./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 38b53e6a 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_14c4bb57-4b9e-40c9-a808-11f1abdc1696/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14c4bb57-4b9e-40c9-a808-11f1abdc1696/bin/utaipan-ByfvJB40ur/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14c4bb57-4b9e-40c9-a808-11f1abdc1696/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14c4bb57-4b9e-40c9-a808-11f1abdc1696/bin/utaipan-ByfvJB40ur/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_14c4bb57-4b9e-40c9-a808-11f1abdc1696/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14c4bb57-4b9e-40c9-a808-11f1abdc1696/bin/utaipan-ByfvJB40ur --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 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-38b53e6 [2022-11-26 00:15:42,540 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-26 00:15:42,542 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-26 00:15:42,562 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-26 00:15:42,580 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-26 00:15:42,581 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-26 00:15:42,582 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-26 00:15:42,584 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-26 00:15:42,586 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-26 00:15:42,587 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-26 00:15:42,588 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-26 00:15:42,589 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-26 00:15:42,589 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-26 00:15:42,590 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-26 00:15:42,591 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-26 00:15:42,593 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-26 00:15:42,594 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-26 00:15:42,595 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-26 00:15:42,596 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-26 00:15:42,598 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-26 00:15:42,600 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-26 00:15:42,601 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-26 00:15:42,603 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-26 00:15:42,604 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-26 00:15:42,607 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-26 00:15:42,608 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-26 00:15:42,608 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-26 00:15:42,609 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-26 00:15:42,610 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-26 00:15:42,611 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-26 00:15:42,611 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-26 00:15:42,612 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-26 00:15:42,613 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-26 00:15:42,614 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-26 00:15:42,615 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-26 00:15:42,615 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-26 00:15:42,616 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-26 00:15:42,616 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-26 00:15:42,617 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-26 00:15:42,617 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-26 00:15:42,618 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-26 00:15:42,623 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14c4bb57-4b9e-40c9-a808-11f1abdc1696/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-26 00:15:42,658 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-26 00:15:42,662 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-26 00:15:42,663 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-26 00:15:42,663 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-26 00:15:42,664 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-26 00:15:42,664 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-26 00:15:42,664 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-26 00:15:42,665 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-26 00:15:42,665 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-26 00:15:42,665 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-26 00:15:42,666 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-26 00:15:42,667 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-26 00:15:42,667 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-26 00:15:42,667 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-26 00:15:42,668 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-26 00:15:42,668 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-26 00:15:42,668 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-26 00:15:42,669 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-26 00:15:42,670 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-26 00:15:42,670 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-26 00:15:42,670 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-26 00:15:42,671 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-26 00:15:42,671 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-26 00:15:42,671 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-26 00:15:42,671 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-26 00:15:42,672 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-26 00:15:42,672 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-26 00:15:42,673 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-26 00:15:42,673 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-26 00:15:42,673 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 00:15:42,674 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-26 00:15:42,674 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-26 00:15:42,675 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-26 00:15:42,675 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-26 00:15:42,675 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-26 00:15:42,676 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-26 00:15:42,676 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-26 00:15:42,676 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-26 00:15:42,676 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_14c4bb57-4b9e-40c9-a808-11f1abdc1696/bin/utaipan-ByfvJB40ur/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14c4bb57-4b9e-40c9-a808-11f1abdc1696/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 355537246d5dfb9690a92cc5d0cbf014736bcc62122f38f5559ea0fbf5331d1c [2022-11-26 00:15:43,006 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-26 00:15:43,041 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-26 00:15:43,043 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-26 00:15:43,045 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-26 00:15:43,046 INFO L275 PluginConnector]: CDTParser initialized [2022-11-26 00:15:43,047 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14c4bb57-4b9e-40c9-a808-11f1abdc1696/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/aws-c-common/aws_priority_queue_s_sift_either_harness.i [2022-11-26 00:15:46,201 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-26 00:15:46,712 INFO L351 CDTParser]: Found 1 translation units. [2022-11-26 00:15:46,713 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14c4bb57-4b9e-40c9-a808-11f1abdc1696/sv-benchmarks/c/aws-c-common/aws_priority_queue_s_sift_either_harness.i [2022-11-26 00:15:46,752 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14c4bb57-4b9e-40c9-a808-11f1abdc1696/bin/utaipan-ByfvJB40ur/data/72d0c30fc/31d8836807704bfebd1c0603e2d60739/FLAGb8c3483e5 [2022-11-26 00:15:46,773 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14c4bb57-4b9e-40c9-a808-11f1abdc1696/bin/utaipan-ByfvJB40ur/data/72d0c30fc/31d8836807704bfebd1c0603e2d60739 [2022-11-26 00:15:46,777 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-26 00:15:46,779 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-26 00:15:46,784 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-26 00:15:46,784 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-26 00:15:46,788 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-26 00:15:46,789 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:15:46" (1/1) ... [2022-11-26 00:15:46,790 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a3c21b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:15:46, skipping insertion in model container [2022-11-26 00:15:46,791 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:15:46" (1/1) ... [2022-11-26 00:15:46,798 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-26 00:15:46,929 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-26 00:15:47,207 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14c4bb57-4b9e-40c9-a808-11f1abdc1696/sv-benchmarks/c/aws-c-common/aws_priority_queue_s_sift_either_harness.i[4506,4519] [2022-11-26 00:15:47,215 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14c4bb57-4b9e-40c9-a808-11f1abdc1696/sv-benchmarks/c/aws-c-common/aws_priority_queue_s_sift_either_harness.i[4566,4579] [2022-11-26 00:15:48,180 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-26 00:15:48,191 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:15:48,192 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:15:48,192 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:15:48,193 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:15:48,194 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:15:48,202 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-26 00:15:48,219 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:15:48,219 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-26 00:15:48,220 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:15:48,221 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:15:48,222 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:15:48,223 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:15:48,224 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-26 00:15:48,224 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:15:48,225 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:15:48,225 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:15:48,316 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-11-26 00:15:48,317 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-11-26 00:15:48,318 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-11-26 00:15:48,330 WARN L623 FunctionHandler]: Unknown extern function ntohl [2022-11-26 00:15:48,338 WARN L623 FunctionHandler]: Unknown extern function htons [2022-11-26 00:15:48,338 WARN L623 FunctionHandler]: Unknown extern function ntohs [2022-11-26 00:15:48,636 WARN L623 FunctionHandler]: Unknown extern function my_abort [2022-11-26 00:15:48,639 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-26 00:15:48,642 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-26 00:15:48,644 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-26 00:15:48,645 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-26 00:15:48,648 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-26 00:15:48,649 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-26 00:15:48,650 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-26 00:15:48,650 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-26 00:15:48,664 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-26 00:15:48,665 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-26 00:15:48,860 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-26 00:15:48,881 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:15:48,882 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:15:48,887 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:15:48,889 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-26 00:15:48,891 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-26 00:15:48,892 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-26 00:15:48,894 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:15:48,896 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-26 00:15:48,900 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-26 00:15:48,900 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-26 00:15:48,900 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-26 00:15:48,901 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-26 00:15:48,901 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-26 00:15:48,902 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-26 00:15:48,941 WARN L623 FunctionHandler]: Unknown extern function fprintf [2022-11-26 00:15:48,956 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:15:48,957 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:15:48,957 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:15:48,958 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:15:48,958 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:15:48,958 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:15:48,959 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:15:48,959 WARN L623 FunctionHandler]: Unknown extern function my_abort [2022-11-26 00:15:48,960 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:15:48,960 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:15:48,960 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:15:48,960 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:15:48,961 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:15:48,961 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:15:48,964 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:15:48,964 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:15:48,965 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:15:48,965 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:15:48,969 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:15:48,969 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:15:48,981 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:15:48,987 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:15:48,987 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:15:49,014 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 00:15:49,049 INFO L203 MainTranslator]: Completed pre-run [2022-11-26 00:15:49,078 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14c4bb57-4b9e-40c9-a808-11f1abdc1696/sv-benchmarks/c/aws-c-common/aws_priority_queue_s_sift_either_harness.i[4506,4519] [2022-11-26 00:15:49,079 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14c4bb57-4b9e-40c9-a808-11f1abdc1696/sv-benchmarks/c/aws-c-common/aws_priority_queue_s_sift_either_harness.i[4566,4579] [2022-11-26 00:15:49,112 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-26 00:15:49,114 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:15:49,114 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:15:49,115 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:15:49,115 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:15:49,116 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:15:49,117 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-26 00:15:49,122 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:15:49,122 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-26 00:15:49,123 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:15:49,124 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:15:49,124 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:15:49,125 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:15:49,125 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-26 00:15:49,126 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:15:49,126 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:15:49,126 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:15:49,133 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-11-26 00:15:49,134 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-11-26 00:15:49,134 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-11-26 00:15:49,138 WARN L623 FunctionHandler]: Unknown extern function ntohl [2022-11-26 00:15:49,139 WARN L623 FunctionHandler]: Unknown extern function htons [2022-11-26 00:15:49,139 WARN L623 FunctionHandler]: Unknown extern function ntohs [2022-11-26 00:15:49,159 WARN L623 FunctionHandler]: Unknown extern function my_abort [2022-11-26 00:15:49,160 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-26 00:15:49,161 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-26 00:15:49,162 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-26 00:15:49,163 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-26 00:15:49,164 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-26 00:15:49,164 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-26 00:15:49,165 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-26 00:15:49,165 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-26 00:15:49,166 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-26 00:15:49,166 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-26 00:15:49,202 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-26 00:15:49,222 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:15:49,223 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:15:49,225 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:15:49,226 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-26 00:15:49,228 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-26 00:15:49,229 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-26 00:15:49,231 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:15:49,232 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-26 00:15:49,233 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-26 00:15:49,234 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-26 00:15:49,234 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-26 00:15:49,235 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-26 00:15:49,236 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-26 00:15:49,236 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-26 00:15:49,267 WARN L623 FunctionHandler]: Unknown extern function fprintf [2022-11-26 00:15:49,271 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:15:49,272 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:15:49,272 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:15:49,272 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:15:49,273 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:15:49,273 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:15:49,273 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:15:49,274 WARN L623 FunctionHandler]: Unknown extern function my_abort [2022-11-26 00:15:49,274 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:15:49,274 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:15:49,275 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:15:49,275 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:15:49,275 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:15:49,275 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:15:49,276 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:15:49,277 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:15:49,278 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:15:49,278 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:15:49,280 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:15:49,281 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:15:49,285 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:15:49,286 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:15:49,286 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:15:49,305 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 00:15:49,566 INFO L208 MainTranslator]: Completed translation [2022-11-26 00:15:49,566 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:15:49 WrapperNode [2022-11-26 00:15:49,566 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-26 00:15:49,567 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-26 00:15:49,567 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-26 00:15:49,567 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-26 00:15:49,576 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:15:49" (1/1) ... [2022-11-26 00:15:49,695 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:15:49" (1/1) ... [2022-11-26 00:15:49,774 INFO L138 Inliner]: procedures = 697, calls = 1886, calls flagged for inlining = 60, calls inlined = 15, statements flattened = 918 [2022-11-26 00:15:49,789 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-26 00:15:49,789 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-26 00:15:49,790 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-26 00:15:49,790 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-26 00:15:49,800 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:15:49" (1/1) ... [2022-11-26 00:15:49,800 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:15:49" (1/1) ... [2022-11-26 00:15:49,812 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:15:49" (1/1) ... [2022-11-26 00:15:49,812 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:15:49" (1/1) ... [2022-11-26 00:15:49,848 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:15:49" (1/1) ... [2022-11-26 00:15:49,854 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:15:49" (1/1) ... [2022-11-26 00:15:49,862 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:15:49" (1/1) ... [2022-11-26 00:15:49,867 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:15:49" (1/1) ... [2022-11-26 00:15:49,877 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-26 00:15:49,877 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-26 00:15:49,878 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-26 00:15:49,878 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-26 00:15:49,879 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:15:49" (1/1) ... [2022-11-26 00:15:49,885 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 00:15:49,898 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14c4bb57-4b9e-40c9-a808-11f1abdc1696/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:15:49,911 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14c4bb57-4b9e-40c9-a808-11f1abdc1696/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-26 00:15:49,942 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14c4bb57-4b9e-40c9-a808-11f1abdc1696/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-26 00:15:49,961 INFO L130 BoogieDeclarations]: Found specification of procedure s_sift_either [2022-11-26 00:15:49,962 INFO L138 BoogieDeclarations]: Found implementation of procedure s_sift_either [2022-11-26 00:15:49,962 INFO L130 BoogieDeclarations]: Found specification of procedure s_swap [2022-11-26 00:15:49,962 INFO L138 BoogieDeclarations]: Found implementation of procedure s_swap [2022-11-26 00:15:49,962 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_mem_zeroed [2022-11-26 00:15:49,963 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_mem_zeroed [2022-11-26 00:15:49,963 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-26 00:15:49,963 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2022-11-26 00:15:49,964 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2022-11-26 00:15:49,964 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2022-11-26 00:15:49,964 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2022-11-26 00:15:49,965 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2022-11-26 00:15:49,965 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2022-11-26 00:15:49,965 INFO L130 BoogieDeclarations]: Found specification of procedure s_sift_up [2022-11-26 00:15:49,965 INFO L138 BoogieDeclarations]: Found implementation of procedure s_sift_up [2022-11-26 00:15:49,965 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-26 00:15:49,965 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2022-11-26 00:15:49,966 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2022-11-26 00:15:49,968 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-11-26 00:15:49,968 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-11-26 00:15:49,968 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-26 00:15:49,969 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-26 00:15:49,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-26 00:15:49,969 INFO L130 BoogieDeclarations]: Found specification of procedure my_abort [2022-11-26 00:15:49,969 INFO L138 BoogieDeclarations]: Found implementation of procedure my_abort [2022-11-26 00:15:49,969 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2022-11-26 00:15:49,969 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2022-11-26 00:15:49,970 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-26 00:15:49,970 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-26 00:15:49,970 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2022-11-26 00:15:49,970 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2022-11-26 00:15:49,970 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2022-11-26 00:15:49,971 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2022-11-26 00:15:49,971 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2022-11-26 00:15:49,971 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2022-11-26 00:15:49,971 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_is_valid [2022-11-26 00:15:49,971 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_is_valid [2022-11-26 00:15:49,971 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_length [2022-11-26 00:15:49,972 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_length [2022-11-26 00:15:49,972 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-26 00:15:49,972 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-26 00:15:49,972 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2022-11-26 00:15:49,973 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2022-11-26 00:15:49,973 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-26 00:15:49,973 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-26 00:15:49,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-26 00:15:49,974 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_get_at_ptr [2022-11-26 00:15:49,974 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_get_at_ptr [2022-11-26 00:15:49,974 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2022-11-26 00:15:49,974 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2022-11-26 00:15:49,974 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2022-11-26 00:15:49,975 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2022-11-26 00:15:49,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-26 00:15:49,975 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2022-11-26 00:15:49,975 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2022-11-26 00:15:49,975 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_backpointer_index_valid [2022-11-26 00:15:49,975 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_backpointer_index_valid [2022-11-26 00:15:49,976 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-26 00:15:49,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-26 00:15:49,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-26 00:15:50,399 INFO L235 CfgBuilder]: Building ICFG [2022-11-26 00:15:50,411 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-26 00:15:51,852 INFO L276 CfgBuilder]: Performing block encoding [2022-11-26 00:15:52,064 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-26 00:15:52,064 INFO L300 CfgBuilder]: Removed 6 assume(true) statements. [2022-11-26 00:15:52,067 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:15:52 BoogieIcfgContainer [2022-11-26 00:15:52,067 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-26 00:15:52,069 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-26 00:15:52,070 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-26 00:15:52,073 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-26 00:15:52,073 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 12:15:46" (1/3) ... [2022-11-26 00:15:52,074 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37a4255a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:15:52, skipping insertion in model container [2022-11-26 00:15:52,074 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:15:49" (2/3) ... [2022-11-26 00:15:52,074 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37a4255a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:15:52, skipping insertion in model container [2022-11-26 00:15:52,075 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:15:52" (3/3) ... [2022-11-26 00:15:52,079 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_priority_queue_s_sift_either_harness.i [2022-11-26 00:15:52,099 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-26 00:15:52,099 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-26 00:15:52,171 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-26 00:15:52,182 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;@5b87d674, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-26 00:15:52,182 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-26 00:15:52,190 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) [2022-11-26 00:15:52,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-11-26 00:15:52,206 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:15:52,207 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] [2022-11-26 00:15:52,208 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:15:52,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:15:52,215 INFO L85 PathProgramCache]: Analyzing trace with hash 1248765950, now seen corresponding path program 1 times [2022-11-26 00:15:52,225 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:15:52,226 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [637614471] [2022-11-26 00:15:52,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:15:52,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:15:52,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:15:53,386 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-11-26 00:15:53,387 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:15:53,388 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [637614471] [2022-11-26 00:15:53,390 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [637614471] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-26 00:15:53,391 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1193037006] [2022-11-26 00:15:53,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:15:53,392 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:15:53,398 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14c4bb57-4b9e-40c9-a808-11f1abdc1696/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:15:53,402 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14c4bb57-4b9e-40c9-a808-11f1abdc1696/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:15:53,425 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14c4bb57-4b9e-40c9-a808-11f1abdc1696/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-26 00:15:54,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:15:54,016 INFO L263 TraceCheckSpWp]: Trace formula consists of 2136 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-26 00:15:54,024 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:15:54,070 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2022-11-26 00:15:54,070 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-26 00:15:54,070 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1193037006] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:15:54,071 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-26 00:15:54,071 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2022-11-26 00:15:54,073 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [562057164] [2022-11-26 00:15:54,074 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:15:54,078 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:15:54,078 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:15:54,123 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:15:54,124 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-26 00:15:54,128 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) [2022-11-26 00:15:54,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:15:54,666 INFO L93 Difference]: Finished difference Result 528 states and 786 transitions. [2022-11-26 00:15:54,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 00:15:54,680 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 [2022-11-26 00:15:54,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:15:54,691 INFO L225 Difference]: With dead ends: 528 [2022-11-26 00:15:54,691 INFO L226 Difference]: Without dead ends: 288 [2022-11-26 00:15:54,698 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 [2022-11-26 00:15:54,701 INFO L413 NwaCegarLoop]: 364 mSDtfsCounter, 0 mSDsluCounter, 359 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s 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, 0.4s IncrementalHoareTripleChecker+Time [2022-11-26 00:15:54,702 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 723 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-26 00:15:54,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 288 states. [2022-11-26 00:15:54,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 288 to 288. [2022-11-26 00:15:54,773 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) [2022-11-26 00:15:54,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 288 states and 404 transitions. [2022-11-26 00:15:54,778 INFO L78 Accepts]: Start accepts. Automaton has 288 states and 404 transitions. Word has length 80 [2022-11-26 00:15:54,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:15:54,780 INFO L495 AbstractCegarLoop]: Abstraction has 288 states and 404 transitions. [2022-11-26 00:15:54,780 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) [2022-11-26 00:15:54,781 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 404 transitions. [2022-11-26 00:15:54,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-11-26 00:15:54,785 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:15:54,785 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] [2022-11-26 00:15:54,800 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14c4bb57-4b9e-40c9-a808-11f1abdc1696/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-26 00:15:54,995 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14c4bb57-4b9e-40c9-a808-11f1abdc1696/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2022-11-26 00:15:54,996 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:15:54,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:15:54,996 INFO L85 PathProgramCache]: Analyzing trace with hash -1483620489, now seen corresponding path program 1 times [2022-11-26 00:15:54,996 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:15:54,996 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [416067261] [2022-11-26 00:15:54,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:15:54,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:15:55,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:15:55,585 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2022-11-26 00:15:55,585 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:15:55,585 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [416067261] [2022-11-26 00:15:55,585 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [416067261] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-26 00:15:55,586 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [154423357] [2022-11-26 00:15:55,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:15:55,586 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:15:55,586 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14c4bb57-4b9e-40c9-a808-11f1abdc1696/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:15:55,591 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14c4bb57-4b9e-40c9-a808-11f1abdc1696/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:15:55,600 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14c4bb57-4b9e-40c9-a808-11f1abdc1696/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-26 00:15:56,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:15:56,155 INFO L263 TraceCheckSpWp]: Trace formula consists of 2244 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-26 00:15:56,159 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:15:56,251 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-11-26 00:15:56,251 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-26 00:15:56,251 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [154423357] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:15:56,251 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-26 00:15:56,252 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 8 [2022-11-26 00:15:56,252 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1718738789] [2022-11-26 00:15:56,252 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:15:56,253 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-26 00:15:56,253 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:15:56,254 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-26 00:15:56,254 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-11-26 00:15:56,254 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) [2022-11-26 00:15:56,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:15:56,949 INFO L93 Difference]: Finished difference Result 548 states and 779 transitions. [2022-11-26 00:15:56,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-26 00:15:56,950 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 [2022-11-26 00:15:56,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:15:56,955 INFO L225 Difference]: With dead ends: 548 [2022-11-26 00:15:56,955 INFO L226 Difference]: Without dead ends: 290 [2022-11-26 00:15:56,957 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 [2022-11-26 00:15:56,958 INFO L413 NwaCegarLoop]: 345 mSDtfsCounter, 31 mSDsluCounter, 968 mSDsCounter, 0 mSdLazyCounter, 246 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s 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, 0.6s IncrementalHoareTripleChecker+Time [2022-11-26 00:15:56,958 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 1313 Invalid, 247 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 246 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-26 00:15:56,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 290 states. [2022-11-26 00:15:56,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 290 to 290. [2022-11-26 00:15:56,999 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) [2022-11-26 00:15:57,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 290 states and 413 transitions. [2022-11-26 00:15:57,004 INFO L78 Accepts]: Start accepts. Automaton has 290 states and 413 transitions. Word has length 95 [2022-11-26 00:15:57,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:15:57,006 INFO L495 AbstractCegarLoop]: Abstraction has 290 states and 413 transitions. [2022-11-26 00:15:57,007 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) [2022-11-26 00:15:57,007 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 413 transitions. [2022-11-26 00:15:57,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2022-11-26 00:15:57,020 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:15:57,020 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] [2022-11-26 00:15:57,030 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14c4bb57-4b9e-40c9-a808-11f1abdc1696/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-26 00:15:57,229 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14c4bb57-4b9e-40c9-a808-11f1abdc1696/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:15:57,230 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:15:57,230 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:15:57,230 INFO L85 PathProgramCache]: Analyzing trace with hash 1504890902, now seen corresponding path program 1 times [2022-11-26 00:15:57,230 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:15:57,230 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1995919083] [2022-11-26 00:15:57,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:15:57,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:15:57,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:15:57,837 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2022-11-26 00:15:57,838 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:15:57,841 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1995919083] [2022-11-26 00:15:57,841 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1995919083] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-26 00:15:57,841 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [4523960] [2022-11-26 00:15:57,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:15:57,842 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:15:57,842 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14c4bb57-4b9e-40c9-a808-11f1abdc1696/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:15:57,847 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14c4bb57-4b9e-40c9-a808-11f1abdc1696/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:15:57,870 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14c4bb57-4b9e-40c9-a808-11f1abdc1696/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-26 00:15:58,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:15:58,397 INFO L263 TraceCheckSpWp]: Trace formula consists of 2294 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-26 00:15:58,401 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:15:58,544 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-11-26 00:15:58,544 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-26 00:15:58,544 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [4523960] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:15:58,544 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-26 00:15:58,545 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [8] total 13 [2022-11-26 00:15:58,549 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [630406233] [2022-11-26 00:15:58,549 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:15:58,552 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-26 00:15:58,552 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:15:58,553 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-26 00:15:58,554 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2022-11-26 00:15:58,554 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) [2022-11-26 00:15:59,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:15:59,630 INFO L93 Difference]: Finished difference Result 563 states and 822 transitions. [2022-11-26 00:15:59,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-26 00:15:59,631 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 [2022-11-26 00:15:59,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:15:59,634 INFO L225 Difference]: With dead ends: 563 [2022-11-26 00:15:59,634 INFO L226 Difference]: Without dead ends: 303 [2022-11-26 00:15:59,636 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 [2022-11-26 00:15:59,637 INFO L413 NwaCegarLoop]: 340 mSDtfsCounter, 44 mSDsluCounter, 1594 mSDsCounter, 0 mSdLazyCounter, 511 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s 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, 1.0s IncrementalHoareTripleChecker+Time [2022-11-26 00:15:59,637 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 1934 Invalid, 518 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 511 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-11-26 00:15:59,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 303 states. [2022-11-26 00:15:59,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 303 to 301. [2022-11-26 00:15:59,686 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) [2022-11-26 00:15:59,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 301 states and 438 transitions. [2022-11-26 00:15:59,690 INFO L78 Accepts]: Start accepts. Automaton has 301 states and 438 transitions. Word has length 103 [2022-11-26 00:15:59,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:15:59,690 INFO L495 AbstractCegarLoop]: Abstraction has 301 states and 438 transitions. [2022-11-26 00:15:59,691 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) [2022-11-26 00:15:59,691 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 438 transitions. [2022-11-26 00:15:59,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-11-26 00:15:59,693 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:15:59,693 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] [2022-11-26 00:15:59,702 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14c4bb57-4b9e-40c9-a808-11f1abdc1696/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-26 00:15:59,902 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14c4bb57-4b9e-40c9-a808-11f1abdc1696/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:15:59,902 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:15:59,902 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:15:59,903 INFO L85 PathProgramCache]: Analyzing trace with hash 1295881075, now seen corresponding path program 1 times [2022-11-26 00:15:59,903 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:15:59,903 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [54230289] [2022-11-26 00:15:59,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:15:59,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:15:59,988 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-26 00:15:59,988 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1569298837] [2022-11-26 00:15:59,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:15:59,988 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:15:59,989 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14c4bb57-4b9e-40c9-a808-11f1abdc1696/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:15:59,990 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14c4bb57-4b9e-40c9-a808-11f1abdc1696/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:16:00,010 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14c4bb57-4b9e-40c9-a808-11f1abdc1696/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-26 00:16:00,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:16:00,570 INFO L263 TraceCheckSpWp]: Trace formula consists of 2426 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-26 00:16:00,576 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:16:00,655 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-11-26 00:16:00,655 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-26 00:16:00,655 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:16:00,655 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [54230289] [2022-11-26 00:16:00,656 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-26 00:16:00,656 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1569298837] [2022-11-26 00:16:00,656 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1569298837] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:16:00,656 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:16:00,656 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-26 00:16:00,656 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [554604108] [2022-11-26 00:16:00,657 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:16:00,657 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-26 00:16:00,657 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:16:00,658 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-26 00:16:00,658 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-26 00:16:00,658 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) [2022-11-26 00:16:01,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:16:01,529 INFO L93 Difference]: Finished difference Result 580 states and 867 transitions. [2022-11-26 00:16:01,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-26 00:16:01,529 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 [2022-11-26 00:16:01,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:16:01,532 INFO L225 Difference]: With dead ends: 580 [2022-11-26 00:16:01,533 INFO L226 Difference]: Without dead ends: 309 [2022-11-26 00:16:01,534 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 [2022-11-26 00:16:01,535 INFO L413 NwaCegarLoop]: 344 mSDtfsCounter, 42 mSDsluCounter, 1279 mSDsCounter, 0 mSdLazyCounter, 369 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s 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, 0.8s IncrementalHoareTripleChecker+Time [2022-11-26 00:16:01,536 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 1623 Invalid, 375 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 369 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-11-26 00:16:01,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 309 states. [2022-11-26 00:16:01,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 309 to 301. [2022-11-26 00:16:01,558 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) [2022-11-26 00:16:01,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 301 states and 438 transitions. [2022-11-26 00:16:01,562 INFO L78 Accepts]: Start accepts. Automaton has 301 states and 438 transitions. Word has length 112 [2022-11-26 00:16:01,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:16:01,563 INFO L495 AbstractCegarLoop]: Abstraction has 301 states and 438 transitions. [2022-11-26 00:16:01,563 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) [2022-11-26 00:16:01,563 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 438 transitions. [2022-11-26 00:16:01,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2022-11-26 00:16:01,565 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:16:01,565 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] [2022-11-26 00:16:01,580 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14c4bb57-4b9e-40c9-a808-11f1abdc1696/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-11-26 00:16:01,776 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14c4bb57-4b9e-40c9-a808-11f1abdc1696/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:16:01,776 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:16:01,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:16:01,776 INFO L85 PathProgramCache]: Analyzing trace with hash 1631024648, now seen corresponding path program 1 times [2022-11-26 00:16:01,776 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:16:01,776 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1565027801] [2022-11-26 00:16:01,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:16:01,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:16:01,881 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-26 00:16:01,882 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1948626982] [2022-11-26 00:16:01,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:16:01,882 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:16:01,882 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14c4bb57-4b9e-40c9-a808-11f1abdc1696/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:16:01,883 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14c4bb57-4b9e-40c9-a808-11f1abdc1696/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:16:01,914 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14c4bb57-4b9e-40c9-a808-11f1abdc1696/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-26 00:16:02,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:16:02,518 INFO L263 TraceCheckSpWp]: Trace formula consists of 2480 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-26 00:16:02,522 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:16:02,621 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2022-11-26 00:16:02,622 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-26 00:16:02,622 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:16:02,622 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1565027801] [2022-11-26 00:16:02,622 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-26 00:16:02,622 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1948626982] [2022-11-26 00:16:02,623 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1948626982] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:16:02,623 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:16:02,623 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-26 00:16:02,623 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [549963301] [2022-11-26 00:16:02,623 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:16:02,624 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-26 00:16:02,624 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:16:02,625 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-26 00:16:02,625 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-11-26 00:16:02,625 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) [2022-11-26 00:16:03,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:16:03,966 INFO L93 Difference]: Finished difference Result 590 states and 881 transitions. [2022-11-26 00:16:03,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-26 00:16:03,967 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 [2022-11-26 00:16:03,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:16:03,970 INFO L225 Difference]: With dead ends: 590 [2022-11-26 00:16:03,971 INFO L226 Difference]: Without dead ends: 319 [2022-11-26 00:16:03,973 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 [2022-11-26 00:16:03,974 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 [2022-11-26 00:16:03,974 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] [2022-11-26 00:16:03,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 319 states. [2022-11-26 00:16:04,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 319 to 301. [2022-11-26 00:16:04,006 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) [2022-11-26 00:16:04,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 301 states and 438 transitions. [2022-11-26 00:16:04,015 INFO L78 Accepts]: Start accepts. Automaton has 301 states and 438 transitions. Word has length 120 [2022-11-26 00:16:04,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:16:04,016 INFO L495 AbstractCegarLoop]: Abstraction has 301 states and 438 transitions. [2022-11-26 00:16:04,016 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) [2022-11-26 00:16:04,016 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 438 transitions. [2022-11-26 00:16:04,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-11-26 00:16:04,025 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:16:04,025 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] [2022-11-26 00:16:04,040 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14c4bb57-4b9e-40c9-a808-11f1abdc1696/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-11-26 00:16:04,235 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14c4bb57-4b9e-40c9-a808-11f1abdc1696/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:16:04,235 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:16:04,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:16:04,236 INFO L85 PathProgramCache]: Analyzing trace with hash 856727737, now seen corresponding path program 1 times [2022-11-26 00:16:04,236 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:16:04,236 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1197393952] [2022-11-26 00:16:04,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:16:04,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:16:04,328 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-26 00:16:04,329 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1881815228] [2022-11-26 00:16:04,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:16:04,329 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:16:04,329 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14c4bb57-4b9e-40c9-a808-11f1abdc1696/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:16:04,330 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14c4bb57-4b9e-40c9-a808-11f1abdc1696/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:16:04,350 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14c4bb57-4b9e-40c9-a808-11f1abdc1696/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-26 00:16:04,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:16:04,982 INFO L263 TraceCheckSpWp]: Trace formula consists of 2612 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-26 00:16:04,987 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:16:05,076 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2022-11-26 00:16:05,076 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-26 00:16:05,076 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:16:05,076 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1197393952] [2022-11-26 00:16:05,077 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-26 00:16:05,077 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1881815228] [2022-11-26 00:16:05,077 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1881815228] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:16:05,077 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:16:05,077 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-26 00:16:05,078 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [619993139] [2022-11-26 00:16:05,078 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:16:05,078 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-26 00:16:05,078 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:16:05,079 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-26 00:16:05,079 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-26 00:16:05,079 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) [2022-11-26 00:16:05,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:16:05,952 INFO L93 Difference]: Finished difference Result 549 states and 812 transitions. [2022-11-26 00:16:05,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-26 00:16:05,953 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 [2022-11-26 00:16:05,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:16:05,956 INFO L225 Difference]: With dead ends: 549 [2022-11-26 00:16:05,956 INFO L226 Difference]: Without dead ends: 303 [2022-11-26 00:16:05,958 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 [2022-11-26 00:16:05,959 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 [2022-11-26 00:16:05,959 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] [2022-11-26 00:16:05,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 303 states. [2022-11-26 00:16:05,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 303 to 303. [2022-11-26 00:16:05,976 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) [2022-11-26 00:16:05,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 303 states and 445 transitions. [2022-11-26 00:16:05,979 INFO L78 Accepts]: Start accepts. Automaton has 303 states and 445 transitions. Word has length 129 [2022-11-26 00:16:05,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:16:05,980 INFO L495 AbstractCegarLoop]: Abstraction has 303 states and 445 transitions. [2022-11-26 00:16:05,980 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) [2022-11-26 00:16:05,981 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 445 transitions. [2022-11-26 00:16:05,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2022-11-26 00:16:05,983 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:16:05,983 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] [2022-11-26 00:16:05,993 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14c4bb57-4b9e-40c9-a808-11f1abdc1696/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-11-26 00:16:06,192 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14c4bb57-4b9e-40c9-a808-11f1abdc1696/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:16:06,193 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:16:06,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:16:06,193 INFO L85 PathProgramCache]: Analyzing trace with hash -1921959463, now seen corresponding path program 1 times [2022-11-26 00:16:06,193 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:16:06,193 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [65495792] [2022-11-26 00:16:06,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:16:06,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:16:06,296 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-26 00:16:06,296 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1918924911] [2022-11-26 00:16:06,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:16:06,296 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:16:06,296 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14c4bb57-4b9e-40c9-a808-11f1abdc1696/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:16:06,297 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14c4bb57-4b9e-40c9-a808-11f1abdc1696/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:16:06,308 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14c4bb57-4b9e-40c9-a808-11f1abdc1696/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-11-26 00:16:07,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:16:07,033 INFO L263 TraceCheckSpWp]: Trace formula consists of 2794 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-26 00:16:07,040 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:16:07,145 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2022-11-26 00:16:07,145 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-26 00:16:07,146 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:16:07,146 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [65495792] [2022-11-26 00:16:07,146 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-26 00:16:07,146 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1918924911] [2022-11-26 00:16:07,146 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1918924911] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:16:07,147 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:16:07,147 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-26 00:16:07,147 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [372853491] [2022-11-26 00:16:07,147 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:16:07,148 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-26 00:16:07,148 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:16:07,149 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-26 00:16:07,149 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-11-26 00:16:07,149 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) [2022-11-26 00:16:08,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:16:08,311 INFO L93 Difference]: Finished difference Result 554 states and 827 transitions. [2022-11-26 00:16:08,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-26 00:16:08,312 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 [2022-11-26 00:16:08,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:16:08,314 INFO L225 Difference]: With dead ends: 554 [2022-11-26 00:16:08,314 INFO L226 Difference]: Without dead ends: 306 [2022-11-26 00:16:08,316 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 [2022-11-26 00:16:08,317 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 [2022-11-26 00:16:08,317 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] [2022-11-26 00:16:08,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 306 states. [2022-11-26 00:16:08,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 306 to 304. [2022-11-26 00:16:08,333 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) [2022-11-26 00:16:08,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 304 states and 446 transitions. [2022-11-26 00:16:08,336 INFO L78 Accepts]: Start accepts. Automaton has 304 states and 446 transitions. Word has length 146 [2022-11-26 00:16:08,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:16:08,337 INFO L495 AbstractCegarLoop]: Abstraction has 304 states and 446 transitions. [2022-11-26 00:16:08,337 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) [2022-11-26 00:16:08,338 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 446 transitions. [2022-11-26 00:16:08,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2022-11-26 00:16:08,340 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:16:08,340 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] [2022-11-26 00:16:08,351 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14c4bb57-4b9e-40c9-a808-11f1abdc1696/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-11-26 00:16:08,550 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14c4bb57-4b9e-40c9-a808-11f1abdc1696/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2022-11-26 00:16:08,551 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:16:08,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:16:08,552 INFO L85 PathProgramCache]: Analyzing trace with hash 603280494, now seen corresponding path program 2 times [2022-11-26 00:16:08,552 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:16:08,552 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1203677718] [2022-11-26 00:16:08,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:16:08,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:16:08,651 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-26 00:16:08,651 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1807443595] [2022-11-26 00:16:08,651 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-26 00:16:08,651 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:16:08,652 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14c4bb57-4b9e-40c9-a808-11f1abdc1696/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:16:08,653 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14c4bb57-4b9e-40c9-a808-11f1abdc1696/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:16:08,678 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14c4bb57-4b9e-40c9-a808-11f1abdc1696/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-11-26 00:16:09,904 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2022-11-26 00:16:09,905 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-26 00:16:09,914 INFO L263 TraceCheckSpWp]: Trace formula consists of 2060 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-26 00:16:09,919 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:16:10,044 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2022-11-26 00:16:10,059 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-26 00:16:10,059 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:16:10,059 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1203677718] [2022-11-26 00:16:10,059 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-26 00:16:10,059 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1807443595] [2022-11-26 00:16:10,059 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1807443595] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:16:10,060 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:16:10,060 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-26 00:16:10,060 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2095486477] [2022-11-26 00:16:10,060 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:16:10,061 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-26 00:16:10,061 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:16:10,061 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-26 00:16:10,066 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-26 00:16:10,067 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) [2022-11-26 00:16:11,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:16:11,003 INFO L93 Difference]: Finished difference Result 558 states and 836 transitions. [2022-11-26 00:16:11,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-26 00:16:11,004 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 [2022-11-26 00:16:11,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:16:11,007 INFO L225 Difference]: With dead ends: 558 [2022-11-26 00:16:11,007 INFO L226 Difference]: Without dead ends: 338 [2022-11-26 00:16:11,009 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 [2022-11-26 00:16:11,009 INFO L413 NwaCegarLoop]: 399 mSDtfsCounter, 53 mSDsluCounter, 1487 mSDsCounter, 0 mSdLazyCounter, 282 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s 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, 0.9s IncrementalHoareTripleChecker+Time [2022-11-26 00:16:11,010 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 1886 Invalid, 302 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 282 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-11-26 00:16:11,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 338 states. [2022-11-26 00:16:11,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 338 to 305. [2022-11-26 00:16:11,029 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) [2022-11-26 00:16:11,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 305 states and 447 transitions. [2022-11-26 00:16:11,032 INFO L78 Accepts]: Start accepts. Automaton has 305 states and 447 transitions. Word has length 154 [2022-11-26 00:16:11,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:16:11,032 INFO L495 AbstractCegarLoop]: Abstraction has 305 states and 447 transitions. [2022-11-26 00:16:11,033 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) [2022-11-26 00:16:11,033 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 447 transitions. [2022-11-26 00:16:11,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2022-11-26 00:16:11,035 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:16:11,035 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] [2022-11-26 00:16:11,051 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14c4bb57-4b9e-40c9-a808-11f1abdc1696/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-11-26 00:16:11,245 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14c4bb57-4b9e-40c9-a808-11f1abdc1696/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:16:11,245 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:16:11,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:16:11,246 INFO L85 PathProgramCache]: Analyzing trace with hash -1997962447, now seen corresponding path program 1 times [2022-11-26 00:16:11,246 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:16:11,246 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [715601012] [2022-11-26 00:16:11,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:16:11,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:16:11,361 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-26 00:16:11,361 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [708270486] [2022-11-26 00:16:11,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:16:11,362 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:16:11,362 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14c4bb57-4b9e-40c9-a808-11f1abdc1696/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:16:11,363 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14c4bb57-4b9e-40c9-a808-11f1abdc1696/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:16:11,386 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14c4bb57-4b9e-40c9-a808-11f1abdc1696/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-11-26 00:16:12,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:16:12,121 INFO L263 TraceCheckSpWp]: Trace formula consists of 2885 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-26 00:16:12,127 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:16:12,264 INFO L134 CoverageAnalysis]: Checked inductivity of 229 backedges. 120 proven. 0 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2022-11-26 00:16:12,265 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-26 00:16:12,265 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:16:12,265 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [715601012] [2022-11-26 00:16:12,265 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-26 00:16:12,265 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [708270486] [2022-11-26 00:16:12,266 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [708270486] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:16:12,266 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:16:12,266 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-11-26 00:16:12,268 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1672229475] [2022-11-26 00:16:12,268 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:16:12,269 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-26 00:16:12,269 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:16:12,270 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-26 00:16:12,270 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2022-11-26 00:16:12,271 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) [2022-11-26 00:16:13,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:16:13,608 INFO L93 Difference]: Finished difference Result 565 states and 845 transitions. [2022-11-26 00:16:13,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-26 00:16:13,609 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 [2022-11-26 00:16:13,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:16:13,611 INFO L225 Difference]: With dead ends: 565 [2022-11-26 00:16:13,611 INFO L226 Difference]: Without dead ends: 315 [2022-11-26 00:16:13,613 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 [2022-11-26 00:16:13,613 INFO L413 NwaCegarLoop]: 331 mSDtfsCounter, 100 mSDsluCounter, 2427 mSDsCounter, 0 mSdLazyCounter, 837 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s 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, 1.2s IncrementalHoareTripleChecker+Time [2022-11-26 00:16:13,614 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [106 Valid, 2758 Invalid, 883 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 837 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-11-26 00:16:13,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 315 states. [2022-11-26 00:16:13,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 315 to 310. [2022-11-26 00:16:13,632 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) [2022-11-26 00:16:13,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 310 states and 454 transitions. [2022-11-26 00:16:13,635 INFO L78 Accepts]: Start accepts. Automaton has 310 states and 454 transitions. Word has length 167 [2022-11-26 00:16:13,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:16:13,636 INFO L495 AbstractCegarLoop]: Abstraction has 310 states and 454 transitions. [2022-11-26 00:16:13,636 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) [2022-11-26 00:16:13,636 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 454 transitions. [2022-11-26 00:16:13,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2022-11-26 00:16:13,639 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:16:13,639 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] [2022-11-26 00:16:13,650 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14c4bb57-4b9e-40c9-a808-11f1abdc1696/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-11-26 00:16:13,849 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14c4bb57-4b9e-40c9-a808-11f1abdc1696/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:16:13,850 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:16:13,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:16:13,850 INFO L85 PathProgramCache]: Analyzing trace with hash 59482499, now seen corresponding path program 2 times [2022-11-26 00:16:13,850 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:16:13,850 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1670200492] [2022-11-26 00:16:13,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:16:13,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:16:13,937 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-26 00:16:13,938 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2004524655] [2022-11-26 00:16:13,938 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-26 00:16:13,938 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:16:13,938 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14c4bb57-4b9e-40c9-a808-11f1abdc1696/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:16:13,939 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14c4bb57-4b9e-40c9-a808-11f1abdc1696/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:16:13,948 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14c4bb57-4b9e-40c9-a808-11f1abdc1696/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-11-26 00:16:14,785 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2022-11-26 00:16:14,786 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-26 00:16:14,792 INFO L263 TraceCheckSpWp]: Trace formula consists of 1881 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-26 00:16:14,799 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:16:14,835 INFO L134 CoverageAnalysis]: Checked inductivity of 229 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 191 trivial. 0 not checked. [2022-11-26 00:16:14,836 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-26 00:16:14,837 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:16:14,837 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1670200492] [2022-11-26 00:16:14,837 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-26 00:16:14,837 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2004524655] [2022-11-26 00:16:14,837 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2004524655] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:16:14,837 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:16:14,837 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-26 00:16:14,839 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [618546175] [2022-11-26 00:16:14,839 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:16:14,840 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-26 00:16:14,840 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:16:14,841 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-26 00:16:14,841 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:16:14,841 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) [2022-11-26 00:16:15,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:16:15,559 INFO L93 Difference]: Finished difference Result 552 states and 826 transitions. [2022-11-26 00:16:15,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-26 00:16:15,559 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 [2022-11-26 00:16:15,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:16:15,562 INFO L225 Difference]: With dead ends: 552 [2022-11-26 00:16:15,562 INFO L226 Difference]: Without dead ends: 310 [2022-11-26 00:16:15,564 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 [2022-11-26 00:16:15,565 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, 0.7s IncrementalHoareTripleChecker+Time [2022-11-26 00:16:15,565 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1297 Invalid, 313 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 313 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-11-26 00:16:15,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 310 states. [2022-11-26 00:16:15,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 310 to 310. [2022-11-26 00:16:15,585 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) [2022-11-26 00:16:15,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 310 states and 453 transitions. [2022-11-26 00:16:15,588 INFO L78 Accepts]: Start accepts. Automaton has 310 states and 453 transitions. Word has length 167 [2022-11-26 00:16:15,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:16:15,588 INFO L495 AbstractCegarLoop]: Abstraction has 310 states and 453 transitions. [2022-11-26 00:16:15,588 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) [2022-11-26 00:16:15,589 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 453 transitions. [2022-11-26 00:16:15,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2022-11-26 00:16:15,591 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:16:15,592 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] [2022-11-26 00:16:15,608 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14c4bb57-4b9e-40c9-a808-11f1abdc1696/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2022-11-26 00:16:15,808 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14c4bb57-4b9e-40c9-a808-11f1abdc1696/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-11-26 00:16:15,808 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:16:15,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:16:15,809 INFO L85 PathProgramCache]: Analyzing trace with hash 1732117889, now seen corresponding path program 3 times [2022-11-26 00:16:15,809 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:16:15,809 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [898401382] [2022-11-26 00:16:15,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:16:15,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:16:15,917 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-26 00:16:15,917 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1137949542] [2022-11-26 00:16:15,917 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-11-26 00:16:15,917 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:16:15,918 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14c4bb57-4b9e-40c9-a808-11f1abdc1696/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:16:15,919 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14c4bb57-4b9e-40c9-a808-11f1abdc1696/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:16:15,946 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14c4bb57-4b9e-40c9-a808-11f1abdc1696/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-11-26 00:16:16,463 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-11-26 00:16:16,463 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-26 00:16:16,468 INFO L263 TraceCheckSpWp]: Trace formula consists of 866 conjuncts, 45 conjunts are in the unsatisfiable core [2022-11-26 00:16:16,474 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:16:16,691 INFO L134 CoverageAnalysis]: Checked inductivity of 292 backedges. 127 proven. 13 refuted. 0 times theorem prover too weak. 152 trivial. 0 not checked. [2022-11-26 00:16:16,691 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-26 00:16:17,210 INFO L134 CoverageAnalysis]: Checked inductivity of 292 backedges. 3 proven. 14 refuted. 0 times theorem prover too weak. 275 trivial. 0 not checked. [2022-11-26 00:16:17,210 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:16:17,211 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [898401382] [2022-11-26 00:16:17,211 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-26 00:16:17,211 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1137949542] [2022-11-26 00:16:17,211 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1137949542] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-26 00:16:17,211 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1669328635] [2022-11-26 00:16:17,257 INFO L159 IcfgInterpreter]: Started Sifa with 82 locations of interest [2022-11-26 00:16:17,257 INFO L166 IcfgInterpreter]: Building call graph [2022-11-26 00:16:17,262 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-26 00:16:17,267 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-26 00:16:17,268 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-26 00:16:20,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:16:21,092 INFO L217 Elim1Store]: Index analysis took 407 ms [2022-11-26 00:16:38,449 WARN L233 SmtUtils]: Spent 17.28s on a formula simplification. DAG size of input: 1758 DAG size of output: 1169 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-26 00:16:38,455 INFO L321 Elim1Store]: treesize reduction 1958, result has 47.2 percent of original size [2022-11-26 00:16:38,460 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 196 select indices, 196 select index equivalence classes, 19112 disjoint index pairs (out of 19110 index pairs), introduced 196 new quantified variables, introduced 195 case distinctions, treesize of input 987 treesize of output 2346 [2022-11-26 00:16:41,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:16:42,563 INFO L217 Elim1Store]: Index analysis took 800 ms [2022-11-26 00:17:10,159 WARN L233 SmtUtils]: Spent 27.53s on a formula simplification. DAG size of input: 2150 DAG size of output: 1173 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-26 00:17:10,161 INFO L321 Elim1Store]: treesize reduction 3510, result has 33.3 percent of original size [2022-11-26 00:17:10,164 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 198 select indices, 198 select index equivalence classes, 19308 disjoint index pairs (out of 19503 index pairs), introduced 198 new quantified variables, introduced 390 case distinctions, treesize of input 997 treesize of output 2365 [2022-11-26 00:18:32,830 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 [2022-11-26 00:18:32,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:32,836 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 [2022-11-26 00:18:32,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:32,842 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 [2022-11-26 00:18:32,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:32,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:32,852 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 [2022-11-26 00:18:36,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:36,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:36,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:36,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:36,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:36,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:36,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:36,135 INFO L217 Elim1Store]: Index analysis took 134 ms [2022-11-26 00:18:36,176 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 [2022-11-26 00:18:36,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:36,748 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 198 select indices, 198 select index equivalence classes, 19503 disjoint index pairs (out of 19503 index pairs), introduced 198 new quantified variables, introduced 0 case distinctions, treesize of input 991 treesize of output 595 [2022-11-26 00:18:37,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:37,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:37,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:37,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:37,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:37,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:37,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:37,395 INFO L217 Elim1Store]: Index analysis took 116 ms [2022-11-26 00:18:37,429 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 [2022-11-26 00:18:37,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:37,980 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 197 select indices, 197 select index equivalence classes, 19307 disjoint index pairs (out of 19306 index pairs), introduced 197 new quantified variables, introduced 0 case distinctions, treesize of input 986 treesize of output 592 [2022-11-26 00:18:38,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:38,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:38,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:38,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:38,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:38,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:38,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:38,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:38,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:38,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:38,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:38,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:38,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:38,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:38,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:38,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:38,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:38,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:38,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:38,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:38,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:38,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:38,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:38,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:38,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:38,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:38,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:38,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:38,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:38,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:38,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:38,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:38,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:38,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:38,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:38,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:38,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:38,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:38,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:38,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:38,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:38,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:38,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:38,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:38,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:38,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:38,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:38,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:38,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:38,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:38,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:38,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:38,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:38,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:38,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:38,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:38,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:38,412 INFO L217 Elim1Store]: Index analysis took 108 ms [2022-11-26 00:18:38,417 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 [2022-11-26 00:18:45,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:45,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:45,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:45,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:45,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:45,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:45,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:45,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:45,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:45,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:45,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:45,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:45,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:45,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:45,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:45,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:45,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:45,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:45,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:45,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:45,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:45,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:45,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:45,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:45,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:45,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:45,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:45,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:45,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:45,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:45,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:45,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:45,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:45,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:45,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:45,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:45,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:45,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:45,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:45,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:45,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:45,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:45,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:45,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:45,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:45,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:45,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:45,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:45,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:45,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:45,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:45,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:45,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:45,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:45,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:45,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:45,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:45,635 INFO L217 Elim1Store]: Index analysis took 108 ms [2022-11-26 00:18:45,641 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 [2022-11-26 00:18:46,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:46,109 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 198 select indices, 198 select index equivalence classes, 19503 disjoint index pairs (out of 19503 index pairs), introduced 198 new quantified variables, introduced 0 case distinctions, treesize of input 991 treesize of output 595 [2022-11-26 00:18:46,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:46,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:46,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:46,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:46,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:46,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:46,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:46,752 INFO L217 Elim1Store]: Index analysis took 125 ms [2022-11-26 00:18:46,781 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 [2022-11-26 00:18:47,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:47,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:47,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:47,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:47,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:47,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:47,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:47,359 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 [2022-11-26 00:18:47,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:18:47,833 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 197 select indices, 197 select index equivalence classes, 19307 disjoint index pairs (out of 19306 index pairs), introduced 197 new quantified variables, introduced 0 case distinctions, treesize of input 986 treesize of output 592 [2022-11-26 00:19:03,972 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 [2022-11-26 00:19:04,021 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 [2022-11-26 00:19:04,121 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 [2022-11-26 00:19:04,384 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 [2022-11-26 00:19:04,436 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 [2022-11-26 00:19:04,539 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 [2022-11-26 00:19:19,228 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 [2022-11-26 00:19:19,348 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 [2022-11-26 00:19:19,396 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 [2022-11-26 00:19:19,629 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 [2022-11-26 00:19:19,749 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 [2022-11-26 00:19:19,805 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 [2022-11-26 00:19:22,253 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 2161 [2022-11-26 00:19:22,735 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 2161 [2022-11-26 00:19:22,993 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 2175 treesize of output 2154 [2022-11-26 00:19:23,954 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 [2022-11-26 00:19:36,980 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 [2022-11-26 00:19:36,987 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 [2022-11-26 00:19:37,013 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 [2022-11-26 00:19:37,017 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 [2022-11-26 00:19:37,049 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-26 00:19:37,055 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 [2022-11-26 00:19:37,061 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 [2022-11-26 00:19:37,069 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 [2022-11-26 00:19:37,117 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 [2022-11-26 00:19:37,124 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 [2022-11-26 00:19:37,153 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-26 00:19:37,153 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 [2022-11-26 00:19:37,195 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-26 00:19:37,221 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-26 00:19:37,222 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 [2022-11-26 00:19:37,234 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 [2022-11-26 00:19:37,282 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 [2022-11-26 00:19:37,372 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 [2022-11-26 00:19:37,376 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 [2022-11-26 00:19:37,388 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 [2022-11-26 00:19:37,391 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 [2022-11-26 00:19:38,857 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 2167 treesize of output 2139 [2022-11-26 00:19:39,141 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 2143 treesize of output 2115 [2022-11-26 00:19:39,351 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 2111 treesize of output 2087 [2022-11-26 00:19:55,558 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 2167 treesize of output 2139 [2022-11-26 00:19:55,839 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 2135 treesize of output 2111 [2022-11-26 00:19:55,966 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 2119 treesize of output 2091 [2022-11-26 00:22:35,212 INFO L197 IcfgInterpreter]: Interpreting procedure aws_array_list_is_bounded with input of size 2895 for LOIs [2022-11-26 00:22:49,343 INFO L197 IcfgInterpreter]: Interpreting procedure s_sift_either with input of size 678 for LOIs [2022-11-26 00:22:51,887 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 196 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 [2022-11-26 00:22:51,993 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 196 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 [2022-11-26 00:22:52,090 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 196 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 [2022-11-26 00:22:52,717 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 196 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 [2022-11-26 00:22:52,825 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 196 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 [2022-11-26 00:22:52,935 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 196 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 [2022-11-26 00:22:54,334 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 196 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 [2022-11-26 00:22:54,447 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 196 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 [2022-11-26 00:22:54,553 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 196 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 [2022-11-26 00:22:55,364 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 196 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 [2022-11-26 00:22:55,449 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 196 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 [2022-11-26 00:22:55,557 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 196 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 [2022-11-26 00:22:57,227 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 196 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 [2022-11-26 00:22:57,319 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 196 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 [2022-11-26 00:22:57,381 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 196 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 [2022-11-26 00:22:57,786 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 [2022-11-26 00:22:58,369 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 196 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 [2022-11-26 00:22:58,413 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 196 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 [2022-11-26 00:22:58,516 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 196 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 [2022-11-26 00:22:58,991 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 [2022-11-26 00:23:01,462 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 1871 treesize of output 1859 [2022-11-26 00:23:01,627 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 1859 treesize of output 1847 [2022-11-26 00:23:01,718 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 1847 treesize of output 1835 [2022-11-26 00:23:05,559 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 1871 treesize of output 1859 [2022-11-26 00:23:05,723 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 1859 treesize of output 1847 [2022-11-26 00:23:05,818 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 1847 treesize of output 1835 [2022-11-26 00:23:12,155 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 1871 treesize of output 1859 [2022-11-26 00:23:12,379 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 1859 treesize of output 1847 [2022-11-26 00:23:12,488 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 1847 treesize of output 1835 [2022-11-26 00:23:20,333 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 1871 treesize of output 1859 [2022-11-26 00:23:20,539 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 1859 treesize of output 1847 [2022-11-26 00:23:20,629 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1847 treesize of output 1835 [2022-11-26 00:23:29,582 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 1927 treesize of output 1915 [2022-11-26 00:23:29,815 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 1915 treesize of output 1903 [2022-11-26 00:23:29,927 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 1903 treesize of output 1891 [2022-11-26 00:23:32,293 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 1871 treesize of output 1859 [2022-11-26 00:23:32,499 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 1859 treesize of output 1847 [2022-11-26 00:23:32,589 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 1847 treesize of output 1835 [2022-11-26 00:23:38,735 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 1871 treesize of output 1859 [2022-11-26 00:23:38,900 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 1859 treesize of output 1847 [2022-11-26 00:23:38,991 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 1847 treesize of output 1835 [2022-11-26 00:23:40,415 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 196 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 [2022-11-26 00:23:40,461 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 196 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 [2022-11-26 00:23:40,541 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 196 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 [2022-11-26 00:23:41,406 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 196 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 [2022-11-26 00:23:41,521 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 196 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 [2022-11-26 00:23:41,631 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 196 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 [2022-11-26 00:23:42,445 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 196 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 [2022-11-26 00:23:42,552 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 196 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 [2022-11-26 00:23:42,652 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 196 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 [2022-11-26 00:23:43,407 INFO L197 IcfgInterpreter]: Interpreting procedure aws_array_list_length with input of size 669 for LOIs [2022-11-26 00:23:49,439 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 [2022-11-26 00:23:49,470 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 [2022-11-26 00:23:52,034 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 47 for LOIs [2022-11-26 00:23:52,044 INFO L197 IcfgInterpreter]: Interpreting procedure aws_priority_queue_is_valid with input of size 47 for LOIs [2022-11-26 00:23:52,077 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 [2022-11-26 00:23:52,084 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 [2022-11-26 00:23:52,116 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 23 [2022-11-26 00:23:52,122 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 [2022-11-26 00:23:52,794 INFO L197 IcfgInterpreter]: Interpreting procedure aws_array_list_is_valid with input of size 50 for LOIs [2022-11-26 00:23:52,817 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 [2022-11-26 00:23:52,830 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-26 00:23:52,902 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 [2022-11-26 00:23:52,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:23:52,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:23:52,924 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-26 00:23:52,924 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 [2022-11-26 00:23:52,934 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 [2022-11-26 00:23:52,992 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 [2022-11-26 00:23:53,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:23:53,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:23:53,010 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-26 00:23:53,010 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 [2022-11-26 00:23:53,019 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 [2022-11-26 00:23:53,224 INFO L321 Elim1Store]: treesize reduction 20, result has 57.4 percent of original size [2022-11-26 00:23:53,224 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 [2022-11-26 00:23:53,885 INFO L197 IcfgInterpreter]: Interpreting procedure aws_mul_size_checked with input of size 98 for LOIs [2022-11-26 00:23:54,152 INFO L197 IcfgInterpreter]: Interpreting procedure __CPROVER_overflow_mult with input of size 84 for LOIs [2022-11-26 00:23:54,185 INFO L197 IcfgInterpreter]: Interpreting procedure ensure_array_list_has_allocated_data_member with input of size 2966 for LOIs [2022-11-26 00:25:16,578 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 [2022-11-26 00:25:16,586 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 [2022-11-26 00:25:16,599 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 [2022-11-26 00:25:16,612 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 [2022-11-26 00:25:39,700 INFO L197 IcfgInterpreter]: Interpreting procedure can_fail_allocator with input of size 45 for LOIs [2022-11-26 00:25:39,703 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 70 for LOIs [2022-11-26 00:25:39,714 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-26 00:28:20,882 WARN L233 SmtUtils]: Spent 2.67m on a formula simplification. DAG size of input: 2824 DAG size of output: 2436 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)