./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_array_list_back_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8393723b 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_9525854e-28bd-45c8-9cc0-06d569d9db3a/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9525854e-28bd-45c8-9cc0-06d569d9db3a/bin/utaipan-I9t0OCRTmS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9525854e-28bd-45c8-9cc0-06d569d9db3a/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9525854e-28bd-45c8-9cc0-06d569d9db3a/bin/utaipan-I9t0OCRTmS/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_array_list_back_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9525854e-28bd-45c8-9cc0-06d569d9db3a/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9525854e-28bd-45c8-9cc0-06d569d9db3a/bin/utaipan-I9t0OCRTmS --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 43b2ef256b4d1a93a084f86d3d9a0522c1b29c695f7bf9f8438f4c917cc80da0 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-8393723 [2022-11-19 07:12:59,107 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 07:12:59,110 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 07:12:59,151 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 07:12:59,154 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 07:12:59,158 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 07:12:59,160 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 07:12:59,164 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 07:12:59,168 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 07:12:59,173 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 07:12:59,174 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 07:12:59,176 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 07:12:59,177 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 07:12:59,180 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 07:12:59,181 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 07:12:59,182 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 07:12:59,185 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 07:12:59,190 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 07:12:59,192 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 07:12:59,193 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 07:12:59,197 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 07:12:59,198 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 07:12:59,199 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 07:12:59,200 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 07:12:59,203 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 07:12:59,203 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 07:12:59,203 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 07:12:59,204 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 07:12:59,205 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 07:12:59,206 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 07:12:59,206 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 07:12:59,207 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 07:12:59,207 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 07:12:59,208 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 07:12:59,209 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 07:12:59,210 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 07:12:59,210 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 07:12:59,211 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 07:12:59,211 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 07:12:59,212 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 07:12:59,213 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 07:12:59,214 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9525854e-28bd-45c8-9cc0-06d569d9db3a/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-19 07:12:59,234 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 07:12:59,234 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 07:12:59,235 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 07:12:59,235 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 07:12:59,236 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 07:12:59,236 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 07:12:59,236 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 07:12:59,236 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 07:12:59,237 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 07:12:59,237 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-19 07:12:59,237 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 07:12:59,238 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 07:12:59,238 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-19 07:12:59,238 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-19 07:12:59,238 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 07:12:59,239 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-19 07:12:59,239 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-19 07:12:59,239 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-19 07:12:59,240 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 07:12:59,240 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-19 07:12:59,241 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 07:12:59,241 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-19 07:12:59,241 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 07:12:59,241 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-19 07:12:59,242 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-19 07:12:59,242 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 07:12:59,242 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-19 07:12:59,242 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 07:12:59,243 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 07:12:59,243 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 07:12:59,243 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 07:12:59,243 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-19 07:12:59,243 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 07:12:59,244 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-19 07:12:59,244 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-19 07:12:59,244 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-19 07:12:59,244 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-19 07:12:59,244 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 07:12:59,245 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_9525854e-28bd-45c8-9cc0-06d569d9db3a/bin/utaipan-I9t0OCRTmS/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9525854e-28bd-45c8-9cc0-06d569d9db3a/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 43b2ef256b4d1a93a084f86d3d9a0522c1b29c695f7bf9f8438f4c917cc80da0 [2022-11-19 07:12:59,517 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 07:12:59,551 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 07:12:59,555 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 07:12:59,557 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 07:12:59,558 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 07:12:59,559 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9525854e-28bd-45c8-9cc0-06d569d9db3a/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/aws-c-common/aws_array_list_back_harness.i [2022-11-19 07:12:59,628 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9525854e-28bd-45c8-9cc0-06d569d9db3a/bin/utaipan-I9t0OCRTmS/data/d87fe7c29/6dec75f4c9c9404284615ab8b462115a/FLAG07a0b6786 [2022-11-19 07:13:00,513 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 07:13:00,514 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9525854e-28bd-45c8-9cc0-06d569d9db3a/sv-benchmarks/c/aws-c-common/aws_array_list_back_harness.i [2022-11-19 07:13:00,547 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9525854e-28bd-45c8-9cc0-06d569d9db3a/bin/utaipan-I9t0OCRTmS/data/d87fe7c29/6dec75f4c9c9404284615ab8b462115a/FLAG07a0b6786 [2022-11-19 07:13:01,023 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9525854e-28bd-45c8-9cc0-06d569d9db3a/bin/utaipan-I9t0OCRTmS/data/d87fe7c29/6dec75f4c9c9404284615ab8b462115a [2022-11-19 07:13:01,026 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 07:13:01,027 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 07:13:01,034 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 07:13:01,034 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 07:13:01,038 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 07:13:01,039 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:13:01" (1/1) ... [2022-11-19 07:13:01,040 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@925e698 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:13:01, skipping insertion in model container [2022-11-19 07:13:01,040 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:13:01" (1/1) ... [2022-11-19 07:13:01,048 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 07:13:01,147 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 07:13:01,462 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9525854e-28bd-45c8-9cc0-06d569d9db3a/sv-benchmarks/c/aws-c-common/aws_array_list_back_harness.i[4493,4506] [2022-11-19 07:13:01,470 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9525854e-28bd-45c8-9cc0-06d569d9db3a/sv-benchmarks/c/aws-c-common/aws_array_list_back_harness.i[4553,4566] [2022-11-19 07:13:02,370 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-19 07:13:02,443 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 07:13:02,443 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 07:13:02,444 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 07:13:02,445 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 07:13:02,446 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 07:13:02,459 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 07:13:02,460 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 07:13:02,462 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 07:13:02,462 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 07:13:02,464 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 07:13:02,466 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 07:13:02,466 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 07:13:02,467 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 07:13:02,825 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-19 07:13:02,826 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-19 07:13:02,827 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-19 07:13:02,829 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-19 07:13:02,830 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-19 07:13:02,831 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-19 07:13:02,832 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-19 07:13:02,833 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-19 07:13:02,834 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-19 07:13:02,835 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-19 07:13:02,996 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 07:13:03,004 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 07:13:03,065 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 07:13:03,092 INFO L203 MainTranslator]: Completed pre-run [2022-11-19 07:13:03,105 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9525854e-28bd-45c8-9cc0-06d569d9db3a/sv-benchmarks/c/aws-c-common/aws_array_list_back_harness.i[4493,4506] [2022-11-19 07:13:03,109 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9525854e-28bd-45c8-9cc0-06d569d9db3a/sv-benchmarks/c/aws-c-common/aws_array_list_back_harness.i[4553,4566] [2022-11-19 07:13:03,181 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-19 07:13:03,202 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 07:13:03,211 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 07:13:03,212 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 07:13:03,212 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 07:13:03,214 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 07:13:03,228 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 07:13:03,229 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 07:13:03,231 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 07:13:03,232 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 07:13:03,236 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 07:13:03,237 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 07:13:03,238 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 07:13:03,239 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 07:13:03,294 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-19 07:13:03,295 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-19 07:13:03,297 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-19 07:13:03,298 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-19 07:13:03,298 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-19 07:13:03,302 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-19 07:13:03,303 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-19 07:13:03,303 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-19 07:13:03,304 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-19 07:13:03,305 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-19 07:13:03,367 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 07:13:03,376 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 07:13:03,477 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 07:13:03,673 INFO L208 MainTranslator]: Completed translation [2022-11-19 07:13:03,674 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:13:03 WrapperNode [2022-11-19 07:13:03,674 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 07:13:03,675 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-19 07:13:03,675 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-19 07:13:03,675 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-19 07:13:03,683 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:13:03" (1/1) ... [2022-11-19 07:13:03,763 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:13:03" (1/1) ... [2022-11-19 07:13:03,829 INFO L138 Inliner]: procedures = 691, calls = 1681, calls flagged for inlining = 53, calls inlined = 9, statements flattened = 655 [2022-11-19 07:13:03,830 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-19 07:13:03,830 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-19 07:13:03,831 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-19 07:13:03,831 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-19 07:13:03,840 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:13:03" (1/1) ... [2022-11-19 07:13:03,841 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:13:03" (1/1) ... [2022-11-19 07:13:03,850 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:13:03" (1/1) ... [2022-11-19 07:13:03,850 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:13:03" (1/1) ... [2022-11-19 07:13:03,877 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:13:03" (1/1) ... [2022-11-19 07:13:03,882 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:13:03" (1/1) ... [2022-11-19 07:13:03,903 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:13:03" (1/1) ... [2022-11-19 07:13:03,907 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:13:03" (1/1) ... [2022-11-19 07:13:03,914 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-19 07:13:03,915 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-19 07:13:03,931 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-19 07:13:03,931 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-19 07:13:03,932 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:13:03" (1/1) ... [2022-11-19 07:13:03,939 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 07:13:03,950 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9525854e-28bd-45c8-9cc0-06d569d9db3a/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:13:03,967 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9525854e-28bd-45c8-9cc0-06d569d9db3a/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-19 07:13:03,999 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9525854e-28bd-45c8-9cc0-06d569d9db3a/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-19 07:13:04,018 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-19 07:13:04,018 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2022-11-19 07:13:04,019 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2022-11-19 07:13:04,019 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2022-11-19 07:13:04,019 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2022-11-19 07:13:04,019 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2022-11-19 07:13:04,019 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2022-11-19 07:13:04,019 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-19 07:13:04,020 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2022-11-19 07:13:04,020 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2022-11-19 07:13:04,020 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-11-19 07:13:04,020 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-11-19 07:13:04,020 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-19 07:13:04,020 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-19 07:13:04,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-19 07:13:04,022 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2022-11-19 07:13:04,022 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2022-11-19 07:13:04,022 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-19 07:13:04,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-19 07:13:04,023 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2022-11-19 07:13:04,023 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2022-11-19 07:13:04,023 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2022-11-19 07:13:04,023 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2022-11-19 07:13:04,024 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2022-11-19 07:13:04,024 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2022-11-19 07:13:04,024 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2022-11-19 07:13:04,024 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2022-11-19 07:13:04,025 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_length [2022-11-19 07:13:04,025 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_length [2022-11-19 07:13:04,025 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-19 07:13:04,025 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-19 07:13:04,026 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2022-11-19 07:13:04,026 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2022-11-19 07:13:04,026 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-19 07:13:04,026 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-19 07:13:04,026 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-19 07:13:04,026 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2022-11-19 07:13:04,028 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2022-11-19 07:13:04,029 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2022-11-19 07:13:04,029 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2022-11-19 07:13:04,029 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-19 07:13:04,029 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2022-11-19 07:13:04,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2022-11-19 07:13:04,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-19 07:13:04,419 INFO L235 CfgBuilder]: Building ICFG [2022-11-19 07:13:04,423 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-19 07:13:05,665 INFO L276 CfgBuilder]: Performing block encoding [2022-11-19 07:13:05,858 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-19 07:13:05,859 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-19 07:13:05,862 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:13:05 BoogieIcfgContainer [2022-11-19 07:13:05,862 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-19 07:13:05,866 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-19 07:13:05,866 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-19 07:13:05,870 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-19 07:13:05,870 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:13:01" (1/3) ... [2022-11-19 07:13:05,872 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f840539 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:13:05, skipping insertion in model container [2022-11-19 07:13:05,872 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:13:03" (2/3) ... [2022-11-19 07:13:05,876 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f840539 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:13:05, skipping insertion in model container [2022-11-19 07:13:05,876 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:13:05" (3/3) ... [2022-11-19 07:13:05,884 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_array_list_back_harness.i [2022-11-19 07:13:05,904 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-19 07:13:05,904 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-19 07:13:05,980 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-19 07:13:05,992 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;@1ca62474, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-19 07:13:05,992 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-19 07:13:05,997 INFO L276 IsEmpty]: Start isEmpty. Operand has 149 states, 78 states have (on average 1.1794871794871795) internal successors, (92), 79 states have internal predecessors, (92), 53 states have call successors, (53), 16 states have call predecessors, (53), 16 states have return successors, (53), 53 states have call predecessors, (53), 53 states have call successors, (53) [2022-11-19 07:13:06,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-11-19 07:13:06,018 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:13:06,019 INFO L195 NwaCegarLoop]: trace histogram [10, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:13:06,019 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:13:06,026 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:13:06,027 INFO L85 PathProgramCache]: Analyzing trace with hash 760808035, now seen corresponding path program 1 times [2022-11-19 07:13:06,073 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:13:06,074 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2056810007] [2022-11-19 07:13:06,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:13:06,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:13:06,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:13:07,143 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2022-11-19 07:13:07,143 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:13:07,144 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2056810007] [2022-11-19 07:13:07,145 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2056810007] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 07:13:07,145 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1419713926] [2022-11-19 07:13:07,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:13:07,145 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:13:07,146 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9525854e-28bd-45c8-9cc0-06d569d9db3a/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:13:07,151 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9525854e-28bd-45c8-9cc0-06d569d9db3a/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 07:13:07,174 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9525854e-28bd-45c8-9cc0-06d569d9db3a/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-19 07:13:07,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:13:07,791 INFO L263 TraceCheckSpWp]: Trace formula consists of 2212 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-19 07:13:07,804 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 07:13:07,897 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2022-11-19 07:13:07,897 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 07:13:07,898 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1419713926] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:13:07,898 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-19 07:13:07,898 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 8 [2022-11-19 07:13:07,901 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1173335148] [2022-11-19 07:13:07,902 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:13:07,906 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-19 07:13:07,907 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:13:07,936 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-19 07:13:07,937 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-11-19 07:13:07,940 INFO L87 Difference]: Start difference. First operand has 149 states, 78 states have (on average 1.1794871794871795) internal successors, (92), 79 states have internal predecessors, (92), 53 states have call successors, (53), 16 states have call predecessors, (53), 16 states have return successors, (53), 53 states have call predecessors, (53), 53 states have call successors, (53) Second operand has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 3 states have call successors, (22), 2 states have call predecessors, (22), 3 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2022-11-19 07:13:08,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:13:08,526 INFO L93 Difference]: Finished difference Result 275 states and 387 transitions. [2022-11-19 07:13:08,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-19 07:13:08,529 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 3 states have call successors, (22), 2 states have call predecessors, (22), 3 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 95 [2022-11-19 07:13:08,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:13:08,540 INFO L225 Difference]: With dead ends: 275 [2022-11-19 07:13:08,540 INFO L226 Difference]: Without dead ends: 145 [2022-11-19 07:13:08,544 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2022-11-19 07:13:08,548 INFO L413 NwaCegarLoop]: 160 mSDtfsCounter, 39 mSDsluCounter, 398 mSDsCounter, 0 mSdLazyCounter, 155 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 558 SdHoareTripleChecker+Invalid, 157 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 155 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-19 07:13:08,549 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 558 Invalid, 157 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 155 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-19 07:13:08,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2022-11-19 07:13:08,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 145. [2022-11-19 07:13:08,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 145 states, 75 states have (on average 1.1333333333333333) internal successors, (85), 77 states have internal predecessors, (85), 53 states have call successors, (53), 16 states have call predecessors, (53), 16 states have return successors, (56), 51 states have call predecessors, (56), 51 states have call successors, (56) [2022-11-19 07:13:08,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 194 transitions. [2022-11-19 07:13:08,609 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 194 transitions. Word has length 95 [2022-11-19 07:13:08,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:13:08,609 INFO L495 AbstractCegarLoop]: Abstraction has 145 states and 194 transitions. [2022-11-19 07:13:08,610 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 3 states have call successors, (22), 2 states have call predecessors, (22), 3 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2022-11-19 07:13:08,610 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 194 transitions. [2022-11-19 07:13:08,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-11-19 07:13:08,615 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:13:08,615 INFO L195 NwaCegarLoop]: trace histogram [10, 5, 5, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:13:08,630 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9525854e-28bd-45c8-9cc0-06d569d9db3a/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-19 07:13:08,820 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9525854e-28bd-45c8-9cc0-06d569d9db3a/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:13:08,820 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:13:08,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:13:08,821 INFO L85 PathProgramCache]: Analyzing trace with hash 2068520097, now seen corresponding path program 1 times [2022-11-19 07:13:08,821 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:13:08,821 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2112357065] [2022-11-19 07:13:08,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:13:08,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:13:08,928 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-19 07:13:08,928 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [829876848] [2022-11-19 07:13:08,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:13:08,929 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:13:08,929 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9525854e-28bd-45c8-9cc0-06d569d9db3a/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:13:08,930 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9525854e-28bd-45c8-9cc0-06d569d9db3a/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 07:13:08,935 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9525854e-28bd-45c8-9cc0-06d569d9db3a/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-19 07:13:09,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:13:09,572 INFO L263 TraceCheckSpWp]: Trace formula consists of 2476 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-19 07:13:09,578 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 07:13:09,703 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2022-11-19 07:13:09,704 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 07:13:09,704 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:13:09,704 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2112357065] [2022-11-19 07:13:09,704 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-19 07:13:09,705 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [829876848] [2022-11-19 07:13:09,705 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [829876848] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:13:09,705 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:13:09,705 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-19 07:13:09,705 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1253253285] [2022-11-19 07:13:09,706 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:13:09,708 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-19 07:13:09,709 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:13:09,709 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-19 07:13:09,709 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-19 07:13:09,710 INFO L87 Difference]: Start difference. First operand 145 states and 194 transitions. Second operand has 6 states, 5 states have (on average 8.8) internal successors, (44), 6 states have internal predecessors, (44), 4 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (22), 3 states have call predecessors, (22), 4 states have call successors, (22) [2022-11-19 07:13:10,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:13:10,218 INFO L93 Difference]: Finished difference Result 236 states and 315 transitions. [2022-11-19 07:13:10,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-19 07:13:10,219 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 8.8) internal successors, (44), 6 states have internal predecessors, (44), 4 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (22), 3 states have call predecessors, (22), 4 states have call successors, (22) Word has length 113 [2022-11-19 07:13:10,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:13:10,221 INFO L225 Difference]: With dead ends: 236 [2022-11-19 07:13:10,221 INFO L226 Difference]: Without dead ends: 145 [2022-11-19 07:13:10,222 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-19 07:13:10,224 INFO L413 NwaCegarLoop]: 150 mSDtfsCounter, 52 mSDsluCounter, 473 mSDsCounter, 0 mSdLazyCounter, 203 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 623 SdHoareTripleChecker+Invalid, 245 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 203 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-19 07:13:10,224 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 623 Invalid, 245 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 203 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-19 07:13:10,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2022-11-19 07:13:10,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 145. [2022-11-19 07:13:10,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 145 states, 75 states have (on average 1.1333333333333333) internal successors, (85), 77 states have internal predecessors, (85), 53 states have call successors, (53), 16 states have call predecessors, (53), 16 states have return successors, (53), 51 states have call predecessors, (53), 51 states have call successors, (53) [2022-11-19 07:13:10,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 191 transitions. [2022-11-19 07:13:10,239 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 191 transitions. Word has length 113 [2022-11-19 07:13:10,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:13:10,240 INFO L495 AbstractCegarLoop]: Abstraction has 145 states and 191 transitions. [2022-11-19 07:13:10,240 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 8.8) internal successors, (44), 6 states have internal predecessors, (44), 4 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (22), 3 states have call predecessors, (22), 4 states have call successors, (22) [2022-11-19 07:13:10,241 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 191 transitions. [2022-11-19 07:13:10,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2022-11-19 07:13:10,243 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:13:10,243 INFO L195 NwaCegarLoop]: trace histogram [10, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:13:10,260 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9525854e-28bd-45c8-9cc0-06d569d9db3a/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-19 07:13:10,453 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9525854e-28bd-45c8-9cc0-06d569d9db3a/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:13:10,453 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:13:10,454 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:13:10,454 INFO L85 PathProgramCache]: Analyzing trace with hash -789505348, now seen corresponding path program 2 times [2022-11-19 07:13:10,454 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:13:10,454 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [336469487] [2022-11-19 07:13:10,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:13:10,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:13:10,544 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-19 07:13:10,545 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [443636521] [2022-11-19 07:13:10,545 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-19 07:13:10,545 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:13:10,545 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9525854e-28bd-45c8-9cc0-06d569d9db3a/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:13:10,547 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9525854e-28bd-45c8-9cc0-06d569d9db3a/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 07:13:10,552 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9525854e-28bd-45c8-9cc0-06d569d9db3a/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-19 07:13:11,324 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2022-11-19 07:13:11,325 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-19 07:13:11,333 INFO L263 TraceCheckSpWp]: Trace formula consists of 1839 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-19 07:13:11,339 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 07:13:11,372 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2022-11-19 07:13:11,373 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 07:13:11,373 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:13:11,373 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [336469487] [2022-11-19 07:13:11,373 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-19 07:13:11,374 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [443636521] [2022-11-19 07:13:11,374 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [443636521] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:13:11,374 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:13:11,374 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-19 07:13:11,374 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1586736952] [2022-11-19 07:13:11,375 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:13:11,375 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-19 07:13:11,375 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:13:11,376 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-19 07:13:11,376 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-19 07:13:11,376 INFO L87 Difference]: Start difference. First operand 145 states and 191 transitions. Second operand has 5 states, 3 states have (on average 14.333333333333334) internal successors, (43), 4 states have internal predecessors, (43), 3 states have call successors, (24), 2 states have call predecessors, (24), 4 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2022-11-19 07:13:11,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:13:11,810 INFO L93 Difference]: Finished difference Result 232 states and 306 transitions. [2022-11-19 07:13:11,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-19 07:13:11,810 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 3 states have (on average 14.333333333333334) internal successors, (43), 4 states have internal predecessors, (43), 3 states have call successors, (24), 2 states have call predecessors, (24), 4 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) Word has length 122 [2022-11-19 07:13:11,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:13:11,812 INFO L225 Difference]: With dead ends: 232 [2022-11-19 07:13:11,813 INFO L226 Difference]: Without dead ends: 145 [2022-11-19 07:13:11,813 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-19 07:13:11,814 INFO L413 NwaCegarLoop]: 153 mSDtfsCounter, 0 mSDsluCounter, 438 mSDsCounter, 0 mSdLazyCounter, 159 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 591 SdHoareTripleChecker+Invalid, 159 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 159 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-19 07:13:11,815 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 591 Invalid, 159 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 159 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-19 07:13:11,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2022-11-19 07:13:11,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 145. [2022-11-19 07:13:11,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 145 states, 75 states have (on average 1.1333333333333333) internal successors, (85), 77 states have internal predecessors, (85), 53 states have call successors, (53), 16 states have call predecessors, (53), 16 states have return successors, (52), 51 states have call predecessors, (52), 51 states have call successors, (52) [2022-11-19 07:13:11,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 190 transitions. [2022-11-19 07:13:11,829 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 190 transitions. Word has length 122 [2022-11-19 07:13:11,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:13:11,830 INFO L495 AbstractCegarLoop]: Abstraction has 145 states and 190 transitions. [2022-11-19 07:13:11,830 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 3 states have (on average 14.333333333333334) internal successors, (43), 4 states have internal predecessors, (43), 3 states have call successors, (24), 2 states have call predecessors, (24), 4 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2022-11-19 07:13:11,830 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 190 transitions. [2022-11-19 07:13:11,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2022-11-19 07:13:11,833 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:13:11,833 INFO L195 NwaCegarLoop]: trace histogram [10, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:13:11,848 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9525854e-28bd-45c8-9cc0-06d569d9db3a/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-19 07:13:12,042 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9525854e-28bd-45c8-9cc0-06d569d9db3a/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:13:12,043 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:13:12,043 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:13:12,043 INFO L85 PathProgramCache]: Analyzing trace with hash -1803789845, now seen corresponding path program 3 times [2022-11-19 07:13:12,044 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:13:12,044 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1700191680] [2022-11-19 07:13:12,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:13:12,044 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:13:12,167 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-19 07:13:12,167 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [908818967] [2022-11-19 07:13:12,167 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-11-19 07:13:12,168 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:13:12,168 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9525854e-28bd-45c8-9cc0-06d569d9db3a/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:13:12,169 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9525854e-28bd-45c8-9cc0-06d569d9db3a/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 07:13:12,176 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9525854e-28bd-45c8-9cc0-06d569d9db3a/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-19 07:13:12,907 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-11-19 07:13:12,907 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-19 07:13:12,919 INFO L263 TraceCheckSpWp]: Trace formula consists of 2740 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-19 07:13:12,925 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 07:13:13,076 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked. [2022-11-19 07:13:13,077 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 07:13:13,077 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:13:13,077 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1700191680] [2022-11-19 07:13:13,077 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-19 07:13:13,077 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [908818967] [2022-11-19 07:13:13,078 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [908818967] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:13:13,078 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:13:13,078 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-19 07:13:13,078 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1378472778] [2022-11-19 07:13:13,079 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:13:13,079 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-19 07:13:13,079 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:13:13,080 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-19 07:13:13,080 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-11-19 07:13:13,080 INFO L87 Difference]: Start difference. First operand 145 states and 190 transitions. Second operand has 8 states, 8 states have (on average 5.0) internal successors, (40), 7 states have internal predecessors, (40), 5 states have call successors, (24), 3 states have call predecessors, (24), 2 states have return successors, (22), 5 states have call predecessors, (22), 4 states have call successors, (22) [2022-11-19 07:13:13,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:13:13,825 INFO L93 Difference]: Finished difference Result 231 states and 302 transitions. [2022-11-19 07:13:13,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-19 07:13:13,826 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.0) internal successors, (40), 7 states have internal predecessors, (40), 5 states have call successors, (24), 3 states have call predecessors, (24), 2 states have return successors, (22), 5 states have call predecessors, (22), 4 states have call successors, (22) Word has length 131 [2022-11-19 07:13:13,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:13:13,833 INFO L225 Difference]: With dead ends: 231 [2022-11-19 07:13:13,835 INFO L226 Difference]: Without dead ends: 143 [2022-11-19 07:13:13,836 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2022-11-19 07:13:13,837 INFO L413 NwaCegarLoop]: 147 mSDtfsCounter, 55 mSDsluCounter, 723 mSDsCounter, 0 mSdLazyCounter, 312 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 870 SdHoareTripleChecker+Invalid, 357 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 312 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-11-19 07:13:13,839 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [57 Valid, 870 Invalid, 357 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 312 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-11-19 07:13:13,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2022-11-19 07:13:13,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 143. [2022-11-19 07:13:13,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 143 states, 74 states have (on average 1.1216216216216217) internal successors, (83), 75 states have internal predecessors, (83), 53 states have call successors, (53), 16 states have call predecessors, (53), 15 states have return successors, (51), 51 states have call predecessors, (51), 51 states have call successors, (51) [2022-11-19 07:13:13,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 187 transitions. [2022-11-19 07:13:13,853 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 187 transitions. Word has length 131 [2022-11-19 07:13:13,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:13:13,854 INFO L495 AbstractCegarLoop]: Abstraction has 143 states and 187 transitions. [2022-11-19 07:13:13,854 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.0) internal successors, (40), 7 states have internal predecessors, (40), 5 states have call successors, (24), 3 states have call predecessors, (24), 2 states have return successors, (22), 5 states have call predecessors, (22), 4 states have call successors, (22) [2022-11-19 07:13:13,854 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 187 transitions. [2022-11-19 07:13:13,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2022-11-19 07:13:13,857 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:13:13,857 INFO L195 NwaCegarLoop]: trace histogram [10, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:13:13,879 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9525854e-28bd-45c8-9cc0-06d569d9db3a/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-11-19 07:13:14,067 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9525854e-28bd-45c8-9cc0-06d569d9db3a/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:13:14,067 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:13:14,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:13:14,067 INFO L85 PathProgramCache]: Analyzing trace with hash -80931936, now seen corresponding path program 1 times [2022-11-19 07:13:14,067 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:13:14,068 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [778916580] [2022-11-19 07:13:14,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:13:14,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:13:14,164 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-19 07:13:14,165 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1435719497] [2022-11-19 07:13:14,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:13:14,165 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:13:14,165 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9525854e-28bd-45c8-9cc0-06d569d9db3a/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:13:14,166 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9525854e-28bd-45c8-9cc0-06d569d9db3a/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 07:13:14,179 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9525854e-28bd-45c8-9cc0-06d569d9db3a/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-19 07:13:14,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:13:14,900 INFO L263 TraceCheckSpWp]: Trace formula consists of 2872 conjuncts, 56 conjunts are in the unsatisfiable core [2022-11-19 07:13:14,911 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 07:13:15,145 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 117 proven. 6 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2022-11-19 07:13:15,145 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 07:13:15,727 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 7 proven. 2 refuted. 0 times theorem prover too weak. 211 trivial. 0 not checked. [2022-11-19 07:13:15,727 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:13:15,728 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [778916580] [2022-11-19 07:13:15,728 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-19 07:13:15,728 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1435719497] [2022-11-19 07:13:15,728 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1435719497] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-19 07:13:15,728 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [777186838] [2022-11-19 07:13:15,750 INFO L159 IcfgInterpreter]: Started Sifa with 71 locations of interest [2022-11-19 07:13:15,750 INFO L166 IcfgInterpreter]: Building call graph [2022-11-19 07:13:15,754 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-19 07:13:15,759 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-19 07:13:15,760 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-19 07:13:19,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:13:20,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:13:20,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:13:20,306 INFO L217 Elim1Store]: Index analysis took 457 ms [2022-11-19 07:13:37,210 WARN L233 SmtUtils]: Spent 16.83s on a formula simplification. DAG size of input: 1740 DAG size of output: 1157 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-19 07:13:37,217 INFO L321 Elim1Store]: treesize reduction 1938, result has 47.2 percent of original size [2022-11-19 07:13:37,222 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 196 select indices, 196 select index equivalence classes, 19114 disjoint index pairs (out of 19110 index pairs), introduced 196 new quantified variables, introduced 193 case distinctions, treesize of input 987 treesize of output 2338 [2022-11-19 07:13:40,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:13:40,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:13:40,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:13:41,005 INFO L217 Elim1Store]: Index analysis took 636 ms [2022-11-19 07:14:08,364 WARN L233 SmtUtils]: Spent 27.30s on a formula simplification. DAG size of input: 2128 DAG size of output: 1161 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-19 07:14:08,369 INFO L321 Elim1Store]: treesize reduction 3474, result has 33.3 percent of original size [2022-11-19 07:14:08,373 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 198 select indices, 198 select index equivalence classes, 19310 disjoint index pairs (out of 19503 index pairs), introduced 198 new quantified variables, introduced 386 case distinctions, treesize of input 997 treesize of output 2357 [2022-11-19 07:15:11,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:11,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:11,019 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 29 [2022-11-19 07:15:11,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:11,031 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 44 treesize of output 43 [2022-11-19 07:15:11,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:11,040 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 44 treesize of output 43 [2022-11-19 07:15:11,049 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-19 07:15:14,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:14,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:14,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:14,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:14,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:14,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:14,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:14,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:14,716 INFO L217 Elim1Store]: Index analysis took 115 ms [2022-11-19 07:15:14,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:14,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:14,736 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:15:14,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:14,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:14,754 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:15:14,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:14,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:14,835 INFO L321 Elim1Store]: treesize reduction 16, result has 36.0 percent of original size [2022-11-19 07:15:14,838 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 195 select indices, 195 select index equivalence classes, 17054 disjoint index pairs (out of 18915 index pairs), introduced 195 new quantified variables, introduced 18 case distinctions, treesize of input 1752 treesize of output 594 [2022-11-19 07:15:15,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:15,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:15,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:15,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:15,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:15,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:15,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:15,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:15,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:15,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:15,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:15,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:15,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:15,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:15,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:15,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:15,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:15,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:15,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:15,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:15,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:15,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:15,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:15,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:15,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:15,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:15,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:15,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:15,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:15,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:15,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:15,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:15,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:15,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:15,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:15,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:15,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:15,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:15,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:15,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:15,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:15,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:15,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:15,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:15,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:15,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:15,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:15,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:15,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:15,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:15,296 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 55 select indices, 55 select index equivalence classes, 1243 disjoint index pairs (out of 1485 index pairs), introduced 55 new quantified variables, introduced 0 case distinctions, treesize of input 644 treesize of output 304 [2022-11-19 07:15:15,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:15,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:15,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:15,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:15,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:15,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:15,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:15,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:15,807 INFO L217 Elim1Store]: Index analysis took 131 ms [2022-11-19 07:15:15,842 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 195 select indices, 195 select index equivalence classes, 17052 disjoint index pairs (out of 18915 index pairs), introduced 195 new quantified variables, introduced 0 case distinctions, treesize of input 1752 treesize of output 586 [2022-11-19 07:15:16,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:16,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:16,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:16,401 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 197 select indices, 197 select index equivalence classes, 19309 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 [2022-11-19 07:15:16,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:16,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:16,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:16,973 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 198 select indices, 198 select index equivalence classes, 19505 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 [2022-11-19 07:15:25,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:25,794 INFO L321 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-11-19 07:15:25,799 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 197 select indices, 197 select index equivalence classes, 19305 disjoint index pairs (out of 19306 index pairs), introduced 197 new quantified variables, introduced 2 case distinctions, treesize of input 986 treesize of output 592 [2022-11-19 07:15:26,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:26,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:26,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:26,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:26,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:26,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:26,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:26,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:26,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:26,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:26,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:26,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:26,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:26,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:26,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:26,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:26,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:26,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:26,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:26,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:26,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:26,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:26,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:26,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:26,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:26,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:26,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:26,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:26,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:26,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:26,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:26,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:26,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:26,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:26,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:26,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:26,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:26,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:26,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:26,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:26,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:26,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:26,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:26,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:26,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:26,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:26,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:26,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:26,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:26,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:26,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:26,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:26,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:26,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:26,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:26,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:26,246 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-19 07:15:26,247 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 55 select indices, 55 select index equivalence classes, 1245 disjoint index pairs (out of 1485 index pairs), introduced 55 new quantified variables, introduced 4 case distinctions, treesize of input 644 treesize of output 304 [2022-11-19 07:15:26,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:26,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:26,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:26,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:26,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:26,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:26,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:26,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:26,689 INFO L217 Elim1Store]: Index analysis took 135 ms [2022-11-19 07:15:26,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:26,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:26,706 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:15:26,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:26,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:26,720 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:15:26,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:26,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:26,786 INFO L321 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2022-11-19 07:15:26,791 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 195 select indices, 195 select index equivalence classes, 17054 disjoint index pairs (out of 18915 index pairs), introduced 195 new quantified variables, introduced 18 case distinctions, treesize of input 1752 treesize of output 586 [2022-11-19 07:15:27,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:27,369 INFO L321 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-11-19 07:15:27,374 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 198 select indices, 198 select index equivalence classes, 19501 disjoint index pairs (out of 19503 index pairs), introduced 198 new quantified variables, introduced 2 case distinctions, treesize of input 991 treesize of output 595 [2022-11-19 07:15:27,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:27,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:27,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:27,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:27,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:27,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:27,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:27,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:27,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:27,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:27,989 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:15:27,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:27,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:28,001 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:15:28,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:28,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:28,099 INFO L321 Elim1Store]: treesize reduction 16, result has 36.0 percent of original size [2022-11-19 07:15:28,103 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 195 select indices, 195 select index equivalence classes, 17054 disjoint index pairs (out of 18915 index pairs), introduced 195 new quantified variables, introduced 18 case distinctions, treesize of input 1752 treesize of output 594 [2022-11-19 07:15:29,288 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-19 07:15:29,294 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-19 07:15:29,328 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-19 07:15:29,333 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-19 07:15:29,375 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-19 07:15:29,383 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-19 07:15:29,392 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-19 07:15:29,425 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-19 07:15:29,494 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-19 07:15:29,495 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 38 [2022-11-19 07:15:29,509 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-19 07:15:29,517 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-19 07:15:29,591 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-19 07:15:29,591 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 38 [2022-11-19 07:15:29,602 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-19 07:15:29,611 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-19 07:15:29,801 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-19 07:15:30,394 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 197 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2022-11-19 07:15:31,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:31,018 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 197 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 30 [2022-11-19 07:15:31,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:31,062 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 197 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 24 [2022-11-19 07:15:32,004 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 197 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2022-11-19 07:15:32,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:32,072 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 197 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 30 [2022-11-19 07:15:32,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:32,115 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 197 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 24 [2022-11-19 07:15:33,519 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-11-19 07:15:33,520 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 9 treesize of output 15 [2022-11-19 07:15:33,575 INFO L321 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-11-19 07:15:33,575 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 24 treesize of output 21 [2022-11-19 07:15:33,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:33,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:33,858 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:15:33,859 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:15:33,859 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:15:33,868 INFO L321 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2022-11-19 07:15:33,871 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 7 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 81 treesize of output 33 [2022-11-19 07:15:33,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:33,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:33,891 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:15:33,899 INFO L321 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-11-19 07:15:33,899 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 36 treesize of output 10 [2022-11-19 07:15:33,914 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-19 07:15:33,937 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-19 07:15:33,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:33,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:33,957 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:15:33,964 INFO L321 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-11-19 07:15:33,964 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 36 treesize of output 10 [2022-11-19 07:15:34,081 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-19 07:15:34,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:34,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:34,210 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:15:34,211 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:15:34,212 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:15:34,221 INFO L321 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2022-11-19 07:15:34,222 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 7 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 81 treesize of output 33 [2022-11-19 07:15:34,237 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-19 07:15:34,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:34,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:34,256 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:15:34,264 INFO L321 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-11-19 07:15:34,264 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 36 treesize of output 10 [2022-11-19 07:15:34,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:34,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:34,282 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:15:34,289 INFO L321 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-11-19 07:15:34,290 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 36 treesize of output 10 [2022-11-19 07:15:54,781 INFO L197 IcfgInterpreter]: Interpreting procedure aws_array_list_is_valid with input of size 70 for LOIs [2022-11-19 07:15:54,828 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-19 07:15:54,851 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-19 07:15:54,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:54,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:54,975 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-19 07:15:54,975 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 10 [2022-11-19 07:15:54,995 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-19 07:15:55,006 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-19 07:15:55,143 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-19 07:15:55,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:55,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:15:55,164 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-19 07:15:55,164 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 10 [2022-11-19 07:15:55,195 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-19 07:15:55,392 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-19 07:15:55,493 INFO L197 IcfgInterpreter]: Interpreting procedure aws_array_list_is_bounded with input of size 2816 for LOIs [2022-11-19 07:15:58,876 INFO L197 IcfgInterpreter]: Interpreting procedure aws_mul_size_checked with input of size 88 for LOIs [2022-11-19 07:15:59,150 INFO L197 IcfgInterpreter]: Interpreting procedure __CPROVER_overflow_mult with input of size 74 for LOIs [2022-11-19 07:15:59,173 INFO L197 IcfgInterpreter]: Interpreting procedure ensure_array_list_has_allocated_data_member with input of size 2861 for LOIs [2022-11-19 07:17:42,440 INFO L197 IcfgInterpreter]: Interpreting procedure can_fail_allocator with input of size 2856 for LOIs [2022-11-19 07:17:48,671 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 37 for LOIs [2022-11-19 07:17:48,674 INFO L197 IcfgInterpreter]: Interpreting procedure can_fail_malloc with input of size 64 for LOIs [2022-11-19 07:17:48,779 INFO L197 IcfgInterpreter]: Interpreting procedure nondet_bool with input of size 58 for LOIs [2022-11-19 07:17:48,790 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-19 07:20:20,834 WARN L233 SmtUtils]: Spent 2.52m on a formula simplification. DAG size of input: 2811 DAG size of output: 2427 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 07:23:08,973 WARN L233 SmtUtils]: Spent 2.78m on a formula simplification. DAG size of input: 2816 DAG size of output: 2432 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 07:26:32,792 WARN L233 SmtUtils]: Spent 3.37m on a formula simplification. DAG size of input: 2858 DAG size of output: 2474 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)