./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_priority_queue_s_sift_either_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e04fb08f Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6268c2d4-3e83-4bb4-9be4-2d393d4c361f/bin/utaipan-Xvt2sAort0/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6268c2d4-3e83-4bb4-9be4-2d393d4c361f/bin/utaipan-Xvt2sAort0/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6268c2d4-3e83-4bb4-9be4-2d393d4c361f/bin/utaipan-Xvt2sAort0/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6268c2d4-3e83-4bb4-9be4-2d393d4c361f/bin/utaipan-Xvt2sAort0/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_priority_queue_s_sift_either_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6268c2d4-3e83-4bb4-9be4-2d393d4c361f/bin/utaipan-Xvt2sAort0/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6268c2d4-3e83-4bb4-9be4-2d393d4c361f/bin/utaipan-Xvt2sAort0 --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 355537246d5dfb9690a92cc5d0cbf014736bcc62122f38f5559ea0fbf5331d1c --- 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-e04fb08 [2022-11-16 19:28:42,455 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 19:28:42,457 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 19:28:42,485 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 19:28:42,485 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 19:28:42,490 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 19:28:42,492 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 19:28:42,502 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 19:28:42,505 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 19:28:42,507 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 19:28:42,508 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 19:28:42,509 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 19:28:42,509 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 19:28:42,510 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 19:28:42,511 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 19:28:42,512 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 19:28:42,513 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 19:28:42,513 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 19:28:42,520 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 19:28:42,529 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 19:28:42,531 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 19:28:42,534 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 19:28:42,535 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 19:28:42,536 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 19:28:42,539 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 19:28:42,540 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 19:28:42,540 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 19:28:42,541 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 19:28:42,541 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 19:28:42,542 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 19:28:42,550 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 19:28:42,551 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 19:28:42,553 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 19:28:42,555 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 19:28:42,556 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 19:28:42,556 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 19:28:42,557 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 19:28:42,557 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 19:28:42,557 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 19:28:42,558 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 19:28:42,559 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 19:28:42,560 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6268c2d4-3e83-4bb4-9be4-2d393d4c361f/bin/utaipan-Xvt2sAort0/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-16 19:28:42,613 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 19:28:42,618 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 19:28:42,619 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 19:28:42,619 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 19:28:42,620 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 19:28:42,621 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 19:28:42,621 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-16 19:28:42,621 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-16 19:28:42,621 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-16 19:28:42,622 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-16 19:28:42,623 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-16 19:28:42,623 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-16 19:28:42,623 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-16 19:28:42,623 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-16 19:28:42,624 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-16 19:28:42,624 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-16 19:28:42,634 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-16 19:28:42,634 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-16 19:28:42,635 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 19:28:42,635 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 19:28:42,636 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 19:28:42,636 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 19:28:42,636 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 19:28:42,636 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 19:28:42,636 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 19:28:42,637 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 19:28:42,637 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 19:28:42,637 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 19:28:42,637 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 19:28:42,637 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 19:28:42,638 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 19:28:42,638 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-16 19:28:42,638 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 19:28:42,638 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 19:28:42,638 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-16 19:28:42,639 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 19:28:42,639 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 19:28:42,639 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-16 19:28:42,639 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_6268c2d4-3e83-4bb4-9be4-2d393d4c361f/bin/utaipan-Xvt2sAort0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6268c2d4-3e83-4bb4-9be4-2d393d4c361f/bin/utaipan-Xvt2sAort0 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 355537246d5dfb9690a92cc5d0cbf014736bcc62122f38f5559ea0fbf5331d1c [2022-11-16 19:28:42,906 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 19:28:42,943 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 19:28:42,948 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 19:28:42,949 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 19:28:42,950 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 19:28:42,951 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6268c2d4-3e83-4bb4-9be4-2d393d4c361f/bin/utaipan-Xvt2sAort0/../../sv-benchmarks/c/aws-c-common/aws_priority_queue_s_sift_either_harness.i [2022-11-16 19:28:43,026 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6268c2d4-3e83-4bb4-9be4-2d393d4c361f/bin/utaipan-Xvt2sAort0/data/a51daf109/d317a4c1169c424fae2b9b81b4a27fd8/FLAGa6456b90e [2022-11-16 19:28:43,737 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 19:28:43,737 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6268c2d4-3e83-4bb4-9be4-2d393d4c361f/sv-benchmarks/c/aws-c-common/aws_priority_queue_s_sift_either_harness.i [2022-11-16 19:28:43,783 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6268c2d4-3e83-4bb4-9be4-2d393d4c361f/bin/utaipan-Xvt2sAort0/data/a51daf109/d317a4c1169c424fae2b9b81b4a27fd8/FLAGa6456b90e [2022-11-16 19:28:43,881 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6268c2d4-3e83-4bb4-9be4-2d393d4c361f/bin/utaipan-Xvt2sAort0/data/a51daf109/d317a4c1169c424fae2b9b81b4a27fd8 [2022-11-16 19:28:43,884 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 19:28:43,887 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 19:28:43,889 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 19:28:43,890 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 19:28:43,894 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 19:28:43,895 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 07:28:43" (1/1) ... [2022-11-16 19:28:43,896 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@290c908b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:28:43, skipping insertion in model container [2022-11-16 19:28:43,897 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 07:28:43" (1/1) ... [2022-11-16 19:28:43,905 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 19:28:44,021 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 19:28:44,301 WARN L229 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_6268c2d4-3e83-4bb4-9be4-2d393d4c361f/sv-benchmarks/c/aws-c-common/aws_priority_queue_s_sift_either_harness.i[4506,4519] [2022-11-16 19:28:44,308 WARN L229 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_6268c2d4-3e83-4bb4-9be4-2d393d4c361f/sv-benchmarks/c/aws-c-common/aws_priority_queue_s_sift_either_harness.i[4566,4579] [2022-11-16 19:28:45,388 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 19:28:45,389 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 19:28:45,390 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 19:28:45,391 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 19:28:45,392 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 19:28:45,405 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 19:28:45,406 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 19:28:45,408 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 19:28:45,409 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 19:28:45,411 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 19:28:45,412 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 19:28:45,413 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 19:28:45,414 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 19:28:45,847 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-16 19:28:45,849 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-16 19:28:45,850 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-16 19:28:45,851 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-16 19:28:45,853 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-16 19:28:45,854 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-16 19:28:45,854 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-16 19:28:45,855 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-16 19:28:45,856 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-16 19:28:45,857 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-16 19:28:46,025 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-16 19:28:46,050 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 19:28:46,051 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 19:28:46,057 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 19:28:46,068 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 19:28:46,201 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 19:28:46,202 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 19:28:46,203 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 19:28:46,203 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 19:28:46,203 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 19:28:46,204 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 19:28:46,204 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 19:28:46,205 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 19:28:46,206 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 19:28:46,206 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 19:28:46,206 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 19:28:46,208 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 19:28:46,209 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 19:28:46,214 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 19:28:46,214 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 19:28:46,215 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 19:28:46,216 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 19:28:46,221 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 19:28:46,222 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 19:28:46,231 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 19:28:46,232 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 19:28:46,232 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 19:28:46,249 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 19:28:46,295 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 19:28:46,330 WARN L229 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_6268c2d4-3e83-4bb4-9be4-2d393d4c361f/sv-benchmarks/c/aws-c-common/aws_priority_queue_s_sift_either_harness.i[4506,4519] [2022-11-16 19:28:46,332 WARN L229 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_6268c2d4-3e83-4bb4-9be4-2d393d4c361f/sv-benchmarks/c/aws-c-common/aws_priority_queue_s_sift_either_harness.i[4566,4579] [2022-11-16 19:28:46,405 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 19:28:46,406 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 19:28:46,406 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 19:28:46,407 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 19:28:46,407 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 19:28:46,425 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 19:28:46,426 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 19:28:46,427 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 19:28:46,427 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 19:28:46,429 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 19:28:46,430 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 19:28:46,431 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 19:28:46,431 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 19:28:46,500 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-16 19:28:46,501 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-16 19:28:46,503 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-16 19:28:46,503 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-16 19:28:46,505 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-16 19:28:46,505 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-16 19:28:46,506 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-16 19:28:46,506 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-16 19:28:46,507 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-16 19:28:46,507 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-16 19:28:46,547 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-16 19:28:46,572 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 19:28:46,573 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 19:28:46,575 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 19:28:46,584 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 19:28:46,636 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 19:28:46,638 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 19:28:46,638 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 19:28:46,643 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 19:28:46,643 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 19:28:46,644 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 19:28:46,644 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 19:28:46,645 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 19:28:46,645 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 19:28:46,645 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 19:28:46,646 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 19:28:46,646 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 19:28:46,646 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 19:28:46,647 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 19:28:46,647 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 19:28:46,648 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 19:28:46,648 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 19:28:46,650 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 19:28:46,650 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 19:28:46,658 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 19:28:46,660 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 19:28:46,660 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 19:28:46,674 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 19:28:46,937 INFO L208 MainTranslator]: Completed translation [2022-11-16 19:28:46,938 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:28:46 WrapperNode [2022-11-16 19:28:46,938 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 19:28:46,939 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 19:28:46,939 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 19:28:46,940 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 19:28:46,950 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:28:46" (1/1) ... [2022-11-16 19:28:47,044 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:28:46" (1/1) ... [2022-11-16 19:28:47,104 INFO L138 Inliner]: procedures = 697, calls = 1887, calls flagged for inlining = 60, calls inlined = 15, statements flattened = 919 [2022-11-16 19:28:47,104 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 19:28:47,105 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 19:28:47,105 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 19:28:47,105 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 19:28:47,123 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:28:46" (1/1) ... [2022-11-16 19:28:47,123 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:28:46" (1/1) ... [2022-11-16 19:28:47,146 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:28:46" (1/1) ... [2022-11-16 19:28:47,147 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:28:46" (1/1) ... [2022-11-16 19:28:47,202 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:28:46" (1/1) ... [2022-11-16 19:28:47,220 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:28:46" (1/1) ... [2022-11-16 19:28:47,243 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:28:46" (1/1) ... [2022-11-16 19:28:47,248 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:28:46" (1/1) ... [2022-11-16 19:28:47,257 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 19:28:47,270 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 19:28:47,270 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 19:28:47,270 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 19:28:47,271 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:28:46" (1/1) ... [2022-11-16 19:28:47,278 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 19:28:47,291 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6268c2d4-3e83-4bb4-9be4-2d393d4c361f/bin/utaipan-Xvt2sAort0/z3 [2022-11-16 19:28:47,306 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6268c2d4-3e83-4bb4-9be4-2d393d4c361f/bin/utaipan-Xvt2sAort0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 19:28:47,320 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6268c2d4-3e83-4bb4-9be4-2d393d4c361f/bin/utaipan-Xvt2sAort0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 19:28:47,358 INFO L130 BoogieDeclarations]: Found specification of procedure s_sift_either [2022-11-16 19:28:47,359 INFO L138 BoogieDeclarations]: Found implementation of procedure s_sift_either [2022-11-16 19:28:47,359 INFO L130 BoogieDeclarations]: Found specification of procedure s_swap [2022-11-16 19:28:47,359 INFO L138 BoogieDeclarations]: Found implementation of procedure s_swap [2022-11-16 19:28:47,359 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_mem_zeroed [2022-11-16 19:28:47,359 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_mem_zeroed [2022-11-16 19:28:47,359 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-16 19:28:47,360 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2022-11-16 19:28:47,361 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2022-11-16 19:28:47,363 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2022-11-16 19:28:47,364 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2022-11-16 19:28:47,364 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2022-11-16 19:28:47,364 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2022-11-16 19:28:47,364 INFO L130 BoogieDeclarations]: Found specification of procedure s_sift_up [2022-11-16 19:28:47,364 INFO L138 BoogieDeclarations]: Found implementation of procedure s_sift_up [2022-11-16 19:28:47,365 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-16 19:28:47,365 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2022-11-16 19:28:47,366 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2022-11-16 19:28:47,371 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-11-16 19:28:47,371 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-11-16 19:28:47,371 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-16 19:28:47,371 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 19:28:47,371 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-16 19:28:47,371 INFO L130 BoogieDeclarations]: Found specification of procedure my_abort [2022-11-16 19:28:47,371 INFO L138 BoogieDeclarations]: Found implementation of procedure my_abort [2022-11-16 19:28:47,372 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2022-11-16 19:28:47,372 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2022-11-16 19:28:47,372 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 19:28:47,372 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 19:28:47,372 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2022-11-16 19:28:47,372 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2022-11-16 19:28:47,372 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2022-11-16 19:28:47,372 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2022-11-16 19:28:47,372 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2022-11-16 19:28:47,373 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2022-11-16 19:28:47,373 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_is_valid [2022-11-16 19:28:47,373 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_is_valid [2022-11-16 19:28:47,373 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_length [2022-11-16 19:28:47,373 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_length [2022-11-16 19:28:47,373 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-16 19:28:47,373 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-16 19:28:47,373 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2022-11-16 19:28:47,373 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2022-11-16 19:28:47,374 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-16 19:28:47,374 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-16 19:28:47,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-16 19:28:47,374 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_get_at_ptr [2022-11-16 19:28:47,374 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_get_at_ptr [2022-11-16 19:28:47,374 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2022-11-16 19:28:47,374 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2022-11-16 19:28:47,374 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2022-11-16 19:28:47,375 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2022-11-16 19:28:47,375 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-16 19:28:47,375 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2022-11-16 19:28:47,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2022-11-16 19:28:47,375 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_backpointer_index_valid [2022-11-16 19:28:47,375 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_backpointer_index_valid [2022-11-16 19:28:47,375 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-16 19:28:47,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-16 19:28:47,376 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 19:28:47,862 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 19:28:47,870 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 19:28:49,366 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 19:28:49,642 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 19:28:49,642 INFO L300 CfgBuilder]: Removed 6 assume(true) statements. [2022-11-16 19:28:49,645 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 07:28:49 BoogieIcfgContainer [2022-11-16 19:28:49,646 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 19:28:49,648 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 19:28:49,648 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 19:28:49,652 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 19:28:49,652 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 07:28:43" (1/3) ... [2022-11-16 19:28:49,653 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e384951 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 07:28:49, skipping insertion in model container [2022-11-16 19:28:49,653 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:28:46" (2/3) ... [2022-11-16 19:28:49,654 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e384951 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 07:28:49, skipping insertion in model container [2022-11-16 19:28:49,654 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 07:28:49" (3/3) ... [2022-11-16 19:28:49,657 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_priority_queue_s_sift_either_harness.i [2022-11-16 19:28:49,676 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 19:28:49,676 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-16 19:28:49,746 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-16 19:28:49,752 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;@79c1941b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 19:28:49,752 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-16 19:28:49,758 INFO L276 IsEmpty]: Start isEmpty. Operand has 290 states, 150 states have (on average 1.2266666666666666) internal successors, (184), 153 states have internal predecessors, (184), 113 states have call successors, (113), 24 states have call predecessors, (113), 24 states have return successors, (113), 113 states have call predecessors, (113), 113 states have call successors, (113) [2022-11-16 19:28:49,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-11-16 19:28:49,771 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 19:28:49,772 INFO L195 NwaCegarLoop]: trace histogram [7, 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] [2022-11-16 19:28:49,773 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 19:28:49,778 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 19:28:49,778 INFO L85 PathProgramCache]: Analyzing trace with hash 1248765950, now seen corresponding path program 1 times [2022-11-16 19:28:49,788 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 19:28:49,789 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [474859327] [2022-11-16 19:28:49,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 19:28:49,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 19:28:50,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 19:28:50,926 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-11-16 19:28:50,926 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 19:28:50,927 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [474859327] [2022-11-16 19:28:50,927 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [474859327] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 19:28:50,928 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [481491249] [2022-11-16 19:28:50,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 19:28:50,928 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 19:28:50,929 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6268c2d4-3e83-4bb4-9be4-2d393d4c361f/bin/utaipan-Xvt2sAort0/z3 [2022-11-16 19:28:50,935 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6268c2d4-3e83-4bb4-9be4-2d393d4c361f/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 19:28:50,962 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6268c2d4-3e83-4bb4-9be4-2d393d4c361f/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-16 19:28:51,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 19:28:51,563 INFO L263 TraceCheckSpWp]: Trace formula consists of 2140 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-16 19:28:51,571 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 19:28:51,640 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2022-11-16 19:28:51,640 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 19:28:51,641 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [481491249] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 19:28:51,641 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-16 19:28:51,641 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2022-11-16 19:28:51,643 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1222045401] [2022-11-16 19:28:51,643 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 19:28:51,648 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 19:28:51,648 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 19:28:51,696 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 19:28:51,698 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-16 19:28:51,703 INFO L87 Difference]: Start difference. First operand has 290 states, 150 states have (on average 1.2266666666666666) internal successors, (184), 153 states have internal predecessors, (184), 113 states have call successors, (113), 24 states have call predecessors, (113), 24 states have return successors, (113), 113 states have call predecessors, (113), 113 states have call successors, (113) Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-11-16 19:28:52,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 19:28:52,126 INFO L93 Difference]: Finished difference Result 528 states and 786 transitions. [2022-11-16 19:28:52,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 19:28:52,131 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 80 [2022-11-16 19:28:52,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 19:28:52,146 INFO L225 Difference]: With dead ends: 528 [2022-11-16 19:28:52,146 INFO L226 Difference]: Without dead ends: 288 [2022-11-16 19:28:52,160 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-16 19:28:52,170 INFO L413 NwaCegarLoop]: 364 mSDtfsCounter, 0 mSDsluCounter, 359 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 723 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 86 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-16 19:28:52,171 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 723 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-16 19:28:52,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 288 states. [2022-11-16 19:28:52,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 288 to 288. [2022-11-16 19:28:52,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 288 states, 150 states have (on average 1.2) internal successors, (180), 152 states have internal predecessors, (180), 113 states have call successors, (113), 24 states have call predecessors, (113), 23 states have return successors, (111), 111 states have call predecessors, (111), 111 states have call successors, (111) [2022-11-16 19:28:52,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 288 states and 404 transitions. [2022-11-16 19:28:52,271 INFO L78 Accepts]: Start accepts. Automaton has 288 states and 404 transitions. Word has length 80 [2022-11-16 19:28:52,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 19:28:52,273 INFO L495 AbstractCegarLoop]: Abstraction has 288 states and 404 transitions. [2022-11-16 19:28:52,274 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-11-16 19:28:52,279 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 404 transitions. [2022-11-16 19:28:52,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-11-16 19:28:52,285 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 19:28:52,286 INFO L195 NwaCegarLoop]: trace histogram [9, 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] [2022-11-16 19:28:52,307 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6268c2d4-3e83-4bb4-9be4-2d393d4c361f/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-16 19:28:52,507 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6268c2d4-3e83-4bb4-9be4-2d393d4c361f/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2022-11-16 19:28:52,507 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 19:28:52,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 19:28:52,508 INFO L85 PathProgramCache]: Analyzing trace with hash -1483620489, now seen corresponding path program 1 times [2022-11-16 19:28:52,508 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 19:28:52,508 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1864257623] [2022-11-16 19:28:52,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 19:28:52,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 19:28:52,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 19:28:53,074 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2022-11-16 19:28:53,076 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 19:28:53,076 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1864257623] [2022-11-16 19:28:53,076 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1864257623] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 19:28:53,076 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1277778042] [2022-11-16 19:28:53,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 19:28:53,077 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 19:28:53,077 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6268c2d4-3e83-4bb4-9be4-2d393d4c361f/bin/utaipan-Xvt2sAort0/z3 [2022-11-16 19:28:53,078 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6268c2d4-3e83-4bb4-9be4-2d393d4c361f/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 19:28:53,092 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6268c2d4-3e83-4bb4-9be4-2d393d4c361f/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-16 19:28:53,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 19:28:53,644 INFO L263 TraceCheckSpWp]: Trace formula consists of 2248 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-16 19:28:53,649 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 19:28:53,760 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-11-16 19:28:53,761 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 19:28:53,761 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1277778042] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 19:28:53,761 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-16 19:28:53,761 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 8 [2022-11-16 19:28:53,762 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1421262867] [2022-11-16 19:28:53,762 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 19:28:53,763 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-16 19:28:53,764 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 19:28:53,764 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-16 19:28:53,765 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-11-16 19:28:53,765 INFO L87 Difference]: Start difference. First operand 288 states and 404 transitions. Second operand has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 3 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2022-11-16 19:28:54,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 19:28:54,601 INFO L93 Difference]: Finished difference Result 548 states and 779 transitions. [2022-11-16 19:28:54,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 19:28:54,603 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 3 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) Word has length 95 [2022-11-16 19:28:54,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 19:28:54,607 INFO L225 Difference]: With dead ends: 548 [2022-11-16 19:28:54,607 INFO L226 Difference]: Without dead ends: 290 [2022-11-16 19:28:54,609 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2022-11-16 19:28:54,610 INFO L413 NwaCegarLoop]: 345 mSDtfsCounter, 31 mSDsluCounter, 968 mSDsCounter, 0 mSdLazyCounter, 246 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 1313 SdHoareTripleChecker+Invalid, 247 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 246 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-11-16 19:28:54,611 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 1313 Invalid, 247 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 246 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-11-16 19:28:54,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 290 states. [2022-11-16 19:28:54,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 290 to 290. [2022-11-16 19:28:54,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 290 states, 151 states have (on average 1.1986754966887416) internal successors, (181), 154 states have internal predecessors, (181), 113 states have call successors, (113), 24 states have call predecessors, (113), 24 states have return successors, (119), 111 states have call predecessors, (119), 111 states have call successors, (119) [2022-11-16 19:28:54,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 290 states and 413 transitions. [2022-11-16 19:28:54,656 INFO L78 Accepts]: Start accepts. Automaton has 290 states and 413 transitions. Word has length 95 [2022-11-16 19:28:54,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 19:28:54,658 INFO L495 AbstractCegarLoop]: Abstraction has 290 states and 413 transitions. [2022-11-16 19:28:54,658 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 3 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2022-11-16 19:28:54,658 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 413 transitions. [2022-11-16 19:28:54,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2022-11-16 19:28:54,669 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 19:28:54,669 INFO L195 NwaCegarLoop]: trace histogram [9, 4, 4, 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] [2022-11-16 19:28:54,688 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6268c2d4-3e83-4bb4-9be4-2d393d4c361f/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-16 19:28:54,879 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6268c2d4-3e83-4bb4-9be4-2d393d4c361f/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 19:28:54,879 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 19:28:54,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 19:28:54,880 INFO L85 PathProgramCache]: Analyzing trace with hash 1504890902, now seen corresponding path program 1 times [2022-11-16 19:28:54,880 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 19:28:54,880 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1366679978] [2022-11-16 19:28:54,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 19:28:54,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 19:28:54,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 19:28:55,648 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2022-11-16 19:28:55,650 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 19:28:55,654 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1366679978] [2022-11-16 19:28:55,655 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1366679978] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 19:28:55,655 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [966378478] [2022-11-16 19:28:55,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 19:28:55,656 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 19:28:55,656 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6268c2d4-3e83-4bb4-9be4-2d393d4c361f/bin/utaipan-Xvt2sAort0/z3 [2022-11-16 19:28:55,657 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6268c2d4-3e83-4bb4-9be4-2d393d4c361f/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 19:28:55,663 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6268c2d4-3e83-4bb4-9be4-2d393d4c361f/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-16 19:28:56,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 19:28:56,226 INFO L263 TraceCheckSpWp]: Trace formula consists of 2298 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-16 19:28:56,231 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 19:28:56,344 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-11-16 19:28:56,345 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 19:28:56,345 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [966378478] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 19:28:56,345 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-16 19:28:56,345 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [8] total 13 [2022-11-16 19:28:56,346 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1781988466] [2022-11-16 19:28:56,346 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 19:28:56,346 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-16 19:28:56,347 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 19:28:56,347 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-16 19:28:56,347 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2022-11-16 19:28:56,348 INFO L87 Difference]: Start difference. First operand 290 states and 413 transitions. Second operand has 7 states, 7 states have (on average 5.714285714285714) internal successors, (40), 7 states have internal predecessors, (40), 4 states have call successors, (21), 2 states have call predecessors, (21), 4 states have return successors, (18), 4 states have call predecessors, (18), 4 states have call successors, (18) [2022-11-16 19:28:57,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 19:28:57,621 INFO L93 Difference]: Finished difference Result 563 states and 822 transitions. [2022-11-16 19:28:57,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-16 19:28:57,622 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.714285714285714) internal successors, (40), 7 states have internal predecessors, (40), 4 states have call successors, (21), 2 states have call predecessors, (21), 4 states have return successors, (18), 4 states have call predecessors, (18), 4 states have call successors, (18) Word has length 103 [2022-11-16 19:28:57,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 19:28:57,625 INFO L225 Difference]: With dead ends: 563 [2022-11-16 19:28:57,626 INFO L226 Difference]: Without dead ends: 303 [2022-11-16 19:28:57,627 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=172, Unknown=0, NotChecked=0, Total=210 [2022-11-16 19:28:57,628 INFO L413 NwaCegarLoop]: 340 mSDtfsCounter, 44 mSDsluCounter, 1594 mSDsCounter, 0 mSdLazyCounter, 511 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 1934 SdHoareTripleChecker+Invalid, 518 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 511 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-11-16 19:28:57,629 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 1934 Invalid, 518 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 511 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-11-16 19:28:57,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 303 states. [2022-11-16 19:28:57,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 303 to 301. [2022-11-16 19:28:57,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 301 states, 159 states have (on average 1.20125786163522) internal successors, (191), 162 states have internal predecessors, (191), 115 states have call successors, (115), 24 states have call predecessors, (115), 25 states have return successors, (132), 114 states have call predecessors, (132), 113 states have call successors, (132) [2022-11-16 19:28:57,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 301 states and 438 transitions. [2022-11-16 19:28:57,659 INFO L78 Accepts]: Start accepts. Automaton has 301 states and 438 transitions. Word has length 103 [2022-11-16 19:28:57,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 19:28:57,660 INFO L495 AbstractCegarLoop]: Abstraction has 301 states and 438 transitions. [2022-11-16 19:28:57,660 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.714285714285714) internal successors, (40), 7 states have internal predecessors, (40), 4 states have call successors, (21), 2 states have call predecessors, (21), 4 states have return successors, (18), 4 states have call predecessors, (18), 4 states have call successors, (18) [2022-11-16 19:28:57,661 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 438 transitions. [2022-11-16 19:28:57,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-11-16 19:28:57,663 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 19:28:57,664 INFO L195 NwaCegarLoop]: trace histogram [9, 4, 4, 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, 1, 1, 1, 1, 1, 1] [2022-11-16 19:28:57,684 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6268c2d4-3e83-4bb4-9be4-2d393d4c361f/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-11-16 19:28:57,878 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6268c2d4-3e83-4bb4-9be4-2d393d4c361f/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 19:28:57,879 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 19:28:57,879 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 19:28:57,880 INFO L85 PathProgramCache]: Analyzing trace with hash 1295881075, now seen corresponding path program 1 times [2022-11-16 19:28:57,880 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 19:28:57,880 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [733779366] [2022-11-16 19:28:57,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 19:28:57,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 19:28:57,976 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-16 19:28:57,977 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1480589327] [2022-11-16 19:28:57,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 19:28:57,977 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 19:28:57,977 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6268c2d4-3e83-4bb4-9be4-2d393d4c361f/bin/utaipan-Xvt2sAort0/z3 [2022-11-16 19:28:57,979 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6268c2d4-3e83-4bb4-9be4-2d393d4c361f/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 19:28:57,991 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6268c2d4-3e83-4bb4-9be4-2d393d4c361f/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-16 19:28:58,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 19:28:58,607 INFO L263 TraceCheckSpWp]: Trace formula consists of 2430 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-16 19:28:58,612 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 19:28:58,702 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-11-16 19:28:58,702 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 19:28:58,702 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 19:28:58,702 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [733779366] [2022-11-16 19:28:58,703 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-16 19:28:58,703 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1480589327] [2022-11-16 19:28:58,703 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1480589327] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 19:28:58,703 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 19:28:58,704 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-16 19:28:58,704 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1276687728] [2022-11-16 19:28:58,704 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 19:28:58,705 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 19:28:58,705 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 19:28:58,705 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 19:28:58,706 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-16 19:28:58,706 INFO L87 Difference]: Start difference. First operand 301 states and 438 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, (23), 2 states have call predecessors, (23), 3 states have return successors, (20), 4 states have call predecessors, (20), 4 states have call successors, (20) [2022-11-16 19:28:59,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 19:28:59,482 INFO L93 Difference]: Finished difference Result 580 states and 867 transitions. [2022-11-16 19:28:59,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-16 19:28:59,483 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, (23), 2 states have call predecessors, (23), 3 states have return successors, (20), 4 states have call predecessors, (20), 4 states have call successors, (20) Word has length 112 [2022-11-16 19:28:59,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 19:28:59,486 INFO L225 Difference]: With dead ends: 580 [2022-11-16 19:28:59,486 INFO L226 Difference]: Without dead ends: 309 [2022-11-16 19:28:59,488 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2022-11-16 19:28:59,489 INFO L413 NwaCegarLoop]: 344 mSDtfsCounter, 42 mSDsluCounter, 1279 mSDsCounter, 0 mSdLazyCounter, 369 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 1623 SdHoareTripleChecker+Invalid, 375 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 369 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-11-16 19:28:59,490 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 1623 Invalid, 375 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 369 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-11-16 19:28:59,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 309 states. [2022-11-16 19:28:59,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 309 to 301. [2022-11-16 19:28:59,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 301 states, 159 states have (on average 1.20125786163522) internal successors, (191), 162 states have internal predecessors, (191), 115 states have call successors, (115), 24 states have call predecessors, (115), 25 states have return successors, (132), 114 states have call predecessors, (132), 113 states have call successors, (132) [2022-11-16 19:28:59,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 301 states and 438 transitions. [2022-11-16 19:28:59,538 INFO L78 Accepts]: Start accepts. Automaton has 301 states and 438 transitions. Word has length 112 [2022-11-16 19:28:59,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 19:28:59,541 INFO L495 AbstractCegarLoop]: Abstraction has 301 states and 438 transitions. [2022-11-16 19:28:59,541 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, (23), 2 states have call predecessors, (23), 3 states have return successors, (20), 4 states have call predecessors, (20), 4 states have call successors, (20) [2022-11-16 19:28:59,542 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 438 transitions. [2022-11-16 19:28:59,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2022-11-16 19:28:59,546 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 19:28:59,547 INFO L195 NwaCegarLoop]: trace histogram [9, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 19:28:59,563 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6268c2d4-3e83-4bb4-9be4-2d393d4c361f/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-16 19:28:59,758 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6268c2d4-3e83-4bb4-9be4-2d393d4c361f/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 19:28:59,758 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 19:28:59,759 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 19:28:59,759 INFO L85 PathProgramCache]: Analyzing trace with hash 1631024648, now seen corresponding path program 1 times [2022-11-16 19:28:59,759 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 19:28:59,759 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2143244148] [2022-11-16 19:28:59,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 19:28:59,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 19:28:59,837 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-16 19:28:59,837 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [312736701] [2022-11-16 19:28:59,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 19:28:59,838 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 19:28:59,838 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6268c2d4-3e83-4bb4-9be4-2d393d4c361f/bin/utaipan-Xvt2sAort0/z3 [2022-11-16 19:28:59,839 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6268c2d4-3e83-4bb4-9be4-2d393d4c361f/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 19:28:59,867 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6268c2d4-3e83-4bb4-9be4-2d393d4c361f/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-16 19:29:00,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 19:29:00,458 INFO L263 TraceCheckSpWp]: Trace formula consists of 2484 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-16 19:29:00,462 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 19:29:00,590 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2022-11-16 19:29:00,590 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 19:29:00,590 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 19:29:00,591 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2143244148] [2022-11-16 19:29:00,591 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-16 19:29:00,591 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [312736701] [2022-11-16 19:29:00,591 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [312736701] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 19:29:00,591 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 19:29:00,592 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-16 19:29:00,592 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [858776435] [2022-11-16 19:29:00,592 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 19:29:00,593 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-16 19:29:00,593 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 19:29:00,593 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-16 19:29:00,594 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-11-16 19:29:00,594 INFO L87 Difference]: Start difference. First operand 301 states and 438 transitions. Second operand has 8 states, 8 states have (on average 6.375) internal successors, (51), 8 states have internal predecessors, (51), 5 states have call successors, (24), 2 states have call predecessors, (24), 4 states have return successors, (21), 5 states have call predecessors, (21), 5 states have call successors, (21) [2022-11-16 19:29:01,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 19:29:01,988 INFO L93 Difference]: Finished difference Result 590 states and 881 transitions. [2022-11-16 19:29:01,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-16 19:29:01,989 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.375) internal successors, (51), 8 states have internal predecessors, (51), 5 states have call successors, (24), 2 states have call predecessors, (24), 4 states have return successors, (21), 5 states have call predecessors, (21), 5 states have call successors, (21) Word has length 120 [2022-11-16 19:29:01,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 19:29:01,992 INFO L225 Difference]: With dead ends: 590 [2022-11-16 19:29:01,992 INFO L226 Difference]: Without dead ends: 319 [2022-11-16 19:29:01,994 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2022-11-16 19:29:01,995 INFO L413 NwaCegarLoop]: 335 mSDtfsCounter, 54 mSDsluCounter, 1878 mSDsCounter, 0 mSdLazyCounter, 667 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 2213 SdHoareTripleChecker+Invalid, 677 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 667 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-11-16 19:29:01,996 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 2213 Invalid, 677 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 667 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-11-16 19:29:01,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 319 states. [2022-11-16 19:29:02,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 319 to 301. [2022-11-16 19:29:02,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 301 states, 159 states have (on average 1.20125786163522) internal successors, (191), 162 states have internal predecessors, (191), 115 states have call successors, (115), 24 states have call predecessors, (115), 25 states have return successors, (132), 114 states have call predecessors, (132), 113 states have call successors, (132) [2022-11-16 19:29:02,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 301 states and 438 transitions. [2022-11-16 19:29:02,019 INFO L78 Accepts]: Start accepts. Automaton has 301 states and 438 transitions. Word has length 120 [2022-11-16 19:29:02,019 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 19:29:02,019 INFO L495 AbstractCegarLoop]: Abstraction has 301 states and 438 transitions. [2022-11-16 19:29:02,020 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.375) internal successors, (51), 8 states have internal predecessors, (51), 5 states have call successors, (24), 2 states have call predecessors, (24), 4 states have return successors, (21), 5 states have call predecessors, (21), 5 states have call successors, (21) [2022-11-16 19:29:02,020 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 438 transitions. [2022-11-16 19:29:02,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-11-16 19:29:02,022 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 19:29:02,023 INFO L195 NwaCegarLoop]: trace histogram [9, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 19:29:02,039 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6268c2d4-3e83-4bb4-9be4-2d393d4c361f/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-11-16 19:29:02,233 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6268c2d4-3e83-4bb4-9be4-2d393d4c361f/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 19:29:02,233 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 19:29:02,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 19:29:02,234 INFO L85 PathProgramCache]: Analyzing trace with hash 856727737, now seen corresponding path program 1 times [2022-11-16 19:29:02,234 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 19:29:02,234 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [346265709] [2022-11-16 19:29:02,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 19:29:02,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 19:29:02,323 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-16 19:29:02,323 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [270800335] [2022-11-16 19:29:02,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 19:29:02,324 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 19:29:02,324 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6268c2d4-3e83-4bb4-9be4-2d393d4c361f/bin/utaipan-Xvt2sAort0/z3 [2022-11-16 19:29:02,325 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6268c2d4-3e83-4bb4-9be4-2d393d4c361f/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 19:29:02,343 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6268c2d4-3e83-4bb4-9be4-2d393d4c361f/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-16 19:29:03,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 19:29:03,040 INFO L263 TraceCheckSpWp]: Trace formula consists of 2616 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-16 19:29:03,045 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 19:29:03,137 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2022-11-16 19:29:03,137 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 19:29:03,138 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 19:29:03,138 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [346265709] [2022-11-16 19:29:03,138 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-16 19:29:03,138 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [270800335] [2022-11-16 19:29:03,138 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [270800335] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 19:29:03,139 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 19:29:03,139 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-16 19:29:03,139 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1641636573] [2022-11-16 19:29:03,139 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 19:29:03,140 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-16 19:29:03,140 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 19:29:03,141 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-16 19:29:03,141 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-16 19:29:03,141 INFO L87 Difference]: Start difference. First operand 301 states and 438 transitions. Second operand has 7 states, 6 states have (on average 8.5) internal successors, (51), 6 states have internal predecessors, (51), 4 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (21), 3 states have call predecessors, (21), 4 states have call successors, (21) [2022-11-16 19:29:03,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 19:29:03,970 INFO L93 Difference]: Finished difference Result 549 states and 812 transitions. [2022-11-16 19:29:03,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-16 19:29:03,971 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 8.5) internal successors, (51), 6 states have internal predecessors, (51), 4 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (21), 3 states have call predecessors, (21), 4 states have call successors, (21) Word has length 129 [2022-11-16 19:29:03,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 19:29:03,974 INFO L225 Difference]: With dead ends: 549 [2022-11-16 19:29:03,974 INFO L226 Difference]: Without dead ends: 303 [2022-11-16 19:29:03,976 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-11-16 19:29:03,977 INFO L413 NwaCegarLoop]: 341 mSDtfsCounter, 77 mSDsluCounter, 1560 mSDsCounter, 0 mSdLazyCounter, 377 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 1901 SdHoareTripleChecker+Invalid, 418 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 377 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-11-16 19:29:03,977 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [85 Valid, 1901 Invalid, 418 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 377 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-11-16 19:29:03,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 303 states. [2022-11-16 19:29:03,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 303 to 303. [2022-11-16 19:29:03,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 303 states, 160 states have (on average 1.2) internal successors, (192), 164 states have internal predecessors, (192), 115 states have call successors, (115), 24 states have call predecessors, (115), 26 states have return successors, (138), 114 states have call predecessors, (138), 113 states have call successors, (138) [2022-11-16 19:29:03,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 303 states and 445 transitions. [2022-11-16 19:29:03,997 INFO L78 Accepts]: Start accepts. Automaton has 303 states and 445 transitions. Word has length 129 [2022-11-16 19:29:03,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 19:29:03,998 INFO L495 AbstractCegarLoop]: Abstraction has 303 states and 445 transitions. [2022-11-16 19:29:03,999 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 8.5) internal successors, (51), 6 states have internal predecessors, (51), 4 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (21), 3 states have call predecessors, (21), 4 states have call successors, (21) [2022-11-16 19:29:03,999 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 445 transitions. [2022-11-16 19:29:04,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2022-11-16 19:29:04,001 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 19:29:04,002 INFO L195 NwaCegarLoop]: trace histogram [9, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 19:29:04,011 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6268c2d4-3e83-4bb4-9be4-2d393d4c361f/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-11-16 19:29:04,211 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6268c2d4-3e83-4bb4-9be4-2d393d4c361f/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 19:29:04,212 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 19:29:04,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 19:29:04,213 INFO L85 PathProgramCache]: Analyzing trace with hash -1921959463, now seen corresponding path program 1 times [2022-11-16 19:29:04,213 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 19:29:04,213 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [421045510] [2022-11-16 19:29:04,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 19:29:04,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 19:29:04,308 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-16 19:29:04,308 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1975159848] [2022-11-16 19:29:04,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 19:29:04,309 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 19:29:04,309 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6268c2d4-3e83-4bb4-9be4-2d393d4c361f/bin/utaipan-Xvt2sAort0/z3 [2022-11-16 19:29:04,310 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6268c2d4-3e83-4bb4-9be4-2d393d4c361f/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 19:29:04,335 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6268c2d4-3e83-4bb4-9be4-2d393d4c361f/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-11-16 19:29:05,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 19:29:05,028 INFO L263 TraceCheckSpWp]: Trace formula consists of 2798 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-16 19:29:05,034 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 19:29:05,182 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2022-11-16 19:29:05,182 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 19:29:05,182 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 19:29:05,182 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [421045510] [2022-11-16 19:29:05,182 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-16 19:29:05,183 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1975159848] [2022-11-16 19:29:05,183 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1975159848] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 19:29:05,183 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 19:29:05,183 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-16 19:29:05,183 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [26807834] [2022-11-16 19:29:05,184 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 19:29:05,184 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-16 19:29:05,184 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 19:29:05,185 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-16 19:29:05,185 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-11-16 19:29:05,185 INFO L87 Difference]: Start difference. First operand 303 states and 445 transitions. Second operand has 8 states, 7 states have (on average 7.714285714285714) internal successors, (54), 7 states have internal predecessors, (54), 5 states have call successors, (25), 3 states have call predecessors, (25), 3 states have return successors, (22), 4 states have call predecessors, (22), 5 states have call successors, (22) [2022-11-16 19:29:06,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 19:29:06,391 INFO L93 Difference]: Finished difference Result 554 states and 827 transitions. [2022-11-16 19:29:06,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-16 19:29:06,392 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 7.714285714285714) internal successors, (54), 7 states have internal predecessors, (54), 5 states have call successors, (25), 3 states have call predecessors, (25), 3 states have return successors, (22), 4 states have call predecessors, (22), 5 states have call successors, (22) Word has length 146 [2022-11-16 19:29:06,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 19:29:06,394 INFO L225 Difference]: With dead ends: 554 [2022-11-16 19:29:06,394 INFO L226 Difference]: Without dead ends: 306 [2022-11-16 19:29:06,396 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2022-11-16 19:29:06,397 INFO L413 NwaCegarLoop]: 340 mSDtfsCounter, 88 mSDsluCounter, 1860 mSDsCounter, 0 mSdLazyCounter, 511 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 93 SdHoareTripleChecker+Valid, 2200 SdHoareTripleChecker+Invalid, 557 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 511 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-11-16 19:29:06,397 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [93 Valid, 2200 Invalid, 557 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 511 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-11-16 19:29:06,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 306 states. [2022-11-16 19:29:06,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 306 to 304. [2022-11-16 19:29:06,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 304 states, 161 states have (on average 1.1987577639751552) internal successors, (193), 165 states have internal predecessors, (193), 115 states have call successors, (115), 24 states have call predecessors, (115), 26 states have return successors, (138), 114 states have call predecessors, (138), 113 states have call successors, (138) [2022-11-16 19:29:06,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 304 states and 446 transitions. [2022-11-16 19:29:06,418 INFO L78 Accepts]: Start accepts. Automaton has 304 states and 446 transitions. Word has length 146 [2022-11-16 19:29:06,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 19:29:06,418 INFO L495 AbstractCegarLoop]: Abstraction has 304 states and 446 transitions. [2022-11-16 19:29:06,419 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 7.714285714285714) internal successors, (54), 7 states have internal predecessors, (54), 5 states have call successors, (25), 3 states have call predecessors, (25), 3 states have return successors, (22), 4 states have call predecessors, (22), 5 states have call successors, (22) [2022-11-16 19:29:06,419 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 446 transitions. [2022-11-16 19:29:06,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2022-11-16 19:29:06,421 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 19:29:06,422 INFO L195 NwaCegarLoop]: trace histogram [9, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 19:29:06,440 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6268c2d4-3e83-4bb4-9be4-2d393d4c361f/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-11-16 19:29:06,633 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6268c2d4-3e83-4bb4-9be4-2d393d4c361f/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 19:29:06,634 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 19:29:06,634 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 19:29:06,634 INFO L85 PathProgramCache]: Analyzing trace with hash 603280494, now seen corresponding path program 2 times [2022-11-16 19:29:06,634 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 19:29:06,634 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1001637516] [2022-11-16 19:29:06,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 19:29:06,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 19:29:06,735 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-16 19:29:06,735 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1557402803] [2022-11-16 19:29:06,735 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-16 19:29:06,735 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 19:29:06,736 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6268c2d4-3e83-4bb4-9be4-2d393d4c361f/bin/utaipan-Xvt2sAort0/z3 [2022-11-16 19:29:06,743 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6268c2d4-3e83-4bb4-9be4-2d393d4c361f/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 19:29:06,759 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6268c2d4-3e83-4bb4-9be4-2d393d4c361f/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-11-16 19:29:07,757 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2022-11-16 19:29:07,757 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-16 19:29:07,765 INFO L263 TraceCheckSpWp]: Trace formula consists of 2064 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-16 19:29:07,775 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 19:29:07,908 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2022-11-16 19:29:07,909 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 19:29:07,909 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 19:29:07,909 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1001637516] [2022-11-16 19:29:07,909 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-16 19:29:07,910 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1557402803] [2022-11-16 19:29:07,910 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1557402803] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 19:29:07,910 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 19:29:07,910 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-16 19:29:07,910 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [568548072] [2022-11-16 19:29:07,911 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 19:29:07,911 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 19:29:07,911 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 19:29:07,912 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 19:29:07,912 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-16 19:29:07,912 INFO L87 Difference]: Start difference. First operand 304 states and 446 transitions. Second operand has 6 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 4 states have call successors, (24), 3 states have call predecessors, (24), 2 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2022-11-16 19:29:09,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 19:29:09,158 INFO L93 Difference]: Finished difference Result 558 states and 836 transitions. [2022-11-16 19:29:09,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-16 19:29:09,159 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 4 states have call successors, (24), 3 states have call predecessors, (24), 2 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) Word has length 154 [2022-11-16 19:29:09,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 19:29:09,162 INFO L225 Difference]: With dead ends: 558 [2022-11-16 19:29:09,163 INFO L226 Difference]: Without dead ends: 338 [2022-11-16 19:29:09,165 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 149 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-16 19:29:09,165 INFO L413 NwaCegarLoop]: 399 mSDtfsCounter, 53 mSDsluCounter, 1487 mSDsCounter, 0 mSdLazyCounter, 282 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 1886 SdHoareTripleChecker+Invalid, 302 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 282 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-11-16 19:29:09,166 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 1886 Invalid, 302 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 282 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-11-16 19:29:09,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 338 states. [2022-11-16 19:29:09,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 338 to 305. [2022-11-16 19:29:09,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 305 states, 162 states have (on average 1.1975308641975309) internal successors, (194), 166 states have internal predecessors, (194), 115 states have call successors, (115), 24 states have call predecessors, (115), 26 states have return successors, (138), 114 states have call predecessors, (138), 113 states have call successors, (138) [2022-11-16 19:29:09,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 305 states and 447 transitions. [2022-11-16 19:29:09,194 INFO L78 Accepts]: Start accepts. Automaton has 305 states and 447 transitions. Word has length 154 [2022-11-16 19:29:09,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 19:29:09,195 INFO L495 AbstractCegarLoop]: Abstraction has 305 states and 447 transitions. [2022-11-16 19:29:09,195 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 4 states have call successors, (24), 3 states have call predecessors, (24), 2 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2022-11-16 19:29:09,195 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 447 transitions. [2022-11-16 19:29:09,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2022-11-16 19:29:09,198 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 19:29:09,199 INFO L195 NwaCegarLoop]: trace histogram [11, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 19:29:09,216 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6268c2d4-3e83-4bb4-9be4-2d393d4c361f/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-11-16 19:29:09,408 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6268c2d4-3e83-4bb4-9be4-2d393d4c361f/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2022-11-16 19:29:09,408 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 19:29:09,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 19:29:09,409 INFO L85 PathProgramCache]: Analyzing trace with hash -1997962447, now seen corresponding path program 1 times [2022-11-16 19:29:09,409 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 19:29:09,409 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1687045016] [2022-11-16 19:29:09,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 19:29:09,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 19:29:09,535 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-16 19:29:09,535 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1615983541] [2022-11-16 19:29:09,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 19:29:09,535 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 19:29:09,536 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6268c2d4-3e83-4bb4-9be4-2d393d4c361f/bin/utaipan-Xvt2sAort0/z3 [2022-11-16 19:29:09,537 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6268c2d4-3e83-4bb4-9be4-2d393d4c361f/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 19:29:09,549 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6268c2d4-3e83-4bb4-9be4-2d393d4c361f/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-11-16 19:29:10,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 19:29:10,311 INFO L263 TraceCheckSpWp]: Trace formula consists of 2889 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-16 19:29:10,317 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 19:29:10,471 INFO L134 CoverageAnalysis]: Checked inductivity of 229 backedges. 120 proven. 0 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2022-11-16 19:29:10,471 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 19:29:10,472 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 19:29:10,472 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1687045016] [2022-11-16 19:29:10,472 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-16 19:29:10,472 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1615983541] [2022-11-16 19:29:10,472 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1615983541] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 19:29:10,472 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 19:29:10,473 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-11-16 19:29:10,475 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1052369193] [2022-11-16 19:29:10,475 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 19:29:10,476 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-16 19:29:10,476 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 19:29:10,477 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-16 19:29:10,477 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2022-11-16 19:29:10,477 INFO L87 Difference]: Start difference. First operand 305 states and 447 transitions. Second operand has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 9 states have internal predecessors, (65), 6 states have call successors, (29), 3 states have call predecessors, (29), 4 states have return successors, (26), 5 states have call predecessors, (26), 6 states have call successors, (26) [2022-11-16 19:29:11,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 19:29:11,660 INFO L93 Difference]: Finished difference Result 565 states and 845 transitions. [2022-11-16 19:29:11,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-16 19:29:11,661 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 9 states have internal predecessors, (65), 6 states have call successors, (29), 3 states have call predecessors, (29), 4 states have return successors, (26), 5 states have call predecessors, (26), 6 states have call successors, (26) Word has length 167 [2022-11-16 19:29:11,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 19:29:11,664 INFO L225 Difference]: With dead ends: 565 [2022-11-16 19:29:11,664 INFO L226 Difference]: Without dead ends: 315 [2022-11-16 19:29:11,666 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 161 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2022-11-16 19:29:11,667 INFO L413 NwaCegarLoop]: 331 mSDtfsCounter, 100 mSDsluCounter, 2427 mSDsCounter, 0 mSdLazyCounter, 837 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 2758 SdHoareTripleChecker+Invalid, 883 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 837 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-11-16 19:29:11,667 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [106 Valid, 2758 Invalid, 883 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 837 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-11-16 19:29:11,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 315 states. [2022-11-16 19:29:11,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 315 to 310. [2022-11-16 19:29:11,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 310 states, 166 states have (on average 1.1987951807228916) internal successors, (199), 169 states have internal predecessors, (199), 116 states have call successors, (116), 24 states have call predecessors, (116), 26 states have return successors, (139), 116 states have call predecessors, (139), 114 states have call successors, (139) [2022-11-16 19:29:11,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 310 states and 454 transitions. [2022-11-16 19:29:11,690 INFO L78 Accepts]: Start accepts. Automaton has 310 states and 454 transitions. Word has length 167 [2022-11-16 19:29:11,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 19:29:11,691 INFO L495 AbstractCegarLoop]: Abstraction has 310 states and 454 transitions. [2022-11-16 19:29:11,691 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 9 states have internal predecessors, (65), 6 states have call successors, (29), 3 states have call predecessors, (29), 4 states have return successors, (26), 5 states have call predecessors, (26), 6 states have call successors, (26) [2022-11-16 19:29:11,691 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 454 transitions. [2022-11-16 19:29:11,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2022-11-16 19:29:11,694 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 19:29:11,694 INFO L195 NwaCegarLoop]: trace histogram [11, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 19:29:11,705 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6268c2d4-3e83-4bb4-9be4-2d393d4c361f/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-11-16 19:29:11,907 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6268c2d4-3e83-4bb4-9be4-2d393d4c361f/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 19:29:11,907 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 19:29:11,907 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 19:29:11,907 INFO L85 PathProgramCache]: Analyzing trace with hash 59482499, now seen corresponding path program 2 times [2022-11-16 19:29:11,908 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 19:29:11,908 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1843672905] [2022-11-16 19:29:11,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 19:29:11,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 19:29:12,016 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-16 19:29:12,016 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1191474858] [2022-11-16 19:29:12,016 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-16 19:29:12,016 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 19:29:12,017 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6268c2d4-3e83-4bb4-9be4-2d393d4c361f/bin/utaipan-Xvt2sAort0/z3 [2022-11-16 19:29:12,018 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6268c2d4-3e83-4bb4-9be4-2d393d4c361f/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 19:29:12,054 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6268c2d4-3e83-4bb4-9be4-2d393d4c361f/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-11-16 19:29:12,921 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2022-11-16 19:29:12,921 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-16 19:29:12,928 INFO L263 TraceCheckSpWp]: Trace formula consists of 1885 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-16 19:29:12,934 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 19:29:12,962 INFO L134 CoverageAnalysis]: Checked inductivity of 229 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 191 trivial. 0 not checked. [2022-11-16 19:29:12,962 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 19:29:12,962 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 19:29:12,963 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1843672905] [2022-11-16 19:29:12,963 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-16 19:29:12,963 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1191474858] [2022-11-16 19:29:12,963 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1191474858] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 19:29:12,963 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 19:29:12,964 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 19:29:12,965 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1491508955] [2022-11-16 19:29:12,965 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 19:29:12,965 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-16 19:29:12,965 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 19:29:12,966 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-16 19:29:12,966 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-16 19:29:12,966 INFO L87 Difference]: Start difference. First operand 310 states and 454 transitions. Second operand has 5 states, 3 states have (on average 18.0) internal successors, (54), 4 states have internal predecessors, (54), 3 states have call successors, (27), 2 states have call predecessors, (27), 4 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2022-11-16 19:29:13,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 19:29:13,646 INFO L93 Difference]: Finished difference Result 552 states and 826 transitions. [2022-11-16 19:29:13,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 19:29:13,647 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 3 states have (on average 18.0) internal successors, (54), 4 states have internal predecessors, (54), 3 states have call successors, (27), 2 states have call predecessors, (27), 4 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) Word has length 167 [2022-11-16 19:29:13,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 19:29:13,650 INFO L225 Difference]: With dead ends: 552 [2022-11-16 19:29:13,650 INFO L226 Difference]: Without dead ends: 310 [2022-11-16 19:29:13,652 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 163 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-16 19:29:13,652 INFO L413 NwaCegarLoop]: 335 mSDtfsCounter, 0 mSDsluCounter, 962 mSDsCounter, 0 mSdLazyCounter, 313 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1297 SdHoareTripleChecker+Invalid, 313 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 313 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-16 19:29:13,653 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1297 Invalid, 313 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 313 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-16 19:29:13,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 310 states. [2022-11-16 19:29:13,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 310 to 310. [2022-11-16 19:29:13,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 310 states, 166 states have (on average 1.1987951807228916) internal successors, (199), 169 states have internal predecessors, (199), 116 states have call successors, (116), 24 states have call predecessors, (116), 26 states have return successors, (138), 116 states have call predecessors, (138), 114 states have call successors, (138) [2022-11-16 19:29:13,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 310 states and 453 transitions. [2022-11-16 19:29:13,674 INFO L78 Accepts]: Start accepts. Automaton has 310 states and 453 transitions. Word has length 167 [2022-11-16 19:29:13,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 19:29:13,674 INFO L495 AbstractCegarLoop]: Abstraction has 310 states and 453 transitions. [2022-11-16 19:29:13,674 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 3 states have (on average 18.0) internal successors, (54), 4 states have internal predecessors, (54), 3 states have call successors, (27), 2 states have call predecessors, (27), 4 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2022-11-16 19:29:13,675 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 453 transitions. [2022-11-16 19:29:13,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2022-11-16 19:29:13,677 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 19:29:13,677 INFO L195 NwaCegarLoop]: trace histogram [11, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 19:29:13,691 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6268c2d4-3e83-4bb4-9be4-2d393d4c361f/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2022-11-16 19:29:13,891 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6268c2d4-3e83-4bb4-9be4-2d393d4c361f/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-11-16 19:29:13,892 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 19:29:13,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 19:29:13,892 INFO L85 PathProgramCache]: Analyzing trace with hash 1732117889, now seen corresponding path program 3 times [2022-11-16 19:29:13,892 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 19:29:13,893 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [674481128] [2022-11-16 19:29:13,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 19:29:13,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 19:29:13,997 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-16 19:29:13,997 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1948824625] [2022-11-16 19:29:13,998 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-11-16 19:29:13,998 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 19:29:13,998 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6268c2d4-3e83-4bb4-9be4-2d393d4c361f/bin/utaipan-Xvt2sAort0/z3 [2022-11-16 19:29:13,999 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6268c2d4-3e83-4bb4-9be4-2d393d4c361f/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 19:29:14,019 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6268c2d4-3e83-4bb4-9be4-2d393d4c361f/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-11-16 19:29:14,486 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-11-16 19:29:14,487 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-16 19:29:14,491 INFO L263 TraceCheckSpWp]: Trace formula consists of 866 conjuncts, 45 conjunts are in the unsatisfiable core [2022-11-16 19:29:14,498 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 19:29:14,771 INFO L134 CoverageAnalysis]: Checked inductivity of 292 backedges. 127 proven. 13 refuted. 0 times theorem prover too weak. 152 trivial. 0 not checked. [2022-11-16 19:29:14,772 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 19:29:15,255 INFO L134 CoverageAnalysis]: Checked inductivity of 292 backedges. 3 proven. 14 refuted. 0 times theorem prover too weak. 275 trivial. 0 not checked. [2022-11-16 19:29:15,256 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 19:29:15,256 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [674481128] [2022-11-16 19:29:15,256 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-16 19:29:15,256 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1948824625] [2022-11-16 19:29:15,257 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1948824625] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 19:29:15,257 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1511743634] [2022-11-16 19:29:15,286 INFO L159 IcfgInterpreter]: Started Sifa with 82 locations of interest [2022-11-16 19:29:15,286 INFO L166 IcfgInterpreter]: Building call graph [2022-11-16 19:29:15,290 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-16 19:29:15,295 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-16 19:29:15,295 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-16 19:29:18,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:29:18,716 INFO L217 Elim1Store]: Index analysis took 429 ms [2022-11-16 19:29:48,664 WARN L233 SmtUtils]: Spent 29.86s on a formula simplification. DAG size of input: 2161 DAG size of output: 1179 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-16 19:29:48,670 INFO L321 Elim1Store]: treesize reduction 3528, result has 33.3 percent of original size [2022-11-16 19:29:48,675 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 199 select indices, 199 select index equivalence classes, 19505 disjoint index pairs (out of 19701 index pairs), introduced 199 new quantified variables, introduced 392 case distinctions, treesize of input 1002 treesize of output 2377 [2022-11-16 19:29:52,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:29:52,442 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 197 select indices, 197 select index equivalence classes, 19504 disjoint index pairs (out of 19306 index pairs), introduced 197 new quantified variables, introduced 0 case distinctions, treesize of input 992 treesize of output 1582 [2022-11-16 19:31:14,054 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 [2022-11-16 19:31:14,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:31:14,060 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 [2022-11-16 19:31:14,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:31:14,067 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 [2022-11-16 19:31:14,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:31:14,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:31:14,078 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 [2022-11-16 19:31:17,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:31:17,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:31:17,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:31:17,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:31:17,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:31:17,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:31:17,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:31:17,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:31:17,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:31:17,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:31:17,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:31:17,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:31:17,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:31:17,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:31:17,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:31:17,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:31:17,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:31:17,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:31:17,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:31:17,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:31:17,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:31:17,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:31:17,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:31:17,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:31:17,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:31:17,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:31:17,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:31:17,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:31:17,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:31:17,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:31:17,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:31:17,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:31:17,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:31:17,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:31:17,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:31:17,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:31:17,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:31:17,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:31:17,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:31:17,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:31:17,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:31:17,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:31:17,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:31:17,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:31:17,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:31:17,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:31:17,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:31:17,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:31:17,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:31:17,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:31:17,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:31:17,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:31:17,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:31:17,345 INFO L217 Elim1Store]: Index analysis took 129 ms [2022-11-16 19:31:17,352 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 57 select indices, 57 select index equivalence classes, 1055 disjoint index pairs (out of 1596 index pairs), introduced 57 new quantified variables, introduced 0 case distinctions, treesize of input 588 treesize of output 260 [2022-11-16 19:31:17,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:31:17,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:31:17,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:31:17,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:31:17,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:31:17,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:31:17,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:31:18,006 INFO L217 Elim1Store]: Index analysis took 142 ms [2022-11-16 19:31:18,054 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 [2022-11-16 19:31:18,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:31:18,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:31:18,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:31:18,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:31:18,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:31:18,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:31:18,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:31:18,836 INFO L217 Elim1Store]: Index analysis took 146 ms [2022-11-16 19:31:18,880 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 [2022-11-16 19:31:19,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:31:19,458 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 198 select indices, 198 select index equivalence classes, 19504 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 [2022-11-16 19:31:19,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:31:20,037 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 [2022-11-16 19:31:28,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:31:28,128 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 198 select indices, 198 select index equivalence classes, 19504 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 [2022-11-16 19:31:28,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:31:28,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:31:28,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:31:28,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:31:28,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:31:28,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:31:28,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:31:28,896 INFO L217 Elim1Store]: Index analysis took 118 ms [2022-11-16 19:31:28,929 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 [2022-11-16 19:31:29,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:31:29,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:31:29,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:31:29,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:31:29,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:31:29,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:31:29,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:31:29,566 INFO L217 Elim1Store]: Index analysis took 114 ms [2022-11-16 19:31:29,599 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 [2022-11-16 19:31:30,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:31:30,079 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 [2022-11-16 19:31:30,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:31:30,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:31:30,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:31:30,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:31:30,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:31:30,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:31:30,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:31:30,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:31:30,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:31:30,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:31:30,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:31:30,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:31:30,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:31:30,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:31:30,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:31:30,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:31:30,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:31:30,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:31:30,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:31:30,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:31:30,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:31:30,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:31:30,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:31:30,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:31:30,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:31:30,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:31:30,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:31:30,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:31:30,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:31:30,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:31:30,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:31:30,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:31:30,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:31:30,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:31:30,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:31:30,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:31:30,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:31:30,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:31:30,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:31:30,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:31:30,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:31:30,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:31:30,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:31:30,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:31:30,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:31:30,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:31:30,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:31:30,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:31:30,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:31:30,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:31:30,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:31:30,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:31:30,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:31:30,478 INFO L217 Elim1Store]: Index analysis took 107 ms [2022-11-16 19:31:30,483 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 57 select indices, 57 select index equivalence classes, 1055 disjoint index pairs (out of 1596 index pairs), introduced 57 new quantified variables, introduced 0 case distinctions, treesize of input 588 treesize of output 260 [2022-11-16 19:31:47,261 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 42 treesize of output 30 [2022-11-16 19:31:47,315 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 36 treesize of output 24 [2022-11-16 19:31:47,421 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 [2022-11-16 19:31:47,696 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 42 treesize of output 30 [2022-11-16 19:31:47,744 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 36 treesize of output 24 [2022-11-16 19:31:47,858 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 [2022-11-16 19:32:03,565 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 [2022-11-16 19:32:03,718 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 42 treesize of output 30 [2022-11-16 19:32:03,781 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 36 treesize of output 24 [2022-11-16 19:32:04,107 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 [2022-11-16 19:32:04,242 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 42 treesize of output 30 [2022-11-16 19:32:04,300 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 36 treesize of output 24 [2022-11-16 19:32:07,576 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 [2022-11-16 19:32:07,689 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 2167 treesize of output 2157 [2022-11-16 19:32:08,210 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 2167 treesize of output 2157 [2022-11-16 19:32:08,484 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 2171 treesize of output 2150 [2022-11-16 19:32:24,989 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 [2022-11-16 19:32:24,995 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 [2022-11-16 19:32:25,024 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 [2022-11-16 19:32:25,028 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 [2022-11-16 19:32:25,059 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 [2022-11-16 19:32:25,065 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 [2022-11-16 19:32:25,070 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 [2022-11-16 19:32:25,078 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 [2022-11-16 19:32:25,117 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 [2022-11-16 19:32:25,123 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-16 19:32:25,153 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-16 19:32:25,154 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 [2022-11-16 19:32:25,198 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 [2022-11-16 19:32:25,223 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-16 19:32:25,224 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 [2022-11-16 19:32:25,236 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 [2022-11-16 19:32:25,293 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 [2022-11-16 19:32:25,401 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 23 [2022-11-16 19:32:25,404 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 19 [2022-11-16 19:32:25,417 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 23 [2022-11-16 19:32:25,421 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 19 [2022-11-16 19:32:27,517 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 2163 treesize of output 2135 [2022-11-16 19:32:27,876 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 2131 treesize of output 2107 [2022-11-16 19:32:27,984 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 2115 treesize of output 2087 [2022-11-16 19:32:45,912 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 2163 treesize of output 2135 [2022-11-16 19:32:46,205 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 2131 treesize of output 2107 [2022-11-16 19:32:46,343 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 2115 treesize of output 2087 [2022-11-16 19:35:30,578 INFO L197 IcfgInterpreter]: Interpreting procedure aws_array_list_is_bounded with input of size 2894 for LOIs [2022-11-16 19:35:43,503 INFO L197 IcfgInterpreter]: Interpreting procedure s_sift_either with input of size 673 for LOIs [2022-11-16 19:35:45,891 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 197 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 20 [2022-11-16 19:35:45,994 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 197 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-11-16 19:35:46,094 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 197 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-11-16 19:35:46,694 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 197 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 20 [2022-11-16 19:35:46,824 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 197 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-11-16 19:35:46,935 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 197 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-11-16 19:35:48,187 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 197 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-11-16 19:35:48,304 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 197 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-11-16 19:35:48,428 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 197 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 20 [2022-11-16 19:35:49,263 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 197 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 20 [2022-11-16 19:35:49,346 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 197 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-11-16 19:35:49,511 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 197 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-11-16 19:35:51,180 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 197 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 18 [2022-11-16 19:35:51,266 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 197 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2022-11-16 19:35:51,327 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 197 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2022-11-16 19:35:51,722 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 20 [2022-11-16 19:35:52,293 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 197 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-11-16 19:35:52,334 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 197 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-11-16 19:35:52,432 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 197 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 18 [2022-11-16 19:35:52,843 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 20 [2022-11-16 19:35:55,249 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1867 treesize of output 1855 [2022-11-16 19:35:55,430 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1855 treesize of output 1843 [2022-11-16 19:35:55,549 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1843 treesize of output 1831 [2022-11-16 19:35:59,403 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1867 treesize of output 1855 [2022-11-16 19:35:59,654 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1855 treesize of output 1843 [2022-11-16 19:35:59,751 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1843 treesize of output 1831 [2022-11-16 19:36:05,682 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1867 treesize of output 1855 [2022-11-16 19:36:05,853 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1855 treesize of output 1843 [2022-11-16 19:36:05,958 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1843 treesize of output 1831 [2022-11-16 19:36:13,442 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1867 treesize of output 1855 [2022-11-16 19:36:13,631 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1855 treesize of output 1843 [2022-11-16 19:36:13,736 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1843 treesize of output 1831 [2022-11-16 19:36:22,459 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1923 treesize of output 1911 [2022-11-16 19:36:22,627 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1911 treesize of output 1899 [2022-11-16 19:36:22,719 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1899 treesize of output 1887 [2022-11-16 19:36:24,952 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1867 treesize of output 1855 [2022-11-16 19:36:25,138 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1855 treesize of output 1843 [2022-11-16 19:36:25,227 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1843 treesize of output 1831 [2022-11-16 19:36:31,290 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1867 treesize of output 1855 [2022-11-16 19:36:31,459 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1855 treesize of output 1843 [2022-11-16 19:36:31,552 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1843 treesize of output 1831 [2022-11-16 19:36:32,984 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 197 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-11-16 19:36:33,027 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 197 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-11-16 19:36:33,109 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 197 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 18 [2022-11-16 19:36:33,844 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 197 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-11-16 19:36:33,956 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 197 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-11-16 19:36:34,062 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 197 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 20 [2022-11-16 19:36:34,843 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 197 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 20 [2022-11-16 19:36:34,961 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 197 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-11-16 19:36:35,064 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 197 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-11-16 19:36:35,802 INFO L197 IcfgInterpreter]: Interpreting procedure aws_array_list_length with input of size 664 for LOIs [2022-11-16 19:36:41,674 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2022-11-16 19:36:41,700 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2022-11-16 19:36:44,170 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 41 for LOIs [2022-11-16 19:36:44,179 INFO L197 IcfgInterpreter]: Interpreting procedure aws_priority_queue_is_valid with input of size 70 for LOIs [2022-11-16 19:36:44,248 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 23 [2022-11-16 19:36:44,255 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 19 [2022-11-16 19:36:44,311 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 23 [2022-11-16 19:36:44,319 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 19 [2022-11-16 19:36:44,976 INFO L197 IcfgInterpreter]: Interpreting procedure aws_array_list_is_valid with input of size 44 for LOIs [2022-11-16 19:36:44,995 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 [2022-11-16 19:36:45,006 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 [2022-11-16 19:36:45,066 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 [2022-11-16 19:36:45,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:45,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:45,087 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-16 19:36:45,088 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 [2022-11-16 19:36:45,097 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 [2022-11-16 19:36:45,147 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 [2022-11-16 19:36:45,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:45,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:36:45,163 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-16 19:36:45,164 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 10 [2022-11-16 19:36:45,172 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 [2022-11-16 19:36:45,332 INFO L321 Elim1Store]: treesize reduction 20, result has 57.4 percent of original size [2022-11-16 19:36:45,332 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 170 treesize of output 191 [2022-11-16 19:36:46,038 INFO L197 IcfgInterpreter]: Interpreting procedure aws_mul_size_checked with input of size 92 for LOIs [2022-11-16 19:36:46,296 INFO L197 IcfgInterpreter]: Interpreting procedure __CPROVER_overflow_mult with input of size 78 for LOIs [2022-11-16 19:36:46,316 INFO L197 IcfgInterpreter]: Interpreting procedure ensure_array_list_has_allocated_data_member with input of size 2965 for LOIs [2022-11-16 19:38:04,255 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 [2022-11-16 19:38:04,262 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 [2022-11-16 19:38:04,270 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 [2022-11-16 19:38:04,277 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 [2022-11-16 19:38:25,324 INFO L197 IcfgInterpreter]: Interpreting procedure can_fail_allocator with input of size 39 for LOIs [2022-11-16 19:38:25,326 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 64 for LOIs [2022-11-16 19:38:25,334 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-16 19:40:53,716 WARN L233 SmtUtils]: Spent 2.46m on a formula simplification. DAG size of input: 2827 DAG size of output: 2437 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)