./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_hash_table_move_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8393723b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_679102f3-4a57-45cf-ad4a-83d3f2a925e7/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_679102f3-4a57-45cf-ad4a-83d3f2a925e7/bin/utaipan-I9t0OCRTmS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_679102f3-4a57-45cf-ad4a-83d3f2a925e7/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_679102f3-4a57-45cf-ad4a-83d3f2a925e7/bin/utaipan-I9t0OCRTmS/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_hash_table_move_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_679102f3-4a57-45cf-ad4a-83d3f2a925e7/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_679102f3-4a57-45cf-ad4a-83d3f2a925e7/bin/utaipan-I9t0OCRTmS --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 ba6eb72b2235d93ac0dcdd3f0e672793184c4cf65112c581319750a174c5bca8 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-8393723 [2022-11-19 07:42:44,725 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 07:42:44,730 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 07:42:44,755 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 07:42:44,755 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 07:42:44,756 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 07:42:44,758 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 07:42:44,760 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 07:42:44,762 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 07:42:44,763 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 07:42:44,764 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 07:42:44,765 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 07:42:44,766 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 07:42:44,767 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 07:42:44,768 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 07:42:44,770 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 07:42:44,771 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 07:42:44,772 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 07:42:44,774 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 07:42:44,776 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 07:42:44,778 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 07:42:44,779 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 07:42:44,781 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 07:42:44,782 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 07:42:44,786 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 07:42:44,792 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 07:42:44,792 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 07:42:44,793 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 07:42:44,793 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 07:42:44,794 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 07:42:44,795 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 07:42:44,795 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 07:42:44,796 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 07:42:44,797 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 07:42:44,798 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 07:42:44,798 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 07:42:44,799 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 07:42:44,799 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 07:42:44,799 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 07:42:44,800 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 07:42:44,801 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 07:42:44,806 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_679102f3-4a57-45cf-ad4a-83d3f2a925e7/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-19 07:42:44,846 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 07:42:44,846 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 07:42:44,847 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 07:42:44,847 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 07:42:44,847 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 07:42:44,848 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 07:42:44,848 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 07:42:44,848 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 07:42:44,848 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 07:42:44,848 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-19 07:42:44,849 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 07:42:44,849 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 07:42:44,849 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-19 07:42:44,849 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-19 07:42:44,849 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 07:42:44,850 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-19 07:42:44,850 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-19 07:42:44,850 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-19 07:42:44,851 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 07:42:44,851 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-19 07:42:44,851 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 07:42:44,851 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-19 07:42:44,851 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 07:42:44,851 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-19 07:42:44,861 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-19 07:42:44,861 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 07:42:44,862 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-19 07:42:44,862 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 07:42:44,863 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 07:42:44,863 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 07:42:44,863 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 07:42:44,863 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-19 07:42:44,863 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 07:42:44,864 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-19 07:42:44,864 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-19 07:42:44,864 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-19 07:42:44,865 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-19 07:42:44,865 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 07:42:44,865 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_679102f3-4a57-45cf-ad4a-83d3f2a925e7/bin/utaipan-I9t0OCRTmS/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_679102f3-4a57-45cf-ad4a-83d3f2a925e7/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ba6eb72b2235d93ac0dcdd3f0e672793184c4cf65112c581319750a174c5bca8 [2022-11-19 07:42:45,154 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 07:42:45,183 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 07:42:45,186 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 07:42:45,188 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 07:42:45,189 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 07:42:45,190 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_679102f3-4a57-45cf-ad4a-83d3f2a925e7/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/aws-c-common/aws_hash_table_move_harness.i [2022-11-19 07:42:45,284 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_679102f3-4a57-45cf-ad4a-83d3f2a925e7/bin/utaipan-I9t0OCRTmS/data/98548cc6e/e75d1193125d43838d5eda53146efa8e/FLAGbc064acc6 [2022-11-19 07:42:46,316 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 07:42:46,320 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_679102f3-4a57-45cf-ad4a-83d3f2a925e7/sv-benchmarks/c/aws-c-common/aws_hash_table_move_harness.i [2022-11-19 07:42:46,386 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_679102f3-4a57-45cf-ad4a-83d3f2a925e7/bin/utaipan-I9t0OCRTmS/data/98548cc6e/e75d1193125d43838d5eda53146efa8e/FLAGbc064acc6 [2022-11-19 07:42:46,674 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_679102f3-4a57-45cf-ad4a-83d3f2a925e7/bin/utaipan-I9t0OCRTmS/data/98548cc6e/e75d1193125d43838d5eda53146efa8e [2022-11-19 07:42:46,677 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 07:42:46,681 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 07:42:46,684 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 07:42:46,684 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 07:42:46,688 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 07:42:46,689 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:42:46" (1/1) ... [2022-11-19 07:42:46,690 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d14e1f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:46, skipping insertion in model container [2022-11-19 07:42:46,690 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:42:46" (1/1) ... [2022-11-19 07:42:46,700 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 07:42:46,898 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 07:42:47,270 WARN L234 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_679102f3-4a57-45cf-ad4a-83d3f2a925e7/sv-benchmarks/c/aws-c-common/aws_hash_table_move_harness.i[4493,4506] [2022-11-19 07:42:47,279 WARN L234 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_679102f3-4a57-45cf-ad4a-83d3f2a925e7/sv-benchmarks/c/aws-c-common/aws_hash_table_move_harness.i[4553,4566] [2022-11-19 07:42:48,546 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 07:42:48,547 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 07:42:48,548 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 07:42:48,549 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 07:42:48,550 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 07:42:48,565 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 07:42:48,566 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 07:42:48,568 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 07:42:48,569 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 07:42:48,571 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 07:42:48,572 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 07:42:48,573 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 07:42:48,574 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 07:42:49,101 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-19 07:42:49,103 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-19 07:42:49,104 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-19 07:42:49,106 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-19 07:42:49,108 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-19 07:42:49,109 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-19 07:42:49,110 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-19 07:42:49,111 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-19 07:42:49,112 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-19 07:42:49,113 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-19 07:42:49,366 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-19 07:42:49,782 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 07:42:49,782 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 07:42:49,820 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 07:42:49,822 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 07:42:49,830 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 07:42:49,830 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 07:42:49,852 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 07:42:49,854 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 07:42:49,855 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 07:42:49,855 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 07:42:49,856 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 07:42:49,856 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 07:42:49,857 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 07:42:49,919 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 07:42:49,977 INFO L203 MainTranslator]: Completed pre-run [2022-11-19 07:42:50,008 WARN L234 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_679102f3-4a57-45cf-ad4a-83d3f2a925e7/sv-benchmarks/c/aws-c-common/aws_hash_table_move_harness.i[4493,4506] [2022-11-19 07:42:50,009 WARN L234 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_679102f3-4a57-45cf-ad4a-83d3f2a925e7/sv-benchmarks/c/aws-c-common/aws_hash_table_move_harness.i[4553,4566] [2022-11-19 07:42:50,072 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 07:42:50,072 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 07:42:50,073 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 07:42:50,073 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 07:42:50,074 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 07:42:50,085 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 07:42:50,086 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 07:42:50,088 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 07:42:50,089 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 07:42:50,092 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 07:42:50,093 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 07:42:50,094 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 07:42:50,094 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 07:42:50,131 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-19 07:42:50,132 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-19 07:42:50,133 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-19 07:42:50,134 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-19 07:42:50,135 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-19 07:42:50,136 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-19 07:42:50,137 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-19 07:42:50,137 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-19 07:42:50,138 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-19 07:42:50,138 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-19 07:42:50,168 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-19 07:42:50,317 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 07:42:50,318 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 07:42:50,327 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 07:42:50,329 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 07:42:50,334 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 07:42:50,334 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 07:42:50,347 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 07:42:50,348 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 07:42:50,348 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 07:42:50,349 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 07:42:50,349 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 07:42:50,350 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 07:42:50,350 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 07:42:50,373 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 07:42:50,897 INFO L208 MainTranslator]: Completed translation [2022-11-19 07:42:50,898 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:50 WrapperNode [2022-11-19 07:42:50,898 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 07:42:50,900 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-19 07:42:50,900 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-19 07:42:50,901 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-19 07:42:50,909 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:50" (1/1) ... [2022-11-19 07:42:51,014 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:50" (1/1) ... [2022-11-19 07:42:51,090 INFO L138 Inliner]: procedures = 774, calls = 2431, calls flagged for inlining = 69, calls inlined = 12, statements flattened = 621 [2022-11-19 07:42:51,091 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-19 07:42:51,092 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-19 07:42:51,092 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-19 07:42:51,092 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-19 07:42:51,101 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:50" (1/1) ... [2022-11-19 07:42:51,102 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:50" (1/1) ... [2022-11-19 07:42:51,113 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:50" (1/1) ... [2022-11-19 07:42:51,113 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:50" (1/1) ... [2022-11-19 07:42:51,154 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:50" (1/1) ... [2022-11-19 07:42:51,178 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:50" (1/1) ... [2022-11-19 07:42:51,184 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:50" (1/1) ... [2022-11-19 07:42:51,187 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:50" (1/1) ... [2022-11-19 07:42:51,195 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-19 07:42:51,204 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-19 07:42:51,204 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-19 07:42:51,204 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-19 07:42:51,205 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:50" (1/1) ... [2022-11-19 07:42:51,227 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 07:42:51,239 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_679102f3-4a57-45cf-ad4a-83d3f2a925e7/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:42:51,257 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_679102f3-4a57-45cf-ad4a-83d3f2a925e7/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-19 07:42:51,284 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_679102f3-4a57-45cf-ad4a-83d3f2a925e7/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-19 07:42:51,316 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2022-11-19 07:42:51,316 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-19 07:42:51,316 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2022-11-19 07:42:51,317 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2022-11-19 07:42:51,317 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-11-19 07:42:51,317 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-11-19 07:42:51,318 INFO L130 BoogieDeclarations]: Found specification of procedure hash_table_state_is_valid [2022-11-19 07:42:51,318 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_table_state_is_valid [2022-11-19 07:42:51,318 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-19 07:42:51,318 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-19 07:42:51,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-19 07:42:51,319 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-19 07:42:51,319 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-19 07:42:51,319 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2022-11-19 07:42:51,319 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2022-11-19 07:42:51,320 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2022-11-19 07:42:51,320 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2022-11-19 07:42:51,320 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-19 07:42:51,320 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-19 07:42:51,321 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-19 07:42:51,321 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2022-11-19 07:42:51,321 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2022-11-19 07:42:51,321 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-19 07:42:51,321 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2022-11-19 07:42:51,321 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2022-11-19 07:42:51,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-19 07:42:51,322 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_power_of_two [2022-11-19 07:42:51,322 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_power_of_two [2022-11-19 07:42:51,322 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-19 07:42:51,323 INFO L130 BoogieDeclarations]: Found specification of procedure hash_table_state_required_bytes [2022-11-19 07:42:51,323 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_table_state_required_bytes [2022-11-19 07:42:51,323 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-19 07:42:51,323 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-19 07:42:51,324 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hash_table_is_valid [2022-11-19 07:42:51,325 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hash_table_is_valid [2022-11-19 07:42:51,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-19 07:42:51,328 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2022-11-19 07:42:51,328 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2022-11-19 07:42:51,328 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2022-11-19 07:42:51,329 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2022-11-19 07:42:51,329 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-19 07:42:51,749 INFO L235 CfgBuilder]: Building ICFG [2022-11-19 07:42:51,751 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-19 07:42:52,963 INFO L276 CfgBuilder]: Performing block encoding [2022-11-19 07:42:53,134 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-19 07:42:53,134 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-19 07:42:53,138 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:42:53 BoogieIcfgContainer [2022-11-19 07:42:53,139 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-19 07:42:53,143 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-19 07:42:53,144 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-19 07:42:53,147 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-19 07:42:53,148 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:42:46" (1/3) ... [2022-11-19 07:42:53,148 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@221ba2b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:42:53, skipping insertion in model container [2022-11-19 07:42:53,149 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:50" (2/3) ... [2022-11-19 07:42:53,149 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@221ba2b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:42:53, skipping insertion in model container [2022-11-19 07:42:53,149 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:42:53" (3/3) ... [2022-11-19 07:42:53,151 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_hash_table_move_harness.i [2022-11-19 07:42:53,177 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-19 07:42:53,177 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-19 07:42:53,255 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-19 07:42:53,270 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@5fc3923b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-19 07:42:53,270 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-19 07:42:53,274 INFO L276 IsEmpty]: Start isEmpty. Operand has 101 states, 54 states have (on average 1.1851851851851851) internal successors, (64), 54 states have internal predecessors, (64), 32 states have call successors, (32), 14 states have call predecessors, (32), 14 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2022-11-19 07:42:53,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2022-11-19 07:42:53,289 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:42:53,290 INFO L195 NwaCegarLoop]: trace histogram [10, 3, 3, 3, 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] [2022-11-19 07:42:53,290 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:42:53,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:42:53,297 INFO L85 PathProgramCache]: Analyzing trace with hash -1806303517, now seen corresponding path program 1 times [2022-11-19 07:42:53,307 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:42:53,307 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1816829951] [2022-11-19 07:42:53,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:42:53,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:42:53,722 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-19 07:42:53,722 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [509877199] [2022-11-19 07:42:53,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:42:53,723 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:42:53,723 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_679102f3-4a57-45cf-ad4a-83d3f2a925e7/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:42:53,726 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_679102f3-4a57-45cf-ad4a-83d3f2a925e7/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 07:42:53,756 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_679102f3-4a57-45cf-ad4a-83d3f2a925e7/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-19 07:42:54,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:42:54,429 INFO L263 TraceCheckSpWp]: Trace formula consists of 2387 conjuncts, 1 conjunts are in the unsatisfiable core [2022-11-19 07:42:54,443 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 07:42:54,514 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2022-11-19 07:42:54,514 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 07:42:54,515 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:42:54,515 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1816829951] [2022-11-19 07:42:54,515 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-19 07:42:54,515 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [509877199] [2022-11-19 07:42:54,516 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [509877199] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:42:54,516 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:42:54,516 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-19 07:42:54,519 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1635141549] [2022-11-19 07:42:54,520 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:42:54,525 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-19 07:42:54,525 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:42:54,568 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-19 07:42:54,569 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-19 07:42:54,572 INFO L87 Difference]: Start difference. First operand has 101 states, 54 states have (on average 1.1851851851851851) internal successors, (64), 54 states have internal predecessors, (64), 32 states have call successors, (32), 14 states have call predecessors, (32), 14 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) Second operand has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-19 07:42:54,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:42:54,989 INFO L93 Difference]: Finished difference Result 136 states and 174 transitions. [2022-11-19 07:42:54,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-19 07:42:54,992 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 100 [2022-11-19 07:42:54,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:42:55,002 INFO L225 Difference]: With dead ends: 136 [2022-11-19 07:42:55,002 INFO L226 Difference]: Without dead ends: 99 [2022-11-19 07:42:55,006 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-19 07:42:55,010 INFO L413 NwaCegarLoop]: 106 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 106 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-19 07:42:55,011 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 106 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-19 07:42:55,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2022-11-19 07:42:55,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 99. [2022-11-19 07:42:55,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99 states, 52 states have (on average 1.1538461538461537) internal successors, (60), 53 states have internal predecessors, (60), 32 states have call successors, (32), 14 states have call predecessors, (32), 14 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2022-11-19 07:42:55,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 123 transitions. [2022-11-19 07:42:55,063 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 123 transitions. Word has length 100 [2022-11-19 07:42:55,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:42:55,065 INFO L495 AbstractCegarLoop]: Abstraction has 99 states and 123 transitions. [2022-11-19 07:42:55,066 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-19 07:42:55,066 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 123 transitions. [2022-11-19 07:42:55,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-11-19 07:42:55,070 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:42:55,070 INFO L195 NwaCegarLoop]: trace histogram [10, 3, 3, 3, 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] [2022-11-19 07:42:55,081 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_679102f3-4a57-45cf-ad4a-83d3f2a925e7/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-11-19 07:42:55,280 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_679102f3-4a57-45cf-ad4a-83d3f2a925e7/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:42:55,281 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:42:55,281 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:42:55,282 INFO L85 PathProgramCache]: Analyzing trace with hash 493483735, now seen corresponding path program 1 times [2022-11-19 07:42:55,282 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:42:55,282 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1786317762] [2022-11-19 07:42:55,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:42:55,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:42:55,507 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-19 07:42:55,511 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [939316510] [2022-11-19 07:42:55,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:42:55,512 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:42:55,512 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_679102f3-4a57-45cf-ad4a-83d3f2a925e7/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:42:55,513 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_679102f3-4a57-45cf-ad4a-83d3f2a925e7/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 07:42:55,540 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_679102f3-4a57-45cf-ad4a-83d3f2a925e7/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-19 07:42:56,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:42:56,215 INFO L263 TraceCheckSpWp]: Trace formula consists of 2415 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-19 07:42:56,222 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 07:42:56,281 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2022-11-19 07:42:56,281 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 07:42:56,282 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:42:56,282 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1786317762] [2022-11-19 07:42:56,282 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-19 07:42:56,282 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [939316510] [2022-11-19 07:42:56,283 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [939316510] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:42:56,283 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:42:56,283 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-19 07:42:56,283 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2067476925] [2022-11-19 07:42:56,284 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:42:56,285 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-19 07:42:56,285 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:42:56,286 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-19 07:42:56,286 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-19 07:42:56,287 INFO L87 Difference]: Start difference. First operand 99 states and 123 transitions. Second operand has 5 states, 4 states have (on average 10.75) internal successors, (43), 5 states have internal predecessors, (43), 2 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (23), 3 states have call predecessors, (23), 2 states have call successors, (23) [2022-11-19 07:42:56,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:42:56,823 INFO L93 Difference]: Finished difference Result 192 states and 239 transitions. [2022-11-19 07:42:56,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-19 07:42:56,824 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 10.75) internal successors, (43), 5 states have internal predecessors, (43), 2 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (23), 3 states have call predecessors, (23), 2 states have call successors, (23) Word has length 105 [2022-11-19 07:42:56,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:42:56,826 INFO L225 Difference]: With dead ends: 192 [2022-11-19 07:42:56,827 INFO L226 Difference]: Without dead ends: 103 [2022-11-19 07:42:56,828 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-19 07:42:56,829 INFO L413 NwaCegarLoop]: 103 mSDtfsCounter, 1 mSDsluCounter, 304 mSDsCounter, 0 mSdLazyCounter, 84 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 407 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 84 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-19 07:42:56,830 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 407 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 84 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-19 07:42:56,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2022-11-19 07:42:56,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 103. [2022-11-19 07:42:56,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103 states, 55 states have (on average 1.1454545454545455) internal successors, (63), 56 states have internal predecessors, (63), 32 states have call successors, (32), 14 states have call predecessors, (32), 15 states have return successors, (32), 32 states have call predecessors, (32), 31 states have call successors, (32) [2022-11-19 07:42:56,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 127 transitions. [2022-11-19 07:42:56,846 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 127 transitions. Word has length 105 [2022-11-19 07:42:56,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:42:56,847 INFO L495 AbstractCegarLoop]: Abstraction has 103 states and 127 transitions. [2022-11-19 07:42:56,847 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 10.75) internal successors, (43), 5 states have internal predecessors, (43), 2 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (23), 3 states have call predecessors, (23), 2 states have call successors, (23) [2022-11-19 07:42:56,848 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 127 transitions. [2022-11-19 07:42:56,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-11-19 07:42:56,852 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:42:56,852 INFO L195 NwaCegarLoop]: trace histogram [10, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:42:56,868 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_679102f3-4a57-45cf-ad4a-83d3f2a925e7/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-19 07:42:57,062 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_679102f3-4a57-45cf-ad4a-83d3f2a925e7/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:42:57,063 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:42:57,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:42:57,063 INFO L85 PathProgramCache]: Analyzing trace with hash -774970137, now seen corresponding path program 1 times [2022-11-19 07:42:57,064 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:42:57,064 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [847970565] [2022-11-19 07:42:57,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:42:57,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:42:57,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:42:59,732 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2022-11-19 07:42:59,733 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:42:59,733 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [847970565] [2022-11-19 07:42:59,734 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [847970565] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 07:42:59,734 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [861875539] [2022-11-19 07:42:59,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:42:59,734 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:42:59,735 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_679102f3-4a57-45cf-ad4a-83d3f2a925e7/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:42:59,736 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_679102f3-4a57-45cf-ad4a-83d3f2a925e7/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 07:42:59,752 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_679102f3-4a57-45cf-ad4a-83d3f2a925e7/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-19 07:43:00,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:43:00,436 INFO L263 TraceCheckSpWp]: Trace formula consists of 2421 conjuncts, 63 conjunts are in the unsatisfiable core [2022-11-19 07:43:00,449 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 07:43:00,833 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 11 treesize of output 7 [2022-11-19 07:43:01,998 INFO L321 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2022-11-19 07:43:01,998 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 19 [2022-11-19 07:43:02,742 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2022-11-19 07:43:02,742 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 07:43:02,743 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [861875539] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:43:02,743 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-19 07:43:02,743 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [8] total 18 [2022-11-19 07:43:02,743 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [636939199] [2022-11-19 07:43:02,744 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:43:02,747 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-19 07:43:02,747 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:43:02,748 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-19 07:43:02,751 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=258, Unknown=0, NotChecked=0, Total=306 [2022-11-19 07:43:02,751 INFO L87 Difference]: Start difference. First operand 103 states and 127 transitions. Second operand has 13 states, 12 states have (on average 4.083333333333333) internal successors, (49), 11 states have internal predecessors, (49), 7 states have call successors, (26), 5 states have call predecessors, (26), 5 states have return successors, (25), 8 states have call predecessors, (25), 6 states have call successors, (25) [2022-11-19 07:43:04,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:43:04,349 INFO L93 Difference]: Finished difference Result 165 states and 211 transitions. [2022-11-19 07:43:04,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-19 07:43:04,350 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 4.083333333333333) internal successors, (49), 11 states have internal predecessors, (49), 7 states have call successors, (26), 5 states have call predecessors, (26), 5 states have return successors, (25), 8 states have call predecessors, (25), 6 states have call successors, (25) Word has length 113 [2022-11-19 07:43:04,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:43:04,354 INFO L225 Difference]: With dead ends: 165 [2022-11-19 07:43:04,354 INFO L226 Difference]: Without dead ends: 137 [2022-11-19 07:43:04,355 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 91 SyntacticMatches, 15 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 149 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=86, Invalid=514, Unknown=0, NotChecked=0, Total=600 [2022-11-19 07:43:04,359 INFO L413 NwaCegarLoop]: 91 mSDtfsCounter, 36 mSDsluCounter, 493 mSDsCounter, 0 mSdLazyCounter, 482 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 584 SdHoareTripleChecker+Invalid, 846 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 482 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 326 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-11-19 07:43:04,360 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 584 Invalid, 846 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 482 Invalid, 0 Unknown, 326 Unchecked, 1.3s Time] [2022-11-19 07:43:04,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2022-11-19 07:43:04,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 136. [2022-11-19 07:43:04,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 136 states, 73 states have (on average 1.1506849315068493) internal successors, (84), 77 states have internal predecessors, (84), 41 states have call successors, (41), 17 states have call predecessors, (41), 21 states have return successors, (52), 41 states have call predecessors, (52), 40 states have call successors, (52) [2022-11-19 07:43:04,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 177 transitions. [2022-11-19 07:43:04,404 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 177 transitions. Word has length 113 [2022-11-19 07:43:04,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:43:04,405 INFO L495 AbstractCegarLoop]: Abstraction has 136 states and 177 transitions. [2022-11-19 07:43:04,405 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 4.083333333333333) internal successors, (49), 11 states have internal predecessors, (49), 7 states have call successors, (26), 5 states have call predecessors, (26), 5 states have return successors, (25), 8 states have call predecessors, (25), 6 states have call successors, (25) [2022-11-19 07:43:04,406 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 177 transitions. [2022-11-19 07:43:04,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-11-19 07:43:04,408 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:43:04,408 INFO L195 NwaCegarLoop]: trace histogram [10, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:43:04,424 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_679102f3-4a57-45cf-ad4a-83d3f2a925e7/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-19 07:43:04,617 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_679102f3-4a57-45cf-ad4a-83d3f2a925e7/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2022-11-19 07:43:04,617 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:43:04,618 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:43:04,618 INFO L85 PathProgramCache]: Analyzing trace with hash -1118098027, now seen corresponding path program 1 times [2022-11-19 07:43:04,618 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:43:04,618 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [140371627] [2022-11-19 07:43:04,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:43:04,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:43:04,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:43:06,886 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2022-11-19 07:43:06,886 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:43:06,886 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [140371627] [2022-11-19 07:43:06,887 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [140371627] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 07:43:06,887 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2043017111] [2022-11-19 07:43:06,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:43:06,887 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:43:06,888 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_679102f3-4a57-45cf-ad4a-83d3f2a925e7/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:43:06,891 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_679102f3-4a57-45cf-ad4a-83d3f2a925e7/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 07:43:06,926 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_679102f3-4a57-45cf-ad4a-83d3f2a925e7/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-19 07:43:07,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:43:07,501 INFO L263 TraceCheckSpWp]: Trace formula consists of 2440 conjuncts, 37 conjunts are in the unsatisfiable core [2022-11-19 07:43:07,507 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 07:43:07,700 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 11 treesize of output 7 [2022-11-19 07:43:08,156 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 73 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2022-11-19 07:43:08,157 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 07:43:08,157 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2043017111] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:43:08,157 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-19 07:43:08,157 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [8] total 14 [2022-11-19 07:43:08,158 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1668348495] [2022-11-19 07:43:08,158 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:43:08,160 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-19 07:43:08,160 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:43:08,160 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-19 07:43:08,161 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2022-11-19 07:43:08,161 INFO L87 Difference]: Start difference. First operand 136 states and 177 transitions. Second operand has 9 states, 7 states have (on average 7.428571428571429) internal successors, (52), 7 states have internal predecessors, (52), 4 states have call successors, (26), 3 states have call predecessors, (26), 4 states have return successors, (25), 4 states have call predecessors, (25), 4 states have call successors, (25) [2022-11-19 07:43:08,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:43:08,870 INFO L93 Difference]: Finished difference Result 256 states and 329 transitions. [2022-11-19 07:43:08,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-19 07:43:08,871 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 7.428571428571429) internal successors, (52), 7 states have internal predecessors, (52), 4 states have call successors, (26), 3 states have call predecessors, (26), 4 states have return successors, (25), 4 states have call predecessors, (25), 4 states have call successors, (25) Word has length 114 [2022-11-19 07:43:08,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:43:08,874 INFO L225 Difference]: With dead ends: 256 [2022-11-19 07:43:08,875 INFO L226 Difference]: Without dead ends: 138 [2022-11-19 07:43:08,876 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=45, Invalid=165, Unknown=0, NotChecked=0, Total=210 [2022-11-19 07:43:08,877 INFO L413 NwaCegarLoop]: 102 mSDtfsCounter, 13 mSDsluCounter, 362 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 464 SdHoareTripleChecker+Invalid, 135 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 59 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-11-19 07:43:08,878 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 464 Invalid, 135 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 75 Invalid, 0 Unknown, 59 Unchecked, 0.7s Time] [2022-11-19 07:43:08,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2022-11-19 07:43:08,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 136. [2022-11-19 07:43:08,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 136 states, 73 states have (on average 1.1506849315068493) internal successors, (84), 77 states have internal predecessors, (84), 41 states have call successors, (41), 17 states have call predecessors, (41), 21 states have return successors, (51), 41 states have call predecessors, (51), 40 states have call successors, (51) [2022-11-19 07:43:08,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 176 transitions. [2022-11-19 07:43:08,902 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 176 transitions. Word has length 114 [2022-11-19 07:43:08,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:43:08,902 INFO L495 AbstractCegarLoop]: Abstraction has 136 states and 176 transitions. [2022-11-19 07:43:08,903 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 7.428571428571429) internal successors, (52), 7 states have internal predecessors, (52), 4 states have call successors, (26), 3 states have call predecessors, (26), 4 states have return successors, (25), 4 states have call predecessors, (25), 4 states have call successors, (25) [2022-11-19 07:43:08,903 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 176 transitions. [2022-11-19 07:43:08,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2022-11-19 07:43:08,905 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:43:08,906 INFO L195 NwaCegarLoop]: trace histogram [10, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:43:08,921 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_679102f3-4a57-45cf-ad4a-83d3f2a925e7/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-19 07:43:09,115 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_679102f3-4a57-45cf-ad4a-83d3f2a925e7/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:43:09,116 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:43:09,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:43:09,116 INFO L85 PathProgramCache]: Analyzing trace with hash -1799934692, now seen corresponding path program 1 times [2022-11-19 07:43:09,116 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:43:09,116 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1656088021] [2022-11-19 07:43:09,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:43:09,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:43:09,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:43:10,351 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2022-11-19 07:43:10,351 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:43:10,352 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1656088021] [2022-11-19 07:43:10,352 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1656088021] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 07:43:10,352 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1494726734] [2022-11-19 07:43:10,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:43:10,353 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:43:10,353 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_679102f3-4a57-45cf-ad4a-83d3f2a925e7/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:43:10,368 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_679102f3-4a57-45cf-ad4a-83d3f2a925e7/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 07:43:10,396 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_679102f3-4a57-45cf-ad4a-83d3f2a925e7/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-19 07:43:11,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:43:11,058 INFO L263 TraceCheckSpWp]: Trace formula consists of 2464 conjuncts, 35 conjunts are in the unsatisfiable core [2022-11-19 07:43:11,067 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 07:43:11,296 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 11 treesize of output 7 [2022-11-19 07:43:11,691 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 73 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2022-11-19 07:43:11,692 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 07:43:11,692 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1494726734] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:43:11,692 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-19 07:43:11,693 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [8] total 18 [2022-11-19 07:43:11,693 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [978947269] [2022-11-19 07:43:11,693 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:43:11,694 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-19 07:43:11,694 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:43:11,695 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-19 07:43:11,695 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=264, Unknown=0, NotChecked=0, Total=306 [2022-11-19 07:43:11,696 INFO L87 Difference]: Start difference. First operand 136 states and 176 transitions. Second operand has 12 states, 9 states have (on average 6.222222222222222) internal successors, (56), 10 states have internal predecessors, (56), 5 states have call successors, (27), 3 states have call predecessors, (27), 5 states have return successors, (26), 5 states have call predecessors, (26), 5 states have call successors, (26) [2022-11-19 07:43:13,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:43:13,189 INFO L93 Difference]: Finished difference Result 262 states and 336 transitions. [2022-11-19 07:43:13,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-19 07:43:13,190 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 9 states have (on average 6.222222222222222) internal successors, (56), 10 states have internal predecessors, (56), 5 states have call successors, (27), 3 states have call predecessors, (27), 5 states have return successors, (26), 5 states have call predecessors, (26), 5 states have call successors, (26) Word has length 120 [2022-11-19 07:43:13,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:43:13,192 INFO L225 Difference]: With dead ends: 262 [2022-11-19 07:43:13,192 INFO L226 Difference]: Without dead ends: 141 [2022-11-19 07:43:13,194 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=47, Invalid=295, Unknown=0, NotChecked=0, Total=342 [2022-11-19 07:43:13,195 INFO L413 NwaCegarLoop]: 101 mSDtfsCounter, 16 mSDsluCounter, 524 mSDsCounter, 0 mSdLazyCounter, 87 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 625 SdHoareTripleChecker+Invalid, 188 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 87 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 100 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-11-19 07:43:13,195 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 625 Invalid, 188 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 87 Invalid, 0 Unknown, 100 Unchecked, 1.4s Time] [2022-11-19 07:43:13,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2022-11-19 07:43:13,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 141. [2022-11-19 07:43:13,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 141 states, 77 states have (on average 1.1428571428571428) internal successors, (88), 80 states have internal predecessors, (88), 42 states have call successors, (42), 19 states have call predecessors, (42), 21 states have return successors, (52), 41 states have call predecessors, (52), 41 states have call successors, (52) [2022-11-19 07:43:13,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 182 transitions. [2022-11-19 07:43:13,220 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 182 transitions. Word has length 120 [2022-11-19 07:43:13,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:43:13,221 INFO L495 AbstractCegarLoop]: Abstraction has 141 states and 182 transitions. [2022-11-19 07:43:13,221 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 9 states have (on average 6.222222222222222) internal successors, (56), 10 states have internal predecessors, (56), 5 states have call successors, (27), 3 states have call predecessors, (27), 5 states have return successors, (26), 5 states have call predecessors, (26), 5 states have call successors, (26) [2022-11-19 07:43:13,221 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 182 transitions. [2022-11-19 07:43:13,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-11-19 07:43:13,224 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:43:13,224 INFO L195 NwaCegarLoop]: trace histogram [10, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:43:13,238 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_679102f3-4a57-45cf-ad4a-83d3f2a925e7/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-11-19 07:43:13,435 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_679102f3-4a57-45cf-ad4a-83d3f2a925e7/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:43:13,436 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:43:13,436 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:43:13,436 INFO L85 PathProgramCache]: Analyzing trace with hash 943726446, now seen corresponding path program 1 times [2022-11-19 07:43:13,436 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:43:13,437 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2000424625] [2022-11-19 07:43:13,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:43:13,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:43:13,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:43:15,906 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 16 proven. 3 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2022-11-19 07:43:15,906 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:43:15,906 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2000424625] [2022-11-19 07:43:15,906 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2000424625] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 07:43:15,907 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1344328271] [2022-11-19 07:43:15,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:43:15,907 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:43:15,907 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_679102f3-4a57-45cf-ad4a-83d3f2a925e7/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:43:15,920 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_679102f3-4a57-45cf-ad4a-83d3f2a925e7/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 07:43:15,953 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_679102f3-4a57-45cf-ad4a-83d3f2a925e7/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-19 07:43:16,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:43:16,578 INFO L263 TraceCheckSpWp]: Trace formula consists of 2493 conjuncts, 49 conjunts are in the unsatisfiable core [2022-11-19 07:43:16,588 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 07:43:16,788 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 11 treesize of output 7 [2022-11-19 07:43:18,025 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2022-11-19 07:43:18,025 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 07:43:18,026 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1344328271] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:43:18,026 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-19 07:43:18,026 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [10] total 17 [2022-11-19 07:43:18,026 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1604039852] [2022-11-19 07:43:18,026 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:43:18,027 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-19 07:43:18,027 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:43:18,028 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-19 07:43:18,028 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=226, Unknown=0, NotChecked=0, Total=272 [2022-11-19 07:43:18,028 INFO L87 Difference]: Start difference. First operand 141 states and 182 transitions. Second operand has 11 states, 9 states have (on average 6.666666666666667) internal successors, (60), 10 states have internal predecessors, (60), 7 states have call successors, (28), 4 states have call predecessors, (28), 6 states have return successors, (27), 8 states have call predecessors, (27), 7 states have call successors, (27) [2022-11-19 07:43:19,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:43:19,818 INFO L93 Difference]: Finished difference Result 201 states and 249 transitions. [2022-11-19 07:43:19,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-19 07:43:19,819 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 9 states have (on average 6.666666666666667) internal successors, (60), 10 states have internal predecessors, (60), 7 states have call successors, (28), 4 states have call predecessors, (28), 6 states have return successors, (27), 8 states have call predecessors, (27), 7 states have call successors, (27) Word has length 124 [2022-11-19 07:43:19,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:43:19,821 INFO L225 Difference]: With dead ends: 201 [2022-11-19 07:43:19,821 INFO L226 Difference]: Without dead ends: 153 [2022-11-19 07:43:19,822 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 110 SyntacticMatches, 12 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 138 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=68, Invalid=352, Unknown=0, NotChecked=0, Total=420 [2022-11-19 07:43:19,823 INFO L413 NwaCegarLoop]: 89 mSDtfsCounter, 35 mSDsluCounter, 486 mSDsCounter, 0 mSdLazyCounter, 429 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 575 SdHoareTripleChecker+Invalid, 745 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 429 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 281 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-11-19 07:43:19,823 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 575 Invalid, 745 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 429 Invalid, 0 Unknown, 281 Unchecked, 1.7s Time] [2022-11-19 07:43:19,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2022-11-19 07:43:19,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 153. [2022-11-19 07:43:19,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 153 states, 84 states have (on average 1.130952380952381) internal successors, (95), 87 states have internal predecessors, (95), 44 states have call successors, (44), 22 states have call predecessors, (44), 24 states have return successors, (53), 43 states have call predecessors, (53), 43 states have call successors, (53) [2022-11-19 07:43:19,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 192 transitions. [2022-11-19 07:43:19,868 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 192 transitions. Word has length 124 [2022-11-19 07:43:19,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:43:19,870 INFO L495 AbstractCegarLoop]: Abstraction has 153 states and 192 transitions. [2022-11-19 07:43:19,870 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 9 states have (on average 6.666666666666667) internal successors, (60), 10 states have internal predecessors, (60), 7 states have call successors, (28), 4 states have call predecessors, (28), 6 states have return successors, (27), 8 states have call predecessors, (27), 7 states have call successors, (27) [2022-11-19 07:43:19,871 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 192 transitions. [2022-11-19 07:43:19,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2022-11-19 07:43:19,884 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:43:19,884 INFO L195 NwaCegarLoop]: trace histogram [10, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:43:19,894 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_679102f3-4a57-45cf-ad4a-83d3f2a925e7/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-11-19 07:43:20,092 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_679102f3-4a57-45cf-ad4a-83d3f2a925e7/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:43:20,092 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:43:20,092 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:43:20,093 INFO L85 PathProgramCache]: Analyzing trace with hash -486689826, now seen corresponding path program 1 times [2022-11-19 07:43:20,093 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:43:20,093 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [767508696] [2022-11-19 07:43:20,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:43:20,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:43:20,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:43:20,773 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2022-11-19 07:43:20,774 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:43:20,774 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [767508696] [2022-11-19 07:43:20,774 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [767508696] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:43:20,775 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:43:20,775 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-19 07:43:20,775 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [590873646] [2022-11-19 07:43:20,775 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:43:20,776 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-19 07:43:20,776 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:43:20,777 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-19 07:43:20,777 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-19 07:43:20,778 INFO L87 Difference]: Start difference. First operand 153 states and 192 transitions. Second operand has 7 states, 5 states have (on average 10.8) internal successors, (54), 6 states have internal predecessors, (54), 2 states have call successors, (27), 2 states have call predecessors, (27), 4 states have return successors, (28), 4 states have call predecessors, (28), 2 states have call successors, (28) [2022-11-19 07:43:22,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:43:22,795 INFO L93 Difference]: Finished difference Result 294 states and 369 transitions. [2022-11-19 07:43:22,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-19 07:43:22,796 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 5 states have (on average 10.8) internal successors, (54), 6 states have internal predecessors, (54), 2 states have call successors, (27), 2 states have call predecessors, (27), 4 states have return successors, (28), 4 states have call predecessors, (28), 2 states have call successors, (28) Word has length 132 [2022-11-19 07:43:22,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:43:22,798 INFO L225 Difference]: With dead ends: 294 [2022-11-19 07:43:22,798 INFO L226 Difference]: Without dead ends: 151 [2022-11-19 07:43:22,799 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-11-19 07:43:22,800 INFO L413 NwaCegarLoop]: 104 mSDtfsCounter, 1 mSDsluCounter, 510 mSDsCounter, 0 mSdLazyCounter, 135 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 614 SdHoareTripleChecker+Invalid, 135 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 135 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-11-19 07:43:22,800 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 614 Invalid, 135 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 135 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-11-19 07:43:22,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2022-11-19 07:43:22,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 149. [2022-11-19 07:43:22,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 149 states, 82 states have (on average 1.1219512195121952) internal successors, (92), 84 states have internal predecessors, (92), 43 states have call successors, (43), 22 states have call predecessors, (43), 23 states have return successors, (50), 42 states have call predecessors, (50), 42 states have call successors, (50) [2022-11-19 07:43:22,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 185 transitions. [2022-11-19 07:43:22,823 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 185 transitions. Word has length 132 [2022-11-19 07:43:22,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:43:22,823 INFO L495 AbstractCegarLoop]: Abstraction has 149 states and 185 transitions. [2022-11-19 07:43:22,824 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 5 states have (on average 10.8) internal successors, (54), 6 states have internal predecessors, (54), 2 states have call successors, (27), 2 states have call predecessors, (27), 4 states have return successors, (28), 4 states have call predecessors, (28), 2 states have call successors, (28) [2022-11-19 07:43:22,824 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 185 transitions. [2022-11-19 07:43:22,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2022-11-19 07:43:22,827 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:43:22,827 INFO L195 NwaCegarLoop]: trace histogram [10, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:43:22,827 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-19 07:43:22,828 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:43:22,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:43:22,828 INFO L85 PathProgramCache]: Analyzing trace with hash 536078822, now seen corresponding path program 1 times [2022-11-19 07:43:22,829 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:43:22,829 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [118492335] [2022-11-19 07:43:22,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:43:22,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:43:22,924 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-19 07:43:22,925 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1996463085] [2022-11-19 07:43:22,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:43:22,925 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:43:22,925 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_679102f3-4a57-45cf-ad4a-83d3f2a925e7/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:43:22,927 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_679102f3-4a57-45cf-ad4a-83d3f2a925e7/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 07:43:22,952 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_679102f3-4a57-45cf-ad4a-83d3f2a925e7/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-11-19 07:43:23,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:43:23,736 INFO L263 TraceCheckSpWp]: Trace formula consists of 2574 conjuncts, 126 conjunts are in the unsatisfiable core [2022-11-19 07:43:23,751 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 07:43:23,791 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-11-19 07:43:23,792 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 9 treesize of output 15 [2022-11-19 07:43:24,185 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-19 07:43:24,186 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-11-19 07:43:24,229 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 5 treesize of output 3 [2022-11-19 07:43:24,369 INFO L350 Elim1Store]: Elim1 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 12 treesize of output 9 [2022-11-19 07:43:24,668 INFO L321 Elim1Store]: treesize reduction 53, result has 32.9 percent of original size [2022-11-19 07:43:24,669 INFO L350 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 6 case distinctions, treesize of input 41 treesize of output 53 [2022-11-19 07:43:24,890 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 5 treesize of output 3 [2022-11-19 07:43:25,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:25,004 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2022-11-19 07:43:25,181 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-19 07:43:25,197 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2022-11-19 07:43:25,778 INFO L321 Elim1Store]: treesize reduction 60, result has 24.1 percent of original size [2022-11-19 07:43:25,778 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 29 treesize of output 37 [2022-11-19 07:43:26,029 WARN L859 $PredicateComparison]: unable to prove that (exists ((v_ArrVal_962 (Array Int Int))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_aws_mul_size_checked_#in~r#1.base| v_ArrVal_962))) is different from true [2022-11-19 07:43:26,185 WARN L859 $PredicateComparison]: unable to prove that (exists ((v_ArrVal_963 (Array Int Int))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_aws_add_size_checked_#in~r#1.base| v_ArrVal_963))) is different from true [2022-11-19 07:43:26,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:26,317 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-11-19 07:43:26,318 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 40 [2022-11-19 07:43:26,356 INFO L321 Elim1Store]: treesize reduction 8, result has 52.9 percent of original size [2022-11-19 07:43:26,356 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 2 case distinctions, treesize of input 16 treesize of output 18 [2022-11-19 07:43:28,465 WARN L859 $PredicateComparison]: unable to prove that (exists ((|v_ULTIMATE.start_aws_hash_table_move_harness_~#from~0#1.base_BEFORE_CALL_49| Int)) (let ((.cse0 (select (select |c_#memory_$Pointer$.base| |v_ULTIMATE.start_aws_hash_table_move_harness_~#from~0#1.base_BEFORE_CALL_49|) 0))) (and (not (= .cse0 0)) (<= (+ 2 .cse0) |v_ULTIMATE.start_aws_hash_table_move_harness_~#from~0#1.base_BEFORE_CALL_49|) (<= 2 |v_ULTIMATE.start_aws_hash_table_move_harness_~#from~0#1.base_BEFORE_CALL_49|)))) is different from true [2022-11-19 07:43:30,756 WARN L859 $PredicateComparison]: unable to prove that (exists ((|v_ULTIMATE.start_aws_hash_table_move_~from#1.base_BEFORE_CALL_10| Int)) (let ((.cse0 (select (select |c_#memory_$Pointer$.base| |v_ULTIMATE.start_aws_hash_table_move_~from#1.base_BEFORE_CALL_10|) 0))) (and (not (= .cse0 0)) (<= 2 |v_ULTIMATE.start_aws_hash_table_move_~from#1.base_BEFORE_CALL_10|) (<= (+ 2 .cse0) |v_ULTIMATE.start_aws_hash_table_move_~from#1.base_BEFORE_CALL_10|)))) is different from true [2022-11-19 07:43:32,888 WARN L859 $PredicateComparison]: unable to prove that (exists ((|v_ULTIMATE.start_aws_hash_table_move_~from#1.base_BEFORE_CALL_11| Int)) (let ((.cse0 (select (select |c_#memory_$Pointer$.base| |v_ULTIMATE.start_aws_hash_table_move_~from#1.base_BEFORE_CALL_11|) 0))) (and (<= (+ 2 .cse0) |v_ULTIMATE.start_aws_hash_table_move_~from#1.base_BEFORE_CALL_11|) (<= 2 |v_ULTIMATE.start_aws_hash_table_move_~from#1.base_BEFORE_CALL_11|) (not (= .cse0 0))))) is different from true [2022-11-19 07:43:35,039 WARN L859 $PredicateComparison]: unable to prove that (exists ((|v_ULTIMATE.start_aws_hash_table_move_~from#1.base_BEFORE_CALL_12| Int)) (let ((.cse0 (select (select |c_#memory_$Pointer$.base| |v_ULTIMATE.start_aws_hash_table_move_~from#1.base_BEFORE_CALL_12|) 0))) (and (<= 2 |v_ULTIMATE.start_aws_hash_table_move_~from#1.base_BEFORE_CALL_12|) (not (= .cse0 0)) (<= (+ 2 .cse0) |v_ULTIMATE.start_aws_hash_table_move_~from#1.base_BEFORE_CALL_12|)))) is different from true [2022-11-19 07:43:37,170 WARN L859 $PredicateComparison]: unable to prove that (exists ((|v_ULTIMATE.start_aws_hash_table_move_~from#1.base_BEFORE_CALL_13| Int)) (let ((.cse0 (select (select |c_#memory_$Pointer$.base| |v_ULTIMATE.start_aws_hash_table_move_~from#1.base_BEFORE_CALL_13|) 0))) (and (<= (+ 2 .cse0) |v_ULTIMATE.start_aws_hash_table_move_~from#1.base_BEFORE_CALL_13|) (<= 2 |v_ULTIMATE.start_aws_hash_table_move_~from#1.base_BEFORE_CALL_13|) (not (= .cse0 0))))) is different from true [2022-11-19 07:43:39,342 WARN L859 $PredicateComparison]: unable to prove that (exists ((|v_ULTIMATE.start_aws_hash_table_move_~from#1.base_BEFORE_CALL_14| Int)) (let ((.cse0 (select (select |c_#memory_$Pointer$.base| |v_ULTIMATE.start_aws_hash_table_move_~from#1.base_BEFORE_CALL_14|) 0))) (and (<= 2 |v_ULTIMATE.start_aws_hash_table_move_~from#1.base_BEFORE_CALL_14|) (<= (+ .cse0 2) |v_ULTIMATE.start_aws_hash_table_move_~from#1.base_BEFORE_CALL_14|) (not (= .cse0 0))))) is different from true [2022-11-19 07:43:39,507 INFO L321 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2022-11-19 07:43:39,507 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 42 treesize of output 29 [2022-11-19 07:44:17,985 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 6 trivial. 80 not checked. [2022-11-19 07:44:17,986 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 07:44:18,606 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 6 [2022-11-19 07:44:25,025 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 34 [2022-11-19 07:44:32,898 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:44:32,898 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [118492335] [2022-11-19 07:44:32,899 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-19 07:44:32,899 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1996463085] [2022-11-19 07:44:32,899 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1996463085] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 07:44:32,899 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2115139810] [2022-11-19 07:44:32,927 INFO L159 IcfgInterpreter]: Started Sifa with 88 locations of interest [2022-11-19 07:44:32,927 INFO L166 IcfgInterpreter]: Building call graph [2022-11-19 07:44:32,932 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-19 07:44:32,938 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-19 07:44:32,939 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-19 07:44:36,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:44:36,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:44:37,792 INFO L217 Elim1Store]: Index analysis took 1200 ms [2022-11-19 07:45:33,677 WARN L233 SmtUtils]: Spent 55.80s on a formula simplification. DAG size of input: 2350 DAG size of output: 1371 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-19 07:45:33,692 INFO L321 Elim1Store]: treesize reduction 4499, result has 34.3 percent of original size [2022-11-19 07:45:33,698 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 196 select indices, 196 select index equivalence classes, 19114 disjoint index pairs (out of 19110 index pairs), introduced 196 new quantified variables, introduced 196 case distinctions, treesize of input 990 treesize of output 2944 [2022-11-19 07:45:38,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:45:38,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:45:40,755 INFO L217 Elim1Store]: Index analysis took 3064 ms [2022-11-19 07:47:20,428 WARN L233 SmtUtils]: Spent 1.66m on a formula simplification. DAG size of input: 3135 DAG size of output: 1567 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-19 07:47:20,435 INFO L321 Elim1Store]: treesize reduction 7432, result has 25.5 percent of original size [2022-11-19 07:47:20,438 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 199 select indices, 199 select index equivalence classes, 19310 disjoint index pairs (out of 19701 index pairs), introduced 199 new quantified variables, introduced 588 case distinctions, treesize of input 1009 treesize of output 3157 [2022-11-19 07:51:49,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:51:49,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:51:49,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:51:49,990 INFO L217 Elim1Store]: Index analysis took 551 ms [2022-11-19 07:52:24,830 WARN L233 SmtUtils]: Spent 34.79s on a formula simplification. DAG size of input: 2172 DAG size of output: 1185 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-19 07:52:24,833 INFO L321 Elim1Store]: treesize reduction 3546, result has 33.3 percent of original size [2022-11-19 07:52:24,836 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 200 select indices, 200 select index equivalence classes, 19703 disjoint index pairs (out of 19900 index pairs), introduced 200 new quantified variables, introduced 394 case distinctions, treesize of input 1007 treesize of output 2389 [2022-11-19 07:52:32,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:52:32,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:52:32,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:52:32,654 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 198 select indices, 198 select index equivalence classes, 19704 disjoint index pairs (out of 19503 index pairs), introduced 198 new quantified variables, introduced 0 case distinctions, treesize of input 997 treesize of output 1590 [2022-11-19 07:52:56,726 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-19 07:52:56,733 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-19 07:52:56,755 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-19 07:52:56,761 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-19 07:52:56,801 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-19 07:52:56,807 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-19 07:52:56,814 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-19 07:52:56,837 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-19 07:52:57,014 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-19 07:52:57,023 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-19 07:52:57,070 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-19 07:52:57,086 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-19 07:52:57,109 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-19 07:52:57,132 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-19 07:52:57,137 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-19 07:52:57,172 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-19 07:52:57,180 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-19 07:52:57,190 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-19 07:52:57,198 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-19 07:52:57,216 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-11-19 07:52:57,235 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-11-19 07:52:57,260 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-19 07:52:57,260 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 14 [2022-11-19 07:53:05,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:05,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:05,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:06,071 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 199 select indices, 199 select index equivalence classes, 19704 disjoint index pairs (out of 19701 index pairs), introduced 199 new quantified variables, introduced 0 case distinctions, treesize of input 996 treesize of output 598 [2022-11-19 07:53:07,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:07,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:07,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:07,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:07,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:07,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:07,478 INFO L217 Elim1Store]: Index analysis took 221 ms [2022-11-19 07:53:07,517 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 193 select indices, 193 select index equivalence classes, 16855 disjoint index pairs (out of 18528 index pairs), introduced 193 new quantified variables, introduced 0 case distinctions, treesize of input 1736 treesize of output 580 [2022-11-19 07:53:08,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:08,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:08,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:08,609 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 200 select indices, 200 select index equivalence classes, 19900 disjoint index pairs (out of 19900 index pairs), introduced 200 new quantified variables, introduced 0 case distinctions, treesize of input 1001 treesize of output 601 [2022-11-19 07:53:09,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:09,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:09,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:09,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:09,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:09,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:09,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:09,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:09,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:09,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:09,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:09,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:09,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:09,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:09,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:09,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:09,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:09,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:09,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:09,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:09,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:09,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:09,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:09,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:09,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:09,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:09,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:09,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:09,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:09,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:09,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:09,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:09,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:09,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:09,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:09,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:09,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:09,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:09,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:09,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:09,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:09,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:09,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:09,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:09,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:09,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:09,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:09,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:09,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:09,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:09,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:09,521 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 53 select indices, 53 select index equivalence classes, 1045 disjoint index pairs (out of 1378 index pairs), introduced 53 new quantified variables, introduced 0 case distinctions, treesize of input 464 treesize of output 160 [2022-11-19 07:53:10,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:10,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:10,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:10,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:10,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:10,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:10,321 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 193 select indices, 193 select index equivalence classes, 16855 disjoint index pairs (out of 18528 index pairs), introduced 193 new quantified variables, introduced 0 case distinctions, treesize of input 1736 treesize of output 580 [2022-11-19 07:53:38,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:38,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:38,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:38,348 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 199 select indices, 199 select index equivalence classes, 19704 disjoint index pairs (out of 19701 index pairs), introduced 199 new quantified variables, introduced 0 case distinctions, treesize of input 996 treesize of output 598 [2022-11-19 07:53:39,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:39,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:39,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:39,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:39,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:39,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:39,819 INFO L217 Elim1Store]: Index analysis took 108 ms [2022-11-19 07:53:39,847 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 193 select indices, 193 select index equivalence classes, 16855 disjoint index pairs (out of 18528 index pairs), introduced 193 new quantified variables, introduced 0 case distinctions, treesize of input 1736 treesize of output 580 [2022-11-19 07:53:40,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:40,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:40,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:40,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:40,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:40,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:40,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:40,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:40,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:40,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:40,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:40,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:40,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:40,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:40,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:40,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:40,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:40,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:40,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:40,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:40,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:40,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:40,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:40,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:40,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:40,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:40,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:40,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:40,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:40,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:40,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:40,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:40,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:40,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:40,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:40,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:40,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:40,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:40,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:40,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:40,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:40,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:40,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:40,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:40,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:40,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:40,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:40,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:40,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:40,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:40,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:40,613 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 53 select indices, 53 select index equivalence classes, 1045 disjoint index pairs (out of 1378 index pairs), introduced 53 new quantified variables, introduced 0 case distinctions, treesize of input 464 treesize of output 160 [2022-11-19 07:53:41,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:41,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:41,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:41,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:41,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:41,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:41,786 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 193 select indices, 193 select index equivalence classes, 16855 disjoint index pairs (out of 18528 index pairs), introduced 193 new quantified variables, introduced 0 case distinctions, treesize of input 1736 treesize of output 580 [2022-11-19 07:53:42,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:42,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:42,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:42,769 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 200 select indices, 200 select index equivalence classes, 19900 disjoint index pairs (out of 19900 index pairs), introduced 200 new quantified variables, introduced 0 case distinctions, treesize of input 1001 treesize of output 601 [2022-11-19 07:53:45,081 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-19 07:53:45,095 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-19 07:53:45,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:45,247 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 17 [2022-11-19 07:53:45,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:45,282 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 9 [2022-11-19 07:53:45,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:45,313 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 17 [2022-11-19 07:53:45,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:45,343 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:53:45,374 INFO L321 Elim1Store]: treesize reduction 17, result has 39.3 percent of original size [2022-11-19 07:53:45,374 INFO L350 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 1 case distinctions, treesize of input 69 treesize of output 46 [2022-11-19 07:53:45,439 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-11-19 07:53:45,439 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 18 [2022-11-19 07:53:46,452 INFO L321 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-11-19 07:53:46,453 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 24 treesize of output 21 [2022-11-19 07:53:46,481 INFO L350 Elim1Store]: Elim1 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 [2022-11-19 07:53:46,582 INFO L350 Elim1Store]: Elim1 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 [2022-11-19 07:53:46,597 INFO L350 Elim1Store]: Elim1 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 [2022-11-19 07:53:46,612 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2022-11-19 07:53:46,628 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-11-19 07:53:46,646 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-11-19 07:53:46,764 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-11-19 07:53:46,792 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2022-11-19 07:53:46,809 INFO L350 Elim1Store]: Elim1 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 [2022-11-19 07:53:46,832 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-11-19 07:53:46,847 INFO L350 Elim1Store]: Elim1 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 [2022-11-19 07:53:47,178 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-19 07:53:50,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:50,799 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 15 [2022-11-19 07:53:50,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:53:50,838 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 15 [2022-11-19 07:53:50,864 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-19 07:53:50,891 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-19 07:54:59,463 INFO L197 IcfgInterpreter]: Interpreting procedure nondet_uint64_t with input of size 3204 for LOIs [2022-11-19 07:55:10,423 INFO L197 IcfgInterpreter]: Interpreting procedure hash_table_state_required_bytes with input of size 3709 for LOIs [2022-11-19 07:56:23,450 INFO L217 Elim1Store]: Index analysis took 721 ms