./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_array_list_copy_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4e7fbc69 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_dd6dc6de-13e3-4fd7-adf6-3b7964e4acfc/bin/utaipan-Q6hlc19bkW/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd6dc6de-13e3-4fd7-adf6-3b7964e4acfc/bin/utaipan-Q6hlc19bkW/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd6dc6de-13e3-4fd7-adf6-3b7964e4acfc/bin/utaipan-Q6hlc19bkW/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd6dc6de-13e3-4fd7-adf6-3b7964e4acfc/bin/utaipan-Q6hlc19bkW/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_array_list_copy_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd6dc6de-13e3-4fd7-adf6-3b7964e4acfc/bin/utaipan-Q6hlc19bkW/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd6dc6de-13e3-4fd7-adf6-3b7964e4acfc/bin/utaipan-Q6hlc19bkW --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 3a98a47bac7562a35bba31573ebdfd704a9d27baca1b439deea796ac12a0961b --- 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-4e7fbc6 [2022-11-23 13:54:27,105 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 13:54:27,108 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 13:54:27,154 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 13:54:27,155 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 13:54:27,159 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 13:54:27,162 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 13:54:27,166 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 13:54:27,171 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 13:54:27,174 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 13:54:27,175 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 13:54:27,177 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 13:54:27,177 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 13:54:27,178 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 13:54:27,179 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 13:54:27,181 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 13:54:27,183 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 13:54:27,187 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 13:54:27,189 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 13:54:27,196 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 13:54:27,198 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 13:54:27,201 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 13:54:27,204 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 13:54:27,205 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 13:54:27,214 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 13:54:27,216 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 13:54:27,216 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 13:54:27,218 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 13:54:27,219 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 13:54:27,221 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 13:54:27,222 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 13:54:27,223 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 13:54:27,225 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 13:54:27,226 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 13:54:27,229 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 13:54:27,229 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 13:54:27,230 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 13:54:27,231 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 13:54:27,231 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 13:54:27,233 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 13:54:27,233 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 13:54:27,235 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd6dc6de-13e3-4fd7-adf6-3b7964e4acfc/bin/utaipan-Q6hlc19bkW/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-23 13:54:27,279 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 13:54:27,280 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 13:54:27,281 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 13:54:27,281 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 13:54:27,282 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 13:54:27,282 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 13:54:27,283 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-23 13:54:27,283 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-23 13:54:27,283 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-23 13:54:27,284 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-23 13:54:27,285 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-23 13:54:27,285 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-23 13:54:27,285 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-23 13:54:27,286 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-23 13:54:27,286 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-23 13:54:27,286 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-23 13:54:27,287 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-23 13:54:27,287 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-23 13:54:27,288 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 13:54:27,288 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 13:54:27,289 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 13:54:27,289 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 13:54:27,289 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 13:54:27,290 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 13:54:27,290 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 13:54:27,290 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 13:54:27,291 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 13:54:27,291 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 13:54:27,292 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 13:54:27,292 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 13:54:27,292 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 13:54:27,293 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-23 13:54:27,293 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 13:54:27,294 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 13:54:27,294 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-23 13:54:27,294 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-23 13:54:27,295 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 13:54:27,295 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-23 13:54:27,295 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_dd6dc6de-13e3-4fd7-adf6-3b7964e4acfc/bin/utaipan-Q6hlc19bkW/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd6dc6de-13e3-4fd7-adf6-3b7964e4acfc/bin/utaipan-Q6hlc19bkW Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3a98a47bac7562a35bba31573ebdfd704a9d27baca1b439deea796ac12a0961b [2022-11-23 13:54:27,640 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 13:54:27,671 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 13:54:27,674 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 13:54:27,675 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 13:54:27,675 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 13:54:27,677 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd6dc6de-13e3-4fd7-adf6-3b7964e4acfc/bin/utaipan-Q6hlc19bkW/../../sv-benchmarks/c/aws-c-common/aws_array_list_copy_harness.i [2022-11-23 13:54:30,715 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 13:54:31,258 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 13:54:31,259 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd6dc6de-13e3-4fd7-adf6-3b7964e4acfc/sv-benchmarks/c/aws-c-common/aws_array_list_copy_harness.i [2022-11-23 13:54:31,306 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd6dc6de-13e3-4fd7-adf6-3b7964e4acfc/bin/utaipan-Q6hlc19bkW/data/ea00d58e3/6d906cb0bec74500b88af9d2603b47cf/FLAG740c586e3 [2022-11-23 13:54:31,320 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd6dc6de-13e3-4fd7-adf6-3b7964e4acfc/bin/utaipan-Q6hlc19bkW/data/ea00d58e3/6d906cb0bec74500b88af9d2603b47cf [2022-11-23 13:54:31,323 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 13:54:31,324 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 13:54:31,326 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 13:54:31,326 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 13:54:31,330 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 13:54:31,331 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:54:31" (1/1) ... [2022-11-23 13:54:31,332 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d6469e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:54:31, skipping insertion in model container [2022-11-23 13:54:31,332 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:54:31" (1/1) ... [2022-11-23 13:54:31,340 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 13:54:31,449 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 13:54:31,736 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd6dc6de-13e3-4fd7-adf6-3b7964e4acfc/sv-benchmarks/c/aws-c-common/aws_array_list_copy_harness.i[4493,4506] [2022-11-23 13:54:31,747 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd6dc6de-13e3-4fd7-adf6-3b7964e4acfc/sv-benchmarks/c/aws-c-common/aws_array_list_copy_harness.i[4553,4566] [2022-11-23 13:54:32,800 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-23 13:54:32,910 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 13:54:32,911 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 13:54:32,912 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 13:54:32,913 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 13:54:32,914 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 13:54:32,929 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 13:54:32,929 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 13:54:32,931 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 13:54:32,932 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 13:54:32,935 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 13:54:32,936 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 13:54:32,937 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 13:54:32,937 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 13:54:33,398 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-23 13:54:33,400 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-23 13:54:33,401 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-23 13:54:33,402 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-23 13:54:33,404 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-23 13:54:33,405 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-23 13:54:33,406 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-23 13:54:33,407 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-23 13:54:33,408 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-23 13:54:33,409 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-23 13:54:33,572 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 13:54:33,573 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 13:54:33,579 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 13:54:33,588 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 13:54:33,663 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 13:54:33,717 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 13:54:33,751 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd6dc6de-13e3-4fd7-adf6-3b7964e4acfc/sv-benchmarks/c/aws-c-common/aws_array_list_copy_harness.i[4493,4506] [2022-11-23 13:54:33,752 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd6dc6de-13e3-4fd7-adf6-3b7964e4acfc/sv-benchmarks/c/aws-c-common/aws_array_list_copy_harness.i[4553,4566] [2022-11-23 13:54:33,831 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-23 13:54:33,856 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 13:54:33,856 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 13:54:33,857 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 13:54:33,858 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 13:54:33,858 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 13:54:33,871 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 13:54:33,872 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 13:54:33,874 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 13:54:33,874 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 13:54:33,877 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 13:54:33,878 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 13:54:33,878 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 13:54:33,878 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 13:54:33,947 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-23 13:54:33,948 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-23 13:54:33,949 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-23 13:54:33,950 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-23 13:54:33,951 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-23 13:54:33,955 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-23 13:54:33,956 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-23 13:54:33,957 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-23 13:54:33,957 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-23 13:54:33,958 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-23 13:54:34,020 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 13:54:34,025 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 13:54:34,027 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 13:54:34,033 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 13:54:34,084 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 13:54:34,318 INFO L208 MainTranslator]: Completed translation [2022-11-23 13:54:34,319 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:54:34 WrapperNode [2022-11-23 13:54:34,319 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 13:54:34,320 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 13:54:34,321 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 13:54:34,321 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 13:54:34,330 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:54:34" (1/1) ... [2022-11-23 13:54:34,454 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:54:34" (1/1) ... [2022-11-23 13:54:34,551 INFO L138 Inliner]: procedures = 691, calls = 1672, calls flagged for inlining = 52, calls inlined = 7, statements flattened = 694 [2022-11-23 13:54:34,553 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 13:54:34,554 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 13:54:34,555 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 13:54:34,555 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 13:54:34,567 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:54:34" (1/1) ... [2022-11-23 13:54:34,567 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:54:34" (1/1) ... [2022-11-23 13:54:34,582 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:54:34" (1/1) ... [2022-11-23 13:54:34,583 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:54:34" (1/1) ... [2022-11-23 13:54:34,677 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:54:34" (1/1) ... [2022-11-23 13:54:34,682 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:54:34" (1/1) ... [2022-11-23 13:54:34,690 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:54:34" (1/1) ... [2022-11-23 13:54:34,711 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:54:34" (1/1) ... [2022-11-23 13:54:34,722 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 13:54:34,724 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 13:54:34,724 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 13:54:34,724 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 13:54:34,725 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:54:34" (1/1) ... [2022-11-23 13:54:34,751 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 13:54:34,765 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd6dc6de-13e3-4fd7-adf6-3b7964e4acfc/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 13:54:34,785 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd6dc6de-13e3-4fd7-adf6-3b7964e4acfc/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 13:54:34,823 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd6dc6de-13e3-4fd7-adf6-3b7964e4acfc/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 13:54:34,853 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-23 13:54:34,854 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2022-11-23 13:54:34,855 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2022-11-23 13:54:34,855 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2022-11-23 13:54:34,855 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2022-11-23 13:54:34,855 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2022-11-23 13:54:34,856 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2022-11-23 13:54:34,856 INFO L130 BoogieDeclarations]: Found specification of procedure aws_allocator_is_valid [2022-11-23 13:54:34,856 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_allocator_is_valid [2022-11-23 13:54:34,857 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-23 13:54:34,857 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2022-11-23 13:54:34,857 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2022-11-23 13:54:34,857 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-11-23 13:54:34,858 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-11-23 13:54:34,858 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-23 13:54:34,858 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-23 13:54:34,859 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-23 13:54:34,859 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2022-11-23 13:54:34,859 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2022-11-23 13:54:34,860 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 13:54:34,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 13:54:34,860 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2022-11-23 13:54:34,860 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2022-11-23 13:54:34,861 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2022-11-23 13:54:34,861 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2022-11-23 13:54:34,861 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2022-11-23 13:54:34,861 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2022-11-23 13:54:34,861 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_release [2022-11-23 13:54:34,861 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_release [2022-11-23 13:54:34,862 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-23 13:54:34,862 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-23 13:54:34,862 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2022-11-23 13:54:34,863 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2022-11-23 13:54:34,863 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_acquire [2022-11-23 13:54:34,864 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_acquire [2022-11-23 13:54:34,864 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-23 13:54:34,864 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-23 13:54:34,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-23 13:54:34,864 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2022-11-23 13:54:34,865 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2022-11-23 13:54:34,865 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2022-11-23 13:54:34,866 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2022-11-23 13:54:34,866 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-23 13:54:34,866 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2022-11-23 13:54:34,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2022-11-23 13:54:34,866 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-23 13:54:35,353 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 13:54:35,356 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 13:54:36,723 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 13:54:36,928 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 13:54:36,928 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-23 13:54:36,933 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:54:36 BoogieIcfgContainer [2022-11-23 13:54:36,933 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 13:54:36,941 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 13:54:36,942 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 13:54:36,946 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 13:54:36,946 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 01:54:31" (1/3) ... [2022-11-23 13:54:36,949 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14d66473 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:54:36, skipping insertion in model container [2022-11-23 13:54:36,950 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:54:34" (2/3) ... [2022-11-23 13:54:36,952 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14d66473 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:54:36, skipping insertion in model container [2022-11-23 13:54:36,953 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:54:36" (3/3) ... [2022-11-23 13:54:36,954 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_array_list_copy_harness.i [2022-11-23 13:54:36,985 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 13:54:36,985 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-23 13:54:37,072 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-23 13:54:37,086 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;@26a6ab80, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 13:54:37,086 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-23 13:54:37,093 INFO L276 IsEmpty]: Start isEmpty. Operand has 180 states, 90 states have (on average 1.1777777777777778) internal successors, (106), 91 states have internal predecessors, (106), 71 states have call successors, (71), 17 states have call predecessors, (71), 17 states have return successors, (71), 71 states have call predecessors, (71), 71 states have call successors, (71) [2022-11-23 13:54:37,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-11-23 13:54:37,117 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 13:54:37,118 INFO L195 NwaCegarLoop]: trace histogram [12, 5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 13:54:37,118 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 13:54:37,123 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 13:54:37,123 INFO L85 PathProgramCache]: Analyzing trace with hash -1241954246, now seen corresponding path program 1 times [2022-11-23 13:54:37,135 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 13:54:37,136 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [375365844] [2022-11-23 13:54:37,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 13:54:37,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 13:54:37,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 13:54:37,825 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 13:54:37,825 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [375365844] [2022-11-23 13:54:37,826 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2022-11-23 13:54:37,826 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1612611314] [2022-11-23 13:54:37,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 13:54:37,827 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 13:54:37,827 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd6dc6de-13e3-4fd7-adf6-3b7964e4acfc/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 13:54:37,831 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd6dc6de-13e3-4fd7-adf6-3b7964e4acfc/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 13:54:37,859 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd6dc6de-13e3-4fd7-adf6-3b7964e4acfc/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-23 13:54:38,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 13:54:38,519 INFO L263 TraceCheckSpWp]: Trace formula consists of 2319 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-23 13:54:38,531 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 13:54:38,696 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2022-11-23 13:54:38,697 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 13:54:38,698 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1612611314] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 13:54:38,698 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 13:54:38,698 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-23 13:54:38,701 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [937700771] [2022-11-23 13:54:38,705 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 13:54:38,713 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-23 13:54:38,713 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 13:54:38,743 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-23 13:54:38,744 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-23 13:54:38,747 INFO L87 Difference]: Start difference. First operand has 180 states, 90 states have (on average 1.1777777777777778) internal successors, (106), 91 states have internal predecessors, (106), 71 states have call successors, (71), 17 states have call predecessors, (71), 17 states have return successors, (71), 71 states have call predecessors, (71), 71 states have call successors, (71) Second operand has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 3 states have call successors, (26), 2 states have call predecessors, (26), 3 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2022-11-23 13:54:39,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 13:54:39,444 INFO L93 Difference]: Finished difference Result 356 states and 514 transitions. [2022-11-23 13:54:39,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-23 13:54:39,447 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 3 states have call successors, (26), 2 states have call predecessors, (26), 3 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) Word has length 112 [2022-11-23 13:54:39,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 13:54:39,459 INFO L225 Difference]: With dead ends: 356 [2022-11-23 13:54:39,459 INFO L226 Difference]: Without dead ends: 180 [2022-11-23 13:54:39,463 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-23 13:54:39,467 INFO L413 NwaCegarLoop]: 206 mSDtfsCounter, 49 mSDsluCounter, 505 mSDsCounter, 0 mSdLazyCounter, 177 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 711 SdHoareTripleChecker+Invalid, 178 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 177 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-23 13:54:39,468 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [106 Valid, 711 Invalid, 178 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 177 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-23 13:54:39,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 180 states. [2022-11-23 13:54:39,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 180 to 180. [2022-11-23 13:54:39,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 180 states, 90 states have (on average 1.1666666666666667) internal successors, (105), 92 states have internal predecessors, (105), 71 states have call successors, (71), 17 states have call predecessors, (71), 18 states have return successors, (82), 70 states have call predecessors, (82), 70 states have call successors, (82) [2022-11-23 13:54:39,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 258 transitions. [2022-11-23 13:54:39,532 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 258 transitions. Word has length 112 [2022-11-23 13:54:39,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 13:54:39,533 INFO L495 AbstractCegarLoop]: Abstraction has 180 states and 258 transitions. [2022-11-23 13:54:39,533 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 3 states have call successors, (26), 2 states have call predecessors, (26), 3 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2022-11-23 13:54:39,533 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 258 transitions. [2022-11-23 13:54:39,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2022-11-23 13:54:39,537 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 13:54:39,537 INFO L195 NwaCegarLoop]: trace histogram [12, 5, 5, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 13:54:39,554 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd6dc6de-13e3-4fd7-adf6-3b7964e4acfc/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-11-23 13:54:39,747 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd6dc6de-13e3-4fd7-adf6-3b7964e4acfc/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2022-11-23 13:54:39,747 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 13:54:39,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 13:54:39,748 INFO L85 PathProgramCache]: Analyzing trace with hash -1177974957, now seen corresponding path program 1 times [2022-11-23 13:54:39,749 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 13:54:39,749 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1704670290] [2022-11-23 13:54:39,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 13:54:39,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 13:54:39,902 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-23 13:54:39,902 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2071246490] [2022-11-23 13:54:39,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 13:54:39,903 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 13:54:39,903 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd6dc6de-13e3-4fd7-adf6-3b7964e4acfc/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 13:54:39,904 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd6dc6de-13e3-4fd7-adf6-3b7964e4acfc/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 13:54:39,923 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd6dc6de-13e3-4fd7-adf6-3b7964e4acfc/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-23 13:54:40,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 13:54:40,485 INFO L263 TraceCheckSpWp]: Trace formula consists of 2451 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-23 13:54:40,491 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 13:54:40,573 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 104 proven. 0 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2022-11-23 13:54:40,573 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 13:54:40,573 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 13:54:40,574 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1704670290] [2022-11-23 13:54:40,574 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-23 13:54:40,574 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2071246490] [2022-11-23 13:54:40,574 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2071246490] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 13:54:40,575 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 13:54:40,575 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-23 13:54:40,575 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1797334997] [2022-11-23 13:54:40,575 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 13:54:40,576 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-23 13:54:40,577 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 13:54:40,577 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-23 13:54:40,577 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-23 13:54:40,578 INFO L87 Difference]: Start difference. First operand 180 states and 258 transitions. Second operand has 5 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 3 states have call successors, (26), 2 states have call predecessors, (26), 3 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2022-11-23 13:54:41,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 13:54:41,418 INFO L93 Difference]: Finished difference Result 330 states and 471 transitions. [2022-11-23 13:54:41,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-23 13:54:41,419 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 3 states have call successors, (26), 2 states have call predecessors, (26), 3 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) Word has length 121 [2022-11-23 13:54:41,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 13:54:41,422 INFO L225 Difference]: With dead ends: 330 [2022-11-23 13:54:41,422 INFO L226 Difference]: Without dead ends: 180 [2022-11-23 13:54:41,423 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-23 13:54:41,425 INFO L413 NwaCegarLoop]: 206 mSDtfsCounter, 47 mSDsluCounter, 505 mSDsCounter, 0 mSdLazyCounter, 170 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 711 SdHoareTripleChecker+Invalid, 171 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 170 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-11-23 13:54:41,425 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [96 Valid, 711 Invalid, 171 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 170 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-11-23 13:54:41,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 180 states. [2022-11-23 13:54:41,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 180 to 180. [2022-11-23 13:54:41,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 180 states, 90 states have (on average 1.1666666666666667) internal successors, (105), 92 states have internal predecessors, (105), 71 states have call successors, (71), 17 states have call predecessors, (71), 18 states have return successors, (80), 70 states have call predecessors, (80), 70 states have call successors, (80) [2022-11-23 13:54:41,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 256 transitions. [2022-11-23 13:54:41,450 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 256 transitions. Word has length 121 [2022-11-23 13:54:41,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 13:54:41,451 INFO L495 AbstractCegarLoop]: Abstraction has 180 states and 256 transitions. [2022-11-23 13:54:41,451 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 3 states have call successors, (26), 2 states have call predecessors, (26), 3 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2022-11-23 13:54:41,451 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 256 transitions. [2022-11-23 13:54:41,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2022-11-23 13:54:41,454 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 13:54:41,454 INFO L195 NwaCegarLoop]: trace histogram [12, 5, 5, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 13:54:41,473 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd6dc6de-13e3-4fd7-adf6-3b7964e4acfc/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-11-23 13:54:41,664 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd6dc6de-13e3-4fd7-adf6-3b7964e4acfc/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 13:54:41,665 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 13:54:41,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 13:54:41,665 INFO L85 PathProgramCache]: Analyzing trace with hash 383857700, now seen corresponding path program 2 times [2022-11-23 13:54:41,666 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 13:54:41,666 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2030506682] [2022-11-23 13:54:41,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 13:54:41,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 13:54:41,772 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-23 13:54:41,774 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [328843244] [2022-11-23 13:54:41,775 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-23 13:54:41,777 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 13:54:41,778 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd6dc6de-13e3-4fd7-adf6-3b7964e4acfc/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 13:54:41,779 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd6dc6de-13e3-4fd7-adf6-3b7964e4acfc/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 13:54:41,810 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd6dc6de-13e3-4fd7-adf6-3b7964e4acfc/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-23 13:54:42,303 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2022-11-23 13:54:42,304 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-23 13:54:42,313 INFO L263 TraceCheckSpWp]: Trace formula consists of 1918 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-23 13:54:42,323 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 13:54:42,365 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 187 trivial. 0 not checked. [2022-11-23 13:54:42,366 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 13:54:42,366 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 13:54:42,366 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2030506682] [2022-11-23 13:54:42,367 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-23 13:54:42,367 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [328843244] [2022-11-23 13:54:42,367 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [328843244] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 13:54:42,367 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 13:54:42,367 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-23 13:54:42,368 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [310052304] [2022-11-23 13:54:42,368 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 13:54:42,369 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-23 13:54:42,369 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 13:54:42,369 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-23 13:54:42,370 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-23 13:54:42,370 INFO L87 Difference]: Start difference. First operand 180 states and 256 transitions. Second operand has 5 states, 4 states have (on average 9.5) internal successors, (38), 5 states have internal predecessors, (38), 2 states have call successors, (25), 2 states have call predecessors, (25), 3 states have return successors, (24), 3 states have call predecessors, (24), 2 states have call successors, (24) [2022-11-23 13:54:43,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 13:54:43,791 INFO L93 Difference]: Finished difference Result 228 states and 318 transitions. [2022-11-23 13:54:43,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-23 13:54:43,792 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 9.5) internal successors, (38), 5 states have internal predecessors, (38), 2 states have call successors, (25), 2 states have call predecessors, (25), 3 states have return successors, (24), 3 states have call predecessors, (24), 2 states have call successors, (24) Word has length 130 [2022-11-23 13:54:43,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 13:54:43,795 INFO L225 Difference]: With dead ends: 228 [2022-11-23 13:54:43,796 INFO L226 Difference]: Without dead ends: 184 [2022-11-23 13:54:43,797 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-23 13:54:43,798 INFO L413 NwaCegarLoop]: 225 mSDtfsCounter, 1 mSDsluCounter, 668 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 893 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 86 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-11-23 13:54:43,798 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 893 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-11-23 13:54:43,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 184 states. [2022-11-23 13:54:43,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 184 to 184. [2022-11-23 13:54:43,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 184 states, 93 states have (on average 1.1612903225806452) internal successors, (108), 95 states have internal predecessors, (108), 71 states have call successors, (71), 17 states have call predecessors, (71), 19 states have return successors, (82), 71 states have call predecessors, (82), 70 states have call successors, (82) [2022-11-23 13:54:43,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 184 states and 261 transitions. [2022-11-23 13:54:43,828 INFO L78 Accepts]: Start accepts. Automaton has 184 states and 261 transitions. Word has length 130 [2022-11-23 13:54:43,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 13:54:43,829 INFO L495 AbstractCegarLoop]: Abstraction has 184 states and 261 transitions. [2022-11-23 13:54:43,829 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 9.5) internal successors, (38), 5 states have internal predecessors, (38), 2 states have call successors, (25), 2 states have call predecessors, (25), 3 states have return successors, (24), 3 states have call predecessors, (24), 2 states have call successors, (24) [2022-11-23 13:54:43,830 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 261 transitions. [2022-11-23 13:54:43,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2022-11-23 13:54:43,833 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 13:54:43,833 INFO L195 NwaCegarLoop]: trace histogram [12, 5, 5, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 13:54:43,849 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd6dc6de-13e3-4fd7-adf6-3b7964e4acfc/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-23 13:54:44,043 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd6dc6de-13e3-4fd7-adf6-3b7964e4acfc/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 13:54:44,044 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 13:54:44,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 13:54:44,045 INFO L85 PathProgramCache]: Analyzing trace with hash -1075315408, now seen corresponding path program 1 times [2022-11-23 13:54:44,045 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 13:54:44,045 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [231578543] [2022-11-23 13:54:44,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 13:54:44,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 13:54:44,193 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-23 13:54:44,194 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1270768600] [2022-11-23 13:54:44,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 13:54:44,194 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 13:54:44,194 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd6dc6de-13e3-4fd7-adf6-3b7964e4acfc/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 13:54:44,196 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd6dc6de-13e3-4fd7-adf6-3b7964e4acfc/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 13:54:44,218 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd6dc6de-13e3-4fd7-adf6-3b7964e4acfc/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-23 13:54:44,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 13:54:44,935 INFO L263 TraceCheckSpWp]: Trace formula consists of 2586 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-23 13:54:44,942 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 13:54:45,077 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2022-11-23 13:54:45,077 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 13:54:45,078 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 13:54:45,078 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [231578543] [2022-11-23 13:54:45,078 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-23 13:54:45,078 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1270768600] [2022-11-23 13:54:45,078 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1270768600] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 13:54:45,079 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 13:54:45,079 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-23 13:54:45,079 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [181541824] [2022-11-23 13:54:45,080 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 13:54:45,082 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-23 13:54:45,082 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 13:54:45,083 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-23 13:54:45,083 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-23 13:54:45,083 INFO L87 Difference]: Start difference. First operand 184 states and 261 transitions. Second operand has 6 states, 6 states have (on average 7.5) internal successors, (45), 6 states have internal predecessors, (45), 4 states have call successors, (27), 2 states have call predecessors, (27), 3 states have return successors, (26), 4 states have call predecessors, (26), 4 states have call successors, (26) [2022-11-23 13:54:46,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 13:54:46,402 INFO L93 Difference]: Finished difference Result 327 states and 460 transitions. [2022-11-23 13:54:46,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-23 13:54:46,403 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 6 states have internal predecessors, (45), 4 states have call successors, (27), 2 states have call predecessors, (27), 3 states have return successors, (26), 4 states have call predecessors, (26), 4 states have call successors, (26) Word has length 134 [2022-11-23 13:54:46,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 13:54:46,406 INFO L225 Difference]: With dead ends: 327 [2022-11-23 13:54:46,407 INFO L226 Difference]: Without dead ends: 184 [2022-11-23 13:54:46,408 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-23 13:54:46,409 INFO L413 NwaCegarLoop]: 199 mSDtfsCounter, 82 mSDsluCounter, 624 mSDsCounter, 0 mSdLazyCounter, 229 mSolverCounterSat, 80 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 823 SdHoareTripleChecker+Invalid, 309 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 80 IncrementalHoareTripleChecker+Valid, 229 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-11-23 13:54:46,410 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [83 Valid, 823 Invalid, 309 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [80 Valid, 229 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-11-23 13:54:46,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 184 states. [2022-11-23 13:54:46,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 184 to 184. [2022-11-23 13:54:46,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 184 states, 93 states have (on average 1.1612903225806452) internal successors, (108), 95 states have internal predecessors, (108), 71 states have call successors, (71), 17 states have call predecessors, (71), 19 states have return successors, (77), 71 states have call predecessors, (77), 70 states have call successors, (77) [2022-11-23 13:54:46,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 184 states and 256 transitions. [2022-11-23 13:54:46,438 INFO L78 Accepts]: Start accepts. Automaton has 184 states and 256 transitions. Word has length 134 [2022-11-23 13:54:46,438 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 13:54:46,439 INFO L495 AbstractCegarLoop]: Abstraction has 184 states and 256 transitions. [2022-11-23 13:54:46,439 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 6 states have internal predecessors, (45), 4 states have call successors, (27), 2 states have call predecessors, (27), 3 states have return successors, (26), 4 states have call predecessors, (26), 4 states have call successors, (26) [2022-11-23 13:54:46,439 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 256 transitions. [2022-11-23 13:54:46,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2022-11-23 13:54:46,443 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 13:54:46,443 INFO L195 NwaCegarLoop]: trace histogram [12, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 13:54:46,466 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd6dc6de-13e3-4fd7-adf6-3b7964e4acfc/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-23 13:54:46,654 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd6dc6de-13e3-4fd7-adf6-3b7964e4acfc/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 13:54:46,655 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 13:54:46,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 13:54:46,655 INFO L85 PathProgramCache]: Analyzing trace with hash 1509806044, now seen corresponding path program 1 times [2022-11-23 13:54:46,655 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 13:54:46,656 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [287391108] [2022-11-23 13:54:46,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 13:54:46,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 13:54:46,818 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-23 13:54:46,820 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [982735550] [2022-11-23 13:54:46,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 13:54:46,823 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 13:54:46,823 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd6dc6de-13e3-4fd7-adf6-3b7964e4acfc/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 13:54:46,826 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd6dc6de-13e3-4fd7-adf6-3b7964e4acfc/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 13:54:46,827 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd6dc6de-13e3-4fd7-adf6-3b7964e4acfc/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-23 13:54:47,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 13:54:47,639 INFO L263 TraceCheckSpWp]: Trace formula consists of 2731 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-23 13:54:47,646 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 13:54:47,788 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2022-11-23 13:54:47,789 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 13:54:47,789 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 13:54:47,789 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [287391108] [2022-11-23 13:54:47,789 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-23 13:54:47,790 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [982735550] [2022-11-23 13:54:47,791 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [982735550] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 13:54:47,792 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 13:54:47,792 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-23 13:54:47,792 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [96146652] [2022-11-23 13:54:47,792 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 13:54:47,794 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-23 13:54:47,794 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 13:54:47,796 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-23 13:54:47,797 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-23 13:54:47,797 INFO L87 Difference]: Start difference. First operand 184 states and 256 transitions. Second operand has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 6 states have internal predecessors, (46), 4 states have call successors, (26), 2 states have call predecessors, (26), 3 states have return successors, (25), 4 states have call predecessors, (25), 4 states have call successors, (25) [2022-11-23 13:54:49,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 13:54:49,010 INFO L93 Difference]: Finished difference Result 324 states and 445 transitions. [2022-11-23 13:54:49,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-23 13:54:49,011 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 6 states have internal predecessors, (46), 4 states have call successors, (26), 2 states have call predecessors, (26), 3 states have return successors, (25), 4 states have call predecessors, (25), 4 states have call successors, (25) Word has length 142 [2022-11-23 13:54:49,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 13:54:49,014 INFO L225 Difference]: With dead ends: 324 [2022-11-23 13:54:49,014 INFO L226 Difference]: Without dead ends: 182 [2022-11-23 13:54:49,015 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 138 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-23 13:54:49,017 INFO L413 NwaCegarLoop]: 198 mSDtfsCounter, 81 mSDsluCounter, 623 mSDsCounter, 0 mSdLazyCounter, 231 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 821 SdHoareTripleChecker+Invalid, 299 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 231 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-11-23 13:54:49,017 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [82 Valid, 821 Invalid, 299 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [68 Valid, 231 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-11-23 13:54:49,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2022-11-23 13:54:49,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 182. [2022-11-23 13:54:49,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 182 states, 92 states have (on average 1.1521739130434783) internal successors, (106), 93 states have internal predecessors, (106), 71 states have call successors, (71), 17 states have call predecessors, (71), 18 states have return successors, (72), 71 states have call predecessors, (72), 70 states have call successors, (72) [2022-11-23 13:54:49,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 249 transitions. [2022-11-23 13:54:49,044 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 249 transitions. Word has length 142 [2022-11-23 13:54:49,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 13:54:49,045 INFO L495 AbstractCegarLoop]: Abstraction has 182 states and 249 transitions. [2022-11-23 13:54:49,045 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 6 states have internal predecessors, (46), 4 states have call successors, (26), 2 states have call predecessors, (26), 3 states have return successors, (25), 4 states have call predecessors, (25), 4 states have call successors, (25) [2022-11-23 13:54:49,045 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 249 transitions. [2022-11-23 13:54:49,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2022-11-23 13:54:49,048 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 13:54:49,049 INFO L195 NwaCegarLoop]: trace histogram [12, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 13:54:49,067 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd6dc6de-13e3-4fd7-adf6-3b7964e4acfc/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-11-23 13:54:49,261 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd6dc6de-13e3-4fd7-adf6-3b7964e4acfc/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 13:54:49,261 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 13:54:49,262 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 13:54:49,262 INFO L85 PathProgramCache]: Analyzing trace with hash 1199198901, now seen corresponding path program 1 times [2022-11-23 13:54:49,262 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 13:54:49,262 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [489768710] [2022-11-23 13:54:49,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 13:54:49,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 13:54:49,396 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-23 13:54:49,397 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [654469412] [2022-11-23 13:54:49,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 13:54:49,397 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 13:54:49,398 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd6dc6de-13e3-4fd7-adf6-3b7964e4acfc/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 13:54:49,399 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd6dc6de-13e3-4fd7-adf6-3b7964e4acfc/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 13:54:49,419 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd6dc6de-13e3-4fd7-adf6-3b7964e4acfc/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-23 13:54:50,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 13:54:50,275 INFO L263 TraceCheckSpWp]: Trace formula consists of 2863 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-23 13:54:50,283 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 13:54:50,325 INFO L134 CoverageAnalysis]: Checked inductivity of 250 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 250 trivial. 0 not checked. [2022-11-23 13:54:50,325 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 13:54:50,326 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 13:54:50,326 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [489768710] [2022-11-23 13:54:50,326 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-23 13:54:50,326 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [654469412] [2022-11-23 13:54:50,326 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [654469412] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 13:54:50,327 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 13:54:50,327 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-23 13:54:50,327 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1034466197] [2022-11-23 13:54:50,327 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 13:54:50,328 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-23 13:54:50,328 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 13:54:50,329 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-23 13:54:50,329 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-23 13:54:50,330 INFO L87 Difference]: Start difference. First operand 182 states and 249 transitions. Second operand has 6 states, 5 states have (on average 7.6) internal successors, (38), 5 states have internal predecessors, (38), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (24), 2 states have call predecessors, (24), 1 states have call successors, (24) [2022-11-23 13:54:51,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 13:54:51,471 INFO L93 Difference]: Finished difference Result 227 states and 304 transitions. [2022-11-23 13:54:51,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-23 13:54:51,472 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 7.6) internal successors, (38), 5 states have internal predecessors, (38), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (24), 2 states have call predecessors, (24), 1 states have call successors, (24) Word has length 151 [2022-11-23 13:54:51,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 13:54:51,474 INFO L225 Difference]: With dead ends: 227 [2022-11-23 13:54:51,474 INFO L226 Difference]: Without dead ends: 191 [2022-11-23 13:54:51,474 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-11-23 13:54:51,475 INFO L413 NwaCegarLoop]: 227 mSDtfsCounter, 4 mSDsluCounter, 894 mSDsCounter, 0 mSdLazyCounter, 110 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 1121 SdHoareTripleChecker+Invalid, 112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 110 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-11-23 13:54:51,476 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 1121 Invalid, 112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 110 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-11-23 13:54:51,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states. [2022-11-23 13:54:51,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 184. [2022-11-23 13:54:51,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 184 states, 94 states have (on average 1.148936170212766) internal successors, (108), 95 states have internal predecessors, (108), 71 states have call successors, (71), 17 states have call predecessors, (71), 18 states have return successors, (72), 71 states have call predecessors, (72), 70 states have call successors, (72) [2022-11-23 13:54:51,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 184 states and 251 transitions. [2022-11-23 13:54:51,499 INFO L78 Accepts]: Start accepts. Automaton has 184 states and 251 transitions. Word has length 151 [2022-11-23 13:54:51,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 13:54:51,500 INFO L495 AbstractCegarLoop]: Abstraction has 184 states and 251 transitions. [2022-11-23 13:54:51,500 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 7.6) internal successors, (38), 5 states have internal predecessors, (38), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (24), 2 states have call predecessors, (24), 1 states have call successors, (24) [2022-11-23 13:54:51,500 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 251 transitions. [2022-11-23 13:54:51,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2022-11-23 13:54:51,511 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 13:54:51,511 INFO L195 NwaCegarLoop]: trace histogram [12, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 13:54:51,529 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd6dc6de-13e3-4fd7-adf6-3b7964e4acfc/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-11-23 13:54:51,724 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd6dc6de-13e3-4fd7-adf6-3b7964e4acfc/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 13:54:51,724 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 13:54:51,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 13:54:51,725 INFO L85 PathProgramCache]: Analyzing trace with hash 665308537, now seen corresponding path program 1 times [2022-11-23 13:54:51,725 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 13:54:51,725 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1563958327] [2022-11-23 13:54:51,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 13:54:51,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 13:54:51,876 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-23 13:54:51,876 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [47835891] [2022-11-23 13:54:51,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 13:54:51,877 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 13:54:51,877 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd6dc6de-13e3-4fd7-adf6-3b7964e4acfc/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 13:54:51,878 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd6dc6de-13e3-4fd7-adf6-3b7964e4acfc/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 13:54:51,898 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd6dc6de-13e3-4fd7-adf6-3b7964e4acfc/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-11-23 13:54:52,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 13:54:52,952 INFO L263 TraceCheckSpWp]: Trace formula consists of 2982 conjuncts, 186 conjunts are in the unsatisfiable core [2022-11-23 13:54:52,966 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 13:54:53,050 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-23 13:54:53,051 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 18 [2022-11-23 13:54:53,542 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-11-23 13:54:53,552 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 21 treesize of output 20 [2022-11-23 13:54:54,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:54:54,158 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2022-11-23 13:54:54,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:54:54,172 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2022-11-23 13:54:54,191 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-11-23 13:54:54,191 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2022-11-23 13:54:55,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:54:55,647 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 30 treesize of output 32 [2022-11-23 13:54:55,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:54:55,668 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 30 treesize of output 32 [2022-11-23 13:54:55,951 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_893 Int)) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_aws_mul_size_checked_#in~r#1.base| (store (select |c_old(#memory_$Pointer$.base)| |c_aws_mul_size_checked_#in~r#1.base|) |c_aws_mul_size_checked_#in~r#1.offset| v_ArrVal_893)))) (exists ((v_ArrVal_891 Int)) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_aws_mul_size_checked_#in~r#1.base| (store (select |c_old(#memory_$Pointer$.offset)| |c_aws_mul_size_checked_#in~r#1.base|) |c_aws_mul_size_checked_#in~r#1.offset| v_ArrVal_891))))) is different from true [2022-11-23 13:54:55,983 WARN L859 $PredicateComparison]: unable to prove that (exists ((v_ArrVal_893 Int) (|aws_array_list_is_valid_~#required_size~0.base| Int) (v_ArrVal_891 Int)) (and (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |aws_array_list_is_valid_~#required_size~0.base| (store (select |c_old(#memory_$Pointer$.offset)| |aws_array_list_is_valid_~#required_size~0.base|) 0 v_ArrVal_891))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |aws_array_list_is_valid_~#required_size~0.base| (store (select |c_old(#memory_$Pointer$.base)| |aws_array_list_is_valid_~#required_size~0.base|) 0 v_ArrVal_893))))) is different from true [2022-11-23 13:54:56,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:54:56,027 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 28 treesize of output 30 [2022-11-23 13:54:56,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:54:56,037 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 28 treesize of output 30 [2022-11-23 13:54:57,535 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 10 [2022-11-23 13:54:57,542 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 10 [2022-11-23 13:54:57,616 INFO L134 CoverageAnalysis]: Checked inductivity of 309 backedges. 160 proven. 57 refuted. 0 times theorem prover too weak. 87 trivial. 5 not checked. [2022-11-23 13:54:57,617 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 13:54:58,772 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 13:54:58,775 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1563958327] [2022-11-23 13:54:58,775 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-23 13:54:58,775 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [47835891] [2022-11-23 13:54:58,775 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [47835891] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 13:54:58,776 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [958878361] [2022-11-23 13:54:58,813 INFO L159 IcfgInterpreter]: Started Sifa with 69 locations of interest [2022-11-23 13:54:58,813 INFO L166 IcfgInterpreter]: Building call graph [2022-11-23 13:54:58,820 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-23 13:54:58,827 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-23 13:54:58,828 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-23 13:55:02,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:55:03,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:55:03,513 INFO L217 Elim1Store]: Index analysis took 861 ms [2022-11-23 13:56:35,471 WARN L233 SmtUtils]: Spent 1.53m on a formula simplification. DAG size of input: 3135 DAG size of output: 1567 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-23 13:56:35,479 INFO L321 Elim1Store]: treesize reduction 7432, result has 25.5 percent of original size [2022-11-23 13:56:35,485 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 199 select indices, 199 select index equivalence classes, 19310 disjoint index pairs (out of 19701 index pairs), introduced 199 new quantified variables, introduced 588 case distinctions, treesize of input 1009 treesize of output 3157 [2022-11-23 13:56:41,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:56:41,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:56:41,445 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 196 select indices, 196 select index equivalence classes, 19505 disjoint index pairs (out of 19110 index pairs), introduced 196 new quantified variables, introduced 0 case distinctions, treesize of input 990 treesize of output 1579 [2022-11-23 13:58:22,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:58:22,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:58:22,582 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 [2022-11-23 13:58:22,593 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 [2022-11-23 13:58:22,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:58:22,604 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 [2022-11-23 13:58:22,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:58:22,614 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 [2022-11-23 13:58:27,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:58:27,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:58:27,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:58:27,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:58:27,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:58:28,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:58:28,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:58:28,095 INFO L217 Elim1Store]: Index analysis took 157 ms [2022-11-23 13:58:28,138 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 193 select indices, 193 select index equivalence classes, 16855 disjoint index pairs (out of 18528 index pairs), introduced 193 new quantified variables, introduced 0 case distinctions, treesize of input 1736 treesize of output 580 [2022-11-23 13:58:28,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:58:28,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:58:28,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:58:28,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:58:28,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:58:28,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:58:28,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:58:29,017 INFO L217 Elim1Store]: Index analysis took 114 ms [2022-11-23 13:58:29,055 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 193 select indices, 193 select index equivalence classes, 16855 disjoint index pairs (out of 18528 index pairs), introduced 193 new quantified variables, introduced 0 case distinctions, treesize of input 1736 treesize of output 580 [2022-11-23 13:58:29,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:58:29,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:58:29,905 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 199 select indices, 199 select index equivalence classes, 19701 disjoint index pairs (out of 19701 index pairs), introduced 199 new quantified variables, introduced 0 case distinctions, treesize of input 996 treesize of output 598 [2022-11-23 13:58:30,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:58:30,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:58:30,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:58:30,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:58:30,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:58:30,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:58:30,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:58:30,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:58:30,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:58:30,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:58:30,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:58:30,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:58:30,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:58:30,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:58:30,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:58:30,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:58:30,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:58:30,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:58:30,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:58:30,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:58:30,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:58:30,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:58:30,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:58:30,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:58:30,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:58:30,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:58:30,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:58:30,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:58:30,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:58:30,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:58:30,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:58:30,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:58:30,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:58:30,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:58:30,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:58:30,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:58:30,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:58:30,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:58:30,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:58:30,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:58:30,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:58:30,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:58:30,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:58:30,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:58:30,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:58:30,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:58:30,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:58:30,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:58:30,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:58:30,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:58:30,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:58:30,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:58:30,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:58:30,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:58:30,889 INFO L217 Elim1Store]: Index analysis took 126 ms [2022-11-23 13:58:30,896 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 55 select indices, 55 select index equivalence classes, 1244 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 [2022-11-23 13:58:31,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:58:31,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:58:31,576 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 [2022-11-23 13:58:47,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:58:47,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:58:47,844 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 [2022-11-23 13:58:48,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:58:48,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:58:48,509 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 199 select indices, 199 select index equivalence classes, 19701 disjoint index pairs (out of 19701 index pairs), introduced 199 new quantified variables, introduced 0 case distinctions, treesize of input 996 treesize of output 598 [2022-11-23 13:58:49,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:58:49,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:58:49,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:58:49,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:58:49,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:58:49,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:58:49,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:58:49,342 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 193 select indices, 193 select index equivalence classes, 16855 disjoint index pairs (out of 18528 index pairs), introduced 193 new quantified variables, introduced 0 case distinctions, treesize of input 1736 treesize of output 580 [2022-11-23 13:58:49,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:58:49,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:58:49,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:58:49,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:58:49,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:58:49,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:58:49,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:58:49,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:58:49,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:58:49,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:58:49,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:58:49,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:58:49,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:58:49,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:58:49,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:58:49,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:58:49,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:58:49,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:58:49,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:58:49,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:58:49,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:58:49,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:58:49,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:58:49,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:58:49,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:58:49,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:58:49,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:58:49,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:58:49,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:58:49,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:58:49,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:58:49,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:58:49,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:58:49,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:58:49,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:58:50,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:58:50,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:58:50,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:58:50,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:58:50,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:58:50,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:58:50,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:58:50,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:58:50,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:58:50,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:58:50,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:58:50,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:58:50,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:58:50,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:58:50,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:58:50,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:58:50,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:58:50,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:58:50,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:58:50,040 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 55 select indices, 55 select index equivalence classes, 1244 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 [2022-11-23 13:58:50,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:58:50,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:58:50,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:58:50,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:58:50,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:58:50,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:58:50,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:58:50,618 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 193 select indices, 193 select index equivalence classes, 16855 disjoint index pairs (out of 18528 index pairs), introduced 193 new quantified variables, introduced 0 case distinctions, treesize of input 1736 treesize of output 580 [2022-11-23 13:58:54,028 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 [2022-11-23 13:58:54,034 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 [2022-11-23 13:58:54,062 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 [2022-11-23 13:58:54,067 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 [2022-11-23 13:58:54,109 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 [2022-11-23 13:58:54,119 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 [2022-11-23 13:58:54,126 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 [2022-11-23 13:58:54,138 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 [2022-11-23 13:58:54,328 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 [2022-11-23 13:58:54,369 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-23 13:58:54,370 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 [2022-11-23 13:58:54,383 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 [2022-11-23 13:58:54,466 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 [2022-11-23 13:58:54,495 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-23 13:58:54,498 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 [2022-11-23 13:58:54,511 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 [2022-11-23 13:58:54,736 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 [2022-11-23 13:58:56,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:58:56,430 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 198 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 [2022-11-23 13:58:56,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:58:56,524 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 198 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 [2022-11-23 13:58:58,366 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 198 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 [2022-11-23 13:59:00,986 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 198 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 [2022-11-23 13:59:01,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:59:01,096 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 198 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 [2022-11-23 13:59:01,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:59:01,171 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 198 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 [2022-11-23 13:59:04,893 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 181 treesize of output 145 [2022-11-23 13:59:04,932 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 181 treesize of output 145 [2022-11-23 13:59:05,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:59:05,016 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 30 [2022-11-23 13:59:05,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:59:05,025 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 24 [2022-11-23 13:59:05,157 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2022-11-23 13:59:05,355 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2022-11-23 13:59:05,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:59:05,369 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 30 [2022-11-23 13:59:05,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:59:05,378 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 24 [2022-11-23 13:59:05,883 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 13:59:05,885 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 13:59:05,886 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 13:59:05,895 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-23 13:59:05,895 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 65 treesize of output 29 [2022-11-23 13:59:05,911 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 13:59:05,912 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 48 [2022-11-23 13:59:05,923 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 13:59:05,924 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 36 [2022-11-23 13:59:06,309 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 13:59:06,311 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 13:59:06,312 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 13:59:06,321 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-23 13:59:06,322 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 65 treesize of output 29 [2022-11-23 13:59:06,338 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 13:59:06,339 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 48 [2022-11-23 13:59:06,354 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 13:59:06,355 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 36 [2022-11-23 13:59:07,104 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 [2022-11-23 13:59:07,116 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 [2022-11-23 13:59:07,206 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 [2022-11-23 13:59:07,219 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2022-11-23 13:59:07,231 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 [2022-11-23 13:59:07,324 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 [2022-11-23 13:59:07,341 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2022-11-23 13:59:07,353 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 [2022-11-23 13:59:46,242 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 43 for LOIs [2022-11-23 13:59:46,250 INFO L197 IcfgInterpreter]: Interpreting procedure aws_array_list_is_valid with input of size 76 for LOIs [2022-11-23 13:59:46,305 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 [2022-11-23 13:59:46,317 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 [2022-11-23 13:59:46,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:59:46,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:59:46,492 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-23 13:59:46,492 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 [2022-11-23 13:59:46,516 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 [2022-11-23 13:59:46,534 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 [2022-11-23 13:59:46,671 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 [2022-11-23 13:59:46,702 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 [2022-11-23 13:59:46,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:59:46,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:59:46,736 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-23 13:59:46,736 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 [2022-11-23 13:59:46,947 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 [2022-11-23 13:59:47,077 INFO L197 IcfgInterpreter]: Interpreting procedure aws_array_list_is_bounded with input of size 3261 for LOIs [2022-11-23 14:00:04,529 INFO L197 IcfgInterpreter]: Interpreting procedure aws_mul_size_checked with input of size 47 for LOIs [2022-11-23 14:00:04,653 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 [2022-11-23 14:00:04,663 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 [2022-11-23 14:00:04,673 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 [2022-11-23 14:00:04,686 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 [2022-11-23 14:00:05,039 INFO L197 IcfgInterpreter]: Interpreting procedure __CPROVER_overflow_mult with input of size 49 for LOIs [2022-11-23 14:00:05,052 INFO L197 IcfgInterpreter]: Interpreting procedure aws_raise_error with input of size 62 for LOIs [2022-11-23 14:00:05,067 INFO L197 IcfgInterpreter]: Interpreting procedure ensure_array_list_has_allocated_data_member with input of size 3325 for LOIs [2022-11-23 14:02:15,394 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 [2022-11-23 14:02:15,407 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 11 treesize of output 7 [2022-11-23 14:02:15,420 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-23 14:02:15,447 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 [2022-11-23 14:02:46,435 INFO L197 IcfgInterpreter]: Interpreting procedure can_fail_allocator with input of size 70 for LOIs [2022-11-23 14:02:46,445 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 70 for LOIs [2022-11-23 14:02:46,454 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-23 14:05:32,159 WARN L233 SmtUtils]: Spent 2.68m on a formula simplification. DAG size of input: 3210 DAG size of output: 2442 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)