:10:28,927 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2021-11-25 19:10:28,927 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 19:10:28,927 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:10:28,927 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [37226100] [2021-11-25 19:10:28,928 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 19:10:28,928 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [942024822] [2021-11-25 19:10:28,928 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [942024822] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:10:28,928 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:10:28,928 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-25 19:10:28,929 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [991766] [2021-11-25 19:10:28,929 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:10:28,930 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-25 19:10:28,930 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:10:28,930 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-25 19:10:28,931 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2021-11-25 19:10:28,931 INFO L87 Difference]: Start difference. First operand 134 states and 170 transitions. Second operand has 8 states, 8 states have (on average 6.125) internal successors, (49), 8 states have internal predecessors, (49), 5 states have call successors, (21), 2 states have call predecessors, (21), 4 states have return successors, (20), 5 states have call predecessors, (20), 5 states have call successors, (20) [2021-11-25 19:10:29,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:10:29,428 INFO L93 Difference]: Finished difference Result 240 states and 306 transitions. [2021-11-25 19:10:29,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-25 19:10:29,429 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.125) internal successors, (49), 8 states have internal predecessors, (49), 5 states have call successors, (21), 2 states have call predecessors, (21), 4 states have return successors, (20), 5 states have call predecessors, (20), 5 states have call successors, (20) Word has length 112 [2021-11-25 19:10:29,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:10:29,431 INFO L225 Difference]: With dead ends: 240 [2021-11-25 19:10:29,431 INFO L226 Difference]: Without dead ends: 134 [2021-11-25 19:10:29,433 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2021-11-25 19:10:29,434 INFO L933 BasicCegarLoop]: 132 mSDtfsCounter, 46 mSDsluCounter, 825 mSDsCounter, 0 mSdLazyCounter, 236 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 865 SdHoareTripleChecker+Invalid, 246 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 236 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-11-25 19:10:29,437 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [63 Valid, 865 Invalid, 246 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 236 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-11-25 19:10:29,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2021-11-25 19:10:29,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 134. [2021-11-25 19:10:29,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 134 states, 76 states have (on average 1.1578947368421053) internal successors, (88), 78 states have internal predecessors, (88), 40 states have call successors, (40), 16 states have call predecessors, (40), 17 states have return successors, (41), 39 states have call predecessors, (41), 39 states have call successors, (41) [2021-11-25 19:10:29,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 169 transitions. [2021-11-25 19:10:29,460 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 169 transitions. Word has length 112 [2021-11-25 19:10:29,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:10:29,461 INFO L470 AbstractCegarLoop]: Abstraction has 134 states and 169 transitions. [2021-11-25 19:10:29,461 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.125) internal successors, (49), 8 states have internal predecessors, (49), 5 states have call successors, (21), 2 states have call predecessors, (21), 4 states have return successors, (20), 5 states have call predecessors, (20), 5 states have call successors, (20) [2021-11-25 19:10:29,462 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 169 transitions. [2021-11-25 19:10:29,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2021-11-25 19:10:29,463 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:10:29,464 INFO L514 BasicCegarLoop]: trace histogram [7, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:10:29,504 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39ea990f-6edc-46cd-959c-1dded0c66c8f/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-25 19:10:29,689 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39ea990f-6edc-46cd-959c-1dded0c66c8f/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 19:10:29,689 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 19:10:29,689 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:10:29,689 INFO L85 PathProgramCache]: Analyzing trace with hash -230160901, now seen corresponding path program 2 times [2021-11-25 19:10:29,689 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:10:29,690 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [440121108] [2021-11-25 19:10:29,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:10:29,690 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:10:29,796 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 19:10:29,797 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1400074006] [2021-11-25 19:10:29,797 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-25 19:10:29,797 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 19:10:29,797 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39ea990f-6edc-46cd-959c-1dded0c66c8f/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 19:10:29,798 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39ea990f-6edc-46cd-959c-1dded0c66c8f/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 19:10:29,817 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39ea990f-6edc-46cd-959c-1dded0c66c8f/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-25 19:10:30,917 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-11-25 19:10:30,917 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-25 19:10:30,926 INFO L263 TraceCheckSpWp]: Trace formula consists of 1885 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-25 19:10:30,934 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 19:10:31,123 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2021-11-25 19:10:31,124 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 19:10:31,124 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:10:31,124 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [440121108] [2021-11-25 19:10:31,124 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 19:10:31,124 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1400074006] [2021-11-25 19:10:31,125 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1400074006] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:10:31,125 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:10:31,125 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-25 19:10:31,125 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1042914942] [2021-11-25 19:10:31,125 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:10:31,126 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-25 19:10:31,126 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:10:31,127 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-25 19:10:31,146 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-25 19:10:31,146 INFO L87 Difference]: Start difference. First operand 134 states and 169 transitions. Second operand has 5 states, 3 states have (on average 16.0) internal successors, (48), 4 states have internal predecessors, (48), 3 states have call successors, (21), 2 states have call predecessors, (21), 4 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2021-11-25 19:10:31,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:10:31,443 INFO L93 Difference]: Finished difference Result 213 states and 267 transitions. [2021-11-25 19:10:31,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-25 19:10:31,453 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 3 states have (on average 16.0) internal successors, (48), 4 states have internal predecessors, (48), 3 states have call successors, (21), 2 states have call predecessors, (21), 4 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 121 [2021-11-25 19:10:31,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:10:31,455 INFO L225 Difference]: With dead ends: 213 [2021-11-25 19:10:31,455 INFO L226 Difference]: Without dead ends: 134 [2021-11-25 19:10:31,456 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-25 19:10:31,457 INFO L933 BasicCegarLoop]: 140 mSDtfsCounter, 0 mSDsluCounter, 461 mSDsCounter, 0 mSdLazyCounter, 113 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 549 SdHoareTripleChecker+Invalid, 113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 113 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-11-25 19:10:31,457 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 549 Invalid, 113 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 113 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-11-25 19:10:31,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2021-11-25 19:10:31,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 134. [2021-11-25 19:10:31,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 134 states, 76 states have (on average 1.1578947368421053) internal successors, (88), 78 states have internal predecessors, (88), 40 states have call successors, (40), 16 states have call predecessors, (40), 17 states have return successors, (40), 39 states have call predecessors, (40), 39 states have call successors, (40) [2021-11-25 19:10:31,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 168 transitions. [2021-11-25 19:10:31,472 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 168 transitions. Word has length 121 [2021-11-25 19:10:31,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:10:31,473 INFO L470 AbstractCegarLoop]: Abstraction has 134 states and 168 transitions. [2021-11-25 19:10:31,473 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 3 states have (on average 16.0) internal successors, (48), 4 states have internal predecessors, (48), 3 states have call successors, (21), 2 states have call predecessors, (21), 4 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2021-11-25 19:10:31,473 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 168 transitions. [2021-11-25 19:10:31,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2021-11-25 19:10:31,475 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:10:31,475 INFO L514 BasicCegarLoop]: trace histogram [7, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:10:31,505 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39ea990f-6edc-46cd-959c-1dded0c66c8f/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-11-25 19:10:31,689 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39ea990f-6edc-46cd-959c-1dded0c66c8f/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 19:10:31,689 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 19:10:31,689 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:10:31,689 INFO L85 PathProgramCache]: Analyzing trace with hash -1030261011, now seen corresponding path program 3 times [2021-11-25 19:10:31,690 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:10:31,690 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [23562700] [2021-11-25 19:10:31,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:10:31,690 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:10:31,799 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 19:10:31,800 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1826103523] [2021-11-25 19:10:31,800 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-11-25 19:10:31,800 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 19:10:31,800 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39ea990f-6edc-46cd-959c-1dded0c66c8f/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 19:10:31,809 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39ea990f-6edc-46cd-959c-1dded0c66c8f/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 19:10:31,827 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39ea990f-6edc-46cd-959c-1dded0c66c8f/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-11-25 19:10:32,362 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-11-25 19:10:32,362 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-25 19:10:32,374 INFO L263 TraceCheckSpWp]: Trace formula consists of 2770 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-25 19:10:32,381 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 19:10:32,642 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2021-11-25 19:10:32,642 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 19:10:32,642 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:10:32,642 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [23562700] [2021-11-25 19:10:32,642 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 19:10:32,643 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1826103523] [2021-11-25 19:10:32,643 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1826103523] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:10:32,643 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:10:32,643 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-25 19:10:32,644 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1746985446] [2021-11-25 19:10:32,644 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:10:32,644 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-25 19:10:32,645 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:10:32,645 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-25 19:10:32,645 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-25 19:10:32,646 INFO L87 Difference]: Start difference. First operand 134 states and 168 transitions. Second operand has 6 states, 6 states have (on average 7.5) internal successors, (45), 6 states have internal predecessors, (45), 4 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (20), 4 states have call predecessors, (20), 3 states have call successors, (20) [2021-11-25 19:10:32,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:10:32,990 INFO L93 Difference]: Finished difference Result 210 states and 260 transitions. [2021-11-25 19:10:32,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-25 19:10:32,990 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 6 states have internal predecessors, (45), 4 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (20), 4 states have call predecessors, (20), 3 states have call successors, (20) Word has length 130 [2021-11-25 19:10:32,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:10:32,992 INFO L225 Difference]: With dead ends: 210 [2021-11-25 19:10:32,992 INFO L226 Difference]: Without dead ends: 132 [2021-11-25 19:10:32,993 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-11-25 19:10:32,994 INFO L933 BasicCegarLoop]: 135 mSDtfsCounter, 14 mSDsluCounter, 561 mSDsCounter, 0 mSdLazyCounter, 142 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 633 SdHoareTripleChecker+Invalid, 157 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 142 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-11-25 19:10:32,994 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [15 Valid, 633 Invalid, 157 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 142 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-11-25 19:10:32,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2021-11-25 19:10:33,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 132. [2021-11-25 19:10:33,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 132 states, 75 states have (on average 1.1466666666666667) internal successors, (86), 76 states have internal predecessors, (86), 40 states have call successors, (40), 16 states have call predecessors, (40), 16 states have return successors, (39), 39 states have call predecessors, (39), 39 states have call successors, (39) [2021-11-25 19:10:33,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 165 transitions. [2021-11-25 19:10:33,006 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 165 transitions. Word has length 130 [2021-11-25 19:10:33,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:10:33,007 INFO L470 AbstractCegarLoop]: Abstraction has 132 states and 165 transitions. [2021-11-25 19:10:33,007 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 6 states have internal predecessors, (45), 4 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (20), 4 states have call predecessors, (20), 3 states have call successors, (20) [2021-11-25 19:10:33,007 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 165 transitions. [2021-11-25 19:10:33,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2021-11-25 19:10:33,009 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:10:33,009 INFO L514 BasicCegarLoop]: trace histogram [7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:10:33,052 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39ea990f-6edc-46cd-959c-1dded0c66c8f/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-11-25 19:10:33,230 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39ea990f-6edc-46cd-959c-1dded0c66c8f/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 19:10:33,230 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 19:10:33,230 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:10:33,231 INFO L85 PathProgramCache]: Analyzing trace with hash 1200556263, now seen corresponding path program 1 times [2021-11-25 19:10:33,231 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:10:33,231 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [592869490] [2021-11-25 19:10:33,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:10:33,231 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:10:33,312 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 19:10:33,312 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2099983783] [2021-11-25 19:10:33,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:10:33,313 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 19:10:33,313 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39ea990f-6edc-46cd-959c-1dded0c66c8f/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 19:10:33,314 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39ea990f-6edc-46cd-959c-1dded0c66c8f/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 19:10:33,364 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39ea990f-6edc-46cd-959c-1dded0c66c8f/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-11-25 19:10:34,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:10:34,045 INFO L263 TraceCheckSpWp]: Trace formula consists of 2902 conjuncts, 83 conjunts are in the unsatisfiable core [2021-11-25 19:10:34,053 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 19:10:35,527 INFO L354 Elim1Store]: treesize reduction 13, result has 7.1 percent of original size [2021-11-25 19:10:35,528 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 13 [2021-11-25 19:10:35,540 INFO L354 Elim1Store]: treesize reduction 13, result has 7.1 percent of original size [2021-11-25 19:10:35,540 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 40 treesize of output 20 [2021-11-25 19:10:35,558 INFO L354 Elim1Store]: treesize reduction 13, result has 7.1 percent of original size [2021-11-25 19:10:35,558 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 16 [2021-11-25 19:10:35,812 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 84 proven. 4 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2021-11-25 19:10:35,813 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-25 19:10:36,680 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:10:36,680 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [592869490] [2021-11-25 19:10:36,681 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 19:10:36,681 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2099983783] [2021-11-25 19:10:36,681 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2099983783] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-25 19:10:36,681 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [416327422] [2021-11-25 19:10:36,702 INFO L159 IcfgInterpreter]: Started Sifa with 73 locations of interest [2021-11-25 19:10:36,703 INFO L166 IcfgInterpreter]: Building call graph [2021-11-25 19:10:36,707 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-25 19:10:36,713 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-25 19:10:36,713 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-25 19:10:40,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:10:40,541 INFO L244 Elim1Store]: Index analysis took 359 ms [2021-11-25 19:10:56,809 WARN L227 SmtUtils]: Spent 16.19s on a formula simplification. DAG size of input: 1767 DAG size of output: 1175 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-25 19:10:56,816 INFO L354 Elim1Store]: treesize reduction 1968, result has 47.2 percent of original size [2021-11-25 19:10:56,821 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 197 select indices, 197 select index equivalence classes, 19308 disjoint index pairs (out of 19306 index pairs), introduced 197 new quantified variables, introduced 196 case distinctions, treesize of input 992 treesize of output 2358 [2021-11-25 19:11:00,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:11:00,543 INFO L244 Elim1Store]: Index analysis took 651 ms [2021-11-25 19:11:29,437 WARN L227 SmtUtils]: Spent 28.83s on a formula simplification. DAG size of input: 2161 DAG size of output: 1179 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-25 19:11:29,441 INFO L354 Elim1Store]: treesize reduction 3528, result has 33.3 percent of original size [2021-11-25 19:11:29,445 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 199 select indices, 199 select index equivalence classes, 19505 disjoint index pairs (out of 19701 index pairs), introduced 199 new quantified variables, introduced 392 case distinctions, treesize of input 1002 treesize of output 2377 [2021-11-25 19:11:31,297 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 194 [2021-11-25 19:11:31,416 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 194 [2021-11-25 19:11:31,644 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 194 [2021-11-25 19:11:32,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:11:32,545 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 43 [2021-11-25 19:11:32,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:11:32,550 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 43 [2021-11-25 19:11:32,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:11:32,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:11:32,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:11:32,560 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 29 [2021-11-25 19:11:32,567 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-25 19:11:32,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:11:32,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:11:32,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:11:32,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:11:32,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:11:32,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:11:32,637 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 373 treesize of output 301 [2021-11-25 19:11:32,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:11:32,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:11:32,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:11:32,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:11:32,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:11:32,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:11:32,844 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 373 treesize of output 301 [2021-11-25 19:11:34,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:11:34,034 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2021-11-25 19:11:34,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:11:34,062 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 30 [2021-11-25 19:11:34,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:11:34,083 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 24 [2021-11-25 19:11:34,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:11:34,110 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2021-11-25 19:11:34,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:11:34,133 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 30 [2021-11-25 19:11:34,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:11:34,154 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 24 [2021-11-25 19:11:35,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:11:35,186 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 30 [2021-11-25 19:11:35,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:11:35,206 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 24 [2021-11-25 19:11:35,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:11:35,239 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2021-11-25 19:11:35,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:11:35,267 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 30 [2021-11-25 19:11:35,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:11:35,287 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 24 [2021-11-25 19:11:35,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:11:35,314 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2021-11-25 19:11:35,565 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-25 19:11:35,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:11:35,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:11:35,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:11:35,601 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 841 treesize of output 831 [2021-11-25 19:11:35,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:11:35,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:11:35,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:11:35,618 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 842 treesize of output 832 [2021-11-25 19:11:35,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:11:35,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:11:35,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:11:35,634 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 847 treesize of output 826 [2021-11-25 19:11:36,553 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-25 19:11:36,558 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-25 19:11:36,594 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-25 19:11:36,598 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-25 19:11:36,647 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-25 19:11:36,654 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-25 19:11:36,669 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-25 19:11:36,684 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-25 19:11:36,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:11:36,752 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 19:11:36,752 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-25 19:11:36,762 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-25 19:11:36,773 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-25 19:11:36,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:11:36,852 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 19:11:36,852 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-25 19:11:36,864 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-25 19:11:36,877 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-25 19:11:37,109 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-25 19:11:37,161 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 23 [2021-11-25 19:11:37,164 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 19 [2021-11-25 19:11:37,917 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 23 [2021-11-25 19:11:37,920 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 19 [2021-11-25 19:11:39,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:11:39,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:11:39,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:11:39,059 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 837 treesize of output 809 [2021-11-25 19:11:39,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:11:39,077 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 809 treesize of output 785 [2021-11-25 19:11:39,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:11:39,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:11:39,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:11:39,092 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 792 treesize of output 764 [2021-11-25 19:11:40,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:11:40,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:11:40,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:11:40,087 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 837 treesize of output 809 [2021-11-25 19:11:40,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:11:40,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:11:40,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:11:40,102 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 816 treesize of output 788 [2021-11-25 19:11:40,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:11:40,114 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 788 treesize of output 764 [2021-11-25 19:11:40,781 INFO L354 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2021-11-25 19:11:40,781 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 24 treesize of output 21 [2021-11-25 19:11:40,804 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 11 [2021-11-25 19:11:40,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:11:40,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:11:40,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:11:40,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:11:40,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:11:40,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:11:40,995 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 19:11:40,995 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 38 treesize of output 10 [2021-11-25 19:11:41,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:11:41,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:11:41,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:11:41,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:11:41,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:11:41,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:11:41,027 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 19:11:41,028 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 38 treesize of output 10 [2021-11-25 19:11:41,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:11:41,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:11:41,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:11:41,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:11:41,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:11:41,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:11:41,057 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 19:11:41,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:11:41,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:11:41,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:11:41,061 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 19:11:41,084 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 19:11:41,084 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 8 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 79 treesize of output 47 [2021-11-25 19:11:41,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:11:41,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:11:41,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:11:41,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:11:41,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:11:41,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:11:41,306 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 19:11:41,306 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 38 treesize of output 10 [2021-11-25 19:11:41,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:11:41,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:11:41,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:11:41,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:11:41,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:11:41,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:11:41,335 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 19:11:41,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:11:41,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:11:41,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:11:41,339 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 19:11:41,360 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 19:11:41,361 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 8 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 79 treesize of output 47 [2021-11-25 19:11:41,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:11:41,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:11:41,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:11:41,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:11:41,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:11:41,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:11:41,408 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 19:11:41,408 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 38 treesize of output 10 [2021-11-25 19:11:41,539 INFO L354 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2021-11-25 19:11:41,543 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 9 treesize of output 15 [2021-11-25 19:11:41,601 INFO L354 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2021-11-25 19:11:41,601 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 24 treesize of output 21 [2021-11-25 19:11:41,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:11:41,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:11:41,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:11:41,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:11:41,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:11:41,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:11:41,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:11:41,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:11:41,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:11:41,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:11:41,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:11:41,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:11:41,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:11:41,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:11:41,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:11:41,835 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 19:11:41,835 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 17 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 55 treesize of output 13 [2021-11-25 19:11:41,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:11:41,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:11:41,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:11:41,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:11:41,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:11:41,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:11:41,885 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 19:11:41,885 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 38 treesize of output 10 [2021-11-25 19:11:41,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:11:41,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:11:41,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:11:41,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:11:41,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:11:41,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:11:41,910 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 19:11:41,911 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 38 treesize of output 10 [2021-11-25 19:11:42,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:11:42,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:11:42,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:11:42,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:11:42,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:11:42,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:11:42,130 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 19:11:42,131 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 38 treesize of output 10 [2021-11-25 19:11:42,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:11:42,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:11:42,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:11:42,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:11:42,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:11:42,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:11:42,163 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 19:11:42,164 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 38 treesize of output 10 [2021-11-25 19:11:42,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:11:42,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:11:42,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:11:42,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:11:42,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:11:42,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:11:42,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:11:42,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:11:42,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:11:42,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:11:42,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:11:42,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:11:42,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:11:42,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:11:42,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:11:42,211 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 19:11:42,212 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 17 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 55 treesize of output 13 [2021-11-25 19:11:42,885 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-25 19:11:43,378 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 19 treesize of output 13 [2021-11-25 19:11:43,398 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-25 19:11:43,620 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-25 19:11:44,111 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 19 treesize of output 13 [2021-11-25 19:11:44,125 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-25 19:12:33,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:12:33,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:12:33,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:12:36,905 INFO L354 Elim1Store]: treesize reduction 168, result has 81.8 percent of original size [2021-11-25 19:12:36,906 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 12 select indices, 12 select index equivalence classes, 3 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 65 case distinctions, treesize of input 3025 treesize of output 3109 [2021-11-25 19:12:37,205 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 19:12:37,206 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 3105 treesize of output 3165 [2021-11-25 19:12:37,471 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 19:12:37,472 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 3165 treesize of output 3225 [2021-11-25 19:12:37,525 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 19:12:37,526 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 3225 treesize of output 3229 [2021-11-25 19:16:25,361 WARN L227 SmtUtils]: Spent 8.44s on a formula simplification that was a NOOP. DAG size: 639 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)