./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_hash_table_eq_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 38b53e6a 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_dd46281c-9a26-4a0f-8c72-553ac39c2ef9/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd46281c-9a26-4a0f-8c72-553ac39c2ef9/bin/utaipan-ByfvJB40ur/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd46281c-9a26-4a0f-8c72-553ac39c2ef9/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd46281c-9a26-4a0f-8c72-553ac39c2ef9/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_hash_table_eq_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd46281c-9a26-4a0f-8c72-553ac39c2ef9/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd46281c-9a26-4a0f-8c72-553ac39c2ef9/bin/utaipan-ByfvJB40ur --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 66d360c8c29bda7e5219dac4b14837aec8d465009822b05f671b68702d836670 --- 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-38b53e6 [2022-11-25 22:22:57,002 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 22:22:57,006 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 22:22:57,054 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 22:22:57,056 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 22:22:57,057 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 22:22:57,061 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 22:22:57,068 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 22:22:57,071 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 22:22:57,073 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 22:22:57,076 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 22:22:57,078 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 22:22:57,081 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 22:22:57,086 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 22:22:57,093 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 22:22:57,094 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 22:22:57,098 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 22:22:57,107 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 22:22:57,109 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 22:22:57,111 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 22:22:57,113 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 22:22:57,115 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 22:22:57,123 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 22:22:57,125 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 22:22:57,129 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 22:22:57,133 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 22:22:57,134 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 22:22:57,135 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 22:22:57,137 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 22:22:57,139 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 22:22:57,141 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 22:22:57,142 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 22:22:57,144 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 22:22:57,146 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 22:22:57,147 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 22:22:57,148 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 22:22:57,149 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 22:22:57,149 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 22:22:57,149 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 22:22:57,152 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 22:22:57,153 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 22:22:57,154 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd46281c-9a26-4a0f-8c72-553ac39c2ef9/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-25 22:22:57,208 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 22:22:57,214 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 22:22:57,215 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 22:22:57,215 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 22:22:57,216 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 22:22:57,217 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 22:22:57,217 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-25 22:22:57,217 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-25 22:22:57,218 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-25 22:22:57,218 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-25 22:22:57,219 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-25 22:22:57,220 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-25 22:22:57,220 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-25 22:22:57,220 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-25 22:22:57,221 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-25 22:22:57,221 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-25 22:22:57,221 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-25 22:22:57,222 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-25 22:22:57,223 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 22:22:57,223 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 22:22:57,223 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 22:22:57,224 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 22:22:57,224 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 22:22:57,224 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 22:22:57,224 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 22:22:57,225 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 22:22:57,226 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 22:22:57,226 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 22:22:57,226 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 22:22:57,227 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 22:22:57,227 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 22:22:57,228 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-25 22:22:57,228 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 22:22:57,228 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 22:22:57,229 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-25 22:22:57,229 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 22:22:57,229 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 22:22:57,230 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-25 22:22:57,230 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_dd46281c-9a26-4a0f-8c72-553ac39c2ef9/bin/utaipan-ByfvJB40ur/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd46281c-9a26-4a0f-8c72-553ac39c2ef9/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 66d360c8c29bda7e5219dac4b14837aec8d465009822b05f671b68702d836670 [2022-11-25 22:22:57,538 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 22:22:57,568 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 22:22:57,571 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 22:22:57,573 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 22:22:57,574 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 22:22:57,575 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd46281c-9a26-4a0f-8c72-553ac39c2ef9/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/aws-c-common/aws_hash_table_eq_harness.i [2022-11-25 22:23:01,060 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 22:23:01,623 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 22:23:01,624 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd46281c-9a26-4a0f-8c72-553ac39c2ef9/sv-benchmarks/c/aws-c-common/aws_hash_table_eq_harness.i [2022-11-25 22:23:01,664 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd46281c-9a26-4a0f-8c72-553ac39c2ef9/bin/utaipan-ByfvJB40ur/data/9f9bf00db/92e3d32bb62b43f7a445952e463ae794/FLAGbda1c7d22 [2022-11-25 22:23:01,684 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd46281c-9a26-4a0f-8c72-553ac39c2ef9/bin/utaipan-ByfvJB40ur/data/9f9bf00db/92e3d32bb62b43f7a445952e463ae794 [2022-11-25 22:23:01,691 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 22:23:01,692 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 22:23:01,694 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 22:23:01,694 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 22:23:01,698 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 22:23:01,700 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:23:01" (1/1) ... [2022-11-25 22:23:01,701 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@325a73db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:23:01, skipping insertion in model container [2022-11-25 22:23:01,701 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:23:01" (1/1) ... [2022-11-25 22:23:01,710 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 22:23:01,870 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 22:23:02,156 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_dd46281c-9a26-4a0f-8c72-553ac39c2ef9/sv-benchmarks/c/aws-c-common/aws_hash_table_eq_harness.i[4491,4504] [2022-11-25 22:23:02,173 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_dd46281c-9a26-4a0f-8c72-553ac39c2ef9/sv-benchmarks/c/aws-c-common/aws_hash_table_eq_harness.i[4551,4564] [2022-11-25 22:23:03,778 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 22:23:03,779 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 22:23:03,780 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 22:23:03,781 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 22:23:03,783 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 22:23:03,802 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 22:23:03,803 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 22:23:03,806 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 22:23:03,807 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 22:23:03,809 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 22:23:03,811 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 22:23:03,812 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 22:23:03,813 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 22:23:03,939 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-11-25 22:23:03,940 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-11-25 22:23:03,941 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-11-25 22:23:03,948 WARN L623 FunctionHandler]: Unknown extern function ntohl [2022-11-25 22:23:03,951 WARN L623 FunctionHandler]: Unknown extern function htons [2022-11-25 22:23:03,952 WARN L623 FunctionHandler]: Unknown extern function ntohs [2022-11-25 22:23:04,464 WARN L623 FunctionHandler]: Unknown extern function my_abort [2022-11-25 22:23:04,466 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-25 22:23:04,468 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-25 22:23:04,469 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-25 22:23:04,471 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-25 22:23:04,473 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-25 22:23:04,473 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-25 22:23:04,474 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-25 22:23:04,488 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-25 22:23:04,489 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-25 22:23:04,490 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-25 22:23:04,749 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-25 22:23:04,834 WARN L623 FunctionHandler]: Unknown extern function fprintf [2022-11-25 22:23:05,165 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 22:23:05,166 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 22:23:05,193 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 22:23:05,195 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 22:23:05,203 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 22:23:05,203 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 22:23:05,270 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 22:23:05,273 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 22:23:05,274 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 22:23:05,275 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 22:23:05,275 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 22:23:05,281 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 22:23:05,281 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 22:23:05,360 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 22:23:05,412 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 22:23:05,444 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_dd46281c-9a26-4a0f-8c72-553ac39c2ef9/sv-benchmarks/c/aws-c-common/aws_hash_table_eq_harness.i[4491,4504] [2022-11-25 22:23:05,445 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_dd46281c-9a26-4a0f-8c72-553ac39c2ef9/sv-benchmarks/c/aws-c-common/aws_hash_table_eq_harness.i[4551,4564] [2022-11-25 22:23:05,508 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 22:23:05,509 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 22:23:05,509 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 22:23:05,510 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 22:23:05,511 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 22:23:05,520 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 22:23:05,522 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 22:23:05,524 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 22:23:05,525 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 22:23:05,529 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 22:23:05,531 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 22:23:05,532 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 22:23:05,533 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 22:23:05,542 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-11-25 22:23:05,543 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-11-25 22:23:05,545 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-11-25 22:23:05,552 WARN L623 FunctionHandler]: Unknown extern function ntohl [2022-11-25 22:23:05,554 WARN L623 FunctionHandler]: Unknown extern function htons [2022-11-25 22:23:05,556 WARN L623 FunctionHandler]: Unknown extern function ntohs [2022-11-25 22:23:05,590 WARN L623 FunctionHandler]: Unknown extern function my_abort [2022-11-25 22:23:05,591 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-25 22:23:05,592 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-25 22:23:05,593 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-25 22:23:05,594 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-25 22:23:05,597 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-25 22:23:05,597 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-25 22:23:05,598 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-25 22:23:05,598 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-25 22:23:05,599 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-25 22:23:05,600 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-25 22:23:05,646 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-25 22:23:05,703 WARN L623 FunctionHandler]: Unknown extern function fprintf [2022-11-25 22:23:05,797 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 22:23:05,797 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 22:23:05,806 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 22:23:05,808 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 22:23:05,811 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 22:23:05,811 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 22:23:05,822 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 22:23:05,822 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 22:23:05,823 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 22:23:05,824 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 22:23:05,824 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 22:23:05,825 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 22:23:05,825 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 22:23:05,852 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 22:23:06,272 INFO L208 MainTranslator]: Completed translation [2022-11-25 22:23:06,273 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:23:06 WrapperNode [2022-11-25 22:23:06,273 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 22:23:06,275 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 22:23:06,275 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 22:23:06,275 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 22:23:06,284 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:23:06" (1/1) ... [2022-11-25 22:23:06,396 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:23:06" (1/1) ... [2022-11-25 22:23:06,494 INFO L138 Inliner]: procedures = 774, calls = 2454, calls flagged for inlining = 68, calls inlined = 18, statements flattened = 944 [2022-11-25 22:23:06,498 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 22:23:06,500 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 22:23:06,500 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 22:23:06,500 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 22:23:06,512 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:23:06" (1/1) ... [2022-11-25 22:23:06,513 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:23:06" (1/1) ... [2022-11-25 22:23:06,535 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:23:06" (1/1) ... [2022-11-25 22:23:06,535 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:23:06" (1/1) ... [2022-11-25 22:23:06,603 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:23:06" (1/1) ... [2022-11-25 22:23:06,619 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:23:06" (1/1) ... [2022-11-25 22:23:06,636 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:23:06" (1/1) ... [2022-11-25 22:23:06,656 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:23:06" (1/1) ... [2022-11-25 22:23:06,670 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 22:23:06,684 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 22:23:06,685 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 22:23:06,685 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 22:23:06,686 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:23:06" (1/1) ... [2022-11-25 22:23:06,694 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 22:23:06,708 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd46281c-9a26-4a0f-8c72-553ac39c2ef9/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 22:23:06,733 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd46281c-9a26-4a0f-8c72-553ac39c2ef9/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 22:23:06,827 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd46281c-9a26-4a0f-8c72-553ac39c2ef9/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 22:23:06,855 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2022-11-25 22:23:06,855 INFO L130 BoogieDeclarations]: Found specification of procedure save_byte_from_hash_table [2022-11-25 22:23:06,856 INFO L138 BoogieDeclarations]: Found implementation of procedure save_byte_from_hash_table [2022-11-25 22:23:06,856 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-25 22:23:06,856 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2022-11-25 22:23:06,856 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2022-11-25 22:23:06,857 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-11-25 22:23:06,857 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-11-25 22:23:06,858 INFO L130 BoogieDeclarations]: Found specification of procedure hash_table_state_is_valid [2022-11-25 22:23:06,858 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_table_state_is_valid [2022-11-25 22:23:06,858 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-25 22:23:06,858 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 22:23:06,858 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-25 22:23:06,859 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 22:23:06,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 22:23:06,859 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2022-11-25 22:23:06,859 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2022-11-25 22:23:06,860 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2022-11-25 22:23:06,861 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2022-11-25 22:23:06,865 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-25 22:23:06,866 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2022-11-25 22:23:06,866 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2022-11-25 22:23:06,866 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-25 22:23:06,866 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2022-11-25 22:23:06,866 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2022-11-25 22:23:06,868 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-25 22:23:06,868 INFO L130 BoogieDeclarations]: Found specification of procedure s_hash_for [2022-11-25 22:23:06,868 INFO L138 BoogieDeclarations]: Found implementation of procedure s_hash_for [2022-11-25 22:23:06,876 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_power_of_two [2022-11-25 22:23:06,876 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_power_of_two [2022-11-25 22:23:06,876 INFO L130 BoogieDeclarations]: Found specification of procedure s_hash_keys_eq [2022-11-25 22:23:06,876 INFO L138 BoogieDeclarations]: Found implementation of procedure s_hash_keys_eq [2022-11-25 22:23:06,877 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_uninterpreted_equals [2022-11-25 22:23:06,877 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_uninterpreted_equals [2022-11-25 22:23:06,877 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-25 22:23:06,877 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hash_table_get_entry_count [2022-11-25 22:23:06,878 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hash_table_get_entry_count [2022-11-25 22:23:06,878 INFO L130 BoogieDeclarations]: Found specification of procedure hash_table_state_required_bytes [2022-11-25 22:23:06,878 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_table_state_required_bytes [2022-11-25 22:23:06,878 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_uninterpreted_hasher [2022-11-25 22:23:06,878 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_uninterpreted_hasher [2022-11-25 22:23:06,879 INFO L130 BoogieDeclarations]: Found specification of procedure s_safe_eq_check [2022-11-25 22:23:06,879 INFO L138 BoogieDeclarations]: Found implementation of procedure s_safe_eq_check [2022-11-25 22:23:06,879 INFO L130 BoogieDeclarations]: Found specification of procedure s_find_entry [2022-11-25 22:23:06,880 INFO L138 BoogieDeclarations]: Found implementation of procedure s_find_entry [2022-11-25 22:23:06,880 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-25 22:23:06,880 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-25 22:23:06,880 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hash_table_is_valid [2022-11-25 22:23:06,880 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hash_table_is_valid [2022-11-25 22:23:06,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-25 22:23:06,881 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_allocated_hash_table [2022-11-25 22:23:06,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_allocated_hash_table [2022-11-25 22:23:06,881 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2022-11-25 22:23:06,882 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2022-11-25 22:23:06,882 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2022-11-25 22:23:06,882 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2022-11-25 22:23:06,882 INFO L130 BoogieDeclarations]: Found specification of procedure check_hash_table_unchanged [2022-11-25 22:23:06,882 INFO L138 BoogieDeclarations]: Found implementation of procedure check_hash_table_unchanged [2022-11-25 22:23:06,883 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-25 22:23:06,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-25 22:23:06,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 22:23:07,441 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 22:23:07,445 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 22:23:07,741 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##5: assume !true; [2022-11-25 22:23:07,847 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume !true; [2022-11-25 22:23:09,059 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##39: assume !true; [2022-11-25 22:23:09,060 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##28: assume !true; [2022-11-25 22:23:09,060 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume !true; [2022-11-25 22:23:09,060 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##60: assume !true; [2022-11-25 22:23:09,061 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##51: assume !true; [2022-11-25 22:23:09,096 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 22:23:09,273 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 22:23:09,274 INFO L300 CfgBuilder]: Removed 16 assume(true) statements. [2022-11-25 22:23:09,278 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 10:23:09 BoogieIcfgContainer [2022-11-25 22:23:09,278 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 22:23:09,281 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 22:23:09,281 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 22:23:09,285 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 22:23:09,286 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 10:23:01" (1/3) ... [2022-11-25 22:23:09,287 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1fd02b48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 10:23:09, skipping insertion in model container [2022-11-25 22:23:09,287 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:23:06" (2/3) ... [2022-11-25 22:23:09,287 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1fd02b48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 10:23:09, skipping insertion in model container [2022-11-25 22:23:09,288 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 10:23:09" (3/3) ... [2022-11-25 22:23:09,289 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_hash_table_eq_harness.i [2022-11-25 22:23:09,314 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 22:23:09,315 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-25 22:23:09,411 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 22:23:09,427 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;@1d3e681b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 22:23:09,428 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-25 22:23:09,437 INFO L276 IsEmpty]: Start isEmpty. Operand has 247 states, 139 states have (on average 1.223021582733813) internal successors, (170), 133 states have internal predecessors, (170), 89 states have call successors, (89), 24 states have call predecessors, (89), 24 states have return successors, (89), 89 states have call predecessors, (89), 89 states have call successors, (89) [2022-11-25 22:23:09,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2022-11-25 22:23:09,467 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:23:09,468 INFO L195 NwaCegarLoop]: trace histogram [17, 7, 7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 22:23:09,469 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 22:23:09,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:23:09,476 INFO L85 PathProgramCache]: Analyzing trace with hash -2010727539, now seen corresponding path program 1 times [2022-11-25 22:23:09,489 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:23:09,489 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [750573244] [2022-11-25 22:23:09,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:23:09,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:23:10,018 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-25 22:23:10,019 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [475847513] [2022-11-25 22:23:10,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:23:10,020 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 22:23:10,020 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd46281c-9a26-4a0f-8c72-553ac39c2ef9/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 22:23:10,025 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd46281c-9a26-4a0f-8c72-553ac39c2ef9/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 22:23:10,037 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd46281c-9a26-4a0f-8c72-553ac39c2ef9/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-25 22:23:11,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:23:11,271 INFO L263 TraceCheckSpWp]: Trace formula consists of 3266 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-25 22:23:11,289 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 22:23:11,437 INFO L134 CoverageAnalysis]: Checked inductivity of 466 backedges. 105 proven. 0 refuted. 0 times theorem prover too weak. 361 trivial. 0 not checked. [2022-11-25 22:23:11,438 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 22:23:11,438 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:23:11,438 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [750573244] [2022-11-25 22:23:11,439 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-25 22:23:11,439 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [475847513] [2022-11-25 22:23:11,440 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [475847513] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:23:11,440 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:23:11,440 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 22:23:11,448 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [705295737] [2022-11-25 22:23:11,449 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:23:11,461 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 22:23:11,461 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:23:11,525 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 22:23:11,526 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 22:23:11,533 INFO L87 Difference]: Start difference. First operand has 247 states, 139 states have (on average 1.223021582733813) internal successors, (170), 133 states have internal predecessors, (170), 89 states have call successors, (89), 24 states have call predecessors, (89), 24 states have return successors, (89), 89 states have call predecessors, (89), 89 states have call successors, (89) Second operand has 5 states, 4 states have (on average 13.75) internal successors, (55), 5 states have internal predecessors, (55), 2 states have call successors, (40), 2 states have call predecessors, (40), 3 states have return successors, (39), 3 states have call predecessors, (39), 2 states have call successors, (39) [2022-11-25 22:23:12,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:23:12,708 INFO L93 Difference]: Finished difference Result 496 states and 728 transitions. [2022-11-25 22:23:12,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 22:23:12,713 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 13.75) internal successors, (55), 5 states have internal predecessors, (55), 2 states have call successors, (40), 2 states have call predecessors, (40), 3 states have return successors, (39), 3 states have call predecessors, (39), 2 states have call successors, (39) Word has length 213 [2022-11-25 22:23:12,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:23:12,727 INFO L225 Difference]: With dead ends: 496 [2022-11-25 22:23:12,742 INFO L226 Difference]: Without dead ends: 249 [2022-11-25 22:23:12,749 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 213 GetRequests, 209 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-25 22:23:12,753 INFO L413 NwaCegarLoop]: 306 mSDtfsCounter, 1 mSDsluCounter, 913 mSDsCounter, 0 mSdLazyCounter, 132 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1219 SdHoareTripleChecker+Invalid, 133 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 132 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-11-25 22:23:12,758 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1219 Invalid, 133 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 132 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-11-25 22:23:12,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 249 states. [2022-11-25 22:23:12,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 249 to 249. [2022-11-25 22:23:12,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 249 states, 134 states have (on average 1.208955223880597) internal successors, (162), 135 states have internal predecessors, (162), 89 states have call successors, (89), 24 states have call predecessors, (89), 25 states have return successors, (89), 89 states have call predecessors, (89), 88 states have call successors, (89) [2022-11-25 22:23:12,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 249 states and 340 transitions. [2022-11-25 22:23:12,878 INFO L78 Accepts]: Start accepts. Automaton has 249 states and 340 transitions. Word has length 213 [2022-11-25 22:23:12,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:23:12,880 INFO L495 AbstractCegarLoop]: Abstraction has 249 states and 340 transitions. [2022-11-25 22:23:12,881 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 13.75) internal successors, (55), 5 states have internal predecessors, (55), 2 states have call successors, (40), 2 states have call predecessors, (40), 3 states have return successors, (39), 3 states have call predecessors, (39), 2 states have call successors, (39) [2022-11-25 22:23:12,881 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 340 transitions. [2022-11-25 22:23:12,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2022-11-25 22:23:12,901 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:23:12,902 INFO L195 NwaCegarLoop]: trace histogram [17, 7, 7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 22:23:12,927 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd46281c-9a26-4a0f-8c72-553ac39c2ef9/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-25 22:23:13,116 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd46281c-9a26-4a0f-8c72-553ac39c2ef9/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2022-11-25 22:23:13,117 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 22:23:13,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:23:13,118 INFO L85 PathProgramCache]: Analyzing trace with hash -1596290227, now seen corresponding path program 1 times [2022-11-25 22:23:13,118 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:23:13,118 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [348602367] [2022-11-25 22:23:13,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:23:13,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:23:13,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:23:17,602 INFO L134 CoverageAnalysis]: Checked inductivity of 490 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 458 trivial. 0 not checked. [2022-11-25 22:23:17,603 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:23:17,604 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [348602367] [2022-11-25 22:23:17,604 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [348602367] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 22:23:17,604 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1554085708] [2022-11-25 22:23:17,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:23:17,605 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 22:23:17,605 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd46281c-9a26-4a0f-8c72-553ac39c2ef9/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 22:23:17,607 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd46281c-9a26-4a0f-8c72-553ac39c2ef9/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 22:23:17,627 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd46281c-9a26-4a0f-8c72-553ac39c2ef9/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-25 22:23:18,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:23:18,654 INFO L263 TraceCheckSpWp]: Trace formula consists of 3278 conjuncts, 17 conjunts are in the unsatisfiable core [2022-11-25 22:23:18,669 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 22:23:18,801 INFO L134 CoverageAnalysis]: Checked inductivity of 490 backedges. 221 proven. 0 refuted. 0 times theorem prover too weak. 269 trivial. 0 not checked. [2022-11-25 22:23:18,804 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 22:23:18,805 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1554085708] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:23:18,805 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-25 22:23:18,805 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [10] total 14 [2022-11-25 22:23:18,806 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [100249503] [2022-11-25 22:23:18,806 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:23:18,809 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-25 22:23:18,809 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:23:18,811 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-25 22:23:18,812 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2022-11-25 22:23:18,812 INFO L87 Difference]: Start difference. First operand 249 states and 340 transitions. Second operand has 6 states, 3 states have (on average 23.0) internal successors, (69), 5 states have internal predecessors, (69), 3 states have call successors, (45), 2 states have call predecessors, (45), 4 states have return successors, (44), 3 states have call predecessors, (44), 3 states have call successors, (44) [2022-11-25 22:23:19,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:23:19,946 INFO L93 Difference]: Finished difference Result 497 states and 694 transitions. [2022-11-25 22:23:19,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-25 22:23:19,947 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 3 states have (on average 23.0) internal successors, (69), 5 states have internal predecessors, (69), 3 states have call successors, (45), 2 states have call predecessors, (45), 4 states have return successors, (44), 3 states have call predecessors, (44), 3 states have call successors, (44) Word has length 229 [2022-11-25 22:23:19,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:23:19,953 INFO L225 Difference]: With dead ends: 497 [2022-11-25 22:23:19,953 INFO L226 Difference]: Without dead ends: 251 [2022-11-25 22:23:19,956 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 238 GetRequests, 226 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2022-11-25 22:23:19,958 INFO L413 NwaCegarLoop]: 287 mSDtfsCounter, 0 mSDsluCounter, 1103 mSDsCounter, 0 mSdLazyCounter, 288 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1390 SdHoareTripleChecker+Invalid, 288 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 288 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-11-25 22:23:19,958 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1390 Invalid, 288 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 288 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-11-25 22:23:19,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 251 states. [2022-11-25 22:23:20,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 251 to 251. [2022-11-25 22:23:20,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 251 states, 135 states have (on average 1.2074074074074075) internal successors, (163), 137 states have internal predecessors, (163), 89 states have call successors, (89), 24 states have call predecessors, (89), 26 states have return successors, (106), 89 states have call predecessors, (106), 88 states have call successors, (106) [2022-11-25 22:23:20,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 251 states and 358 transitions. [2022-11-25 22:23:20,029 INFO L78 Accepts]: Start accepts. Automaton has 251 states and 358 transitions. Word has length 229 [2022-11-25 22:23:20,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:23:20,043 INFO L495 AbstractCegarLoop]: Abstraction has 251 states and 358 transitions. [2022-11-25 22:23:20,044 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 3 states have (on average 23.0) internal successors, (69), 5 states have internal predecessors, (69), 3 states have call successors, (45), 2 states have call predecessors, (45), 4 states have return successors, (44), 3 states have call predecessors, (44), 3 states have call successors, (44) [2022-11-25 22:23:20,044 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 358 transitions. [2022-11-25 22:23:20,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2022-11-25 22:23:20,049 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:23:20,049 INFO L195 NwaCegarLoop]: trace histogram [17, 7, 7, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 22:23:20,081 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd46281c-9a26-4a0f-8c72-553ac39c2ef9/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-25 22:23:20,262 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd46281c-9a26-4a0f-8c72-553ac39c2ef9/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 22:23:20,263 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 22:23:20,263 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:23:20,263 INFO L85 PathProgramCache]: Analyzing trace with hash -648754902, now seen corresponding path program 1 times [2022-11-25 22:23:20,264 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:23:20,264 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1547952648] [2022-11-25 22:23:20,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:23:20,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:23:20,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:23:22,842 INFO L134 CoverageAnalysis]: Checked inductivity of 490 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 472 trivial. 0 not checked. [2022-11-25 22:23:22,842 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:23:22,843 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1547952648] [2022-11-25 22:23:22,843 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1547952648] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 22:23:22,843 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [988745665] [2022-11-25 22:23:22,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:23:22,844 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 22:23:22,844 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd46281c-9a26-4a0f-8c72-553ac39c2ef9/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 22:23:22,845 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd46281c-9a26-4a0f-8c72-553ac39c2ef9/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 22:23:22,853 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd46281c-9a26-4a0f-8c72-553ac39c2ef9/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-25 22:23:24,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:23:24,026 INFO L263 TraceCheckSpWp]: Trace formula consists of 3302 conjuncts, 35 conjunts are in the unsatisfiable core [2022-11-25 22:23:24,042 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 22:23:24,342 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 [2022-11-25 22:23:24,896 INFO L134 CoverageAnalysis]: Checked inductivity of 490 backedges. 201 proven. 0 refuted. 0 times theorem prover too weak. 289 trivial. 0 not checked. [2022-11-25 22:23:24,896 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 22:23:24,897 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [988745665] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:23:24,897 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-25 22:23:24,897 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [8] total 20 [2022-11-25 22:23:24,898 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2118277977] [2022-11-25 22:23:24,898 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:23:24,899 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-11-25 22:23:24,899 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:23:24,900 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-11-25 22:23:24,901 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=333, Unknown=0, NotChecked=0, Total=380 [2022-11-25 22:23:24,901 INFO L87 Difference]: Start difference. First operand 251 states and 358 transitions. Second operand has 14 states, 9 states have (on average 8.0) internal successors, (72), 11 states have internal predecessors, (72), 6 states have call successors, (46), 3 states have call predecessors, (46), 6 states have return successors, (45), 6 states have call predecessors, (45), 6 states have call successors, (45) [2022-11-25 22:23:29,660 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] [2022-11-25 22:23:31,786 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 22:23:33,852 WARN L539 Checker$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] [2022-11-25 22:23:35,960 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 22:23:37,987 WARN L539 Checker$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] [2022-11-25 22:23:40,186 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 22:23:42,228 WARN L539 Checker$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] [2022-11-25 22:23:44,769 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 22:23:47,073 WARN L539 Checker$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] [2022-11-25 22:23:49,154 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 22:23:51,169 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 22:23:53,219 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 22:23:55,348 WARN L539 Checker$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] [2022-11-25 22:23:57,371 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 22:23:59,574 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 22:24:01,740 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 22:24:03,803 WARN L539 Checker$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] [2022-11-25 22:24:05,846 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 22:24:07,908 WARN L539 Checker$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] [2022-11-25 22:24:08,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:24:08,213 INFO L93 Difference]: Finished difference Result 579 states and 807 transitions. [2022-11-25 22:24:08,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-11-25 22:24:08,215 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 9 states have (on average 8.0) internal successors, (72), 11 states have internal predecessors, (72), 6 states have call successors, (46), 3 states have call predecessors, (46), 6 states have return successors, (45), 6 states have call predecessors, (45), 6 states have call successors, (45) Word has length 235 [2022-11-25 22:24:08,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:24:08,221 INFO L225 Difference]: With dead ends: 579 [2022-11-25 22:24:08,221 INFO L226 Difference]: Without dead ends: 324 [2022-11-25 22:24:08,224 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 251 GetRequests, 224 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 93 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=93, Invalid=719, Unknown=0, NotChecked=0, Total=812 [2022-11-25 22:24:08,234 INFO L413 NwaCegarLoop]: 319 mSDtfsCounter, 126 mSDsluCounter, 2762 mSDsCounter, 0 mSdLazyCounter, 1057 mSolverCounterSat, 27 mSolverCounterUnsat, 19 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 42.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 169 SdHoareTripleChecker+Valid, 3081 SdHoareTripleChecker+Invalid, 1103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 1057 IncrementalHoareTripleChecker+Invalid, 19 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 42.9s IncrementalHoareTripleChecker+Time [2022-11-25 22:24:08,235 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [169 Valid, 3081 Invalid, 1103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 1057 Invalid, 19 Unknown, 0 Unchecked, 42.9s Time] [2022-11-25 22:24:08,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 324 states. [2022-11-25 22:24:08,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 324 to 321. [2022-11-25 22:24:08,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 321 states, 174 states have (on average 1.1839080459770115) internal successors, (206), 175 states have internal predecessors, (206), 108 states have call successors, (108), 38 states have call predecessors, (108), 38 states have return successors, (113), 107 states have call predecessors, (113), 107 states have call successors, (113) [2022-11-25 22:24:08,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 321 states and 427 transitions. [2022-11-25 22:24:08,296 INFO L78 Accepts]: Start accepts. Automaton has 321 states and 427 transitions. Word has length 235 [2022-11-25 22:24:08,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:24:08,297 INFO L495 AbstractCegarLoop]: Abstraction has 321 states and 427 transitions. [2022-11-25 22:24:08,297 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 9 states have (on average 8.0) internal successors, (72), 11 states have internal predecessors, (72), 6 states have call successors, (46), 3 states have call predecessors, (46), 6 states have return successors, (45), 6 states have call predecessors, (45), 6 states have call successors, (45) [2022-11-25 22:24:08,297 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 427 transitions. [2022-11-25 22:24:08,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2022-11-25 22:24:08,302 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:24:08,302 INFO L195 NwaCegarLoop]: trace histogram [17, 7, 7, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-11-25 22:24:08,316 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd46281c-9a26-4a0f-8c72-553ac39c2ef9/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-25 22:24:08,502 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd46281c-9a26-4a0f-8c72-553ac39c2ef9/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 22:24:08,503 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 22:24:08,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:24:08,503 INFO L85 PathProgramCache]: Analyzing trace with hash 1146539761, now seen corresponding path program 1 times [2022-11-25 22:24:08,504 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:24:08,504 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [912839362] [2022-11-25 22:24:08,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:24:08,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:24:08,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:24:11,354 INFO L134 CoverageAnalysis]: Checked inductivity of 494 backedges. 17 proven. 15 refuted. 0 times theorem prover too weak. 462 trivial. 0 not checked. [2022-11-25 22:24:11,354 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:24:11,356 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [912839362] [2022-11-25 22:24:11,357 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [912839362] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 22:24:11,359 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1233290429] [2022-11-25 22:24:11,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:24:11,359 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 22:24:11,360 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd46281c-9a26-4a0f-8c72-553ac39c2ef9/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 22:24:11,364 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd46281c-9a26-4a0f-8c72-553ac39c2ef9/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 22:24:11,395 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd46281c-9a26-4a0f-8c72-553ac39c2ef9/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-25 22:24:12,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:24:12,335 INFO L263 TraceCheckSpWp]: Trace formula consists of 3331 conjuncts, 17 conjunts are in the unsatisfiable core [2022-11-25 22:24:12,349 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 22:24:12,441 INFO L134 CoverageAnalysis]: Checked inductivity of 494 backedges. 243 proven. 0 refuted. 0 times theorem prover too weak. 251 trivial. 0 not checked. [2022-11-25 22:24:12,441 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 22:24:12,441 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1233290429] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:24:12,442 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-25 22:24:12,442 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [10] total 14 [2022-11-25 22:24:12,442 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [61854961] [2022-11-25 22:24:12,442 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:24:12,443 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-25 22:24:12,443 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:24:12,444 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-25 22:24:12,445 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2022-11-25 22:24:12,445 INFO L87 Difference]: Start difference. First operand 321 states and 427 transitions. Second operand has 6 states, 3 states have (on average 23.666666666666668) internal successors, (71), 5 states have internal predecessors, (71), 3 states have call successors, (41), 2 states have call predecessors, (41), 4 states have return successors, (40), 3 states have call predecessors, (40), 3 states have call successors, (40) [2022-11-25 22:24:13,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:24:13,268 INFO L93 Difference]: Finished difference Result 543 states and 745 transitions. [2022-11-25 22:24:13,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-25 22:24:13,269 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 3 states have (on average 23.666666666666668) internal successors, (71), 5 states have internal predecessors, (71), 3 states have call successors, (41), 2 states have call predecessors, (41), 4 states have return successors, (40), 3 states have call predecessors, (40), 3 states have call successors, (40) Word has length 239 [2022-11-25 22:24:13,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:24:13,272 INFO L225 Difference]: With dead ends: 543 [2022-11-25 22:24:13,272 INFO L226 Difference]: Without dead ends: 323 [2022-11-25 22:24:13,274 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 248 GetRequests, 236 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2022-11-25 22:24:13,277 INFO L413 NwaCegarLoop]: 287 mSDtfsCounter, 0 mSDsluCounter, 1104 mSDsCounter, 0 mSdLazyCounter, 291 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1391 SdHoareTripleChecker+Invalid, 291 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 291 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-11-25 22:24:13,278 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1391 Invalid, 291 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 291 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-11-25 22:24:13,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 323 states. [2022-11-25 22:24:13,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 323 to 323. [2022-11-25 22:24:13,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 323 states, 175 states have (on average 1.1828571428571428) internal successors, (207), 177 states have internal predecessors, (207), 108 states have call successors, (108), 38 states have call predecessors, (108), 39 states have return successors, (129), 107 states have call predecessors, (129), 107 states have call successors, (129) [2022-11-25 22:24:13,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 323 states and 444 transitions. [2022-11-25 22:24:13,338 INFO L78 Accepts]: Start accepts. Automaton has 323 states and 444 transitions. Word has length 239 [2022-11-25 22:24:13,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:24:13,342 INFO L495 AbstractCegarLoop]: Abstraction has 323 states and 444 transitions. [2022-11-25 22:24:13,343 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 3 states have (on average 23.666666666666668) internal successors, (71), 5 states have internal predecessors, (71), 3 states have call successors, (41), 2 states have call predecessors, (41), 4 states have return successors, (40), 3 states have call predecessors, (40), 3 states have call successors, (40) [2022-11-25 22:24:13,343 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 444 transitions. [2022-11-25 22:24:13,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2022-11-25 22:24:13,351 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:24:13,351 INFO L195 NwaCegarLoop]: trace histogram [17, 7, 7, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 22:24:13,367 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd46281c-9a26-4a0f-8c72-553ac39c2ef9/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-25 22:24:13,565 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd46281c-9a26-4a0f-8c72-553ac39c2ef9/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 22:24:13,565 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 22:24:13,566 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:24:13,566 INFO L85 PathProgramCache]: Analyzing trace with hash 661165135, now seen corresponding path program 1 times [2022-11-25 22:24:13,566 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:24:13,566 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1132720375] [2022-11-25 22:24:13,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:24:13,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:24:13,738 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-25 22:24:13,738 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2138230087] [2022-11-25 22:24:13,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:24:13,739 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 22:24:13,739 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd46281c-9a26-4a0f-8c72-553ac39c2ef9/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 22:24:13,740 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd46281c-9a26-4a0f-8c72-553ac39c2ef9/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 22:24:13,767 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd46281c-9a26-4a0f-8c72-553ac39c2ef9/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-25 22:24:14,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:24:14,693 INFO L263 TraceCheckSpWp]: Trace formula consists of 3455 conjuncts, 35 conjunts are in the unsatisfiable core [2022-11-25 22:24:14,705 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 22:24:14,817 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 [2022-11-25 22:24:15,124 INFO L134 CoverageAnalysis]: Checked inductivity of 488 backedges. 259 proven. 0 refuted. 0 times theorem prover too weak. 229 trivial. 0 not checked. [2022-11-25 22:24:15,124 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 22:24:15,125 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:24:15,125 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1132720375] [2022-11-25 22:24:15,125 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-25 22:24:15,125 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2138230087] [2022-11-25 22:24:15,125 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2138230087] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:24:15,125 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:24:15,126 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-11-25 22:24:15,126 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1537763251] [2022-11-25 22:24:15,126 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:24:15,127 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-11-25 22:24:15,127 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:24:15,128 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-11-25 22:24:15,128 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2022-11-25 22:24:15,129 INFO L87 Difference]: Start difference. First operand 323 states and 444 transitions. Second operand has 14 states, 9 states have (on average 9.88888888888889) internal successors, (89), 11 states have internal predecessors, (89), 6 states have call successors, (51), 3 states have call predecessors, (51), 6 states have return successors, (50), 6 states have call predecessors, (50), 6 states have call successors, (50) [2022-11-25 22:24:19,861 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-25 22:24:21,961 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 22:24:24,001 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 22:24:26,084 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 22:24:28,097 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 22:24:30,244 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 22:24:32,271 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 22:24:34,380 WARN L539 Checker$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] [2022-11-25 22:24:36,391 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 22:24:38,398 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 22:24:40,508 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 22:24:42,527 WARN L539 Checker$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] [2022-11-25 22:24:44,538 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 22:24:46,572 WARN L539 Checker$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] [2022-11-25 22:24:49,072 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 22:24:51,622 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 22:24:54,118 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 22:24:56,184 WARN L539 Checker$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] [2022-11-25 22:24:58,234 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-25 22:25:00,271 WARN L539 Checker$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] [2022-11-25 22:25:00,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:25:00,626 INFO L93 Difference]: Finished difference Result 709 states and 987 transitions. [2022-11-25 22:25:00,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-11-25 22:25:00,627 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 9 states have (on average 9.88888888888889) internal successors, (89), 11 states have internal predecessors, (89), 6 states have call successors, (51), 3 states have call predecessors, (51), 6 states have return successors, (50), 6 states have call predecessors, (50), 6 states have call successors, (50) Word has length 250 [2022-11-25 22:25:00,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:25:00,631 INFO L225 Difference]: With dead ends: 709 [2022-11-25 22:25:00,631 INFO L226 Difference]: Without dead ends: 487 [2022-11-25 22:25:00,632 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 259 GetRequests, 238 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=79, Invalid=427, Unknown=0, NotChecked=0, Total=506 [2022-11-25 22:25:00,634 INFO L413 NwaCegarLoop]: 384 mSDtfsCounter, 171 mSDsluCounter, 2947 mSDsCounter, 0 mSdLazyCounter, 1681 mSolverCounterSat, 75 mSolverCounterUnsat, 20 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 44.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 210 SdHoareTripleChecker+Valid, 3331 SdHoareTripleChecker+Invalid, 1776 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 75 IncrementalHoareTripleChecker+Valid, 1681 IncrementalHoareTripleChecker+Invalid, 20 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 45.2s IncrementalHoareTripleChecker+Time [2022-11-25 22:25:00,634 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [210 Valid, 3331 Invalid, 1776 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [75 Valid, 1681 Invalid, 20 Unknown, 0 Unchecked, 45.2s Time] [2022-11-25 22:25:00,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 487 states. [2022-11-25 22:25:00,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 487 to 480. [2022-11-25 22:25:00,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 480 states, 260 states have (on average 1.1807692307692308) internal successors, (307), 262 states have internal predecessors, (307), 155 states have call successors, (155), 62 states have call predecessors, (155), 64 states have return successors, (177), 155 states have call predecessors, (177), 153 states have call successors, (177) [2022-11-25 22:25:00,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 480 states to 480 states and 639 transitions. [2022-11-25 22:25:00,676 INFO L78 Accepts]: Start accepts. Automaton has 480 states and 639 transitions. Word has length 250 [2022-11-25 22:25:00,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:25:00,677 INFO L495 AbstractCegarLoop]: Abstraction has 480 states and 639 transitions. [2022-11-25 22:25:00,678 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 9 states have (on average 9.88888888888889) internal successors, (89), 11 states have internal predecessors, (89), 6 states have call successors, (51), 3 states have call predecessors, (51), 6 states have return successors, (50), 6 states have call predecessors, (50), 6 states have call successors, (50) [2022-11-25 22:25:00,678 INFO L276 IsEmpty]: Start isEmpty. Operand 480 states and 639 transitions. [2022-11-25 22:25:00,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2022-11-25 22:25:00,683 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:25:00,683 INFO L195 NwaCegarLoop]: trace histogram [17, 7, 7, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 22:25:00,697 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd46281c-9a26-4a0f-8c72-553ac39c2ef9/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-11-25 22:25:00,897 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd46281c-9a26-4a0f-8c72-553ac39c2ef9/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 22:25:00,897 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 22:25:00,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:25:00,898 INFO L85 PathProgramCache]: Analyzing trace with hash 417556261, now seen corresponding path program 1 times [2022-11-25 22:25:00,898 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:25:00,898 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1928948820] [2022-11-25 22:25:00,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:25:00,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:25:01,038 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-25 22:25:01,038 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [867042375] [2022-11-25 22:25:01,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:25:01,039 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 22:25:01,039 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd46281c-9a26-4a0f-8c72-553ac39c2ef9/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 22:25:01,040 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd46281c-9a26-4a0f-8c72-553ac39c2ef9/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 22:25:01,059 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd46281c-9a26-4a0f-8c72-553ac39c2ef9/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-25 22:25:01,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:25:01,963 INFO L263 TraceCheckSpWp]: Trace formula consists of 3584 conjuncts, 17 conjunts are in the unsatisfiable core [2022-11-25 22:25:01,971 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 22:25:02,055 INFO L134 CoverageAnalysis]: Checked inductivity of 497 backedges. 168 proven. 0 refuted. 0 times theorem prover too weak. 329 trivial. 0 not checked. [2022-11-25 22:25:02,055 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 22:25:02,060 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:25:02,060 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1928948820] [2022-11-25 22:25:02,060 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-25 22:25:02,060 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [867042375] [2022-11-25 22:25:02,061 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [867042375] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:25:02,061 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:25:02,061 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-25 22:25:02,061 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [338589147] [2022-11-25 22:25:02,061 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:25:02,062 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-25 22:25:02,062 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:25:02,063 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-25 22:25:02,063 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-25 22:25:02,063 INFO L87 Difference]: Start difference. First operand 480 states and 639 transitions. Second operand has 6 states, 3 states have (on average 21.0) internal successors, (63), 5 states have internal predecessors, (63), 3 states have call successors, (38), 2 states have call predecessors, (38), 4 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) [2022-11-25 22:25:02,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:25:02,678 INFO L93 Difference]: Finished difference Result 732 states and 1019 transitions. [2022-11-25 22:25:02,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-25 22:25:02,680 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 3 states have (on average 21.0) internal successors, (63), 5 states have internal predecessors, (63), 3 states have call successors, (38), 2 states have call predecessors, (38), 4 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) Word has length 259 [2022-11-25 22:25:02,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:25:02,684 INFO L225 Difference]: With dead ends: 732 [2022-11-25 22:25:02,684 INFO L226 Difference]: Without dead ends: 484 [2022-11-25 22:25:02,686 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 258 GetRequests, 254 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-25 22:25:02,687 INFO L413 NwaCegarLoop]: 287 mSDtfsCounter, 0 mSDsluCounter, 1105 mSDsCounter, 0 mSdLazyCounter, 290 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1392 SdHoareTripleChecker+Invalid, 290 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 290 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-25 22:25:02,687 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1392 Invalid, 290 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 290 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-25 22:25:02,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 484 states. [2022-11-25 22:25:02,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 484 to 484. [2022-11-25 22:25:02,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 484 states, 262 states have (on average 1.1793893129770991) internal successors, (309), 266 states have internal predecessors, (309), 155 states have call successors, (155), 62 states have call predecessors, (155), 66 states have return successors, (201), 155 states have call predecessors, (201), 153 states have call successors, (201) [2022-11-25 22:25:02,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 484 states and 665 transitions. [2022-11-25 22:25:02,731 INFO L78 Accepts]: Start accepts. Automaton has 484 states and 665 transitions. Word has length 259 [2022-11-25 22:25:02,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:25:02,732 INFO L495 AbstractCegarLoop]: Abstraction has 484 states and 665 transitions. [2022-11-25 22:25:02,732 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 3 states have (on average 21.0) internal successors, (63), 5 states have internal predecessors, (63), 3 states have call successors, (38), 2 states have call predecessors, (38), 4 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) [2022-11-25 22:25:02,732 INFO L276 IsEmpty]: Start isEmpty. Operand 484 states and 665 transitions. [2022-11-25 22:25:02,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2022-11-25 22:25:02,738 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:25:02,738 INFO L195 NwaCegarLoop]: trace histogram [17, 7, 7, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-11-25 22:25:02,759 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd46281c-9a26-4a0f-8c72-553ac39c2ef9/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-11-25 22:25:02,952 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd46281c-9a26-4a0f-8c72-553ac39c2ef9/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2022-11-25 22:25:02,952 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 22:25:02,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:25:02,953 INFO L85 PathProgramCache]: Analyzing trace with hash -1038732313, now seen corresponding path program 1 times [2022-11-25 22:25:02,953 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:25:02,953 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1194843506] [2022-11-25 22:25:02,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:25:02,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:25:03,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:25:03,935 INFO L134 CoverageAnalysis]: Checked inductivity of 532 backedges. 22 proven. 8 refuted. 0 times theorem prover too weak. 502 trivial. 0 not checked. [2022-11-25 22:25:03,936 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:25:03,936 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1194843506] [2022-11-25 22:25:03,936 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1194843506] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 22:25:03,936 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1497847261] [2022-11-25 22:25:03,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:25:03,937 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 22:25:03,937 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd46281c-9a26-4a0f-8c72-553ac39c2ef9/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 22:25:03,938 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd46281c-9a26-4a0f-8c72-553ac39c2ef9/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 22:25:03,968 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd46281c-9a26-4a0f-8c72-553ac39c2ef9/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-11-25 22:25:04,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:25:04,919 INFO L263 TraceCheckSpWp]: Trace formula consists of 3540 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-25 22:25:04,929 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 22:25:04,959 INFO L134 CoverageAnalysis]: Checked inductivity of 532 backedges. 279 proven. 0 refuted. 0 times theorem prover too weak. 253 trivial. 0 not checked. [2022-11-25 22:25:04,959 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 22:25:04,959 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1497847261] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:25:04,959 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-25 22:25:04,960 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 7 [2022-11-25 22:25:04,960 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1899130537] [2022-11-25 22:25:04,960 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:25:04,961 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-25 22:25:04,961 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:25:04,969 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-25 22:25:04,970 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-25 22:25:04,970 INFO L87 Difference]: Start difference. First operand 484 states and 665 transitions. Second operand has 7 states, 5 states have (on average 18.0) internal successors, (90), 6 states have internal predecessors, (90), 2 states have call successors, (48), 2 states have call predecessors, (48), 4 states have return successors, (50), 4 states have call predecessors, (50), 2 states have call successors, (50) [2022-11-25 22:25:05,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:25:05,612 INFO L93 Difference]: Finished difference Result 908 states and 1268 transitions. [2022-11-25 22:25:05,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-25 22:25:05,613 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 5 states have (on average 18.0) internal successors, (90), 6 states have internal predecessors, (90), 2 states have call successors, (48), 2 states have call predecessors, (48), 4 states have return successors, (50), 4 states have call predecessors, (50), 2 states have call successors, (50) Word has length 268 [2022-11-25 22:25:05,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:25:05,617 INFO L225 Difference]: With dead ends: 908 [2022-11-25 22:25:05,618 INFO L226 Difference]: Without dead ends: 451 [2022-11-25 22:25:05,620 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 275 GetRequests, 269 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-11-25 22:25:05,621 INFO L413 NwaCegarLoop]: 306 mSDtfsCounter, 1 mSDsluCounter, 1520 mSDsCounter, 0 mSdLazyCounter, 201 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1826 SdHoareTripleChecker+Invalid, 201 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 201 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-25 22:25:05,621 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1826 Invalid, 201 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 201 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-25 22:25:05,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 451 states. [2022-11-25 22:25:05,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 451 to 451. [2022-11-25 22:25:05,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 451 states, 244 states have (on average 1.1639344262295082) internal successors, (284), 248 states have internal predecessors, (284), 146 states have call successors, (146), 56 states have call predecessors, (146), 60 states have return successors, (189), 146 states have call predecessors, (189), 144 states have call successors, (189) [2022-11-25 22:25:05,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 451 states and 619 transitions. [2022-11-25 22:25:05,658 INFO L78 Accepts]: Start accepts. Automaton has 451 states and 619 transitions. Word has length 268 [2022-11-25 22:25:05,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:25:05,659 INFO L495 AbstractCegarLoop]: Abstraction has 451 states and 619 transitions. [2022-11-25 22:25:05,659 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 5 states have (on average 18.0) internal successors, (90), 6 states have internal predecessors, (90), 2 states have call successors, (48), 2 states have call predecessors, (48), 4 states have return successors, (50), 4 states have call predecessors, (50), 2 states have call successors, (50) [2022-11-25 22:25:05,659 INFO L276 IsEmpty]: Start isEmpty. Operand 451 states and 619 transitions. [2022-11-25 22:25:05,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2022-11-25 22:25:05,662 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:25:05,662 INFO L195 NwaCegarLoop]: trace histogram [17, 7, 7, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-11-25 22:25:05,680 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd46281c-9a26-4a0f-8c72-553ac39c2ef9/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-11-25 22:25:05,875 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd46281c-9a26-4a0f-8c72-553ac39c2ef9/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2022-11-25 22:25:05,875 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 22:25:05,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:25:05,876 INFO L85 PathProgramCache]: Analyzing trace with hash 1139450802, now seen corresponding path program 2 times [2022-11-25 22:25:05,876 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:25:05,876 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1423677631] [2022-11-25 22:25:05,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:25:05,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:25:06,016 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-25 22:25:06,016 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [599588523] [2022-11-25 22:25:06,017 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-25 22:25:06,017 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 22:25:06,017 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd46281c-9a26-4a0f-8c72-553ac39c2ef9/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 22:25:06,018 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd46281c-9a26-4a0f-8c72-553ac39c2ef9/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 22:25:06,039 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd46281c-9a26-4a0f-8c72-553ac39c2ef9/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-11-25 22:25:07,200 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2022-11-25 22:25:07,200 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-25 22:25:07,210 INFO L263 TraceCheckSpWp]: Trace formula consists of 2262 conjuncts, 14 conjunts are in the unsatisfiable core [2022-11-25 22:25:07,217 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 22:25:07,255 INFO L134 CoverageAnalysis]: Checked inductivity of 520 backedges. 275 proven. 0 refuted. 0 times theorem prover too weak. 245 trivial. 0 not checked. [2022-11-25 22:25:07,255 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 22:25:07,256 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:25:07,256 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1423677631] [2022-11-25 22:25:07,256 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-25 22:25:07,256 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [599588523] [2022-11-25 22:25:07,256 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [599588523] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:25:07,257 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:25:07,257 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 22:25:07,257 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1167881258] [2022-11-25 22:25:07,257 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:25:07,258 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 22:25:07,258 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:25:07,259 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 22:25:07,259 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 22:25:07,259 INFO L87 Difference]: Start difference. First operand 451 states and 619 transitions. Second operand has 5 states, 4 states have (on average 22.75) internal successors, (91), 5 states have internal predecessors, (91), 3 states have call successors, (53), 2 states have call predecessors, (53), 4 states have return successors, (52), 3 states have call predecessors, (52), 3 states have call successors, (52) [2022-11-25 22:25:07,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:25:07,748 INFO L93 Difference]: Finished difference Result 761 states and 1032 transitions. [2022-11-25 22:25:07,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 22:25:07,749 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 22.75) internal successors, (91), 5 states have internal predecessors, (91), 3 states have call successors, (53), 2 states have call predecessors, (53), 4 states have return successors, (52), 3 states have call predecessors, (52), 3 states have call successors, (52) Word has length 264 [2022-11-25 22:25:07,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:25:07,752 INFO L225 Difference]: With dead ends: 761 [2022-11-25 22:25:07,752 INFO L226 Difference]: Without dead ends: 340 [2022-11-25 22:25:07,753 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 263 GetRequests, 260 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 22:25:07,754 INFO L413 NwaCegarLoop]: 286 mSDtfsCounter, 0 mSDsluCounter, 832 mSDsCounter, 0 mSdLazyCounter, 224 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1118 SdHoareTripleChecker+Invalid, 224 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 224 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-25 22:25:07,754 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1118 Invalid, 224 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 224 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-25 22:25:07,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2022-11-25 22:25:07,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 331. [2022-11-25 22:25:07,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 331 states, 180 states have (on average 1.1555555555555554) internal successors, (208), 182 states have internal predecessors, (208), 106 states have call successors, (106), 44 states have call predecessors, (106), 44 states have return successors, (124), 104 states have call predecessors, (124), 105 states have call successors, (124) [2022-11-25 22:25:07,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 331 states and 438 transitions. [2022-11-25 22:25:07,779 INFO L78 Accepts]: Start accepts. Automaton has 331 states and 438 transitions. Word has length 264 [2022-11-25 22:25:07,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:25:07,779 INFO L495 AbstractCegarLoop]: Abstraction has 331 states and 438 transitions. [2022-11-25 22:25:07,780 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 22.75) internal successors, (91), 5 states have internal predecessors, (91), 3 states have call successors, (53), 2 states have call predecessors, (53), 4 states have return successors, (52), 3 states have call predecessors, (52), 3 states have call successors, (52) [2022-11-25 22:25:07,780 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 438 transitions. [2022-11-25 22:25:07,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2022-11-25 22:25:07,782 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:25:07,782 INFO L195 NwaCegarLoop]: trace histogram [17, 7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 22:25:07,795 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd46281c-9a26-4a0f-8c72-553ac39c2ef9/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-11-25 22:25:07,993 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd46281c-9a26-4a0f-8c72-553ac39c2ef9/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2022-11-25 22:25:07,993 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 22:25:07,993 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:25:07,994 INFO L85 PathProgramCache]: Analyzing trace with hash 1320003223, now seen corresponding path program 2 times [2022-11-25 22:25:07,994 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:25:07,994 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [727588416] [2022-11-25 22:25:07,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:25:07,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:25:08,116 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-25 22:25:08,116 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1436337337] [2022-11-25 22:25:08,117 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-25 22:25:08,117 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 22:25:08,117 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd46281c-9a26-4a0f-8c72-553ac39c2ef9/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 22:25:08,118 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd46281c-9a26-4a0f-8c72-553ac39c2ef9/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 22:25:08,143 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd46281c-9a26-4a0f-8c72-553ac39c2ef9/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-11-25 22:25:09,869 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2022-11-25 22:25:09,870 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-25 22:25:09,883 INFO L263 TraceCheckSpWp]: Trace formula consists of 2621 conjuncts, 21 conjunts are in the unsatisfiable core [2022-11-25 22:25:09,892 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 22:25:09,963 INFO L134 CoverageAnalysis]: Checked inductivity of 523 backedges. 85 proven. 0 refuted. 0 times theorem prover too weak. 438 trivial. 0 not checked. [2022-11-25 22:25:09,964 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 22:25:09,964 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:25:09,964 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [727588416] [2022-11-25 22:25:09,964 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-25 22:25:09,965 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1436337337] [2022-11-25 22:25:09,965 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1436337337] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:25:09,965 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:25:09,965 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-25 22:25:09,966 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [20017427] [2022-11-25 22:25:09,966 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:25:09,966 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-25 22:25:09,967 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:25:09,967 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-25 22:25:09,967 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-25 22:25:09,968 INFO L87 Difference]: Start difference. First operand 331 states and 438 transitions. Second operand has 7 states, 4 states have (on average 16.5) internal successors, (66), 6 states have internal predecessors, (66), 3 states have call successors, (38), 2 states have call predecessors, (38), 5 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) [2022-11-25 22:25:10,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:25:10,807 INFO L93 Difference]: Finished difference Result 500 states and 686 transitions. [2022-11-25 22:25:10,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-25 22:25:10,808 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 4 states have (on average 16.5) internal successors, (66), 6 states have internal predecessors, (66), 3 states have call successors, (38), 2 states have call predecessors, (38), 5 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) Word has length 270 [2022-11-25 22:25:10,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:25:10,810 INFO L225 Difference]: With dead ends: 500 [2022-11-25 22:25:10,811 INFO L226 Difference]: Without dead ends: 333 [2022-11-25 22:25:10,812 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 269 GetRequests, 264 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-25 22:25:10,812 INFO L413 NwaCegarLoop]: 289 mSDtfsCounter, 0 mSDsluCounter, 1394 mSDsCounter, 0 mSdLazyCounter, 346 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1683 SdHoareTripleChecker+Invalid, 346 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 346 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-11-25 22:25:10,813 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1683 Invalid, 346 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 346 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-11-25 22:25:10,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 333 states. [2022-11-25 22:25:10,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 333 to 331. [2022-11-25 22:25:10,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 331 states, 180 states have (on average 1.1555555555555554) internal successors, (208), 182 states have internal predecessors, (208), 106 states have call successors, (106), 44 states have call predecessors, (106), 44 states have return successors, (123), 104 states have call predecessors, (123), 105 states have call successors, (123) [2022-11-25 22:25:10,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 331 states and 437 transitions. [2022-11-25 22:25:10,833 INFO L78 Accepts]: Start accepts. Automaton has 331 states and 437 transitions. Word has length 270 [2022-11-25 22:25:10,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:25:10,834 INFO L495 AbstractCegarLoop]: Abstraction has 331 states and 437 transitions. [2022-11-25 22:25:10,834 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 4 states have (on average 16.5) internal successors, (66), 6 states have internal predecessors, (66), 3 states have call successors, (38), 2 states have call predecessors, (38), 5 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) [2022-11-25 22:25:10,835 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 437 transitions. [2022-11-25 22:25:10,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2022-11-25 22:25:10,837 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:25:10,837 INFO L195 NwaCegarLoop]: trace histogram [17, 7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-11-25 22:25:10,856 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd46281c-9a26-4a0f-8c72-553ac39c2ef9/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-11-25 22:25:11,050 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd46281c-9a26-4a0f-8c72-553ac39c2ef9/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 22:25:11,051 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 22:25:11,051 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:25:11,051 INFO L85 PathProgramCache]: Analyzing trace with hash -558421132, now seen corresponding path program 3 times [2022-11-25 22:25:11,051 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:25:11,051 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [669986715] [2022-11-25 22:25:11,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:25:11,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:25:11,175 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-25 22:25:11,176 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1784438908] [2022-11-25 22:25:11,176 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-11-25 22:25:11,176 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 22:25:11,176 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd46281c-9a26-4a0f-8c72-553ac39c2ef9/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 22:25:11,178 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd46281c-9a26-4a0f-8c72-553ac39c2ef9/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 22:25:11,184 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd46281c-9a26-4a0f-8c72-553ac39c2ef9/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-11-25 22:25:11,912 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-11-25 22:25:11,912 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-25 22:25:11,919 INFO L263 TraceCheckSpWp]: Trace formula consists of 1350 conjuncts, 29 conjunts are in the unsatisfiable core [2022-11-25 22:25:11,927 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 22:25:14,437 WARN L859 $PredicateComparison]: unable to prove that (or (exists ((|v_aws_hash_table_is_valid_#in~map.base_BEFORE_CALL_3| Int)) (and (exists ((aws_hash_table_is_valid_~map.offset Int)) (not (= (select (select |c_#memory_$Pointer$.base| |v_aws_hash_table_is_valid_#in~map.base_BEFORE_CALL_3|) aws_hash_table_is_valid_~map.offset) 0))) (not (= |v_aws_hash_table_is_valid_#in~map.base_BEFORE_CALL_3| 0)))) (exists ((|v_aws_hash_table_is_valid_#in~map.base_BEFORE_CALL_3| Int) (aws_hash_table_is_valid_~map.offset Int)) (and (not (= (select (select |c_#memory_$Pointer$.base| |v_aws_hash_table_is_valid_#in~map.base_BEFORE_CALL_3|) aws_hash_table_is_valid_~map.offset) 0)) (not (= aws_hash_table_is_valid_~map.offset 0)))) (exists ((|v_aws_hash_table_is_valid_#in~map.base_BEFORE_CALL_3| Int) (aws_hash_table_is_valid_~map.offset Int)) (and (not (= (select (select |c_#memory_$Pointer$.offset| |v_aws_hash_table_is_valid_#in~map.base_BEFORE_CALL_3|) aws_hash_table_is_valid_~map.offset) 0)) (not (= aws_hash_table_is_valid_~map.offset 0)))) (exists ((|v_aws_hash_table_is_valid_#in~map.base_BEFORE_CALL_3| Int)) (and (exists ((aws_hash_table_is_valid_~map.offset Int)) (not (= (select (select |c_#memory_$Pointer$.offset| |v_aws_hash_table_is_valid_#in~map.base_BEFORE_CALL_3|) aws_hash_table_is_valid_~map.offset) 0))) (not (= |v_aws_hash_table_is_valid_#in~map.base_BEFORE_CALL_3| 0))))) is different from true [2022-11-25 22:25:28,567 WARN L233 SmtUtils]: Spent 14.04s on a formula simplification that was a NOOP. DAG size: 35 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-25 22:25:46,687 WARN L233 SmtUtils]: Spent 18.04s on a formula simplification that was a NOOP. DAG size: 33 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-25 22:25:46,796 INFO L134 CoverageAnalysis]: Checked inductivity of 541 backedges. 115 proven. 0 refuted. 0 times theorem prover too weak. 426 trivial. 0 not checked. [2022-11-25 22:25:46,797 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 22:25:46,797 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:25:46,797 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [669986715] [2022-11-25 22:25:46,797 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-25 22:25:46,798 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1784438908] [2022-11-25 22:25:46,798 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1784438908] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:25:46,798 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:25:46,798 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-25 22:25:46,798 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1330019999] [2022-11-25 22:25:46,798 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:25:46,799 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-25 22:25:46,799 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:25:46,800 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-25 22:25:46,800 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=44, Unknown=1, NotChecked=12, Total=72 [2022-11-25 22:25:46,801 INFO L87 Difference]: Start difference. First operand 331 states and 437 transitions. Second operand has 9 states, 8 states have (on average 8.5) internal successors, (68), 8 states have internal predecessors, (68), 5 states have call successors, (39), 3 states have call predecessors, (39), 3 states have return successors, (38), 4 states have call predecessors, (38), 5 states have call successors, (38) [2022-11-25 22:26:06,735 WARN L233 SmtUtils]: Spent 18.04s on a formula simplification that was a NOOP. DAG size: 37 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-25 22:26:09,002 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] [2022-11-25 22:26:09,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:26:09,516 INFO L93 Difference]: Finished difference Result 515 states and 722 transitions. [2022-11-25 22:26:09,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-25 22:26:09,516 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 8.5) internal successors, (68), 8 states have internal predecessors, (68), 5 states have call successors, (39), 3 states have call predecessors, (39), 3 states have return successors, (38), 4 states have call predecessors, (38), 5 states have call successors, (38) Word has length 276 [2022-11-25 22:26:09,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:26:09,519 INFO L225 Difference]: With dead ends: 515 [2022-11-25 22:26:09,519 INFO L226 Difference]: Without dead ends: 337 [2022-11-25 22:26:09,520 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 278 GetRequests, 268 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 52.5s TimeCoverageRelationStatistics Valid=27, Invalid=86, Unknown=1, NotChecked=18, Total=132 [2022-11-25 22:26:09,521 INFO L413 NwaCegarLoop]: 300 mSDtfsCounter, 97 mSDsluCounter, 1463 mSDsCounter, 0 mSdLazyCounter, 432 mSolverCounterSat, 64 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 1763 SdHoareTripleChecker+Invalid, 840 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 64 IncrementalHoareTripleChecker+Valid, 432 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 343 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2022-11-25 22:26:09,521 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [98 Valid, 1763 Invalid, 840 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [64 Valid, 432 Invalid, 1 Unknown, 343 Unchecked, 4.5s Time] [2022-11-25 22:26:09,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 337 states. [2022-11-25 22:26:09,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 337 to 337. [2022-11-25 22:26:09,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 337 states, 184 states have (on average 1.1521739130434783) internal successors, (212), 186 states have internal predecessors, (212), 107 states have call successors, (107), 45 states have call predecessors, (107), 45 states have return successors, (124), 105 states have call predecessors, (124), 106 states have call successors, (124) [2022-11-25 22:26:09,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 337 states and 443 transitions. [2022-11-25 22:26:09,546 INFO L78 Accepts]: Start accepts. Automaton has 337 states and 443 transitions. Word has length 276 [2022-11-25 22:26:09,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:26:09,547 INFO L495 AbstractCegarLoop]: Abstraction has 337 states and 443 transitions. [2022-11-25 22:26:09,547 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 8.5) internal successors, (68), 8 states have internal predecessors, (68), 5 states have call successors, (39), 3 states have call predecessors, (39), 3 states have return successors, (38), 4 states have call predecessors, (38), 5 states have call successors, (38) [2022-11-25 22:26:09,547 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 443 transitions. [2022-11-25 22:26:09,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2022-11-25 22:26:09,549 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:26:09,550 INFO L195 NwaCegarLoop]: trace histogram [17, 7, 7, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-11-25 22:26:09,563 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd46281c-9a26-4a0f-8c72-553ac39c2ef9/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2022-11-25 22:26:09,758 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd46281c-9a26-4a0f-8c72-553ac39c2ef9/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 22:26:09,759 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 22:26:09,759 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:26:09,759 INFO L85 PathProgramCache]: Analyzing trace with hash 1693969748, now seen corresponding path program 3 times [2022-11-25 22:26:09,760 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:26:09,760 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [28239556] [2022-11-25 22:26:09,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:26:09,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:26:09,881 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-25 22:26:09,881 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1988025394] [2022-11-25 22:26:09,882 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-11-25 22:26:09,882 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 22:26:09,882 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd46281c-9a26-4a0f-8c72-553ac39c2ef9/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 22:26:09,883 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd46281c-9a26-4a0f-8c72-553ac39c2ef9/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 22:26:09,907 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd46281c-9a26-4a0f-8c72-553ac39c2ef9/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-11-25 22:26:10,685 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-11-25 22:26:10,685 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-25 22:26:10,692 INFO L263 TraceCheckSpWp]: Trace formula consists of 1350 conjuncts, 35 conjunts are in the unsatisfiable core [2022-11-25 22:26:10,700 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 22:26:37,720 WARN L233 SmtUtils]: Spent 18.04s on a formula simplification that was a NOOP. DAG size: 42 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-25 22:26:38,190 INFO L134 CoverageAnalysis]: Checked inductivity of 569 backedges. 209 proven. 5 refuted. 0 times theorem prover too weak. 355 trivial. 0 not checked. [2022-11-25 22:26:38,190 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 22:26:39,141 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 26 treesize of output 18 [2022-11-25 22:26:39,157 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 22 treesize of output 14 [2022-11-25 22:26:39,282 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 54 treesize of output 46 [2022-11-25 22:26:39,288 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 46 treesize of output 38 [2022-11-25 22:26:39,704 INFO L134 CoverageAnalysis]: Checked inductivity of 569 backedges. 27 proven. 12 refuted. 0 times theorem prover too weak. 530 trivial. 0 not checked. [2022-11-25 22:26:39,705 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:26:39,705 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [28239556] [2022-11-25 22:26:39,705 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-25 22:26:39,705 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1988025394] [2022-11-25 22:26:39,706 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1988025394] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 22:26:39,706 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1331352183] [2022-11-25 22:26:39,732 INFO L159 IcfgInterpreter]: Started Sifa with 108 locations of interest [2022-11-25 22:26:39,733 INFO L166 IcfgInterpreter]: Building call graph [2022-11-25 22:26:39,738 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-25 22:26:39,746 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-25 22:26:39,746 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-25 22:26:42,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:26:42,986 INFO L217 Elim1Store]: Index analysis took 501 ms [2022-11-25 22:27:14,067 WARN L233 SmtUtils]: Spent 31.00s on a formula simplification. DAG size of input: 2150 DAG size of output: 1173 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-25 22:27:14,072 INFO L321 Elim1Store]: treesize reduction 3510, result has 33.3 percent of original size [2022-11-25 22:27:14,076 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 198 select indices, 198 select index equivalence classes, 19308 disjoint index pairs (out of 19503 index pairs), introduced 198 new quantified variables, introduced 390 case distinctions, treesize of input 997 treesize of output 2365 [2022-11-25 22:27:17,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:27:17,844 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 196 select indices, 196 select index equivalence classes, 19307 disjoint index pairs (out of 19110 index pairs), introduced 196 new quantified variables, introduced 0 case distinctions, treesize of input 987 treesize of output 1574 [2022-11-25 22:27:25,277 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 [2022-11-25 22:27:25,286 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 [2022-11-25 22:27:25,316 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 [2022-11-25 22:27:25,324 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 [2022-11-25 22:27:25,351 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 [2022-11-25 22:27:25,357 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 [2022-11-25 22:27:25,411 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 [2022-11-25 22:27:25,420 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 [2022-11-25 22:27:25,429 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 [2022-11-25 22:27:25,440 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 [2022-11-25 22:27:25,657 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 [2022-11-25 22:27:25,667 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 [2022-11-25 22:27:25,705 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 [2022-11-25 22:27:25,712 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 [2022-11-25 22:27:25,756 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 [2022-11-25 22:27:25,789 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 [2022-11-25 22:27:25,795 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 [2022-11-25 22:27:25,844 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 [2022-11-25 22:27:25,852 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 [2022-11-25 22:27:25,864 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-25 22:27:25,871 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 [2022-11-25 22:27:25,895 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 [2022-11-25 22:27:25,916 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 [2022-11-25 22:27:25,944 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-25 22:27:25,945 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 [2022-11-25 22:27:25,980 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 [2022-11-25 22:27:25,997 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 [2022-11-25 22:27:26,029 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 [2022-11-25 22:27:26,037 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 [2022-11-25 22:27:26,089 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 [2022-11-25 22:27:26,098 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 [2022-11-25 22:27:26,158 INFO L321 Elim1Store]: treesize reduction 25, result has 43.2 percent of original size [2022-11-25 22:27:26,159 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 [2022-11-25 22:27:26,193 INFO L321 Elim1Store]: treesize reduction 21, result has 47.5 percent of original size [2022-11-25 22:27:26,195 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 [2022-11-25 22:27:26,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:27:26,266 INFO L321 Elim1Store]: treesize reduction 44, result has 44.3 percent of original size [2022-11-25 22:27:26,266 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 [2022-11-25 22:27:26,300 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-11-25 22:27:26,300 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 [2022-11-25 22:27:26,374 INFO L321 Elim1Store]: treesize reduction 21, result has 47.5 percent of original size [2022-11-25 22:27:26,374 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 [2022-11-25 22:27:30,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:27:30,500 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 198 select indices, 198 select index equivalence classes, 19503 disjoint index pairs (out of 19503 index pairs), introduced 198 new quantified variables, introduced 0 case distinctions, treesize of input 991 treesize of output 595 [2022-11-25 22:27:30,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:27:30,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:27:31,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:27:31,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:27:31,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:27:31,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:27:31,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:27:31,219 INFO L217 Elim1Store]: Index analysis took 248 ms [2022-11-25 22:27:31,262 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 [2022-11-25 22:27:31,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:27:31,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:27:31,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:27:31,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:27:31,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:27:31,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:27:31,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:27:31,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:27:31,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:27:31,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:27:31,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:27:31,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:27:31,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:27:31,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:27:31,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:27:31,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:27:31,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:27:31,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:27:31,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:27:31,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:27:31,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:27:31,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:27:31,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:27:31,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:27:31,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:27:31,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:27:31,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:27:31,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:27:31,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:27:31,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:27:31,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:27:31,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:27:31,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:27:31,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:27:31,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:27:31,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:27:31,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:27:31,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:27:31,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:27:31,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:27:31,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:27:31,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:27:31,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:27:31,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:27:31,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:27:31,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:27:31,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:27:31,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:27:31,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:27:31,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:27:31,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:27:31,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:27:31,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:27:31,634 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 [2022-11-25 22:27:32,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:27:32,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:27:32,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:27:32,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:27:32,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:27:32,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:27:32,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:27:32,226 INFO L217 Elim1Store]: Index analysis took 167 ms [2022-11-25 22:27:32,263 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 [2022-11-25 22:27:32,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:27:32,825 INFO L217 Elim1Store]: Index analysis took 115 ms [2022-11-25 22:27:32,867 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 197 select indices, 197 select index equivalence classes, 19307 disjoint index pairs (out of 19306 index pairs), introduced 197 new quantified variables, introduced 0 case distinctions, treesize of input 986 treesize of output 592 [2022-11-25 22:27:40,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:27:40,543 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 198 select indices, 198 select index equivalence classes, 19503 disjoint index pairs (out of 19503 index pairs), introduced 198 new quantified variables, introduced 0 case distinctions, treesize of input 991 treesize of output 595 [2022-11-25 22:27:40,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:27:40,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:27:40,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:27:40,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:27:40,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:27:40,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:27:40,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:27:40,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:27:40,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:27:40,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:27:40,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:27:40,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:27:40,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:27:40,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:27:40,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:27:40,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:27:40,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:27:40,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:27:40,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:27:40,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:27:40,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:27:40,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:27:40,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:27:40,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:27:40,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:27:40,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:27:40,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:27:40,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:27:40,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:27:40,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:27:40,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:27:40,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:27:40,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:27:40,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:27:40,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:27:40,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:27:40,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:27:40,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:27:40,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:27:40,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:27:40,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:27:40,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:27:40,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:27:40,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:27:40,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:27:40,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:27:40,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:27:40,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:27:40,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:27:40,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:27:40,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:27:40,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:27:40,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:27:40,963 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 [2022-11-25 22:27:41,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:27:41,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:27:41,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:27:41,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:27:41,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:27:41,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:27:41,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:27:41,926 INFO L217 Elim1Store]: Index analysis took 151 ms [2022-11-25 22:27:41,966 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 [2022-11-25 22:27:42,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:27:42,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:27:42,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:27:42,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:27:42,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:27:42,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:27:42,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:27:42,664 INFO L217 Elim1Store]: Index analysis took 111 ms [2022-11-25 22:27:42,693 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 [2022-11-25 22:27:43,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:27:43,286 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 197 select indices, 197 select index equivalence classes, 19307 disjoint index pairs (out of 19306 index pairs), introduced 197 new quantified variables, introduced 0 case distinctions, treesize of input 986 treesize of output 592 [2022-11-25 22:27:44,551 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 [2022-11-25 22:27:44,560 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 [2022-11-25 22:27:44,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:27:44,592 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:27:45,399 INFO L321 Elim1Store]: treesize reduction 147, result has 32.9 percent of original size [2022-11-25 22:27:45,400 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 793 treesize of output 607 [2022-11-25 22:27:45,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:27:45,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:27:45,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:27:49,328 INFO L321 Elim1Store]: treesize reduction 159, result has 39.5 percent of original size [2022-11-25 22:27:49,328 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 842 treesize of output 780 [2022-11-25 22:27:49,870 INFO L321 Elim1Store]: treesize reduction 48, result has 23.8 percent of original size [2022-11-25 22:27:49,871 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 160 treesize of output 235 [2022-11-25 22:27:50,102 INFO L321 Elim1Store]: treesize reduction 48, result has 23.8 percent of original size [2022-11-25 22:27:50,103 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 160 treesize of output 240 [2022-11-25 22:27:50,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:27:50,275 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 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 83 treesize of output 90 [2022-11-25 22:27:50,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:27:50,312 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 41 treesize of output 31 [2022-11-25 22:27:50,363 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-25 22:27:50,490 INFO L321 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2022-11-25 22:27:50,491 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 4 case distinctions, treesize of input 57 treesize of output 78 [2022-11-25 22:27:50,539 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-25 22:27:50,540 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 19 treesize of output 15 [2022-11-25 22:27:50,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:27:50,640 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 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 57 treesize of output 78 [2022-11-25 22:27:50,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:27:50,678 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 19 treesize of output 15 [2022-11-25 22:27:51,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:27:51,280 INFO L321 Elim1Store]: treesize reduction 24, result has 52.0 percent of original size [2022-11-25 22:27:51,280 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 75 treesize of output 74 [2022-11-25 22:27:51,320 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-25 22:27:51,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:27:51,381 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 19 treesize of output 15 [2022-11-25 22:27:51,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:27:51,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:27:51,529 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 22:27:51,529 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 51 treesize of output 69 [2022-11-25 22:27:51,635 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-25 22:27:51,663 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 3 [2022-11-25 22:27:51,751 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 22:27:51,751 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 41 treesize of output 51 [2022-11-25 22:27:51,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:27:51,850 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 229 treesize of output 294 [2022-11-25 22:27:51,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:27:51,881 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 24 [2022-11-25 22:27:52,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:27:52,321 INFO L321 Elim1Store]: treesize reduction 78, result has 18.8 percent of original size [2022-11-25 22:27:52,322 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 8 case distinctions, treesize of input 70 treesize of output 106 [2022-11-25 22:27:52,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:27:52,379 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 15 treesize of output 11 [2022-11-25 22:27:52,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:27:52,455 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 22:27:52,456 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 22 treesize of output 24 [2022-11-25 22:27:55,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:27:55,057 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 51 treesize of output 31 [2022-11-25 22:27:55,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:27:55,412 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 23 treesize of output 17 [2022-11-25 22:27:57,027 INFO L321 Elim1Store]: treesize reduction 414, result has 4.4 percent of original size [2022-11-25 22:27:57,028 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 1896 treesize of output 1846 [2022-11-25 22:27:57,054 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-25 22:27:57,069 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-25 22:27:57,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:27:57,090 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 31 [2022-11-25 22:27:57,109 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 37 treesize of output 24 [2022-11-25 22:27:57,141 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 37 treesize of output 24 [2022-11-25 22:27:57,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:27:57,161 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 51 treesize of output 31 [2022-11-25 22:27:57,184 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-25 22:27:57,201 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-25 22:27:57,243 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 22:27:57,244 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 535 treesize of output 515 [2022-11-25 22:27:57,274 INFO L321 Elim1Store]: treesize reduction 14, result has 17.6 percent of original size [2022-11-25 22:27:57,275 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 515 treesize of output 506 [2022-11-25 22:27:57,313 INFO L321 Elim1Store]: treesize reduction 54, result has 5.3 percent of original size [2022-11-25 22:27:57,313 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 512 treesize of output 491 [2022-11-25 22:27:57,334 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 37 treesize of output 24 [2022-11-25 22:27:57,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:27:57,360 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 51 treesize of output 31 [2022-11-25 22:27:57,461 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 472 treesize of output 463 [2022-11-25 22:27:57,499 INFO L321 Elim1Store]: treesize reduction 54, result has 5.3 percent of original size [2022-11-25 22:27:57,500 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 456 treesize of output 435 [2022-11-25 22:27:57,651 INFO L321 Elim1Store]: treesize reduction 21, result has 36.4 percent of original size [2022-11-25 22:27:57,652 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 5 case distinctions, treesize of input 195 treesize of output 187 [2022-11-25 22:27:57,676 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 [2022-11-25 22:27:57,694 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 11 treesize of output 7 [2022-11-25 22:27:57,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:27:57,714 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 30 treesize of output 24 [2022-11-25 22:27:57,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:27:57,733 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 36 treesize of output 30 [2022-11-25 22:27:57,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:27:57,785 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 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 236 treesize of output 222 [2022-11-25 22:27:57,816 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 125 treesize of output 69 [2022-11-25 22:27:57,847 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 65 treesize of output 37 [2022-11-25 22:27:57,876 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 57 treesize of output 31 [2022-11-25 22:27:57,921 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 [2022-11-25 22:27:57,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:27:57,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:27:57,953 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 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 104 treesize of output 98 [2022-11-25 22:27:57,967 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 41 treesize of output 25 [2022-11-25 22:27:57,980 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 21 treesize of output 13 [2022-11-25 22:27:57,994 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 17 treesize of output 11 [2022-11-25 22:27:58,008 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 [2022-11-25 22:27:58,185 INFO L321 Elim1Store]: treesize reduction 98, result has 16.9 percent of original size [2022-11-25 22:27:58,185 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 1855 treesize of output 2017 [2022-11-25 22:27:58,271 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 19 treesize of output 11 [2022-11-25 22:27:58,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:27:58,296 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 46 treesize of output 32 [2022-11-25 22:27:58,352 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-25 22:27:58,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:27:58,372 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 74 treesize of output 52 [2022-11-25 22:27:58,496 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 [2022-11-25 22:27:58,566 INFO L321 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2022-11-25 22:27:58,566 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 5 case distinctions, treesize of input 235 treesize of output 211 [2022-11-25 22:27:58,657 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 22:27:58,658 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 2134 treesize of output 2130 [2022-11-25 22:27:59,020 INFO L321 Elim1Store]: treesize reduction 103, result has 12.7 percent of original size [2022-11-25 22:27:59,020 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 1871 treesize of output 2028 [2022-11-25 22:27:59,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:27:59,059 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 1619 treesize of output 1605 [2022-11-25 22:27:59,087 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 1605 treesize of output 1597 [2022-11-25 22:27:59,119 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 1597 treesize of output 1549 [2022-11-25 22:27:59,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:27:59,160 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 1549 treesize of output 1535 [2022-11-25 22:27:59,190 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 1535 treesize of output 1527 [2022-11-25 22:27:59,365 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:27:59,367 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:27:59,370 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 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 235 treesize of output 211 [2022-11-25 22:27:59,495 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 [2022-11-25 22:27:59,707 INFO L321 Elim1Store]: treesize reduction 91, result has 22.9 percent of original size [2022-11-25 22:27:59,708 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 1852 treesize of output 2021 [2022-11-25 22:27:59,839 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 19 treesize of output 11 [2022-11-25 22:27:59,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:27:59,860 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 46 treesize of output 32 [2022-11-25 22:27:59,918 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 19 treesize of output 11 [2022-11-25 22:27:59,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:27:59,941 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 46 treesize of output 32 [2022-11-25 22:28:00,010 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 [2022-11-25 22:28:00,072 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:28:00,074 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:28:00,085 INFO L321 Elim1Store]: treesize reduction 52, result has 1.9 percent of original size [2022-11-25 22:28:00,085 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 5 case distinctions, treesize of input 235 treesize of output 211 [2022-11-25 22:28:00,195 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 22:28:00,196 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 2247 treesize of output 2243 [2022-11-25 22:28:00,408 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:28:00,421 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:28:00,426 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:28:00,427 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 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 239 treesize of output 225 [2022-11-25 22:28:00,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:00,460 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 134 treesize of output 76 [2022-11-25 22:28:00,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:00,494 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 123 treesize of output 69 [2022-11-25 22:28:00,531 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 369 treesize of output 355 [2022-11-25 22:28:00,563 INFO L321 Elim1Store]: treesize reduction 54, result has 5.3 percent of original size [2022-11-25 22:28:00,564 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 355 treesize of output 334 [2022-11-25 22:28:00,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:00,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:00,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:00,691 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 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 338 treesize of output 286 [2022-11-25 22:28:00,723 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-25 22:28:00,723 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 3 new quantified variables, introduced 1 case distinctions, treesize of input 227 treesize of output 184 [2022-11-25 22:28:00,758 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-25 22:28:00,758 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 3 new quantified variables, introduced 1 case distinctions, treesize of input 214 treesize of output 175 [2022-11-25 22:28:00,784 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 3 [2022-11-25 22:28:00,939 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-25 22:28:00,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:00,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:00,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:00,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:00,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:00,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:00,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:00,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:00,998 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 149 treesize of output 136 [2022-11-25 22:28:01,011 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-25 22:28:01,023 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 11 treesize of output 3 [2022-11-25 22:28:01,036 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 11 treesize of output 3 [2022-11-25 22:28:01,049 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 3 [2022-11-25 22:28:01,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:01,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:01,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:01,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:01,145 INFO L321 Elim1Store]: treesize reduction 20, result has 56.5 percent of original size [2022-11-25 22:28:01,146 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 3 new quantified variables, introduced 3 case distinctions, treesize of input 241 treesize of output 246 [2022-11-25 22:28:01,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:01,166 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 102 treesize of output 88 [2022-11-25 22:28:01,185 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 11 treesize of output 3 [2022-11-25 22:28:01,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:01,202 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 21 treesize of output 11 [2022-11-25 22:28:01,217 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 3 [2022-11-25 22:28:01,230 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-25 22:28:01,336 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:28:01,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:01,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:01,346 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:28:01,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:01,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:01,360 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:28:01,364 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:28:01,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:01,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:01,372 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 152 treesize of output 139 [2022-11-25 22:28:01,387 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 17 treesize of output 7 [2022-11-25 22:28:01,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:01,404 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 7 [2022-11-25 22:28:01,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:01,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:01,523 INFO L321 Elim1Store]: treesize reduction 40, result has 48.7 percent of original size [2022-11-25 22:28:01,524 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 8 case distinctions, treesize of input 307 treesize of output 318 [2022-11-25 22:28:01,554 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 [2022-11-25 22:28:01,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:01,576 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 36 [2022-11-25 22:28:01,604 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 26 treesize of output 16 [2022-11-25 22:28:01,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:01,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:01,639 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 125 treesize of output 111 [2022-11-25 22:28:01,690 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 22:28:01,691 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 148 treesize of output 140 [2022-11-25 22:28:01,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:01,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:01,904 INFO L321 Elim1Store]: treesize reduction 40, result has 48.7 percent of original size [2022-11-25 22:28:01,904 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 8 case distinctions, treesize of input 307 treesize of output 318 [2022-11-25 22:28:01,931 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-25 22:28:01,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:01,959 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 50 treesize of output 36 [2022-11-25 22:28:02,004 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 22:28:02,005 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 26 treesize of output 30 [2022-11-25 22:28:02,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:02,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:02,063 INFO L321 Elim1Store]: treesize reduction 13, result has 7.1 percent of original size [2022-11-25 22:28:02,063 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 158 treesize of output 144 [2022-11-25 22:28:02,109 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 22:28:02,109 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 171 treesize of output 163 [2022-11-25 22:28:02,221 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:28:02,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:02,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:02,232 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:28:02,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:02,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:02,245 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:28:02,249 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:28:02,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:02,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:02,253 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 152 treesize of output 139 [2022-11-25 22:28:02,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:02,272 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 17 treesize of output 7 [2022-11-25 22:28:02,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:02,291 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 21 treesize of output 7 [2022-11-25 22:28:02,323 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:28:02,330 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:28:02,330 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:28:02,340 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-25 22:28:02,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:02,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:02,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:02,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:02,452 INFO L321 Elim1Store]: treesize reduction 20, result has 56.5 percent of original size [2022-11-25 22:28:02,453 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 3 new quantified variables, introduced 3 case distinctions, treesize of input 241 treesize of output 246 [2022-11-25 22:28:02,470 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-25 22:28:02,486 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 3 [2022-11-25 22:28:02,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:02,512 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 102 treesize of output 88 [2022-11-25 22:28:02,538 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 11 treesize of output 3 [2022-11-25 22:28:02,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:02,560 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 21 treesize of output 11 [2022-11-25 22:28:02,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:02,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:02,690 INFO L321 Elim1Store]: treesize reduction 69, result has 11.5 percent of original size [2022-11-25 22:28:02,691 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 8 case distinctions, treesize of input 2089 treesize of output 2013 [2022-11-25 22:28:02,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:02,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:02,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:02,752 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 98 treesize of output 70 [2022-11-25 22:28:03,034 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-25 22:28:03,104 INFO L321 Elim1Store]: treesize reduction 100, result has 2.9 percent of original size [2022-11-25 22:28:03,105 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 9 case distinctions, treesize of input 1563 treesize of output 1476 [2022-11-25 22:28:03,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:03,228 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 225 treesize of output 184 [2022-11-25 22:28:03,239 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-25 22:28:03,252 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-25 22:28:03,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:03,267 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 21 treesize of output 7 [2022-11-25 22:28:03,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:03,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:03,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:03,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:03,353 INFO L321 Elim1Store]: treesize reduction 41, result has 10.9 percent of original size [2022-11-25 22:28:03,354 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 3 new quantified variables, introduced 3 case distinctions, treesize of input 1850 treesize of output 1781 [2022-11-25 22:28:03,378 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-25 22:28:03,471 INFO L321 Elim1Store]: treesize reduction 14, result has 62.2 percent of original size [2022-11-25 22:28:03,471 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 1655 treesize of output 1558 [2022-11-25 22:28:03,538 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 22:28:03,538 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 84 treesize of output 81 [2022-11-25 22:28:03,596 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 22:28:03,596 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 80 treesize of output 81 [2022-11-25 22:28:04,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:04,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:04,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:04,461 INFO L321 Elim1Store]: treesize reduction 21, result has 36.4 percent of original size [2022-11-25 22:28:04,461 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 3 new quantified variables, introduced 5 case distinctions, treesize of input 215 treesize of output 208 [2022-11-25 22:28:04,484 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 11 treesize of output 3 [2022-11-25 22:28:04,500 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 26 treesize of output 16 [2022-11-25 22:28:04,522 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 11 treesize of output 3 [2022-11-25 22:28:04,540 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 16 [2022-11-25 22:28:04,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:04,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:04,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:04,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:04,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:04,623 INFO L321 Elim1Store]: treesize reduction 21, result has 36.4 percent of original size [2022-11-25 22:28:04,625 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 215 treesize of output 208 [2022-11-25 22:28:04,647 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 11 treesize of output 3 [2022-11-25 22:28:04,663 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 26 treesize of output 16 [2022-11-25 22:28:04,683 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 11 treesize of output 3 [2022-11-25 22:28:04,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:04,702 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 16 [2022-11-25 22:28:04,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:04,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:04,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:04,801 INFO L321 Elim1Store]: treesize reduction 21, result has 36.4 percent of original size [2022-11-25 22:28:04,801 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 3 new quantified variables, introduced 5 case distinctions, treesize of input 215 treesize of output 208 [2022-11-25 22:28:04,824 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 11 treesize of output 3 [2022-11-25 22:28:04,842 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 30 treesize of output 16 [2022-11-25 22:28:04,865 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-25 22:28:04,896 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 22:28:04,897 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 26 treesize of output 30 [2022-11-25 22:28:04,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:04,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:04,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:04,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:04,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:04,970 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 149 treesize of output 136 [2022-11-25 22:28:04,989 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 11 treesize of output 3 [2022-11-25 22:28:05,005 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 11 treesize of output 3 [2022-11-25 22:28:05,021 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-25 22:28:05,036 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 3 [2022-11-25 22:28:05,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:05,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:05,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:05,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:05,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:05,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:05,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:05,088 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 149 treesize of output 136 [2022-11-25 22:28:05,104 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-25 22:28:05,120 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 11 treesize of output 3 [2022-11-25 22:28:05,135 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 11 treesize of output 3 [2022-11-25 22:28:05,151 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 3 [2022-11-25 22:28:05,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:05,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:05,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:05,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:05,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:05,236 INFO L321 Elim1Store]: treesize reduction 21, result has 36.4 percent of original size [2022-11-25 22:28:05,236 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 215 treesize of output 208 [2022-11-25 22:28:05,258 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-25 22:28:05,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:05,285 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 26 treesize of output 16 [2022-11-25 22:28:05,307 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 11 treesize of output 3 [2022-11-25 22:28:05,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:05,328 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 30 treesize of output 16 [2022-11-25 22:28:05,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:05,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:05,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:05,410 INFO L321 Elim1Store]: treesize reduction 21, result has 36.4 percent of original size [2022-11-25 22:28:05,410 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 3 new quantified variables, introduced 5 case distinctions, treesize of input 199 treesize of output 192 [2022-11-25 22:28:05,432 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 3 [2022-11-25 22:28:05,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:05,452 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 22 treesize of output 16 [2022-11-25 22:28:05,478 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 3 [2022-11-25 22:28:05,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:05,497 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 22 treesize of output 16 [2022-11-25 22:28:05,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:05,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:05,531 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 305 treesize of output 254 [2022-11-25 22:28:05,553 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-25 22:28:05,568 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-25 22:28:05,571 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-25 22:28:05,992 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 [2022-11-25 22:28:06,002 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 [2022-11-25 22:28:06,049 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 [2022-11-25 22:28:06,055 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 [2022-11-25 22:28:06,065 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 [2022-11-25 22:28:06,072 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 [2022-11-25 22:28:06,079 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 [2022-11-25 22:28:06,116 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 [2022-11-25 22:28:06,123 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 [2022-11-25 22:28:06,130 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 [2022-11-25 22:28:06,141 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 [2022-11-25 22:28:06,148 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 [2022-11-25 22:28:06,201 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 [2022-11-25 22:28:06,421 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 [2022-11-25 22:28:06,462 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-11-25 22:28:06,462 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 21 [2022-11-25 22:28:06,591 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 [2022-11-25 22:28:06,604 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 [2022-11-25 22:28:06,691 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 [2022-11-25 22:28:06,706 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 [2022-11-25 22:28:07,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:07,104 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:28:07,877 INFO L321 Elim1Store]: treesize reduction 147, result has 32.9 percent of original size [2022-11-25 22:28:07,877 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 793 treesize of output 607 [2022-11-25 22:28:07,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:07,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:07,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:11,478 INFO L321 Elim1Store]: treesize reduction 159, result has 39.5 percent of original size [2022-11-25 22:28:11,479 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 842 treesize of output 780 [2022-11-25 22:28:11,823 INFO L321 Elim1Store]: treesize reduction 60, result has 24.1 percent of original size [2022-11-25 22:28:11,823 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 176 treesize of output 252 [2022-11-25 22:28:11,993 INFO L321 Elim1Store]: treesize reduction 60, result has 24.1 percent of original size [2022-11-25 22:28:11,994 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 176 treesize of output 252 [2022-11-25 22:28:12,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:12,136 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 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 91 treesize of output 103 [2022-11-25 22:28:12,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:12,171 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 49 treesize of output 35 [2022-11-25 22:28:12,293 INFO L321 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2022-11-25 22:28:12,294 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 4 case distinctions, treesize of input 91 treesize of output 103 [2022-11-25 22:28:12,345 INFO L321 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2022-11-25 22:28:12,345 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 49 treesize of output 35 [2022-11-25 22:28:12,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:13,014 INFO L321 Elim1Store]: treesize reduction 24, result has 52.0 percent of original size [2022-11-25 22:28:13,014 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 81 treesize of output 80 [2022-11-25 22:28:13,057 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 3 [2022-11-25 22:28:13,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:13,115 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 28 treesize of output 22 [2022-11-25 22:28:13,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:13,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:13,256 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 22:28:13,256 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 73 [2022-11-25 22:28:13,405 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 22:28:13,406 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 40 treesize of output 50 [2022-11-25 22:28:13,446 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-25 22:28:13,465 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-25 22:28:14,360 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-25 22:28:14,379 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-25 22:28:14,431 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-25 22:28:14,453 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-25 22:28:14,480 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-25 22:28:14,498 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-25 22:28:14,528 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-25 22:28:14,544 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-25 22:28:14,568 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-25 22:28:14,584 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-25 22:28:15,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:15,778 INFO L190 IndexEqualityManager]: detected not equals via solver