./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_array_list_ensure_capacity_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_029917b3-74d6-43f6-b4c2-6fb2da1524be/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_029917b3-74d6-43f6-b4c2-6fb2da1524be/bin/utaipan-verify-NcY6lQBIFX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_029917b3-74d6-43f6-b4c2-6fb2da1524be/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_029917b3-74d6-43f6-b4c2-6fb2da1524be/bin/utaipan-verify-NcY6lQBIFX/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_array_list_ensure_capacity_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_029917b3-74d6-43f6-b4c2-6fb2da1524be/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_029917b3-74d6-43f6-b4c2-6fb2da1524be/bin/utaipan-verify-NcY6lQBIFX --witnessprinter.witness.filename witness --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 c12ad62b7b197015493bfb3c1dd9a5de2922d9b16e39f249961c276d8b82591b --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:08:28,041 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:08:28,189 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_029917b3-74d6-43f6-b4c2-6fb2da1524be/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-12 00:08:28,197 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:08:28,198 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 00:08:28,222 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:08:28,223 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 00:08:28,223 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 00:08:28,224 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:08:28,225 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 00:08:28,225 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 00:08:28,226 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 00:08:28,226 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 00:08:28,227 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-12 00:08:28,227 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 00:08:28,228 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 00:08:28,228 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-12 00:08:28,229 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-12 00:08:28,229 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 00:08:28,230 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-12 00:08:28,230 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-12 00:08:28,231 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-12 00:08:28,232 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:08:28,232 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:08:28,233 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 00:08:28,233 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:08:28,234 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:08:28,234 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:08:28,234 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:08:28,235 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:08:28,235 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:08:28,236 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:08:28,236 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 00:08:28,236 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:08:28,237 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:08:28,237 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:08:28,237 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:08:28,237 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-12 00:08:28,237 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 00:08:28,238 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:08:28,238 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 00:08:28,238 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:08:28,239 INFO L153 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_029917b3-74d6-43f6-b4c2-6fb2da1524be/bin/utaipan-verify-NcY6lQBIFX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_029917b3-74d6-43f6-b4c2-6fb2da1524be/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c12ad62b7b197015493bfb3c1dd9a5de2922d9b16e39f249961c276d8b82591b [2023-11-12 00:08:28,580 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:08:28,607 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:08:28,612 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:08:28,614 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:08:28,614 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:08:28,615 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_029917b3-74d6-43f6-b4c2-6fb2da1524be/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/aws-c-common/aws_array_list_ensure_capacity_harness.i [2023-11-12 00:08:31,919 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:08:32,575 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:08:32,576 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_029917b3-74d6-43f6-b4c2-6fb2da1524be/sv-benchmarks/c/aws-c-common/aws_array_list_ensure_capacity_harness.i [2023-11-12 00:08:32,628 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_029917b3-74d6-43f6-b4c2-6fb2da1524be/bin/utaipan-verify-NcY6lQBIFX/data/c46ae02fc/3baa1b158628458083cc6387a377b57a/FLAGdd5975822 [2023-11-12 00:08:32,646 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_029917b3-74d6-43f6-b4c2-6fb2da1524be/bin/utaipan-verify-NcY6lQBIFX/data/c46ae02fc/3baa1b158628458083cc6387a377b57a [2023-11-12 00:08:32,653 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:08:32,654 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:08:32,658 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:08:32,659 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:08:32,664 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:08:32,665 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:08:32" (1/1) ... [2023-11-12 00:08:32,666 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4cf45be8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:32, skipping insertion in model container [2023-11-12 00:08:32,667 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:08:32" (1/1) ... [2023-11-12 00:08:32,797 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:08:33,107 WARN L240 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_029917b3-74d6-43f6-b4c2-6fb2da1524be/sv-benchmarks/c/aws-c-common/aws_array_list_ensure_capacity_harness.i[4504,4517] [2023-11-12 00:08:33,117 WARN L240 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_029917b3-74d6-43f6-b4c2-6fb2da1524be/sv-benchmarks/c/aws-c-common/aws_array_list_ensure_capacity_harness.i[4564,4577] [2023-11-12 00:08:34,492 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:08:34,493 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:08:34,494 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:08:34,495 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:08:34,496 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:08:34,518 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:08:34,519 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:08:34,521 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:08:34,522 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:08:34,540 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:08:34,542 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:08:34,543 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:08:34,543 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:08:35,086 WARN L635 FunctionHandler]: implicit declaration of function __atomic_load_n [2023-11-12 00:08:35,088 WARN L635 FunctionHandler]: implicit declaration of function __atomic_store_n [2023-11-12 00:08:35,089 WARN L635 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2023-11-12 00:08:35,091 WARN L635 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2023-11-12 00:08:35,093 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2023-11-12 00:08:35,095 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2023-11-12 00:08:35,096 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2023-11-12 00:08:35,097 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2023-11-12 00:08:35,098 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2023-11-12 00:08:35,099 WARN L635 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2023-11-12 00:08:35,362 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:08:35,369 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:08:35,375 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:08:35,394 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:08:35,472 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:08:35,475 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:08:35,510 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:08:35,527 WARN L240 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_029917b3-74d6-43f6-b4c2-6fb2da1524be/sv-benchmarks/c/aws-c-common/aws_array_list_ensure_capacity_harness.i[4504,4517] [2023-11-12 00:08:35,527 WARN L240 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_029917b3-74d6-43f6-b4c2-6fb2da1524be/sv-benchmarks/c/aws-c-common/aws_array_list_ensure_capacity_harness.i[4564,4577] [2023-11-12 00:08:35,584 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:08:35,585 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:08:35,585 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:08:35,586 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:08:35,586 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:08:35,594 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:08:35,594 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:08:35,595 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:08:35,596 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:08:35,597 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:08:35,598 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:08:35,599 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:08:35,599 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:08:35,638 WARN L635 FunctionHandler]: implicit declaration of function __atomic_load_n [2023-11-12 00:08:35,639 WARN L635 FunctionHandler]: implicit declaration of function __atomic_store_n [2023-11-12 00:08:35,640 WARN L635 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2023-11-12 00:08:35,641 WARN L635 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2023-11-12 00:08:35,643 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2023-11-12 00:08:35,644 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2023-11-12 00:08:35,644 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2023-11-12 00:08:35,645 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2023-11-12 00:08:35,646 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2023-11-12 00:08:35,647 WARN L635 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2023-11-12 00:08:35,678 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:08:35,678 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:08:35,680 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:08:35,685 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:08:35,692 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7775-7786] [2023-11-12 00:08:35,712 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:08:35,713 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:08:36,035 WARN L672 CHandler]: The function __atomic_fetch_or is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:08:36,035 WARN L672 CHandler]: The function __atomic_fetch_sub is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:08:36,035 WARN L672 CHandler]: The function __atomic_exchange_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:08:36,036 WARN L672 CHandler]: The function __atomic_fetch_xor is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:08:36,036 WARN L672 CHandler]: The function htons is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:08:36,036 WARN L672 CHandler]: The function ntohl is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:08:36,036 WARN L672 CHandler]: The function __atomic_compare_exchange_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:08:36,036 WARN L672 CHandler]: The function __atomic_fetch_add is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:08:36,037 WARN L672 CHandler]: The function fprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:08:36,037 WARN L672 CHandler]: The function htonl is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:08:36,037 WARN L672 CHandler]: The function __atomic_store_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:08:36,037 WARN L672 CHandler]: The function ntohs is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:08:36,037 WARN L672 CHandler]: The function __atomic_load_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:08:36,037 WARN L672 CHandler]: The function __atomic_thread_fence is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:08:36,038 WARN L672 CHandler]: The function __atomic_fetch_and is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:08:36,046 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:08:36,047 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:36 WrapperNode [2023-11-12 00:08:36,047 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:08:36,049 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:08:36,049 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:08:36,049 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:08:36,059 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:36" (1/1) ... [2023-11-12 00:08:36,163 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:36" (1/1) ... [2023-11-12 00:08:36,285 INFO L138 Inliner]: procedures = 690, calls = 1685, calls flagged for inlining = 52, calls inlined = 11, statements flattened = 809 [2023-11-12 00:08:36,286 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:08:36,287 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:08:36,287 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:08:36,287 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:08:36,298 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:36" (1/1) ... [2023-11-12 00:08:36,298 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:36" (1/1) ... [2023-11-12 00:08:36,314 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:36" (1/1) ... [2023-11-12 00:08:36,314 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:36" (1/1) ... [2023-11-12 00:08:36,360 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:36" (1/1) ... [2023-11-12 00:08:36,364 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:36" (1/1) ... [2023-11-12 00:08:36,373 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:36" (1/1) ... [2023-11-12 00:08:36,380 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:36" (1/1) ... [2023-11-12 00:08:36,393 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:08:36,394 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:08:36,394 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:08:36,394 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:08:36,395 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:36" (1/1) ... [2023-11-12 00:08:36,416 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:08:36,434 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_029917b3-74d6-43f6-b4c2-6fb2da1524be/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:08:36,461 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_029917b3-74d6-43f6-b4c2-6fb2da1524be/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 00:08:36,504 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_029917b3-74d6-43f6-b4c2-6fb2da1524be/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 00:08:36,521 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 00:08:36,522 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2023-11-12 00:08:36,522 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2023-11-12 00:08:36,522 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2023-11-12 00:08:36,522 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2023-11-12 00:08:36,522 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2023-11-12 00:08:36,523 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2023-11-12 00:08:36,523 INFO L130 BoogieDeclarations]: Found specification of procedure aws_allocator_is_valid [2023-11-12 00:08:36,523 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_allocator_is_valid [2023-11-12 00:08:36,523 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-12 00:08:36,523 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2023-11-12 00:08:36,523 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2023-11-12 00:08:36,524 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-12 00:08:36,524 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-12 00:08:36,525 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-12 00:08:36,525 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:08:36,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-12 00:08:36,526 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2023-11-12 00:08:36,527 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2023-11-12 00:08:36,527 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:08:36,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:08:36,528 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2023-11-12 00:08:36,528 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2023-11-12 00:08:36,528 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2023-11-12 00:08:36,528 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2023-11-12 00:08:36,529 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2023-11-12 00:08:36,530 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2023-11-12 00:08:36,530 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2023-11-12 00:08:36,530 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2023-11-12 00:08:36,530 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_release [2023-11-12 00:08:36,530 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_release [2023-11-12 00:08:36,530 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 00:08:36,531 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 00:08:36,531 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2023-11-12 00:08:36,531 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2023-11-12 00:08:36,531 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_acquire [2023-11-12 00:08:36,532 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_acquire [2023-11-12 00:08:36,532 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 00:08:36,532 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2023-11-12 00:08:36,532 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2023-11-12 00:08:36,533 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-12 00:08:36,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-12 00:08:36,533 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2023-11-12 00:08:36,533 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2023-11-12 00:08:36,533 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2023-11-12 00:08:36,533 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2023-11-12 00:08:36,534 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2023-11-12 00:08:36,534 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2023-11-12 00:08:36,534 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_ensure_capacity [2023-11-12 00:08:36,534 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_ensure_capacity [2023-11-12 00:08:36,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-12 00:08:36,536 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2023-11-12 00:08:36,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2023-11-12 00:08:36,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 00:08:36,929 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:08:36,935 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:08:38,374 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:08:38,657 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:08:38,657 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-12 00:08:38,662 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:08:38 BoogieIcfgContainer [2023-11-12 00:08:38,663 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:08:38,666 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 00:08:38,666 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 00:08:38,670 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 00:08:38,671 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:08:32" (1/3) ... [2023-11-12 00:08:38,672 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b60796c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:08:38, skipping insertion in model container [2023-11-12 00:08:38,672 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:36" (2/3) ... [2023-11-12 00:08:38,674 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b60796c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:08:38, skipping insertion in model container [2023-11-12 00:08:38,675 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:08:38" (3/3) ... [2023-11-12 00:08:38,676 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_array_list_ensure_capacity_harness.i [2023-11-12 00:08:38,700 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 00:08:38,700 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 00:08:38,781 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 00:08:38,795 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@154f0deb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-12 00:08:38,796 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 00:08:38,803 INFO L276 IsEmpty]: Start isEmpty. Operand has 207 states, 111 states have (on average 1.2072072072072073) internal successors, (134), 112 states have internal predecessors, (134), 73 states have call successors, (73), 21 states have call predecessors, (73), 21 states have return successors, (73), 73 states have call predecessors, (73), 73 states have call successors, (73) [2023-11-12 00:08:38,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-11-12 00:08:38,824 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:08:38,825 INFO L195 NwaCegarLoop]: trace histogram [5, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:08:38,825 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:08:38,843 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:08:38,844 INFO L85 PathProgramCache]: Analyzing trace with hash -977343462, now seen corresponding path program 1 times [2023-11-12 00:08:38,857 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:08:38,857 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [911411634] [2023-11-12 00:08:38,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:08:38,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:08:39,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:08:40,161 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2023-11-12 00:08:40,162 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:08:40,162 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [911411634] [2023-11-12 00:08:40,163 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [911411634] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-12 00:08:40,165 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1233583749] [2023-11-12 00:08:40,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:08:40,166 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 00:08:40,166 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_029917b3-74d6-43f6-b4c2-6fb2da1524be/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:08:40,172 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_029917b3-74d6-43f6-b4c2-6fb2da1524be/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 00:08:40,200 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_029917b3-74d6-43f6-b4c2-6fb2da1524be/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-12 00:08:40,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:08:40,903 INFO L262 TraceCheckSpWp]: Trace formula consists of 2221 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-12 00:08:40,914 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:08:41,052 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-12 00:08:41,052 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 00:08:41,053 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1233583749] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:08:41,053 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-12 00:08:41,053 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 8 [2023-11-12 00:08:41,059 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1888505897] [2023-11-12 00:08:41,060 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:08:41,069 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-12 00:08:41,070 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:08:41,114 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-12 00:08:41,117 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2023-11-12 00:08:41,122 INFO L87 Difference]: Start difference. First operand has 207 states, 111 states have (on average 1.2072072072072073) internal successors, (134), 112 states have internal predecessors, (134), 73 states have call successors, (73), 21 states have call predecessors, (73), 21 states have return successors, (73), 73 states have call predecessors, (73), 73 states have call successors, (73) 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, (16), 2 states have call predecessors, (16), 3 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2023-11-12 00:08:41,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:08:41,876 INFO L93 Difference]: Finished difference Result 393 states and 562 transitions. [2023-11-12 00:08:41,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-12 00:08:41,880 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, (16), 2 states have call predecessors, (16), 3 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) Word has length 71 [2023-11-12 00:08:41,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:08:41,895 INFO L225 Difference]: With dead ends: 393 [2023-11-12 00:08:41,895 INFO L226 Difference]: Without dead ends: 201 [2023-11-12 00:08:41,904 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2023-11-12 00:08:41,913 INFO L413 NwaCegarLoop]: 236 mSDtfsCounter, 29 mSDsluCounter, 644 mSDsCounter, 0 mSdLazyCounter, 184 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 880 SdHoareTripleChecker+Invalid, 185 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 184 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-12 00:08:41,917 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 880 Invalid, 185 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 184 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-12 00:08:41,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 201 states. [2023-11-12 00:08:42,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 201 to 201. [2023-11-12 00:08:42,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 201 states, 106 states have (on average 1.179245283018868) internal successors, (125), 109 states have internal predecessors, (125), 73 states have call successors, (73), 21 states have call predecessors, (73), 21 states have return successors, (80), 70 states have call predecessors, (80), 70 states have call successors, (80) [2023-11-12 00:08:42,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 201 states and 278 transitions. [2023-11-12 00:08:42,070 INFO L78 Accepts]: Start accepts. Automaton has 201 states and 278 transitions. Word has length 71 [2023-11-12 00:08:42,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:08:42,072 INFO L495 AbstractCegarLoop]: Abstraction has 201 states and 278 transitions. [2023-11-12 00:08:42,072 INFO L496 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, (16), 2 states have call predecessors, (16), 3 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2023-11-12 00:08:42,073 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 278 transitions. [2023-11-12 00:08:42,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2023-11-12 00:08:42,087 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:08:42,087 INFO L195 NwaCegarLoop]: trace histogram [5, 4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:08:42,105 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_029917b3-74d6-43f6-b4c2-6fb2da1524be/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-11-12 00:08:42,300 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_029917b3-74d6-43f6-b4c2-6fb2da1524be/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-12 00:08:42,300 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:08:42,301 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:08:42,301 INFO L85 PathProgramCache]: Analyzing trace with hash 591553231, now seen corresponding path program 1 times [2023-11-12 00:08:42,301 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:08:42,301 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1412899745] [2023-11-12 00:08:42,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:08:42,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:08:42,458 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-12 00:08:42,458 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [973074491] [2023-11-12 00:08:42,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:08:42,459 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 00:08:42,459 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_029917b3-74d6-43f6-b4c2-6fb2da1524be/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:08:42,461 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_029917b3-74d6-43f6-b4c2-6fb2da1524be/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 00:08:42,492 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_029917b3-74d6-43f6-b4c2-6fb2da1524be/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-12 00:08:43,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:08:43,142 INFO L262 TraceCheckSpWp]: Trace formula consists of 2353 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-12 00:08:43,153 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:08:43,231 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-11-12 00:08:43,232 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 00:08:43,232 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:08:43,232 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1412899745] [2023-11-12 00:08:43,232 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-12 00:08:43,232 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [973074491] [2023-11-12 00:08:43,233 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [973074491] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:08:43,233 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:08:43,233 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-12 00:08:43,233 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1321269899] [2023-11-12 00:08:43,233 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:08:43,235 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-12 00:08:43,235 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:08:43,236 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-12 00:08:43,236 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-12 00:08:43,236 INFO L87 Difference]: Start difference. First operand 201 states and 278 transitions. Second operand has 7 states, 6 states have (on average 6.666666666666667) internal successors, (40), 6 states have internal predecessors, (40), 4 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (16), 3 states have call predecessors, (16), 4 states have call successors, (16) [2023-11-12 00:08:44,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:08:44,340 INFO L93 Difference]: Finished difference Result 370 states and 510 transitions. [2023-11-12 00:08:44,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-12 00:08:44,342 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 6.666666666666667) internal successors, (40), 6 states have internal predecessors, (40), 4 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (16), 3 states have call predecessors, (16), 4 states have call successors, (16) Word has length 80 [2023-11-12 00:08:44,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:08:44,347 INFO L225 Difference]: With dead ends: 370 [2023-11-12 00:08:44,347 INFO L226 Difference]: Without dead ends: 201 [2023-11-12 00:08:44,349 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2023-11-12 00:08:44,350 INFO L413 NwaCegarLoop]: 215 mSDtfsCounter, 94 mSDsluCounter, 930 mSDsCounter, 0 mSdLazyCounter, 283 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 107 SdHoareTripleChecker+Valid, 1145 SdHoareTripleChecker+Invalid, 350 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 283 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-11-12 00:08:44,351 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [107 Valid, 1145 Invalid, 350 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 283 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-11-12 00:08:44,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 201 states. [2023-11-12 00:08:44,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 201 to 201. [2023-11-12 00:08:44,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 201 states, 106 states have (on average 1.179245283018868) internal successors, (125), 109 states have internal predecessors, (125), 73 states have call successors, (73), 21 states have call predecessors, (73), 21 states have return successors, (74), 70 states have call predecessors, (74), 70 states have call successors, (74) [2023-11-12 00:08:44,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 201 states and 272 transitions. [2023-11-12 00:08:44,387 INFO L78 Accepts]: Start accepts. Automaton has 201 states and 272 transitions. Word has length 80 [2023-11-12 00:08:44,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:08:44,388 INFO L495 AbstractCegarLoop]: Abstraction has 201 states and 272 transitions. [2023-11-12 00:08:44,389 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 6.666666666666667) internal successors, (40), 6 states have internal predecessors, (40), 4 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (16), 3 states have call predecessors, (16), 4 states have call successors, (16) [2023-11-12 00:08:44,389 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 272 transitions. [2023-11-12 00:08:44,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2023-11-12 00:08:44,391 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:08:44,392 INFO L195 NwaCegarLoop]: trace histogram [5, 4, 4, 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] [2023-11-12 00:08:44,415 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_029917b3-74d6-43f6-b4c2-6fb2da1524be/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-12 00:08:44,604 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_029917b3-74d6-43f6-b4c2-6fb2da1524be/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 00:08:44,604 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:08:44,605 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:08:44,605 INFO L85 PathProgramCache]: Analyzing trace with hash 1447062450, now seen corresponding path program 2 times [2023-11-12 00:08:44,605 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:08:44,606 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [598587041] [2023-11-12 00:08:44,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:08:44,606 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:08:44,798 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-12 00:08:44,802 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [493334924] [2023-11-12 00:08:44,804 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-11-12 00:08:44,808 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 00:08:44,808 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_029917b3-74d6-43f6-b4c2-6fb2da1524be/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:08:44,810 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_029917b3-74d6-43f6-b4c2-6fb2da1524be/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 00:08:44,836 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_029917b3-74d6-43f6-b4c2-6fb2da1524be/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-12 00:08:45,418 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2023-11-12 00:08:45,418 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-12 00:08:45,428 INFO L262 TraceCheckSpWp]: Trace formula consists of 1906 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-12 00:08:45,435 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:08:45,484 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2023-11-12 00:08:45,486 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 00:08:45,486 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:08:45,487 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [598587041] [2023-11-12 00:08:45,487 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-12 00:08:45,487 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [493334924] [2023-11-12 00:08:45,487 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [493334924] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:08:45,488 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:08:45,488 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-12 00:08:45,488 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [999912770] [2023-11-12 00:08:45,488 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:08:45,490 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-12 00:08:45,490 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:08:45,491 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-12 00:08:45,492 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-12 00:08:45,492 INFO L87 Difference]: Start difference. First operand 201 states and 272 transitions. Second operand has 5 states, 4 states have (on average 9.25) internal successors, (37), 5 states have internal predecessors, (37), 2 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (16), 3 states have call predecessors, (16), 2 states have call successors, (16) [2023-11-12 00:08:46,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:08:46,139 INFO L93 Difference]: Finished difference Result 348 states and 463 transitions. [2023-11-12 00:08:46,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-12 00:08:46,139 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 9.25) internal successors, (37), 5 states have internal predecessors, (37), 2 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (16), 3 states have call predecessors, (16), 2 states have call successors, (16) Word has length 89 [2023-11-12 00:08:46,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:08:46,145 INFO L225 Difference]: With dead ends: 348 [2023-11-12 00:08:46,146 INFO L226 Difference]: Without dead ends: 205 [2023-11-12 00:08:46,147 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-12 00:08:46,150 INFO L413 NwaCegarLoop]: 243 mSDtfsCounter, 1 mSDsluCounter, 723 mSDsCounter, 0 mSdLazyCounter, 101 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 966 SdHoareTripleChecker+Invalid, 101 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 101 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-12 00:08:46,151 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 966 Invalid, 101 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 101 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-12 00:08:46,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 205 states. [2023-11-12 00:08:46,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 205 to 205. [2023-11-12 00:08:46,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 205 states, 109 states have (on average 1.1743119266055047) internal successors, (128), 112 states have internal predecessors, (128), 73 states have call successors, (73), 21 states have call predecessors, (73), 22 states have return successors, (75), 71 states have call predecessors, (75), 70 states have call successors, (75) [2023-11-12 00:08:46,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 276 transitions. [2023-11-12 00:08:46,192 INFO L78 Accepts]: Start accepts. Automaton has 205 states and 276 transitions. Word has length 89 [2023-11-12 00:08:46,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:08:46,194 INFO L495 AbstractCegarLoop]: Abstraction has 205 states and 276 transitions. [2023-11-12 00:08:46,194 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 9.25) internal successors, (37), 5 states have internal predecessors, (37), 2 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (16), 3 states have call predecessors, (16), 2 states have call successors, (16) [2023-11-12 00:08:46,194 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 276 transitions. [2023-11-12 00:08:46,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2023-11-12 00:08:46,197 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:08:46,197 INFO L195 NwaCegarLoop]: trace histogram [5, 4, 4, 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] [2023-11-12 00:08:46,207 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_029917b3-74d6-43f6-b4c2-6fb2da1524be/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-12 00:08:46,407 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_029917b3-74d6-43f6-b4c2-6fb2da1524be/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 00:08:46,407 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:08:46,407 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:08:46,408 INFO L85 PathProgramCache]: Analyzing trace with hash -109416090, now seen corresponding path program 1 times [2023-11-12 00:08:46,408 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:08:46,408 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [485994211] [2023-11-12 00:08:46,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:08:46,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:08:46,535 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-12 00:08:46,536 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [173480975] [2023-11-12 00:08:46,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:08:46,536 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 00:08:46,537 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_029917b3-74d6-43f6-b4c2-6fb2da1524be/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:08:46,538 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_029917b3-74d6-43f6-b4c2-6fb2da1524be/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 00:08:46,565 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_029917b3-74d6-43f6-b4c2-6fb2da1524be/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-12 00:08:47,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:08:47,269 INFO L262 TraceCheckSpWp]: Trace formula consists of 2484 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-12 00:08:47,276 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:08:47,380 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2023-11-12 00:08:47,380 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 00:08:47,380 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:08:47,380 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [485994211] [2023-11-12 00:08:47,381 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-12 00:08:47,381 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [173480975] [2023-11-12 00:08:47,381 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [173480975] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:08:47,381 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:08:47,381 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-12 00:08:47,382 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [37321911] [2023-11-12 00:08:47,382 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:08:47,383 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-12 00:08:47,383 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:08:47,384 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-12 00:08:47,384 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-11-12 00:08:47,385 INFO L87 Difference]: Start difference. First operand 205 states and 276 transitions. Second operand has 8 states, 7 states have (on average 6.0) internal successors, (42), 7 states have internal predecessors, (42), 5 states have call successors, (19), 3 states have call predecessors, (19), 3 states have return successors, (17), 4 states have call predecessors, (17), 5 states have call successors, (17) [2023-11-12 00:08:48,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:08:48,183 INFO L93 Difference]: Finished difference Result 375 states and 501 transitions. [2023-11-12 00:08:48,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-12 00:08:48,184 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 6.0) internal successors, (42), 7 states have internal predecessors, (42), 5 states have call successors, (19), 3 states have call predecessors, (19), 3 states have return successors, (17), 4 states have call predecessors, (17), 5 states have call successors, (17) Word has length 93 [2023-11-12 00:08:48,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:08:48,186 INFO L225 Difference]: With dead ends: 375 [2023-11-12 00:08:48,186 INFO L226 Difference]: Without dead ends: 203 [2023-11-12 00:08:48,187 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2023-11-12 00:08:48,188 INFO L413 NwaCegarLoop]: 214 mSDtfsCounter, 104 mSDsluCounter, 1125 mSDsCounter, 0 mSdLazyCounter, 335 mSolverCounterSat, 65 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 117 SdHoareTripleChecker+Valid, 1339 SdHoareTripleChecker+Invalid, 400 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 65 IncrementalHoareTripleChecker+Valid, 335 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-11-12 00:08:48,188 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [117 Valid, 1339 Invalid, 400 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [65 Valid, 335 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-11-12 00:08:48,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 203 states. [2023-11-12 00:08:48,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 203 to 203. [2023-11-12 00:08:48,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 203 states, 108 states have (on average 1.1666666666666667) internal successors, (126), 110 states have internal predecessors, (126), 73 states have call successors, (73), 21 states have call predecessors, (73), 21 states have return successors, (71), 71 states have call predecessors, (71), 70 states have call successors, (71) [2023-11-12 00:08:48,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 270 transitions. [2023-11-12 00:08:48,205 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 270 transitions. Word has length 93 [2023-11-12 00:08:48,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:08:48,206 INFO L495 AbstractCegarLoop]: Abstraction has 203 states and 270 transitions. [2023-11-12 00:08:48,206 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 6.0) internal successors, (42), 7 states have internal predecessors, (42), 5 states have call successors, (19), 3 states have call predecessors, (19), 3 states have return successors, (17), 4 states have call predecessors, (17), 5 states have call successors, (17) [2023-11-12 00:08:48,206 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 270 transitions. [2023-11-12 00:08:48,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2023-11-12 00:08:48,208 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:08:48,208 INFO L195 NwaCegarLoop]: trace histogram [5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:08:48,223 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_029917b3-74d6-43f6-b4c2-6fb2da1524be/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-11-12 00:08:48,418 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_029917b3-74d6-43f6-b4c2-6fb2da1524be/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 00:08:48,419 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:08:48,419 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:08:48,419 INFO L85 PathProgramCache]: Analyzing trace with hash 1593599012, now seen corresponding path program 1 times [2023-11-12 00:08:48,419 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:08:48,420 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2004576449] [2023-11-12 00:08:48,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:08:48,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:08:48,529 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-12 00:08:48,529 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1510314791] [2023-11-12 00:08:48,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:08:48,530 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 00:08:48,530 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_029917b3-74d6-43f6-b4c2-6fb2da1524be/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:08:48,531 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_029917b3-74d6-43f6-b4c2-6fb2da1524be/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 00:08:48,556 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_029917b3-74d6-43f6-b4c2-6fb2da1524be/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-12 00:08:50,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:08:50,746 INFO L262 TraceCheckSpWp]: Trace formula consists of 2748 conjuncts, 367 conjunts are in the unsatisfiable core [2023-11-12 00:08:50,787 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:08:50,841 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-11-12 00:08:51,604 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2023-11-12 00:08:51,614 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2023-11-12 00:08:52,185 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-12 00:08:54,074 INFO L322 Elim1Store]: treesize reduction 146, result has 31.5 percent of original size [2023-11-12 00:08:54,075 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 13 case distinctions, treesize of input 105 treesize of output 180 [2023-11-12 00:08:54,128 INFO L322 Elim1Store]: treesize reduction 38, result has 11.6 percent of original size [2023-11-12 00:08:54,129 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 73 treesize of output 93 [2023-11-12 00:08:54,179 INFO L322 Elim1Store]: treesize reduction 38, result has 11.6 percent of original size [2023-11-12 00:08:54,179 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 63 treesize of output 83 [2023-11-12 00:08:55,229 INFO L322 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2023-11-12 00:08:55,229 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 21 treesize of output 5 [2023-11-12 00:08:55,318 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-12 00:08:55,319 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 5 [2023-11-12 00:08:55,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-12 00:08:55,381 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 5 [2023-11-12 00:08:55,531 INFO L322 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2023-11-12 00:08:55,531 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 21 treesize of output 5 [2023-11-12 00:08:55,596 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-12 00:08:55,597 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 5 [2023-11-12 00:08:55,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-12 00:08:55,698 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 5 [2023-11-12 00:08:56,175 INFO L322 Elim1Store]: treesize reduction 51, result has 20.3 percent of original size [2023-11-12 00:08:56,175 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 7 case distinctions, treesize of input 38 treesize of output 26 [2023-11-12 00:08:56,245 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-12 00:08:56,246 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-12 00:08:56,250 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 11 [2023-11-12 00:08:58,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-12 00:08:59,097 INFO L322 Elim1Store]: treesize reduction 373, result has 30.9 percent of original size [2023-11-12 00:08:59,098 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 1 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 42 case distinctions, treesize of input 569 treesize of output 667 [2023-11-12 00:08:59,985 INFO L322 Elim1Store]: treesize reduction 254, result has 29.1 percent of original size [2023-11-12 00:08:59,986 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 35 case distinctions, treesize of input 559 treesize of output 601 [2023-11-12 00:09:06,066 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 349 treesize of output 467 [2023-11-12 00:09:09,478 INFO L322 Elim1Store]: treesize reduction 1013, result has 15.7 percent of original size [2023-11-12 00:09:09,479 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 4 stores, 9 select indices, 9 select index equivalence classes, 2 disjoint index pairs (out of 36 index pairs), introduced 13 new quantified variables, introduced 68 case distinctions, treesize of input 303 treesize of output 578 [2023-11-12 00:09:10,218 INFO L322 Elim1Store]: treesize reduction 166, result has 6.2 percent of original size [2023-11-12 00:09:10,219 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 234 treesize of output 326 [2023-11-12 00:09:10,585 INFO L217 Elim1Store]: Index analysis took 149 ms [2023-11-12 00:09:11,085 INFO L322 Elim1Store]: treesize reduction 166, result has 6.2 percent of original size [2023-11-12 00:09:11,085 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 214 treesize of output 306