./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_hash_table_swap_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b5237d83 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2daf703b-1338-4170-8cde-4de8237f5245/bin/utaipan-g80aRyZoba/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2daf703b-1338-4170-8cde-4de8237f5245/bin/utaipan-g80aRyZoba/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2daf703b-1338-4170-8cde-4de8237f5245/bin/utaipan-g80aRyZoba/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2daf703b-1338-4170-8cde-4de8237f5245/bin/utaipan-g80aRyZoba/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_hash_table_swap_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2daf703b-1338-4170-8cde-4de8237f5245/bin/utaipan-g80aRyZoba/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2daf703b-1338-4170-8cde-4de8237f5245/bin/utaipan-g80aRyZoba --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 50333b6a17e96dff6400d2c6a85c0145ae494daf76266f6b6d6936a12a6b2527 --- 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-b5237d8 [2022-11-22 02:14:37,942 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-22 02:14:37,945 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-22 02:14:37,986 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-22 02:14:37,987 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-22 02:14:37,990 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-22 02:14:37,993 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-22 02:14:37,998 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-22 02:14:38,000 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-22 02:14:38,005 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-22 02:14:38,006 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-22 02:14:38,007 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-22 02:14:38,008 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-22 02:14:38,008 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-22 02:14:38,009 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-22 02:14:38,010 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-22 02:14:38,011 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-22 02:14:38,012 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-22 02:14:38,013 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-22 02:14:38,015 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-22 02:14:38,016 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-22 02:14:38,021 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-22 02:14:38,024 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-22 02:14:38,025 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-22 02:14:38,038 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-22 02:14:38,038 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-22 02:14:38,038 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-22 02:14:38,039 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-22 02:14:38,040 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-22 02:14:38,041 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-22 02:14:38,041 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-22 02:14:38,042 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-22 02:14:38,042 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-22 02:14:38,043 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-22 02:14:38,044 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-22 02:14:38,044 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-22 02:14:38,045 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-22 02:14:38,045 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-22 02:14:38,045 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-22 02:14:38,046 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-22 02:14:38,047 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-22 02:14:38,052 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2daf703b-1338-4170-8cde-4de8237f5245/bin/utaipan-g80aRyZoba/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-22 02:14:38,082 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-22 02:14:38,082 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-22 02:14:38,083 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-22 02:14:38,083 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-22 02:14:38,084 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-22 02:14:38,084 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-22 02:14:38,084 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-22 02:14:38,084 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-22 02:14:38,084 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-22 02:14:38,085 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-22 02:14:38,086 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-22 02:14:38,086 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-22 02:14:38,086 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-22 02:14:38,086 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-22 02:14:38,086 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-22 02:14:38,087 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-22 02:14:38,087 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-22 02:14:38,087 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-22 02:14:38,088 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-22 02:14:38,088 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-22 02:14:38,088 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-22 02:14:38,088 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-22 02:14:38,088 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-22 02:14:38,089 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-22 02:14:38,089 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-22 02:14:38,089 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-22 02:14:38,090 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-22 02:14:38,090 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-22 02:14:38,090 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-22 02:14:38,090 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 02:14:38,091 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-22 02:14:38,091 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-22 02:14:38,091 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-22 02:14:38,091 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-22 02:14:38,091 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-22 02:14:38,092 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-22 02:14:38,092 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-22 02:14:38,092 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-22 02:14:38,092 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_2daf703b-1338-4170-8cde-4de8237f5245/bin/utaipan-g80aRyZoba/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2daf703b-1338-4170-8cde-4de8237f5245/bin/utaipan-g80aRyZoba Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 50333b6a17e96dff6400d2c6a85c0145ae494daf76266f6b6d6936a12a6b2527 [2022-11-22 02:14:38,372 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-22 02:14:38,403 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-22 02:14:38,405 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-22 02:14:38,407 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-22 02:14:38,407 INFO L275 PluginConnector]: CDTParser initialized [2022-11-22 02:14:38,408 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2daf703b-1338-4170-8cde-4de8237f5245/bin/utaipan-g80aRyZoba/../../sv-benchmarks/c/aws-c-common/aws_hash_table_swap_harness.i [2022-11-22 02:14:41,435 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-22 02:14:42,007 INFO L351 CDTParser]: Found 1 translation units. [2022-11-22 02:14:42,008 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2daf703b-1338-4170-8cde-4de8237f5245/sv-benchmarks/c/aws-c-common/aws_hash_table_swap_harness.i [2022-11-22 02:14:42,091 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2daf703b-1338-4170-8cde-4de8237f5245/bin/utaipan-g80aRyZoba/data/9b2b3bf4e/005466834d5c41a0a55cfc0d803836d0/FLAG69e0d9a74 [2022-11-22 02:14:42,110 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2daf703b-1338-4170-8cde-4de8237f5245/bin/utaipan-g80aRyZoba/data/9b2b3bf4e/005466834d5c41a0a55cfc0d803836d0 [2022-11-22 02:14:42,129 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-22 02:14:42,132 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-22 02:14:42,143 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-22 02:14:42,143 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-22 02:14:42,147 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-22 02:14:42,148 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:14:42" (1/1) ... [2022-11-22 02:14:42,149 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c232130 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:14:42, skipping insertion in model container [2022-11-22 02:14:42,150 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:14:42" (1/1) ... [2022-11-22 02:14:42,159 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-22 02:14:42,314 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-22 02:14:42,660 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2daf703b-1338-4170-8cde-4de8237f5245/sv-benchmarks/c/aws-c-common/aws_hash_table_swap_harness.i[4493,4506] [2022-11-22 02:14:42,669 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2daf703b-1338-4170-8cde-4de8237f5245/sv-benchmarks/c/aws-c-common/aws_hash_table_swap_harness.i[4553,4566] [2022-11-22 02:14:43,789 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 02:14:43,793 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 02:14:43,794 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 02:14:43,796 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 02:14:43,797 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 02:14:43,808 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 02:14:43,808 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 02:14:43,810 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 02:14:43,811 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 02:14:43,817 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 02:14:43,818 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 02:14:43,819 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 02:14:43,819 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 02:14:44,273 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-22 02:14:44,274 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-22 02:14:44,275 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-22 02:14:44,276 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-22 02:14:44,278 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-22 02:14:44,279 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-22 02:14:44,279 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-22 02:14:44,280 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-22 02:14:44,280 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-22 02:14:44,281 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-22 02:14:44,477 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-22 02:14:44,830 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 02:14:44,831 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 02:14:44,866 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 02:14:44,868 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 02:14:44,876 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 02:14:44,877 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 02:14:44,899 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 02:14:44,904 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 02:14:44,905 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 02:14:44,905 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 02:14:44,906 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 02:14:44,906 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 02:14:44,907 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 02:14:45,013 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 02:14:45,056 INFO L203 MainTranslator]: Completed pre-run [2022-11-22 02:14:45,079 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2daf703b-1338-4170-8cde-4de8237f5245/sv-benchmarks/c/aws-c-common/aws_hash_table_swap_harness.i[4493,4506] [2022-11-22 02:14:45,080 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2daf703b-1338-4170-8cde-4de8237f5245/sv-benchmarks/c/aws-c-common/aws_hash_table_swap_harness.i[4553,4566] [2022-11-22 02:14:45,121 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 02:14:45,122 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 02:14:45,122 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 02:14:45,123 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 02:14:45,123 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 02:14:45,132 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 02:14:45,134 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 02:14:45,136 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 02:14:45,137 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 02:14:45,140 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 02:14:45,141 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 02:14:45,141 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 02:14:45,142 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 02:14:45,175 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-22 02:14:45,176 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-22 02:14:45,177 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-22 02:14:45,178 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-22 02:14:45,179 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-22 02:14:45,180 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-22 02:14:45,180 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-22 02:14:45,181 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-22 02:14:45,181 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-22 02:14:45,182 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-22 02:14:45,217 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-22 02:14:45,337 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 02:14:45,337 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 02:14:45,345 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 02:14:45,346 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 02:14:45,349 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 02:14:45,350 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 02:14:45,364 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 02:14:45,365 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 02:14:45,365 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 02:14:45,366 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 02:14:45,366 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 02:14:45,367 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 02:14:45,367 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 02:14:45,388 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 02:14:45,717 INFO L208 MainTranslator]: Completed translation [2022-11-22 02:14:45,717 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:14:45 WrapperNode [2022-11-22 02:14:45,718 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-22 02:14:45,719 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-22 02:14:45,719 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-22 02:14:45,719 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-22 02:14:45,727 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:14:45" (1/1) ... [2022-11-22 02:14:45,823 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:14:45" (1/1) ... [2022-11-22 02:14:45,946 INFO L138 Inliner]: procedures = 774, calls = 2440, calls flagged for inlining = 66, calls inlined = 9, statements flattened = 598 [2022-11-22 02:14:45,947 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-22 02:14:45,948 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-22 02:14:45,949 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-22 02:14:45,949 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-22 02:14:45,959 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:14:45" (1/1) ... [2022-11-22 02:14:45,959 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:14:45" (1/1) ... [2022-11-22 02:14:45,983 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:14:45" (1/1) ... [2022-11-22 02:14:45,994 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:14:45" (1/1) ... [2022-11-22 02:14:46,018 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:14:45" (1/1) ... [2022-11-22 02:14:46,021 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:14:45" (1/1) ... [2022-11-22 02:14:46,028 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:14:45" (1/1) ... [2022-11-22 02:14:46,032 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:14:45" (1/1) ... [2022-11-22 02:14:46,041 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-22 02:14:46,042 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-22 02:14:46,042 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-22 02:14:46,042 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-22 02:14:46,043 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:14:45" (1/1) ... [2022-11-22 02:14:46,050 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 02:14:46,062 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2daf703b-1338-4170-8cde-4de8237f5245/bin/utaipan-g80aRyZoba/z3 [2022-11-22 02:14:46,076 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2daf703b-1338-4170-8cde-4de8237f5245/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-22 02:14:46,096 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2daf703b-1338-4170-8cde-4de8237f5245/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-22 02:14:46,130 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2022-11-22 02:14:46,130 INFO L130 BoogieDeclarations]: Found specification of procedure save_byte_from_hash_table [2022-11-22 02:14:46,130 INFO L138 BoogieDeclarations]: Found implementation of procedure save_byte_from_hash_table [2022-11-22 02:14:46,130 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-22 02:14:46,130 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2022-11-22 02:14:46,130 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2022-11-22 02:14:46,131 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-11-22 02:14:46,131 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-11-22 02:14:46,131 INFO L130 BoogieDeclarations]: Found specification of procedure hash_table_state_is_valid [2022-11-22 02:14:46,131 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_table_state_is_valid [2022-11-22 02:14:46,131 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-22 02:14:46,131 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-22 02:14:46,132 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-22 02:14:46,132 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-22 02:14:46,132 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-22 02:14:46,132 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2022-11-22 02:14:46,133 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2022-11-22 02:14:46,133 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2022-11-22 02:14:46,133 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2022-11-22 02:14:46,133 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-22 02:14:46,133 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2022-11-22 02:14:46,133 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2022-11-22 02:14:46,133 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-22 02:14:46,134 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2022-11-22 02:14:46,134 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2022-11-22 02:14:46,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-22 02:14:46,134 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_power_of_two [2022-11-22 02:14:46,134 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_power_of_two [2022-11-22 02:14:46,135 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-22 02:14:46,135 INFO L130 BoogieDeclarations]: Found specification of procedure hash_table_state_required_bytes [2022-11-22 02:14:46,135 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_table_state_required_bytes [2022-11-22 02:14:46,135 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-22 02:14:46,135 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-22 02:14:46,136 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hash_table_is_valid [2022-11-22 02:14:46,136 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hash_table_is_valid [2022-11-22 02:14:46,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-22 02:14:46,139 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_allocated_hash_table [2022-11-22 02:14:46,139 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_allocated_hash_table [2022-11-22 02:14:46,140 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2022-11-22 02:14:46,140 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2022-11-22 02:14:46,140 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2022-11-22 02:14:46,141 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2022-11-22 02:14:46,141 INFO L130 BoogieDeclarations]: Found specification of procedure check_hash_table_unchanged [2022-11-22 02:14:46,141 INFO L138 BoogieDeclarations]: Found implementation of procedure check_hash_table_unchanged [2022-11-22 02:14:46,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-22 02:14:46,547 INFO L235 CfgBuilder]: Building ICFG [2022-11-22 02:14:46,549 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-22 02:14:47,642 INFO L276 CfgBuilder]: Performing block encoding [2022-11-22 02:14:47,792 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-22 02:14:47,793 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-22 02:14:47,796 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:14:47 BoogieIcfgContainer [2022-11-22 02:14:47,797 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-22 02:14:47,800 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-22 02:14:47,800 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-22 02:14:47,803 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-22 02:14:47,804 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 02:14:42" (1/3) ... [2022-11-22 02:14:47,806 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@351c182 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 02:14:47, skipping insertion in model container [2022-11-22 02:14:47,806 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:14:45" (2/3) ... [2022-11-22 02:14:47,807 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@351c182 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 02:14:47, skipping insertion in model container [2022-11-22 02:14:47,807 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:14:47" (3/3) ... [2022-11-22 02:14:47,808 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_hash_table_swap_harness.i [2022-11-22 02:14:47,828 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-22 02:14:47,828 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-22 02:14:47,894 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-22 02:14:47,907 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;@aa8a6d7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-22 02:14:47,907 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-22 02:14:47,915 INFO L276 IsEmpty]: Start isEmpty. Operand has 112 states, 59 states have (on average 1.2033898305084745) internal successors, (71), 64 states have internal predecessors, (71), 35 states have call successors, (35), 16 states have call predecessors, (35), 16 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2022-11-22 02:14:47,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-22 02:14:47,924 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:14:47,925 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 02:14:47,926 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 02:14:47,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:14:47,933 INFO L85 PathProgramCache]: Analyzing trace with hash 2033396556, now seen corresponding path program 1 times [2022-11-22 02:14:47,943 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:14:47,944 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [115570427] [2022-11-22 02:14:47,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:14:47,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:14:48,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:14:48,646 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 02:14:48,647 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:14:48,647 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [115570427] [2022-11-22 02:14:48,648 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [115570427] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:14:48,648 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:14:48,648 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 02:14:48,650 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1667559236] [2022-11-22 02:14:48,651 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:14:48,656 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 02:14:48,656 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:14:48,700 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 02:14:48,701 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 02:14:48,704 INFO L87 Difference]: Start difference. First operand has 112 states, 59 states have (on average 1.2033898305084745) internal successors, (71), 64 states have internal predecessors, (71), 35 states have call successors, (35), 16 states have call predecessors, (35), 16 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-22 02:14:49,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:14:49,258 INFO L93 Difference]: Finished difference Result 164 states and 217 transitions. [2022-11-22 02:14:49,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 02:14:49,261 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 18 [2022-11-22 02:14:49,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:14:49,270 INFO L225 Difference]: With dead ends: 164 [2022-11-22 02:14:49,271 INFO L226 Difference]: Without dead ends: 125 [2022-11-22 02:14:49,274 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 02:14:49,277 INFO L413 NwaCegarLoop]: 128 mSDtfsCounter, 7 mSDsluCounter, 117 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 245 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-22 02:14:49,278 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 245 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-22 02:14:49,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2022-11-22 02:14:49,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 120. [2022-11-22 02:14:49,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 63 states have (on average 1.1746031746031746) internal successors, (74), 67 states have internal predecessors, (74), 40 states have call successors, (40), 16 states have call predecessors, (40), 16 states have return successors, (39), 39 states have call predecessors, (39), 39 states have call successors, (39) [2022-11-22 02:14:49,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 153 transitions. [2022-11-22 02:14:49,332 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 153 transitions. Word has length 18 [2022-11-22 02:14:49,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:14:49,332 INFO L495 AbstractCegarLoop]: Abstraction has 120 states and 153 transitions. [2022-11-22 02:14:49,332 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-22 02:14:49,333 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 153 transitions. [2022-11-22 02:14:49,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-22 02:14:49,334 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:14:49,334 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 02:14:49,335 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-22 02:14:49,335 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 02:14:49,336 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:14:49,336 INFO L85 PathProgramCache]: Analyzing trace with hash -1073144067, now seen corresponding path program 1 times [2022-11-22 02:14:49,336 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:14:49,336 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [376225408] [2022-11-22 02:14:49,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:14:49,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:14:49,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:14:49,630 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 02:14:49,630 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:14:49,630 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [376225408] [2022-11-22 02:14:49,630 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [376225408] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:14:49,631 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:14:49,631 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 02:14:49,631 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1170127692] [2022-11-22 02:14:49,631 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:14:49,632 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 02:14:49,633 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:14:49,633 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 02:14:49,633 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 02:14:49,634 INFO L87 Difference]: Start difference. First operand 120 states and 153 transitions. Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-22 02:14:50,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:14:50,201 INFO L93 Difference]: Finished difference Result 161 states and 202 transitions. [2022-11-22 02:14:50,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 02:14:50,202 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 19 [2022-11-22 02:14:50,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:14:50,204 INFO L225 Difference]: With dead ends: 161 [2022-11-22 02:14:50,204 INFO L226 Difference]: Without dead ends: 128 [2022-11-22 02:14:50,205 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 02:14:50,206 INFO L413 NwaCegarLoop]: 123 mSDtfsCounter, 2 mSDsluCounter, 116 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 239 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-22 02:14:50,206 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 239 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-22 02:14:50,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2022-11-22 02:14:50,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 128. [2022-11-22 02:14:50,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 128 states, 67 states have (on average 1.1492537313432836) internal successors, (77), 70 states have internal predecessors, (77), 44 states have call successors, (44), 16 states have call predecessors, (44), 16 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2022-11-22 02:14:50,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 163 transitions. [2022-11-22 02:14:50,243 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 163 transitions. Word has length 19 [2022-11-22 02:14:50,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:14:50,243 INFO L495 AbstractCegarLoop]: Abstraction has 128 states and 163 transitions. [2022-11-22 02:14:50,243 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-22 02:14:50,244 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 163 transitions. [2022-11-22 02:14:50,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2022-11-22 02:14:50,247 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:14:50,247 INFO L195 NwaCegarLoop]: trace histogram [7, 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] [2022-11-22 02:14:50,248 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-22 02:14:50,248 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 02:14:50,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:14:50,249 INFO L85 PathProgramCache]: Analyzing trace with hash -19964286, now seen corresponding path program 1 times [2022-11-22 02:14:50,249 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:14:50,249 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2147378767] [2022-11-22 02:14:50,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:14:50,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:14:50,478 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-22 02:14:50,479 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [349227291] [2022-11-22 02:14:50,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:14:50,479 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 02:14:50,479 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2daf703b-1338-4170-8cde-4de8237f5245/bin/utaipan-g80aRyZoba/z3 [2022-11-22 02:14:50,483 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2daf703b-1338-4170-8cde-4de8237f5245/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 02:14:50,508 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2daf703b-1338-4170-8cde-4de8237f5245/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-22 02:14:51,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:14:51,201 INFO L263 TraceCheckSpWp]: Trace formula consists of 2443 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-22 02:14:51,210 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 02:14:51,275 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-11-22 02:14:51,275 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-22 02:14:51,276 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:14:51,276 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2147378767] [2022-11-22 02:14:51,276 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-22 02:14:51,276 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [349227291] [2022-11-22 02:14:51,276 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [349227291] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:14:51,277 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:14:51,277 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-22 02:14:51,277 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [552137302] [2022-11-22 02:14:51,277 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:14:51,278 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-22 02:14:51,278 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:14:51,279 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-22 02:14:51,279 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-22 02:14:51,279 INFO L87 Difference]: Start difference. First operand 128 states and 163 transitions. Second operand has 5 states, 4 states have (on average 11.5) internal successors, (46), 5 states have internal predecessors, (46), 2 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (20), 3 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-22 02:14:52,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:14:52,082 INFO L93 Difference]: Finished difference Result 255 states and 331 transitions. [2022-11-22 02:14:52,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-22 02:14:52,082 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 11.5) internal successors, (46), 5 states have internal predecessors, (46), 2 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (20), 3 states have call predecessors, (20), 2 states have call successors, (20) Word has length 96 [2022-11-22 02:14:52,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:14:52,084 INFO L225 Difference]: With dead ends: 255 [2022-11-22 02:14:52,085 INFO L226 Difference]: Without dead ends: 132 [2022-11-22 02:14:52,086 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-22 02:14:52,087 INFO L413 NwaCegarLoop]: 117 mSDtfsCounter, 1 mSDsluCounter, 346 mSDsCounter, 0 mSdLazyCounter, 84 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 463 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 84 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-11-22 02:14:52,088 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 463 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 84 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-11-22 02:14:52,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2022-11-22 02:14:52,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 132. [2022-11-22 02:14:52,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 132 states, 70 states have (on average 1.1428571428571428) internal successors, (80), 73 states have internal predecessors, (80), 44 states have call successors, (44), 16 states have call predecessors, (44), 17 states have return successors, (43), 43 states have call predecessors, (43), 42 states have call successors, (43) [2022-11-22 02:14:52,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 167 transitions. [2022-11-22 02:14:52,104 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 167 transitions. Word has length 96 [2022-11-22 02:14:52,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:14:52,105 INFO L495 AbstractCegarLoop]: Abstraction has 132 states and 167 transitions. [2022-11-22 02:14:52,105 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 11.5) internal successors, (46), 5 states have internal predecessors, (46), 2 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (20), 3 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-22 02:14:52,106 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 167 transitions. [2022-11-22 02:14:52,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2022-11-22 02:14:52,109 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:14:52,109 INFO L195 NwaCegarLoop]: trace histogram [7, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 02:14:52,130 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2daf703b-1338-4170-8cde-4de8237f5245/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-22 02:14:52,334 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2daf703b-1338-4170-8cde-4de8237f5245/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 02:14:52,335 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 02:14:52,335 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:14:52,335 INFO L85 PathProgramCache]: Analyzing trace with hash -882981322, now seen corresponding path program 1 times [2022-11-22 02:14:52,335 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:14:52,335 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [86884231] [2022-11-22 02:14:52,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:14:52,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:14:52,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:14:54,576 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-11-22 02:14:54,577 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:14:54,577 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [86884231] [2022-11-22 02:14:54,578 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [86884231] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-22 02:14:54,578 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [506927931] [2022-11-22 02:14:54,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:14:54,578 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 02:14:54,579 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2daf703b-1338-4170-8cde-4de8237f5245/bin/utaipan-g80aRyZoba/z3 [2022-11-22 02:14:54,580 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2daf703b-1338-4170-8cde-4de8237f5245/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 02:14:54,610 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2daf703b-1338-4170-8cde-4de8237f5245/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-22 02:14:55,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:14:55,176 INFO L263 TraceCheckSpWp]: Trace formula consists of 2447 conjuncts, 39 conjunts are in the unsatisfiable core [2022-11-22 02:14:55,183 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 02:14:55,363 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 [2022-11-22 02:14:55,877 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-11-22 02:14:55,878 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-22 02:14:55,878 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [506927931] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:14:55,878 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-22 02:14:55,878 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [10] total 15 [2022-11-22 02:14:55,879 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [140848629] [2022-11-22 02:14:55,879 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:14:55,879 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-22 02:14:55,880 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:14:55,880 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-22 02:14:55,880 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=170, Unknown=0, NotChecked=0, Total=210 [2022-11-22 02:14:55,881 INFO L87 Difference]: Start difference. First operand 132 states and 167 transitions. Second operand has 11 states, 8 states have (on average 6.625) internal successors, (53), 8 states have internal predecessors, (53), 5 states have call successors, (23), 3 states have call predecessors, (23), 5 states have return successors, (22), 5 states have call predecessors, (22), 5 states have call successors, (22) [2022-11-22 02:14:59,949 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-22 02:15:02,068 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-22 02:15:04,100 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-22 02:15:06,186 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-22 02:15:08,215 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-22 02:15:10,325 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-22 02:15:12,367 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-22 02:15:14,899 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-22 02:15:16,978 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-22 02:15:18,983 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-22 02:15:20,991 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-22 02:15:23,021 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-22 02:15:25,088 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-22 02:15:25,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:15:25,226 INFO L93 Difference]: Finished difference Result 328 states and 409 transitions. [2022-11-22 02:15:25,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-22 02:15:25,227 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 8 states have (on average 6.625) internal successors, (53), 8 states have internal predecessors, (53), 5 states have call successors, (23), 3 states have call predecessors, (23), 5 states have return successors, (22), 5 states have call predecessors, (22), 5 states have call successors, (22) Word has length 103 [2022-11-22 02:15:25,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:15:25,230 INFO L225 Difference]: With dead ends: 328 [2022-11-22 02:15:25,230 INFO L226 Difference]: Without dead ends: 208 [2022-11-22 02:15:25,232 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=71, Invalid=349, Unknown=0, NotChecked=0, Total=420 [2022-11-22 02:15:25,233 INFO L413 NwaCegarLoop]: 134 mSDtfsCounter, 94 mSDsluCounter, 848 mSDsCounter, 0 mSdLazyCounter, 528 mSolverCounterSat, 24 mSolverCounterUnsat, 13 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 28.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 108 SdHoareTripleChecker+Valid, 982 SdHoareTripleChecker+Invalid, 565 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 528 IncrementalHoareTripleChecker+Invalid, 13 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 29.1s IncrementalHoareTripleChecker+Time [2022-11-22 02:15:25,233 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [108 Valid, 982 Invalid, 565 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 528 Invalid, 13 Unknown, 0 Unchecked, 29.1s Time] [2022-11-22 02:15:25,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 208 states. [2022-11-22 02:15:25,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 208 to 206. [2022-11-22 02:15:25,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 206 states, 111 states have (on average 1.1441441441441442) internal successors, (127), 115 states have internal predecessors, (127), 64 states have call successors, (64), 30 states have call predecessors, (64), 30 states have return successors, (68), 61 states have call predecessors, (68), 62 states have call successors, (68) [2022-11-22 02:15:25,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 206 states and 259 transitions. [2022-11-22 02:15:25,261 INFO L78 Accepts]: Start accepts. Automaton has 206 states and 259 transitions. Word has length 103 [2022-11-22 02:15:25,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:15:25,261 INFO L495 AbstractCegarLoop]: Abstraction has 206 states and 259 transitions. [2022-11-22 02:15:25,262 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 8 states have (on average 6.625) internal successors, (53), 8 states have internal predecessors, (53), 5 states have call successors, (23), 3 states have call predecessors, (23), 5 states have return successors, (22), 5 states have call predecessors, (22), 5 states have call successors, (22) [2022-11-22 02:15:25,262 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 259 transitions. [2022-11-22 02:15:25,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2022-11-22 02:15:25,266 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:15:25,266 INFO L195 NwaCegarLoop]: trace histogram [7, 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] [2022-11-22 02:15:25,288 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2daf703b-1338-4170-8cde-4de8237f5245/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-22 02:15:25,476 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2daf703b-1338-4170-8cde-4de8237f5245/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 02:15:25,477 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 02:15:25,477 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:15:25,477 INFO L85 PathProgramCache]: Analyzing trace with hash 1169025982, now seen corresponding path program 1 times [2022-11-22 02:15:25,477 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:15:25,477 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1943123469] [2022-11-22 02:15:25,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:15:25,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:15:25,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:15:26,821 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-11-22 02:15:26,821 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:15:26,821 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1943123469] [2022-11-22 02:15:26,821 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1943123469] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-22 02:15:26,822 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1521489293] [2022-11-22 02:15:26,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:15:26,822 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 02:15:26,822 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2daf703b-1338-4170-8cde-4de8237f5245/bin/utaipan-g80aRyZoba/z3 [2022-11-22 02:15:26,827 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2daf703b-1338-4170-8cde-4de8237f5245/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 02:15:26,846 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2daf703b-1338-4170-8cde-4de8237f5245/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-22 02:15:27,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:15:27,407 INFO L263 TraceCheckSpWp]: Trace formula consists of 2471 conjuncts, 35 conjunts are in the unsatisfiable core [2022-11-22 02:15:27,413 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 02:15:27,577 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 [2022-11-22 02:15:28,007 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-11-22 02:15:28,007 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-22 02:15:28,007 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1521489293] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:15:28,007 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-22 02:15:28,008 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [8] total 20 [2022-11-22 02:15:28,008 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1943156708] [2022-11-22 02:15:28,008 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:15:28,008 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-11-22 02:15:28,009 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:15:28,009 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-11-22 02:15:28,009 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=333, Unknown=0, NotChecked=0, Total=380 [2022-11-22 02:15:28,010 INFO L87 Difference]: Start difference. First operand 206 states and 259 transitions. Second operand has 14 states, 10 states have (on average 5.7) internal successors, (57), 11 states have internal predecessors, (57), 6 states have call successors, (24), 3 states have call predecessors, (24), 6 states have return successors, (23), 6 states have call predecessors, (23), 6 states have call successors, (23) [2022-11-22 02:15:34,002 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-22 02:15:36,092 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-22 02:15:38,119 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-22 02:15:40,183 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-22 02:15:42,346 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-22 02:15:44,359 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-22 02:15:46,683 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-22 02:15:48,943 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-22 02:15:50,948 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-22 02:15:52,951 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-22 02:15:54,977 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-22 02:15:57,051 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-22 02:15:59,055 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-22 02:16:01,059 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-22 02:16:03,109 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-22 02:16:03,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:16:03,208 INFO L93 Difference]: Finished difference Result 451 states and 567 transitions. [2022-11-22 02:16:03,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-22 02:16:03,209 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 10 states have (on average 5.7) internal successors, (57), 11 states have internal predecessors, (57), 6 states have call successors, (24), 3 states have call predecessors, (24), 6 states have return successors, (23), 6 states have call predecessors, (23), 6 states have call successors, (23) Word has length 109 [2022-11-22 02:16:03,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:16:03,212 INFO L225 Difference]: With dead ends: 451 [2022-11-22 02:16:03,213 INFO L226 Difference]: Without dead ends: 266 [2022-11-22 02:16:03,214 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=89, Invalid=667, Unknown=0, NotChecked=0, Total=756 [2022-11-22 02:16:03,215 INFO L413 NwaCegarLoop]: 133 mSDtfsCounter, 101 mSDsluCounter, 750 mSDsCounter, 0 mSdLazyCounter, 709 mSolverCounterSat, 28 mSolverCounterUnsat, 15 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 34.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 116 SdHoareTripleChecker+Valid, 883 SdHoareTripleChecker+Invalid, 752 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 709 IncrementalHoareTripleChecker+Invalid, 15 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 34.9s IncrementalHoareTripleChecker+Time [2022-11-22 02:16:03,215 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [116 Valid, 883 Invalid, 752 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 709 Invalid, 15 Unknown, 0 Unchecked, 34.9s Time] [2022-11-22 02:16:03,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2022-11-22 02:16:03,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 261. [2022-11-22 02:16:03,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 261 states, 140 states have (on average 1.1428571428571428) internal successors, (160), 146 states have internal predecessors, (160), 81 states have call successors, (81), 40 states have call predecessors, (81), 39 states have return successors, (91), 75 states have call predecessors, (91), 79 states have call successors, (91) [2022-11-22 02:16:03,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 261 states and 332 transitions. [2022-11-22 02:16:03,249 INFO L78 Accepts]: Start accepts. Automaton has 261 states and 332 transitions. Word has length 109 [2022-11-22 02:16:03,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:16:03,250 INFO L495 AbstractCegarLoop]: Abstraction has 261 states and 332 transitions. [2022-11-22 02:16:03,250 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 10 states have (on average 5.7) internal successors, (57), 11 states have internal predecessors, (57), 6 states have call successors, (24), 3 states have call predecessors, (24), 6 states have return successors, (23), 6 states have call predecessors, (23), 6 states have call successors, (23) [2022-11-22 02:16:03,250 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 332 transitions. [2022-11-22 02:16:03,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2022-11-22 02:16:03,253 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:16:03,254 INFO L195 NwaCegarLoop]: trace histogram [7, 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] [2022-11-22 02:16:03,271 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2daf703b-1338-4170-8cde-4de8237f5245/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-11-22 02:16:03,468 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2daf703b-1338-4170-8cde-4de8237f5245/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 02:16:03,469 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 02:16:03,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:16:03,469 INFO L85 PathProgramCache]: Analyzing trace with hash -1005422526, now seen corresponding path program 1 times [2022-11-22 02:16:03,469 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:16:03,470 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [954651951] [2022-11-22 02:16:03,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:16:03,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:16:03,572 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-22 02:16:03,572 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1897945968] [2022-11-22 02:16:03,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:16:03,573 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 02:16:03,573 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2daf703b-1338-4170-8cde-4de8237f5245/bin/utaipan-g80aRyZoba/z3 [2022-11-22 02:16:03,574 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2daf703b-1338-4170-8cde-4de8237f5245/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 02:16:03,587 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2daf703b-1338-4170-8cde-4de8237f5245/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-22 02:16:04,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:16:04,147 INFO L263 TraceCheckSpWp]: Trace formula consists of 2549 conjuncts, 39 conjunts are in the unsatisfiable core [2022-11-22 02:16:04,153 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 02:16:04,285 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 [2022-11-22 02:16:04,710 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-11-22 02:16:04,711 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-22 02:16:04,711 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:16:04,711 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [954651951] [2022-11-22 02:16:04,711 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-22 02:16:04,712 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1897945968] [2022-11-22 02:16:04,712 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1897945968] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:16:04,712 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:16:04,712 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-22 02:16:04,712 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [516196332] [2022-11-22 02:16:04,713 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:16:04,713 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-22 02:16:04,713 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:16:04,714 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-22 02:16:04,714 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2022-11-22 02:16:04,715 INFO L87 Difference]: Start difference. First operand 261 states and 332 transitions. Second operand has 11 states, 8 states have (on average 7.125) internal successors, (57), 8 states have internal predecessors, (57), 5 states have call successors, (24), 3 states have call predecessors, (24), 5 states have return successors, (23), 5 states have call predecessors, (23), 5 states have call successors, (23) [2022-11-22 02:16:09,019 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-22 02:16:11,126 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-22 02:16:13,147 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-22 02:16:15,377 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-22 02:16:17,403 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-22 02:16:19,519 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-22 02:16:21,588 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-22 02:16:23,733 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-22 02:16:25,738 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-22 02:16:27,855 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-22 02:16:29,884 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-22 02:16:31,903 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-22 02:16:33,957 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-22 02:16:35,997 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-22 02:16:38,398 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-22 02:16:40,472 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-22 02:16:40,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:16:40,509 INFO L93 Difference]: Finished difference Result 471 states and 583 transitions. [2022-11-22 02:16:40,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-22 02:16:40,510 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 8 states have (on average 7.125) internal successors, (57), 8 states have internal predecessors, (57), 5 states have call successors, (24), 3 states have call predecessors, (24), 5 states have return successors, (23), 5 states have call predecessors, (23), 5 states have call successors, (23) Word has length 109 [2022-11-22 02:16:40,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:16:40,513 INFO L225 Difference]: With dead ends: 471 [2022-11-22 02:16:40,513 INFO L226 Difference]: Without dead ends: 378 [2022-11-22 02:16:40,514 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=52, Invalid=220, Unknown=0, NotChecked=0, Total=272 [2022-11-22 02:16:40,515 INFO L413 NwaCegarLoop]: 151 mSDtfsCounter, 91 mSDsluCounter, 947 mSDsCounter, 0 mSdLazyCounter, 570 mSolverCounterSat, 25 mSolverCounterUnsat, 16 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 35.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 1098 SdHoareTripleChecker+Invalid, 611 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 570 IncrementalHoareTripleChecker+Invalid, 16 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 35.5s IncrementalHoareTripleChecker+Time [2022-11-22 02:16:40,515 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [105 Valid, 1098 Invalid, 611 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 570 Invalid, 16 Unknown, 0 Unchecked, 35.5s Time] [2022-11-22 02:16:40,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 378 states. [2022-11-22 02:16:40,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 378 to 375. [2022-11-22 02:16:40,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 375 states, 203 states have (on average 1.1379310344827587) internal successors, (231), 210 states have internal predecessors, (231), 109 states have call successors, (109), 63 states have call predecessors, (109), 62 states have return successors, (128), 102 states have call predecessors, (128), 107 states have call successors, (128) [2022-11-22 02:16:40,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 375 states and 468 transitions. [2022-11-22 02:16:40,568 INFO L78 Accepts]: Start accepts. Automaton has 375 states and 468 transitions. Word has length 109 [2022-11-22 02:16:40,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:16:40,569 INFO L495 AbstractCegarLoop]: Abstraction has 375 states and 468 transitions. [2022-11-22 02:16:40,569 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 8 states have (on average 7.125) internal successors, (57), 8 states have internal predecessors, (57), 5 states have call successors, (24), 3 states have call predecessors, (24), 5 states have return successors, (23), 5 states have call predecessors, (23), 5 states have call successors, (23) [2022-11-22 02:16:40,569 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 468 transitions. [2022-11-22 02:16:40,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-11-22 02:16:40,572 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:16:40,572 INFO L195 NwaCegarLoop]: trace histogram [7, 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] [2022-11-22 02:16:40,582 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2daf703b-1338-4170-8cde-4de8237f5245/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-22 02:16:40,778 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2daf703b-1338-4170-8cde-4de8237f5245/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 02:16:40,778 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 02:16:40,778 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:16:40,779 INFO L85 PathProgramCache]: Analyzing trace with hash -525855814, now seen corresponding path program 1 times [2022-11-22 02:16:40,779 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:16:40,779 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1736990305] [2022-11-22 02:16:40,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:16:40,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:16:40,863 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-22 02:16:40,863 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [819368605] [2022-11-22 02:16:40,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:16:40,863 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 02:16:40,864 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2daf703b-1338-4170-8cde-4de8237f5245/bin/utaipan-g80aRyZoba/z3 [2022-11-22 02:16:40,865 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2daf703b-1338-4170-8cde-4de8237f5245/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 02:16:40,894 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2daf703b-1338-4170-8cde-4de8237f5245/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-22 02:16:41,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:16:41,480 INFO L263 TraceCheckSpWp]: Trace formula consists of 2573 conjuncts, 35 conjunts are in the unsatisfiable core [2022-11-22 02:16:41,485 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 02:16:41,605 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 [2022-11-22 02:16:41,893 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-11-22 02:16:41,894 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-22 02:16:41,894 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:16:41,894 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1736990305] [2022-11-22 02:16:41,894 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-22 02:16:41,895 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [819368605] [2022-11-22 02:16:41,895 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [819368605] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:16:41,896 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:16:41,896 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-11-22 02:16:41,896 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1219822833] [2022-11-22 02:16:41,896 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:16:41,897 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-11-22 02:16:41,897 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:16:41,898 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-11-22 02:16:41,898 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2022-11-22 02:16:41,898 INFO L87 Difference]: Start difference. First operand 375 states and 468 transitions. Second operand has 14 states, 10 states have (on average 6.1) internal successors, (61), 11 states have internal predecessors, (61), 6 states have call successors, (25), 3 states have call predecessors, (25), 6 states have return successors, (24), 6 states have call predecessors, (24), 6 states have call successors, (24) [2022-11-22 02:16:44,073 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-22 02:16:49,846 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-22 02:16:51,946 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-22 02:16:53,974 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-22 02:16:56,059 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-22 02:16:58,092 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-22 02:17:00,234 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-22 02:17:02,267 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-22 02:17:04,423 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-22 02:17:06,440 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-22 02:17:08,576 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-22 02:17:10,588 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-22 02:17:12,645 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-22 02:17:14,690 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-22 02:17:17,223 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-22 02:17:19,336 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-22 02:17:19,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:17:19,378 INFO L93 Difference]: Finished difference Result 501 states and 618 transitions. [2022-11-22 02:17:19,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-11-22 02:17:19,378 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 10 states have (on average 6.1) internal successors, (61), 11 states have internal predecessors, (61), 6 states have call successors, (25), 3 states have call predecessors, (25), 6 states have return successors, (24), 6 states have call predecessors, (24), 6 states have call successors, (24) Word has length 115 [2022-11-22 02:17:19,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:17:19,381 INFO L225 Difference]: With dead ends: 501 [2022-11-22 02:17:19,381 INFO L226 Difference]: Without dead ends: 378 [2022-11-22 02:17:19,382 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=79, Invalid=427, Unknown=0, NotChecked=0, Total=506 [2022-11-22 02:17:19,383 INFO L413 NwaCegarLoop]: 148 mSDtfsCounter, 89 mSDsluCounter, 1160 mSDsCounter, 0 mSdLazyCounter, 857 mSolverCounterSat, 29 mSolverCounterUnsat, 15 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 37.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 103 SdHoareTripleChecker+Valid, 1308 SdHoareTripleChecker+Invalid, 901 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 857 IncrementalHoareTripleChecker+Invalid, 15 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 37.2s IncrementalHoareTripleChecker+Time [2022-11-22 02:17:19,383 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [103 Valid, 1308 Invalid, 901 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 857 Invalid, 15 Unknown, 0 Unchecked, 37.2s Time] [2022-11-22 02:17:19,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 378 states. [2022-11-22 02:17:19,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 378 to 375. [2022-11-22 02:17:19,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 375 states, 203 states have (on average 1.1330049261083743) internal successors, (230), 210 states have internal predecessors, (230), 109 states have call successors, (109), 63 states have call predecessors, (109), 62 states have return successors, (128), 102 states have call predecessors, (128), 107 states have call successors, (128) [2022-11-22 02:17:19,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 375 states and 467 transitions. [2022-11-22 02:17:19,428 INFO L78 Accepts]: Start accepts. Automaton has 375 states and 467 transitions. Word has length 115 [2022-11-22 02:17:19,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:17:19,428 INFO L495 AbstractCegarLoop]: Abstraction has 375 states and 467 transitions. [2022-11-22 02:17:19,428 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 10 states have (on average 6.1) internal successors, (61), 11 states have internal predecessors, (61), 6 states have call successors, (25), 3 states have call predecessors, (25), 6 states have return successors, (24), 6 states have call predecessors, (24), 6 states have call successors, (24) [2022-11-22 02:17:19,429 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 467 transitions. [2022-11-22 02:17:19,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2022-11-22 02:17:19,430 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:17:19,431 INFO L195 NwaCegarLoop]: trace histogram [7, 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, 1, 1, 1, 1] [2022-11-22 02:17:19,441 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2daf703b-1338-4170-8cde-4de8237f5245/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-11-22 02:17:19,641 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2daf703b-1338-4170-8cde-4de8237f5245/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2022-11-22 02:17:19,641 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 02:17:19,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:17:19,642 INFO L85 PathProgramCache]: Analyzing trace with hash -392164161, now seen corresponding path program 1 times [2022-11-22 02:17:19,642 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:17:19,642 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1221096411] [2022-11-22 02:17:19,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:17:19,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:17:19,727 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-22 02:17:19,727 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1633874672] [2022-11-22 02:17:19,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:17:19,728 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 02:17:19,728 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2daf703b-1338-4170-8cde-4de8237f5245/bin/utaipan-g80aRyZoba/z3 [2022-11-22 02:17:19,729 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2daf703b-1338-4170-8cde-4de8237f5245/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 02:17:19,735 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2daf703b-1338-4170-8cde-4de8237f5245/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-22 02:17:20,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:17:20,433 INFO L263 TraceCheckSpWp]: Trace formula consists of 2602 conjuncts, 146 conjunts are in the unsatisfiable core [2022-11-22 02:17:20,444 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 02:17:20,519 INFO L321 Elim1Store]: treesize reduction 117, result has 12.0 percent of original size [2022-11-22 02:17:20,520 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 8 case distinctions, treesize of input 55 treesize of output 54 [2022-11-22 02:17:20,625 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-22 02:17:20,936 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 [2022-11-22 02:17:21,281 INFO L321 Elim1Store]: treesize reduction 51, result has 35.4 percent of original size [2022-11-22 02:17:21,281 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 7 case distinctions, treesize of input 83 treesize of output 94 [2022-11-22 02:17:21,598 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 [2022-11-22 02:17:21,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:17:21,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:17:21,925 INFO L321 Elim1Store]: treesize reduction 232, result has 28.6 percent of original size [2022-11-22 02:17:21,925 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 16 case distinctions, treesize of input 103 treesize of output 165 [2022-11-22 02:17:23,129 WARN L859 $PredicateComparison]: unable to prove that (exists ((v_ArrVal_1160 (Array Int Int))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_aws_mul_size_checked_#in~r#1.base| v_ArrVal_1160))) is different from true [2022-11-22 02:17:23,259 WARN L859 $PredicateComparison]: unable to prove that (exists ((v_ArrVal_1161 (Array Int Int))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_aws_add_size_checked_#in~r#1.base| v_ArrVal_1161))) is different from true [2022-11-22 02:17:23,490 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-11-22 02:17:23,491 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 1 case distinctions, treesize of input 9 treesize of output 15 [2022-11-22 02:17:23,503 INFO L321 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2022-11-22 02:17:23,504 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 23 [2022-11-22 02:17:23,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:17:23,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:17:23,591 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-11-22 02:17:23,592 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 1 case distinctions, treesize of input 36 treesize of output 40 [2022-11-22 02:17:23,648 INFO L321 Elim1Store]: treesize reduction 21, result has 48.8 percent of original size [2022-11-22 02:17:23,648 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 34 treesize of output 45 [2022-11-22 02:17:25,860 WARN L859 $PredicateComparison]: unable to prove that (exists ((|v_ULTIMATE.start_aws_hash_table_swap_~b#1.base_BEFORE_CALL_1| Int)) (let ((.cse0 (select (select |c_#memory_$Pointer$.base| |v_ULTIMATE.start_aws_hash_table_swap_~b#1.base_BEFORE_CALL_1|) 0))) (and (<= (+ 2 .cse0) |v_ULTIMATE.start_aws_hash_table_swap_~b#1.base_BEFORE_CALL_1|) (<= 2 |v_ULTIMATE.start_aws_hash_table_swap_~b#1.base_BEFORE_CALL_1|) (not (= .cse0 0))))) is different from true [2022-11-22 02:17:26,017 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 35 [2022-11-22 02:17:26,024 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 38 [2022-11-22 02:17:26,029 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 23 treesize of output 17 [2022-11-22 02:17:28,136 WARN L859 $PredicateComparison]: unable to prove that (exists ((|v_ULTIMATE.start_aws_hash_table_swap_harness_~#a~5#1.base_BEFORE_CALL_9| Int)) (let ((.cse0 (select (select |c_#memory_$Pointer$.base| |v_ULTIMATE.start_aws_hash_table_swap_harness_~#a~5#1.base_BEFORE_CALL_9|) 0))) (and (<= (+ 2 .cse0) |v_ULTIMATE.start_aws_hash_table_swap_harness_~#a~5#1.base_BEFORE_CALL_9|) (not (= .cse0 0)) (<= 2 |v_ULTIMATE.start_aws_hash_table_swap_harness_~#a~5#1.base_BEFORE_CALL_9|)))) is different from true [2022-11-22 02:17:28,756 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 2 proven. 34 refuted. 0 times theorem prover too weak. 12 trivial. 13 not checked. [2022-11-22 02:17:28,756 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-22 02:17:29,178 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 [2022-11-22 02:17:29,453 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 [2022-11-22 02:17:29,613 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:17:29,613 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1221096411] [2022-11-22 02:17:29,613 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-22 02:17:29,613 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1633874672] [2022-11-22 02:17:29,614 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1633874672] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-22 02:17:29,614 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [295902926] [2022-11-22 02:17:29,640 INFO L159 IcfgInterpreter]: Started Sifa with 89 locations of interest [2022-11-22 02:17:29,640 INFO L166 IcfgInterpreter]: Building call graph [2022-11-22 02:17:29,645 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-22 02:17:29,650 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-22 02:17:29,651 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-22 02:17:33,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:17:33,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:17:33,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:17:33,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:17:34,161 INFO L217 Elim1Store]: Index analysis took 1394 ms [2022-11-22 02:19:53,797 WARN L233 SmtUtils]: Spent 2.33m on a formula simplification. DAG size of input: 3740 DAG size of output: 1771 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-22 02:19:53,806 INFO L321 Elim1Store]: treesize reduction 11395, result has 23.7 percent of original size [2022-11-22 02:19:53,811 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 196 select indices, 196 select index equivalence classes, 19118 disjoint index pairs (out of 19110 index pairs), introduced 196 new quantified variables, introduced 198 case distinctions, treesize of input 996 treesize of output 4132 [2022-11-22 02:19:59,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:20:01,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:20:03,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:20:03,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:20:06,042 INFO L217 Elim1Store]: Index analysis took 7270 ms [2022-11-22 02:24:20,378 WARN L233 SmtUtils]: Spent 4.24m on a formula simplification. DAG size of input: 5120 DAG size of output: 2353 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-22 02:24:20,385 INFO L321 Elim1Store]: treesize reduction 17106, result has 19.4 percent of original size [2022-11-22 02:24:20,390 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 201 select indices, 201 select index equivalence classes, 19314 disjoint index pairs (out of 20100 index pairs), introduced 201 new quantified variables, introduced 987 case distinctions, treesize of input 1045 treesize of output 4753 [2022-11-22 02:25:15,380 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 [2022-11-22 02:25:15,388 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 [2022-11-22 02:25:15,413 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 [2022-11-22 02:25:15,420 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 [2022-11-22 02:25:15,441 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 [2022-11-22 02:25:15,447 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 [2022-11-22 02:25:15,487 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 [2022-11-22 02:25:15,493 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 [2022-11-22 02:25:15,500 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 [2022-11-22 02:25:15,510 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 [2022-11-22 02:25:15,688 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 [2022-11-22 02:25:15,697 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 [2022-11-22 02:25:15,748 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 [2022-11-22 02:25:15,755 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 [2022-11-22 02:25:15,797 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 [2022-11-22 02:25:15,825 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 [2022-11-22 02:25:15,830 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 [2022-11-22 02:25:15,873 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 [2022-11-22 02:25:15,880 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 [2022-11-22 02:25:15,891 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 [2022-11-22 02:25:15,901 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 [2022-11-22 02:25:15,928 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 [2022-11-22 02:25:15,952 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 [2022-11-22 02:25:15,979 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-22 02:25:15,980 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 [2022-11-22 02:25:16,024 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 [2022-11-22 02:25:16,031 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 [2022-11-22 02:25:16,062 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 [2022-11-22 02:25:16,070 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 [2022-11-22 02:25:16,109 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 [2022-11-22 02:25:16,115 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 [2022-11-22 02:25:16,160 INFO L321 Elim1Store]: treesize reduction 21, result has 47.5 percent of original size [2022-11-22 02:25:16,160 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 1 case distinctions, treesize of input 31 treesize of output 27 [2022-11-22 02:25:16,193 INFO L321 Elim1Store]: treesize reduction 25, result has 43.2 percent of original size [2022-11-22 02:25:16,193 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 1 case distinctions, treesize of input 35 treesize of output 19 [2022-11-22 02:25:16,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:25:16,261 INFO L321 Elim1Store]: treesize reduction 44, result has 44.3 percent of original size [2022-11-22 02:25:16,262 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 2 case distinctions, treesize of input 69 treesize of output 60 [2022-11-22 02:25:16,294 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-11-22 02:25:16,295 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 [2022-11-22 02:25:16,360 INFO L321 Elim1Store]: treesize reduction 21, result has 47.5 percent of original size [2022-11-22 02:25:16,361 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 1 case distinctions, treesize of input 31 treesize of output 27 [2022-11-22 02:25:26,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:25:26,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:25:26,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:25:26,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:25:26,900 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 200 select indices, 200 select index equivalence classes, 19904 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 [2022-11-22 02:25:28,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:25:28,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:25:28,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:25:28,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:25:28,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:25:28,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:25:28,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:25:28,665 INFO L217 Elim1Store]: Index analysis took 127 ms [2022-11-22 02:25:28,706 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 [2022-11-22 02:25:29,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:25:29,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:25:29,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:25:29,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:25:29,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:25:29,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:25:29,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:25:29,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:25:29,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:25:29,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:25:29,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:25:29,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:25:29,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:25:29,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:25:29,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:25:29,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:25:29,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:25:29,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:25:29,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:25:29,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:25:29,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:25:29,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:25:29,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:25:29,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:25:29,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:25:29,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:25:29,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:25:29,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:25:29,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:25:29,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:25:29,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:25:29,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:25:29,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:25:29,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:25:29,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:25:29,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:25:29,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:25:29,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:25:29,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:25:29,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:25:29,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:25:29,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:25:29,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:25:29,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:25:29,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:25:29,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:25:29,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:25:29,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:25:29,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:25:29,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:25:29,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:25:29,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:25:29,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:25:29,627 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 [2022-11-22 02:25:30,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:25:30,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:25:30,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:25:30,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:25:30,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:25:30,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:25:30,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:25:30,770 INFO L217 Elim1Store]: Index analysis took 113 ms [2022-11-22 02:25:30,797 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 [2022-11-22 02:25:32,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:25:32,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:25:32,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:25:32,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:25:32,721 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 201 select indices, 201 select index equivalence classes, 20100 disjoint index pairs (out of 20100 index pairs), introduced 201 new quantified variables, introduced 0 case distinctions, treesize of input 1006 treesize of output 604 [2022-11-22 02:26:03,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:26:03,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:26:03,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:26:03,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:26:03,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:26:03,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:26:03,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:26:03,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:26:03,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:26:03,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:26:03,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:26:03,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:26:03,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:26:03,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:26:03,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:26:03,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:26:03,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:26:03,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:26:03,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:26:03,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:26:03,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:26:03,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:26:03,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:26:03,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:26:03,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:26:03,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:26:03,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:26:03,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:26:03,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:26:03,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:26:03,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:26:03,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:26:03,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:26:04,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:26:04,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:26:04,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:26:04,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:26:04,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:26:04,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:26:04,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:26:04,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:26:04,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:26:04,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:26:04,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:26:04,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:26:04,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:26:04,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:26:04,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:26:04,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:26:04,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:26:04,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:26:04,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:26:04,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:26:04,041 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 53 select indices, 53 select index equivalence classes, 1045 disjoint index pairs (out of 1378 index pairs), introduced 53 new quantified variables, introduced 0 case distinctions, treesize of input 464 treesize of output 160 [2022-11-22 02:26:05,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:26:05,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:26:05,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:26:05,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:26:05,246 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 200 select indices, 200 select index equivalence classes, 19904 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 [2022-11-22 02:26:06,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:26:06,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:26:06,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:26:06,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:26:06,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:26:06,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:26:06,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:26:06,471 INFO L217 Elim1Store]: Index analysis took 113 ms [2022-11-22 02:26:06,502 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 [2022-11-22 02:26:07,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:26:07,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:26:07,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:26:08,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:26:08,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:26:08,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:26:08,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:26:08,099 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 [2022-11-22 02:26:09,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:26:09,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:26:09,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:26:09,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:26:09,360 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 201 select indices, 201 select index equivalence classes, 20100 disjoint index pairs (out of 20100 index pairs), introduced 201 new quantified variables, introduced 0 case distinctions, treesize of input 1006 treesize of output 604 [2022-11-22 02:26:17,572 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 [2022-11-22 02:26:17,580 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 [2022-11-22 02:26:17,606 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 7 treesize of output 3 [2022-11-22 02:26:17,617 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 [2022-11-22 02:26:17,623 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 [2022-11-22 02:26:17,629 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 [2022-11-22 02:26:17,635 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 [2022-11-22 02:26:17,660 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 [2022-11-22 02:26:17,669 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 [2022-11-22 02:26:17,675 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 [2022-11-22 02:26:17,681 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 [2022-11-22 02:26:17,688 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 [2022-11-22 02:26:17,726 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 [2022-11-22 02:26:17,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:26:17,969 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 31 treesize of output 7 [2022-11-22 02:26:17,984 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:26:17,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:26:18,002 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:26:18,002 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:26:18,068 INFO L321 Elim1Store]: treesize reduction 88, result has 11.1 percent of original size [2022-11-22 02:26:18,068 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 100 treesize of output 82 [2022-11-22 02:26:18,084 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:26:18,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:26:18,102 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:26:18,103 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:26:18,152 INFO L321 Elim1Store]: treesize reduction 88, result has 11.1 percent of original size [2022-11-22 02:26:18,153 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 100 treesize of output 82 [2022-11-22 02:26:18,207 INFO L321 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-11-22 02:26:18,207 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 17 [2022-11-22 02:26:18,228 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 [2022-11-22 02:26:18,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:26:18,317 INFO L321 Elim1Store]: treesize reduction 12, result has 60.0 percent of original size [2022-11-22 02:26:18,317 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 57 treesize of output 43 [2022-11-22 02:26:18,334 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 7 treesize of output 5 [2022-11-22 02:26:18,352 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 9 treesize of output 7 [2022-11-22 02:26:18,372 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:26:18,373 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2022-11-22 02:26:18,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:26:18,403 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 35 treesize of output 9 [2022-11-22 02:26:18,419 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 9 treesize of output 7 [2022-11-22 02:26:18,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:26:18,547 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 31 treesize of output 7 [2022-11-22 02:26:41,518 INFO L197 IcfgInterpreter]: Interpreting procedure ensure_allocated_hash_table with input of size 4034 for LOIs