./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 aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39893e25-1c2a-4c78-a404-fae20df63059/bin/utaipan-EQgc7hIp5V/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39893e25-1c2a-4c78-a404-fae20df63059/bin/utaipan-EQgc7hIp5V/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39893e25-1c2a-4c78-a404-fae20df63059/bin/utaipan-EQgc7hIp5V/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39893e25-1c2a-4c78-a404-fae20df63059/bin/utaipan-EQgc7hIp5V/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_39893e25-1c2a-4c78-a404-fae20df63059/bin/utaipan-EQgc7hIp5V/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39893e25-1c2a-4c78-a404-fae20df63059/bin/utaipan-EQgc7hIp5V --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 0.2.1-dev-aef121e [2021-11-23 02:33:24,651 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 02:33:24,653 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 02:33:24,683 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 02:33:24,684 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 02:33:24,685 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 02:33:24,687 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 02:33:24,689 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 02:33:24,692 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 02:33:24,693 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 02:33:24,694 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 02:33:24,696 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 02:33:24,697 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 02:33:24,698 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 02:33:24,700 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 02:33:24,702 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 02:33:24,703 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 02:33:24,704 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 02:33:24,706 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 02:33:24,709 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 02:33:24,711 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 02:33:24,717 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 02:33:24,718 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 02:33:24,720 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 02:33:24,726 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 02:33:24,730 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 02:33:24,731 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 02:33:24,733 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 02:33:24,734 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 02:33:24,735 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 02:33:24,736 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 02:33:24,738 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 02:33:24,740 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 02:33:24,741 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 02:33:24,743 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 02:33:24,743 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 02:33:24,744 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 02:33:24,745 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 02:33:24,745 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 02:33:24,746 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 02:33:24,747 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 02:33:24,748 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39893e25-1c2a-4c78-a404-fae20df63059/bin/utaipan-EQgc7hIp5V/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-23 02:33:24,798 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 02:33:24,798 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 02:33:24,799 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 02:33:24,799 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 02:33:24,806 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 02:33:24,806 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 02:33:24,807 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 02:33:24,807 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 02:33:24,807 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 02:33:24,807 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 02:33:24,808 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 02:33:24,809 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 02:33:24,809 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 02:33:24,809 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 02:33:24,810 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 02:33:24,810 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 02:33:24,810 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 02:33:24,810 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 02:33:24,812 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 02:33:24,812 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 02:33:24,812 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 02:33:24,813 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 02:33:24,813 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 02:33:24,813 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 02:33:24,813 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 02:33:24,814 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 02:33:24,814 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 02:33:24,814 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 02:33:24,814 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 02:33:24,815 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 02:33:24,815 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 02:33:24,815 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 02:33:24,816 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 02:33:24,816 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 02:33:24,816 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 02:33:24,816 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 02:33:24,817 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 02:33:24,817 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 02:33:24,817 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_39893e25-1c2a-4c78-a404-fae20df63059/bin/utaipan-EQgc7hIp5V/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39893e25-1c2a-4c78-a404-fae20df63059/bin/utaipan-EQgc7hIp5V Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b8e2b19500a9ff32f182f41fca1db48d6268985503aaacd0cb9efdaafa7d6419 [2021-11-23 02:33:25,160 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 02:33:25,186 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 02:33:25,190 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 02:33:25,191 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 02:33:25,192 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 02:33:25,194 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39893e25-1c2a-4c78-a404-fae20df63059/bin/utaipan-EQgc7hIp5V/../../sv-benchmarks/c/aws-c-common/aws_priority_queue_capacity_harness.i [2021-11-23 02:33:25,300 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39893e25-1c2a-4c78-a404-fae20df63059/bin/utaipan-EQgc7hIp5V/data/6bb6fe103/7de686e25bbd4a1eba19b430cbcbf0fb/FLAG4f97a46bb [2021-11-23 02:33:26,159 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 02:33:26,160 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39893e25-1c2a-4c78-a404-fae20df63059/sv-benchmarks/c/aws-c-common/aws_priority_queue_capacity_harness.i [2021-11-23 02:33:26,240 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39893e25-1c2a-4c78-a404-fae20df63059/bin/utaipan-EQgc7hIp5V/data/6bb6fe103/7de686e25bbd4a1eba19b430cbcbf0fb/FLAG4f97a46bb [2021-11-23 02:33:26,725 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39893e25-1c2a-4c78-a404-fae20df63059/bin/utaipan-EQgc7hIp5V/data/6bb6fe103/7de686e25bbd4a1eba19b430cbcbf0fb [2021-11-23 02:33:26,728 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 02:33:26,729 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 02:33:26,731 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 02:33:26,731 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 02:33:26,746 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 02:33:26,747 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:33:26" (1/1) ... [2021-11-23 02:33:26,748 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78a0b484 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:33:26, skipping insertion in model container [2021-11-23 02:33:26,748 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:33:26" (1/1) ... [2021-11-23 02:33:26,755 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 02:33:26,872 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 02:33:27,212 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_39893e25-1c2a-4c78-a404-fae20df63059/sv-benchmarks/c/aws-c-common/aws_priority_queue_capacity_harness.i[4501,4514] [2021-11-23 02:33:27,221 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_39893e25-1c2a-4c78-a404-fae20df63059/sv-benchmarks/c/aws-c-common/aws_priority_queue_capacity_harness.i[4561,4574] [2021-11-23 02:33:28,167 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-23 02:33:28,235 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 02:33:28,236 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 02:33:28,237 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 02:33:28,238 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 02:33:28,239 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 02:33:28,257 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 02:33:28,258 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 02:33:28,261 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 02:33:28,262 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 02:33:28,691 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-23 02:33:28,693 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-23 02:33:28,694 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-23 02:33:28,696 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-23 02:33:28,698 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-23 02:33:28,699 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-23 02:33:28,699 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-23 02:33:28,700 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-23 02:33:28,701 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-23 02:33:28,702 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-23 02:33:28,916 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 02:33:28,917 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 02:33:28,985 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 02:33:29,042 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 02:33:29,068 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_39893e25-1c2a-4c78-a404-fae20df63059/sv-benchmarks/c/aws-c-common/aws_priority_queue_capacity_harness.i[4501,4514] [2021-11-23 02:33:29,074 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_39893e25-1c2a-4c78-a404-fae20df63059/sv-benchmarks/c/aws-c-common/aws_priority_queue_capacity_harness.i[4561,4574] [2021-11-23 02:33:29,159 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-23 02:33:29,236 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 02:33:29,240 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 02:33:29,241 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 02:33:29,241 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 02:33:29,242 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 02:33:29,251 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 02:33:29,252 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 02:33:29,253 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 02:33:29,254 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 02:33:29,319 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-23 02:33:29,320 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-23 02:33:29,321 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-23 02:33:29,322 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-23 02:33:29,323 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-23 02:33:29,325 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-23 02:33:29,327 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-23 02:33:29,327 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-23 02:33:29,328 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-23 02:33:29,329 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-23 02:33:29,384 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 02:33:29,385 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 02:33:29,428 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 02:33:29,629 INFO L208 MainTranslator]: Completed translation [2021-11-23 02:33:29,630 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:33:29 WrapperNode [2021-11-23 02:33:29,630 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 02:33:29,631 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 02:33:29,632 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 02:33:29,632 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 02:33:29,642 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:33:29" (1/1) ... [2021-11-23 02:33:29,756 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:33:29" (1/1) ... [2021-11-23 02:33:29,852 INFO L137 Inliner]: procedures = 689, calls = 1536, calls flagged for inlining = 55, calls inlined = 11, statements flattened = 692 [2021-11-23 02:33:29,852 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 02:33:29,853 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 02:33:29,853 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 02:33:29,854 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 02:33:29,863 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:33:29" (1/1) ... [2021-11-23 02:33:29,863 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:33:29" (1/1) ... [2021-11-23 02:33:29,879 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:33:29" (1/1) ... [2021-11-23 02:33:29,880 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:33:29" (1/1) ... [2021-11-23 02:33:29,967 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:33:29" (1/1) ... [2021-11-23 02:33:29,972 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:33:29" (1/1) ... [2021-11-23 02:33:29,980 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:33:29" (1/1) ... [2021-11-23 02:33:30,004 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 02:33:30,005 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 02:33:30,006 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 02:33:30,006 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 02:33:30,007 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:33:29" (1/1) ... [2021-11-23 02:33:30,016 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 02:33:30,028 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39893e25-1c2a-4c78-a404-fae20df63059/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 02:33:30,050 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39893e25-1c2a-4c78-a404-fae20df63059/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 02:33:30,075 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39893e25-1c2a-4c78-a404-fae20df63059/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 02:33:30,105 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_mem_zeroed [2021-11-23 02:33:30,105 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_mem_zeroed [2021-11-23 02:33:30,106 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 02:33:30,107 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2021-11-23 02:33:30,107 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2021-11-23 02:33:30,108 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2021-11-23 02:33:30,108 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2021-11-23 02:33:30,109 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2021-11-23 02:33:30,109 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2021-11-23 02:33:30,110 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 02:33:30,110 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2021-11-23 02:33:30,110 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2021-11-23 02:33:30,110 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-23 02:33:30,111 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-23 02:33:30,111 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 02:33:30,111 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 02:33:30,111 INFO L130 BoogieDeclarations]: Found specification of procedure save_byte_from_array [2021-11-23 02:33:30,111 INFO L138 BoogieDeclarations]: Found implementation of procedure save_byte_from_array [2021-11-23 02:33:30,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 02:33:30,112 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 02:33:30,112 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 02:33:30,112 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2021-11-23 02:33:30,112 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2021-11-23 02:33:30,113 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2021-11-23 02:33:30,113 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2021-11-23 02:33:30,114 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2021-11-23 02:33:30,114 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2021-11-23 02:33:30,115 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_is_valid [2021-11-23 02:33:30,115 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_is_valid [2021-11-23 02:33:30,115 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 02:33:30,115 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 02:33:30,115 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 02:33:30,116 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 02:33:30,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 02:33:30,116 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2021-11-23 02:33:30,117 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2021-11-23 02:33:30,117 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2021-11-23 02:33:30,117 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2021-11-23 02:33:30,117 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 02:33:30,117 INFO L130 BoogieDeclarations]: Found specification of procedure assert_array_list_equivalence [2021-11-23 02:33:30,118 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_array_list_equivalence [2021-11-23 02:33:30,118 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2021-11-23 02:33:30,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2021-11-23 02:33:30,118 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 02:33:30,431 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 02:33:30,446 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 02:33:31,670 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 02:33:31,888 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 02:33:31,888 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-23 02:33:31,892 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:33:31 BoogieIcfgContainer [2021-11-23 02:33:31,893 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 02:33:31,897 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 02:33:31,897 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 02:33:31,902 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 02:33:31,902 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 02:33:26" (1/3) ... [2021-11-23 02:33:31,903 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e626c41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:33:31, skipping insertion in model container [2021-11-23 02:33:31,903 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:33:29" (2/3) ... [2021-11-23 02:33:31,904 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e626c41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:33:31, skipping insertion in model container [2021-11-23 02:33:31,904 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:33:31" (3/3) ... [2021-11-23 02:33:31,911 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_priority_queue_capacity_harness.i [2021-11-23 02:33:31,921 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 02:33:31,922 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-23 02:33:31,995 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 02:33:32,015 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 [2021-11-23 02:33:32,016 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-23 02:33:32,043 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) [2021-11-23 02:33:32,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2021-11-23 02:33:32,063 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:33:32,064 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] [2021-11-23 02:33:32,064 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 02:33:32,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:33:32,076 INFO L85 PathProgramCache]: Analyzing trace with hash 2033814116, now seen corresponding path program 1 times [2021-11-23 02:33:32,086 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:33:32,087 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [311389445] [2021-11-23 02:33:32,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:33:32,094 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:33:32,579 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-23 02:33:32,580 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1737871090] [2021-11-23 02:33:32,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:33:32,581 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 02:33:32,581 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39893e25-1c2a-4c78-a404-fae20df63059/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 02:33:32,583 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39893e25-1c2a-4c78-a404-fae20df63059/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 02:33:32,604 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39893e25-1c2a-4c78-a404-fae20df63059/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-23 02:33:33,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:33:33,213 INFO L263 TraceCheckSpWp]: Trace formula consists of 2210 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-23 02:33:33,230 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 02:33:33,589 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2021-11-23 02:33:33,590 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 02:33:33,590 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:33:33,591 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [311389445] [2021-11-23 02:33:33,591 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-23 02:33:33,592 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1737871090] [2021-11-23 02:33:33,593 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1737871090] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:33:33,593 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:33:33,594 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-23 02:33:33,596 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1473494080] [2021-11-23 02:33:33,597 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:33:33,603 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-23 02:33:33,604 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:33:33,645 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-23 02:33:33,646 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-23 02:33:33,650 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) [2021-11-23 02:33:34,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:33:34,230 INFO L93 Difference]: Finished difference Result 234 states and 312 transitions. [2021-11-23 02:33:34,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-23 02:33:34,232 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 [2021-11-23 02:33:34,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:33:34,252 INFO L225 Difference]: With dead ends: 234 [2021-11-23 02:33:34,252 INFO L226 Difference]: Without dead ends: 132 [2021-11-23 02:33:34,258 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 [2021-11-23 02:33:34,266 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 [2021-11-23 02:33:34,269 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] [2021-11-23 02:33:34,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2021-11-23 02:33:34,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 132. [2021-11-23 02:33:34,339 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) [2021-11-23 02:33:34,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 167 transitions. [2021-11-23 02:33:34,351 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 167 transitions. Word has length 87 [2021-11-23 02:33:34,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:33:34,355 INFO L470 AbstractCegarLoop]: Abstraction has 132 states and 167 transitions. [2021-11-23 02:33:34,355 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) [2021-11-23 02:33:34,355 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 167 transitions. [2021-11-23 02:33:34,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-11-23 02:33:34,369 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:33:34,369 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] [2021-11-23 02:33:34,400 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39893e25-1c2a-4c78-a404-fae20df63059/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-23 02:33:34,570 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39893e25-1c2a-4c78-a404-fae20df63059/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2021-11-23 02:33:34,570 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 02:33:34,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:33:34,571 INFO L85 PathProgramCache]: Analyzing trace with hash -1232881202, now seen corresponding path program 1 times [2021-11-23 02:33:34,571 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:33:34,571 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [524545778] [2021-11-23 02:33:34,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:33:34,572 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:33:34,772 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-23 02:33:34,773 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1024992371] [2021-11-23 02:33:34,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:33:34,774 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 02:33:34,774 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39893e25-1c2a-4c78-a404-fae20df63059/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 02:33:34,780 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39893e25-1c2a-4c78-a404-fae20df63059/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 02:33:34,802 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39893e25-1c2a-4c78-a404-fae20df63059/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-23 02:33:35,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:33:35,376 INFO L263 TraceCheckSpWp]: Trace formula consists of 2260 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-23 02:33:35,384 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 02:33:35,644 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2021-11-23 02:33:35,645 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 02:33:35,645 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:33:35,645 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [524545778] [2021-11-23 02:33:35,646 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-23 02:33:35,646 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1024992371] [2021-11-23 02:33:35,646 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1024992371] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:33:35,646 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:33:35,647 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-23 02:33:35,647 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2014398026] [2021-11-23 02:33:35,647 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:33:35,648 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-23 02:33:35,648 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:33:35,649 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-23 02:33:35,650 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-11-23 02:33:35,650 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) [2021-11-23 02:33:36,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:33:36,283 INFO L93 Difference]: Finished difference Result 241 states and 311 transitions. [2021-11-23 02:33:36,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-23 02:33:36,288 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 [2021-11-23 02:33:36,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:33:36,298 INFO L225 Difference]: With dead ends: 241 [2021-11-23 02:33:36,298 INFO L226 Difference]: Without dead ends: 134 [2021-11-23 02:33:36,301 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 [2021-11-23 02:33:36,302 INFO L933 BasicCegarLoop]: 139 mSDtfsCounter, 35 mSDsluCounter, 720 mSDsCounter, 0 mSdLazyCounter, 205 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s 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, 0.6s IncrementalHoareTripleChecker+Time [2021-11-23 02:33:36,303 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [57 Valid, 776 Invalid, 212 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 205 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-11-23 02:33:36,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2021-11-23 02:33:36,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 134. [2021-11-23 02:33:36,331 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) [2021-11-23 02:33:36,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 171 transitions. [2021-11-23 02:33:36,333 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 171 transitions. Word has length 95 [2021-11-23 02:33:36,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:33:36,334 INFO L470 AbstractCegarLoop]: Abstraction has 134 states and 171 transitions. [2021-11-23 02:33:36,334 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) [2021-11-23 02:33:36,335 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 171 transitions. [2021-11-23 02:33:36,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2021-11-23 02:33:36,362 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:33:36,362 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] [2021-11-23 02:33:36,387 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39893e25-1c2a-4c78-a404-fae20df63059/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-23 02:33:36,576 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39893e25-1c2a-4c78-a404-fae20df63059/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2021-11-23 02:33:36,576 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 02:33:36,577 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:33:36,577 INFO L85 PathProgramCache]: Analyzing trace with hash 1939190100, now seen corresponding path program 1 times [2021-11-23 02:33:36,577 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:33:36,578 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [290963745] [2021-11-23 02:33:36,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:33:36,578 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:33:36,651 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-23 02:33:36,651 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1593141845] [2021-11-23 02:33:36,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:33:36,652 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 02:33:36,652 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39893e25-1c2a-4c78-a404-fae20df63059/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 02:33:36,653 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39893e25-1c2a-4c78-a404-fae20df63059/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 02:33:36,658 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39893e25-1c2a-4c78-a404-fae20df63059/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-23 02:33:37,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:33:37,138 INFO L263 TraceCheckSpWp]: Trace formula consists of 2370 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-23 02:33:37,144 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 02:33:37,391 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2021-11-23 02:33:37,391 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 02:33:37,392 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:33:37,392 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [290963745] [2021-11-23 02:33:37,392 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-23 02:33:37,392 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1593141845] [2021-11-23 02:33:37,393 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1593141845] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:33:37,393 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:33:37,393 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-23 02:33:37,393 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1272224260] [2021-11-23 02:33:37,393 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:33:37,394 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-23 02:33:37,394 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:33:37,395 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-23 02:33:37,395 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-23 02:33:37,396 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) [2021-11-23 02:33:37,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:33:37,818 INFO L93 Difference]: Finished difference Result 235 states and 301 transitions. [2021-11-23 02:33:37,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-23 02:33:37,819 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 [2021-11-23 02:33:37,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:33:37,821 INFO L225 Difference]: With dead ends: 235 [2021-11-23 02:33:37,822 INFO L226 Difference]: Without dead ends: 134 [2021-11-23 02:33:37,823 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 [2021-11-23 02:33:37,824 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, 0.4s IncrementalHoareTripleChecker+Time [2021-11-23 02:33:37,825 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [46 Valid, 634 Invalid, 145 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 140 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-11-23 02:33:37,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2021-11-23 02:33:37,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 134. [2021-11-23 02:33:37,840 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) [2021-11-23 02:33:37,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 170 transitions. [2021-11-23 02:33:37,842 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 170 transitions. Word has length 104 [2021-11-23 02:33:37,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:33:37,843 INFO L470 AbstractCegarLoop]: Abstraction has 134 states and 170 transitions. [2021-11-23 02:33:37,843 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) [2021-11-23 02:33:37,843 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 170 transitions. [2021-11-23 02:33:37,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2021-11-23 02:33:37,846 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:33:37,846 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] [2021-11-23 02:33:37,896 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39893e25-1c2a-4c78-a404-fae20df63059/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-23 02:33:38,068 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39893e25-1c2a-4c78-a404-fae20df63059/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 02:33:38,069 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 02:33:38,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:33:38,069 INFO L85 PathProgramCache]: Analyzing trace with hash 1703128983, now seen corresponding path program 1 times [2021-11-23 02:33:38,069 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:33:38,069 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [286621172] [2021-11-23 02:33:38,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:33:38,070 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:33:38,208 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-23 02:33:38,208 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1287192309] [2021-11-23 02:33:38,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:33:38,209 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 02:33:38,209 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39893e25-1c2a-4c78-a404-fae20df63059/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 02:33:38,211 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39893e25-1c2a-4c78-a404-fae20df63059/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 02:33:38,236 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39893e25-1c2a-4c78-a404-fae20df63059/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-23 02:33:38,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:33:38,730 INFO L263 TraceCheckSpWp]: Trace formula consists of 2424 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-23 02:33:38,736 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 02:33:38,998 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2021-11-23 02:33:38,999 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 02:33:38,999 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:33:38,999 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [286621172] [2021-11-23 02:33:38,999 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-23 02:33:38,999 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1287192309] [2021-11-23 02:33:38,999 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1287192309] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:33:39,000 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:33:39,000 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-23 02:33:39,000 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [591513654] [2021-11-23 02:33:39,000 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:33:39,001 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-23 02:33:39,001 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:33:39,001 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-23 02:33:39,003 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2021-11-23 02:33:39,004 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) [2021-11-23 02:33:39,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:33:39,513 INFO L93 Difference]: Finished difference Result 240 states and 306 transitions. [2021-11-23 02:33:39,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-23 02:33:39,515 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 [2021-11-23 02:33:39,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:33:39,517 INFO L225 Difference]: With dead ends: 240 [2021-11-23 02:33:39,517 INFO L226 Difference]: Without dead ends: 134 [2021-11-23 02:33:39,518 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 [2021-11-23 02:33:39,519 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, 0.5s IncrementalHoareTripleChecker+Time [2021-11-23 02:33:39,519 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [63 Valid, 865 Invalid, 246 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 236 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-11-23 02:33:39,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2021-11-23 02:33:39,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 134. [2021-11-23 02:33:39,537 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) [2021-11-23 02:33:39,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 169 transitions. [2021-11-23 02:33:39,540 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 169 transitions. Word has length 112 [2021-11-23 02:33:39,540 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:33:39,540 INFO L470 AbstractCegarLoop]: Abstraction has 134 states and 169 transitions. [2021-11-23 02:33:39,541 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) [2021-11-23 02:33:39,541 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 169 transitions. [2021-11-23 02:33:39,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2021-11-23 02:33:39,543 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:33:39,543 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] [2021-11-23 02:33:39,584 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39893e25-1c2a-4c78-a404-fae20df63059/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-23 02:33:39,758 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39893e25-1c2a-4c78-a404-fae20df63059/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 02:33:39,759 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 02:33:39,759 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:33:39,759 INFO L85 PathProgramCache]: Analyzing trace with hash -230160901, now seen corresponding path program 2 times [2021-11-23 02:33:39,759 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:33:39,759 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1263748556] [2021-11-23 02:33:39,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:33:39,760 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:33:39,829 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-23 02:33:39,829 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1630565627] [2021-11-23 02:33:39,830 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-23 02:33:39,830 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 02:33:39,830 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39893e25-1c2a-4c78-a404-fae20df63059/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 02:33:39,831 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39893e25-1c2a-4c78-a404-fae20df63059/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 02:33:39,855 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39893e25-1c2a-4c78-a404-fae20df63059/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-23 02:33:40,908 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-11-23 02:33:40,908 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-23 02:33:40,917 INFO L263 TraceCheckSpWp]: Trace formula consists of 1881 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-23 02:33:40,922 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 02:33:41,150 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2021-11-23 02:33:41,150 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 02:33:41,150 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:33:41,150 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1263748556] [2021-11-23 02:33:41,150 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-23 02:33:41,151 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1630565627] [2021-11-23 02:33:41,151 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1630565627] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:33:41,151 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:33:41,151 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-23 02:33:41,151 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [787733155] [2021-11-23 02:33:41,151 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:33:41,152 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-23 02:33:41,152 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:33:41,152 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-23 02:33:41,153 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-23 02:33:41,153 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) [2021-11-23 02:33:41,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:33:41,482 INFO L93 Difference]: Finished difference Result 213 states and 267 transitions. [2021-11-23 02:33:41,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-23 02:33:41,487 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 [2021-11-23 02:33:41,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:33:41,489 INFO L225 Difference]: With dead ends: 213 [2021-11-23 02:33:41,489 INFO L226 Difference]: Without dead ends: 134 [2021-11-23 02:33:41,490 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 [2021-11-23 02:33:41,491 INFO L933 BasicCegarLoop]: 140 mSDtfsCounter, 0 mSDsluCounter, 461 mSDsCounter, 0 mSdLazyCounter, 113 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s 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 [2021-11-23 02:33:41,491 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] [2021-11-23 02:33:41,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2021-11-23 02:33:41,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 134. [2021-11-23 02:33:41,501 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) [2021-11-23 02:33:41,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 168 transitions. [2021-11-23 02:33:41,503 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 168 transitions. Word has length 121 [2021-11-23 02:33:41,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:33:41,503 INFO L470 AbstractCegarLoop]: Abstraction has 134 states and 168 transitions. [2021-11-23 02:33:41,504 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) [2021-11-23 02:33:41,504 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 168 transitions. [2021-11-23 02:33:41,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2021-11-23 02:33:41,506 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:33:41,506 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] [2021-11-23 02:33:41,543 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39893e25-1c2a-4c78-a404-fae20df63059/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-11-23 02:33:41,728 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39893e25-1c2a-4c78-a404-fae20df63059/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 02:33:41,728 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 02:33:41,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:33:41,729 INFO L85 PathProgramCache]: Analyzing trace with hash -1030261011, now seen corresponding path program 3 times [2021-11-23 02:33:41,729 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:33:41,729 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1506988302] [2021-11-23 02:33:41,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:33:41,730 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:33:41,798 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-23 02:33:41,798 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1063104100] [2021-11-23 02:33:41,798 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-11-23 02:33:41,799 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 02:33:41,799 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39893e25-1c2a-4c78-a404-fae20df63059/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 02:33:41,806 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39893e25-1c2a-4c78-a404-fae20df63059/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 02:33:41,823 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39893e25-1c2a-4c78-a404-fae20df63059/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-11-23 02:33:42,268 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-11-23 02:33:42,268 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-23 02:33:42,281 INFO L263 TraceCheckSpWp]: Trace formula consists of 2644 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-23 02:33:42,286 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 02:33:42,549 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2021-11-23 02:33:42,550 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 02:33:42,550 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:33:42,550 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1506988302] [2021-11-23 02:33:42,550 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-23 02:33:42,550 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1063104100] [2021-11-23 02:33:42,550 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1063104100] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:33:42,550 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:33:42,550 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-23 02:33:42,551 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [5647784] [2021-11-23 02:33:42,551 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:33:42,551 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-23 02:33:42,551 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:33:42,551 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-23 02:33:42,552 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-23 02:33:42,552 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) [2021-11-23 02:33:42,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:33:42,942 INFO L93 Difference]: Finished difference Result 210 states and 260 transitions. [2021-11-23 02:33:42,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-23 02:33:42,943 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 [2021-11-23 02:33:42,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:33:42,945 INFO L225 Difference]: With dead ends: 210 [2021-11-23 02:33:42,945 INFO L226 Difference]: Without dead ends: 132 [2021-11-23 02:33:42,946 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 [2021-11-23 02:33:42,946 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, 0.4s IncrementalHoareTripleChecker+Time [2021-11-23 02:33:42,947 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [15 Valid, 633 Invalid, 157 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 142 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-11-23 02:33:42,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2021-11-23 02:33:42,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 132. [2021-11-23 02:33:42,957 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) [2021-11-23 02:33:42,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 165 transitions. [2021-11-23 02:33:42,959 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 165 transitions. Word has length 130 [2021-11-23 02:33:42,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:33:42,960 INFO L470 AbstractCegarLoop]: Abstraction has 132 states and 165 transitions. [2021-11-23 02:33:42,961 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) [2021-11-23 02:33:42,961 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 165 transitions. [2021-11-23 02:33:42,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2021-11-23 02:33:42,963 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:33:42,964 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] [2021-11-23 02:33:43,004 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39893e25-1c2a-4c78-a404-fae20df63059/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2021-11-23 02:33:43,182 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39893e25-1c2a-4c78-a404-fae20df63059/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 02:33:43,182 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 02:33:43,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:33:43,182 INFO L85 PathProgramCache]: Analyzing trace with hash 1200556263, now seen corresponding path program 1 times [2021-11-23 02:33:43,183 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:33:43,183 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [379443485] [2021-11-23 02:33:43,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:33:43,183 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:33:43,252 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-23 02:33:43,252 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [568402889] [2021-11-23 02:33:43,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:33:43,253 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 02:33:43,253 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39893e25-1c2a-4c78-a404-fae20df63059/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 02:33:43,256 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39893e25-1c2a-4c78-a404-fae20df63059/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 02:33:43,276 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39893e25-1c2a-4c78-a404-fae20df63059/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-11-23 02:33:43,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:33:43,889 INFO L263 TraceCheckSpWp]: Trace formula consists of 2754 conjuncts, 91 conjunts are in the unsatisfiable core [2021-11-23 02:33:43,900 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 02:33:45,648 INFO L354 Elim1Store]: treesize reduction 13, result has 7.1 percent of original size [2021-11-23 02:33:45,649 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 94 treesize of output 74 [2021-11-23 02:33:45,658 INFO L354 Elim1Store]: treesize reduction 13, result has 7.1 percent of original size [2021-11-23 02:33:45,659 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 68 treesize of output 48 [2021-11-23 02:33:45,667 INFO L354 Elim1Store]: treesize reduction 13, result has 7.1 percent of original size [2021-11-23 02:33:45,667 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 42 treesize of output 22 [2021-11-23 02:33:45,990 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 84 proven. 4 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2021-11-23 02:33:45,990 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 02:33:47,051 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:33:47,052 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [379443485] [2021-11-23 02:33:47,052 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-23 02:33:47,052 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [568402889] [2021-11-23 02:33:47,052 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [568402889] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-23 02:33:47,052 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [914326819] [2021-11-23 02:33:47,085 INFO L159 IcfgInterpreter]: Started Sifa with 73 locations of interest [2021-11-23 02:33:47,086 INFO L166 IcfgInterpreter]: Building call graph [2021-11-23 02:33:47,092 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-23 02:33:47,099 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-23 02:33:47,100 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-23 02:33:50,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:33:50,895 INFO L244 Elim1Store]: Index analysis took 423 ms [2021-11-23 02:34:09,816 WARN L227 SmtUtils]: Spent 18.83s 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) [2021-11-23 02:34:09,824 INFO L354 Elim1Store]: treesize reduction 1968, result has 47.2 percent of original size [2021-11-23 02:34:09,830 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 [2021-11-23 02:34:13,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:34:13,814 INFO L244 Elim1Store]: Index analysis took 836 ms [2021-11-23 02:34:47,231 WARN L227 SmtUtils]: Spent 33.34s 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) [2021-11-23 02:34:47,236 INFO L354 Elim1Store]: treesize reduction 3528, result has 33.3 percent of original size [2021-11-23 02:34:47,241 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 [2021-11-23 02:34:49,070 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 194 [2021-11-23 02:34:49,185 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 194 [2021-11-23 02:34:49,428 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 194 [2021-11-23 02:34:50,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:34:50,344 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 55 treesize of output 54 [2021-11-23 02:34:50,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:34:50,349 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 51 treesize of output 50 [2021-11-23 02:34:50,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:34:50,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:34:50,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:34:50,360 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 [2021-11-23 02:34:50,369 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 [2021-11-23 02:34:50,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:34:50,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:34:50,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:34:50,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:34:50,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:34:50,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:34:50,452 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 [2021-11-23 02:34:50,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:34:50,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:34:50,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:34:50,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:34:50,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:34:50,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:34:50,704 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 [2021-11-23 02:34:52,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:34:52,025 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 [2021-11-23 02:34:52,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:34:52,057 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 51 treesize of output 39 [2021-11-23 02:34:52,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:34:52,077 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 36 treesize of output 24 [2021-11-23 02:34:52,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:34:52,109 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 [2021-11-23 02:34:52,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:34:52,136 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 51 treesize of output 39 [2021-11-23 02:34:52,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:34:52,159 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 [2021-11-23 02:34:53,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:34:53,322 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 51 treesize of output 39 [2021-11-23 02:34:53,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:34:53,349 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 [2021-11-23 02:34:53,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:34:53,383 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 [2021-11-23 02:34:53,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:34:53,424 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 51 treesize of output 39 [2021-11-23 02:34:53,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:34:53,453 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 [2021-11-23 02:34:53,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:34:53,486 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 [2021-11-23 02:34:53,767 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 [2021-11-23 02:34:53,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:34:53,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:34:53,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:34:53,805 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 867 treesize of output 857 [2021-11-23 02:34:53,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:34:53,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:34:53,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:34:53,824 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 857 treesize of output 847 [2021-11-23 02:34:53,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:34:53,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:34:53,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:34:53,845 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 [2021-11-23 02:34:54,813 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 [2021-11-23 02:34:54,819 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 [2021-11-23 02:34:54,870 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 25 treesize of output 24 [2021-11-23 02:34:54,873 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 21 [2021-11-23 02:34:54,919 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 [2021-11-23 02:34:54,926 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 [2021-11-23 02:34:54,940 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 [2021-11-23 02:34:54,957 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 [2021-11-23 02:34:55,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:34:55,034 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-23 02:34:55,035 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 [2021-11-23 02:34:55,046 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 [2021-11-23 02:34:55,058 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 [2021-11-23 02:34:55,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:34:55,134 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-23 02:34:55,135 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 [2021-11-23 02:34:55,148 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 [2021-11-23 02:34:55,163 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 [2021-11-23 02:34:55,379 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 34 treesize of output 33 [2021-11-23 02:34:55,421 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 [2021-11-23 02:34:55,424 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 [2021-11-23 02:34:56,146 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 [2021-11-23 02:34:56,150 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 [2021-11-23 02:34:57,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:34:57,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:34:57,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:34:57,329 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 844 treesize of output 816 [2021-11-23 02:34:57,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:34:57,344 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 816 treesize of output 792 [2021-11-23 02:34:57,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:34:57,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:34:57,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:34:57,361 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 [2021-11-23 02:34:58,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:34:58,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:34:58,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:34:58,442 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 844 treesize of output 816 [2021-11-23 02:34:58,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:34:58,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:34:58,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:34:58,458 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 [2021-11-23 02:34:58,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:34:58,472 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 [2021-11-23 02:34:59,170 INFO L354 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2021-11-23 02:34:59,171 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 [2021-11-23 02:34:59,199 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 [2021-11-23 02:34:59,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:34:59,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:34:59,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:34:59,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:34:59,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:34:59,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:34:59,396 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-23 02:34:59,396 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 [2021-11-23 02:34:59,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:34:59,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:34:59,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:34:59,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:34:59,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:34:59,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:34:59,433 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-23 02:34:59,434 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 [2021-11-23 02:34:59,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:34:59,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:34:59,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:34:59,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:34:59,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:34:59,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:34:59,478 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:34:59,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:34:59,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:34:59,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:34:59,491 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:34:59,526 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-23 02:34:59,526 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 [2021-11-23 02:34:59,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:34:59,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:34:59,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:34:59,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:34:59,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:34:59,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:34:59,756 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-23 02:34:59,756 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 [2021-11-23 02:34:59,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:34:59,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:34:59,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:34:59,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:34:59,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:34:59,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:34:59,787 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:34:59,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:34:59,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:34:59,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:34:59,792 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:34:59,815 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-23 02:34:59,816 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 [2021-11-23 02:34:59,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:34:59,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:34:59,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:34:59,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:34:59,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:34:59,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:34:59,869 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-23 02:34:59,870 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 [2021-11-23 02:35:00,013 INFO L354 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2021-11-23 02:35:00,016 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 [2021-11-23 02:35:00,085 INFO L354 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2021-11-23 02:35:00,085 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 [2021-11-23 02:35:00,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:00,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:00,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:00,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:00,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:00,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:00,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:00,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:00,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:00,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:00,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:00,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:00,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:00,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:00,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:00,349 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-23 02:35:00,349 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 [2021-11-23 02:35:00,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:00,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:00,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:00,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:00,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:00,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:00,392 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-23 02:35:00,392 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 [2021-11-23 02:35:00,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:00,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:00,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:00,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:00,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:00,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:00,430 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-23 02:35:00,431 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 [2021-11-23 02:35:00,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:00,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:00,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:00,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:00,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:00,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:00,642 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-23 02:35:00,643 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 [2021-11-23 02:35:00,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:00,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:00,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:00,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:00,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:00,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:00,676 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-23 02:35:00,676 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 [2021-11-23 02:35:00,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:00,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:00,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:00,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:00,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:00,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:00,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:00,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:00,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:00,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:00,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:00,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:00,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:00,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:00,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:00,729 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-23 02:35:00,729 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 [2021-11-23 02:35:01,454 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 [2021-11-23 02:35:02,042 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 [2021-11-23 02:35:02,063 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 [2021-11-23 02:35:02,267 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 [2021-11-23 02:35:02,801 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 [2021-11-23 02:35:02,819 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 [2021-11-23 02:35:57,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:57,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:35:57,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:36:01,640 INFO L354 Elim1Store]: treesize reduction 168, result has 81.8 percent of original size [2021-11-23 02:36:01,641 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 [2021-11-23 02:36:01,930 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-23 02:36:01,931 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 [2021-11-23 02:36:02,190 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-23 02:36:02,192 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 [2021-11-23 02:36:02,277 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-23 02:36:02,278 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 [2021-11-23 02:39:57,843 WARN L227 SmtUtils]: Spent 8.54s on a formula simplification that was a NOOP. DAG size: 639 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)