./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_array_list_get_at_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0218c9e6-926b-4cb7-8614-5a243be8cd3e/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0218c9e6-926b-4cb7-8614-5a243be8cd3e/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0218c9e6-926b-4cb7-8614-5a243be8cd3e/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0218c9e6-926b-4cb7-8614-5a243be8cd3e/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_array_list_get_at_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0218c9e6-926b-4cb7-8614-5a243be8cd3e/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0218c9e6-926b-4cb7-8614-5a243be8cd3e/bin/uautomizer-uyxdKDjOR8 --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 Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 4074842a6d6900f214884b5b0ef94aa1b36f37c81b70cefd0198f88d1e717beb --- 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-2329fc7 [2022-12-13 13:48:39,508 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 13:48:39,510 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 13:48:39,529 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 13:48:39,529 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 13:48:39,530 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 13:48:39,532 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 13:48:39,533 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 13:48:39,535 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 13:48:39,535 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 13:48:39,536 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 13:48:39,537 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 13:48:39,538 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 13:48:39,539 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 13:48:39,540 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 13:48:39,541 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 13:48:39,542 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 13:48:39,543 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 13:48:39,544 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 13:48:39,546 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 13:48:39,547 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 13:48:39,548 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 13:48:39,549 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 13:48:39,549 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 13:48:39,551 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 13:48:39,551 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 13:48:39,552 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 13:48:39,552 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 13:48:39,552 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 13:48:39,553 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 13:48:39,553 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 13:48:39,554 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 13:48:39,554 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 13:48:39,555 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 13:48:39,555 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 13:48:39,555 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 13:48:39,556 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 13:48:39,556 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 13:48:39,556 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 13:48:39,556 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 13:48:39,557 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 13:48:39,558 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0218c9e6-926b-4cb7-8614-5a243be8cd3e/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-12-13 13:48:39,571 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 13:48:39,571 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 13:48:39,571 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 13:48:39,572 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 13:48:39,572 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 13:48:39,572 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 13:48:39,573 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 13:48:39,573 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 13:48:39,573 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 13:48:39,573 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 13:48:39,573 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 13:48:39,573 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 13:48:39,573 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 13:48:39,573 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 13:48:39,573 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 13:48:39,573 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 13:48:39,574 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 13:48:39,574 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 13:48:39,574 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 13:48:39,574 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 13:48:39,574 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 13:48:39,574 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 13:48:39,574 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 13:48:39,574 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 13:48:39,574 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 13:48:39,574 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 13:48:39,575 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 13:48:39,575 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 13:48:39,575 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 13:48:39,575 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 13:48:39,575 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 13:48:39,575 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 13:48:39,575 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_0218c9e6-926b-4cb7-8614-5a243be8cd3e/bin/uautomizer-uyxdKDjOR8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0218c9e6-926b-4cb7-8614-5a243be8cd3e/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4074842a6d6900f214884b5b0ef94aa1b36f37c81b70cefd0198f88d1e717beb [2022-12-13 13:48:39,745 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 13:48:39,760 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 13:48:39,762 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 13:48:39,763 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 13:48:39,763 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 13:48:39,765 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0218c9e6-926b-4cb7-8614-5a243be8cd3e/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/aws-c-common/aws_array_list_get_at_harness.i [2022-12-13 13:48:42,342 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 13:48:42,649 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 13:48:42,649 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0218c9e6-926b-4cb7-8614-5a243be8cd3e/sv-benchmarks/c/aws-c-common/aws_array_list_get_at_harness.i [2022-12-13 13:48:42,666 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0218c9e6-926b-4cb7-8614-5a243be8cd3e/bin/uautomizer-uyxdKDjOR8/data/cf30a32ad/7c08d0d501bd4703b5f2b48e95367578/FLAGc0b0ac8d9 [2022-12-13 13:48:42,676 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0218c9e6-926b-4cb7-8614-5a243be8cd3e/bin/uautomizer-uyxdKDjOR8/data/cf30a32ad/7c08d0d501bd4703b5f2b48e95367578 [2022-12-13 13:48:42,678 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 13:48:42,679 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 13:48:42,680 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 13:48:42,680 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 13:48:42,683 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 13:48:42,684 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 01:48:42" (1/1) ... [2022-12-13 13:48:42,684 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9988302 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:48:42, skipping insertion in model container [2022-12-13 13:48:42,685 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 01:48:42" (1/1) ... [2022-12-13 13:48:42,690 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 13:48:42,751 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 13:48:42,920 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_0218c9e6-926b-4cb7-8614-5a243be8cd3e/sv-benchmarks/c/aws-c-common/aws_array_list_get_at_harness.i[4495,4508] [2022-12-13 13:48:42,925 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_0218c9e6-926b-4cb7-8614-5a243be8cd3e/sv-benchmarks/c/aws-c-common/aws_array_list_get_at_harness.i[4555,4568] [2022-12-13 13:48:43,510 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-12-13 13:48:43,569 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-13 13:48:43,573 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 13:48:43,574 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 13:48:43,574 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 13:48:43,575 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 13:48:43,576 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 13:48:43,578 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-13 13:48:43,586 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 13:48:43,586 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-13 13:48:43,587 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 13:48:43,588 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 13:48:43,588 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 13:48:43,590 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 13:48:43,590 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-13 13:48:43,591 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 13:48:43,591 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 13:48:43,592 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 13:48:43,661 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-13 13:48:43,661 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-13 13:48:43,662 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-13 13:48:43,665 WARN L623 FunctionHandler]: Unknown extern function ntohl [2022-12-13 13:48:43,667 WARN L623 FunctionHandler]: Unknown extern function htons [2022-12-13 13:48:43,667 WARN L623 FunctionHandler]: Unknown extern function ntohs [2022-12-13 13:48:43,886 WARN L623 FunctionHandler]: Unknown extern function my_abort [2022-12-13 13:48:43,886 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-12-13 13:48:43,887 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-12-13 13:48:43,888 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-12-13 13:48:43,889 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-12-13 13:48:43,890 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-12-13 13:48:43,890 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-12-13 13:48:43,891 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-12-13 13:48:43,892 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-12-13 13:48:43,892 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-12-13 13:48:43,893 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-12-13 13:48:44,023 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 13:48:44,025 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-13 13:48:44,027 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-13 13:48:44,028 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-13 13:48:44,029 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 13:48:44,030 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-13 13:48:44,034 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-13 13:48:44,034 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-13 13:48:44,034 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-13 13:48:44,035 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-13 13:48:44,035 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-13 13:48:44,035 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-13 13:48:44,067 WARN L623 FunctionHandler]: Unknown extern function fprintf [2022-12-13 13:48:44,072 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 13:48:44,072 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 13:48:44,075 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 13:48:44,103 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 13:48:44,114 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_0218c9e6-926b-4cb7-8614-5a243be8cd3e/sv-benchmarks/c/aws-c-common/aws_array_list_get_at_harness.i[4495,4508] [2022-12-13 13:48:44,114 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_0218c9e6-926b-4cb7-8614-5a243be8cd3e/sv-benchmarks/c/aws-c-common/aws_array_list_get_at_harness.i[4555,4568] [2022-12-13 13:48:44,157 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-12-13 13:48:44,167 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-13 13:48:44,169 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 13:48:44,169 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 13:48:44,169 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 13:48:44,170 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 13:48:44,170 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 13:48:44,171 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-13 13:48:44,175 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 13:48:44,175 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-13 13:48:44,176 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 13:48:44,177 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 13:48:44,177 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 13:48:44,178 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 13:48:44,178 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-13 13:48:44,178 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 13:48:44,179 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 13:48:44,179 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 13:48:44,184 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-13 13:48:44,185 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-13 13:48:44,185 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-13 13:48:44,188 WARN L623 FunctionHandler]: Unknown extern function ntohl [2022-12-13 13:48:44,189 WARN L623 FunctionHandler]: Unknown extern function htons [2022-12-13 13:48:44,189 WARN L623 FunctionHandler]: Unknown extern function ntohs [2022-12-13 13:48:44,205 WARN L623 FunctionHandler]: Unknown extern function my_abort [2022-12-13 13:48:44,206 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-12-13 13:48:44,207 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-12-13 13:48:44,207 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-12-13 13:48:44,208 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-12-13 13:48:44,209 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-12-13 13:48:44,209 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-12-13 13:48:44,209 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-12-13 13:48:44,210 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-12-13 13:48:44,210 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-12-13 13:48:44,211 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-12-13 13:48:44,232 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 13:48:44,233 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-13 13:48:44,235 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-13 13:48:44,235 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-13 13:48:44,236 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 13:48:44,238 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-13 13:48:44,239 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-13 13:48:44,239 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-13 13:48:44,239 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-13 13:48:44,240 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-13 13:48:44,240 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-13 13:48:44,240 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-13 13:48:44,253 WARN L623 FunctionHandler]: Unknown extern function fprintf [2022-12-13 13:48:44,255 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 13:48:44,255 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 13:48:44,256 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 13:48:44,390 INFO L208 MainTranslator]: Completed translation [2022-12-13 13:48:44,390 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:48:44 WrapperNode [2022-12-13 13:48:44,391 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 13:48:44,391 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 13:48:44,391 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 13:48:44,391 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 13:48:44,397 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:48:44" (1/1) ... [2022-12-13 13:48:44,432 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:48:44" (1/1) ... [2022-12-13 13:48:44,465 INFO L138 Inliner]: procedures = 691, calls = 1681, calls flagged for inlining = 53, calls inlined = 9, statements flattened = 654 [2022-12-13 13:48:44,465 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 13:48:44,466 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 13:48:44,466 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 13:48:44,466 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 13:48:44,473 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:48:44" (1/1) ... [2022-12-13 13:48:44,473 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:48:44" (1/1) ... [2022-12-13 13:48:44,477 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:48:44" (1/1) ... [2022-12-13 13:48:44,477 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:48:44" (1/1) ... [2022-12-13 13:48:44,494 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:48:44" (1/1) ... [2022-12-13 13:48:44,497 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:48:44" (1/1) ... [2022-12-13 13:48:44,500 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:48:44" (1/1) ... [2022-12-13 13:48:44,503 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:48:44" (1/1) ... [2022-12-13 13:48:44,509 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 13:48:44,509 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 13:48:44,509 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 13:48:44,510 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 13:48:44,510 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:48:44" (1/1) ... [2022-12-13 13:48:44,515 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 13:48:44,524 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0218c9e6-926b-4cb7-8614-5a243be8cd3e/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 13:48:44,535 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0218c9e6-926b-4cb7-8614-5a243be8cd3e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 13:48:44,537 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0218c9e6-926b-4cb7-8614-5a243be8cd3e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 13:48:44,565 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 13:48:44,565 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2022-12-13 13:48:44,565 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2022-12-13 13:48:44,565 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2022-12-13 13:48:44,565 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2022-12-13 13:48:44,565 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2022-12-13 13:48:44,565 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2022-12-13 13:48:44,565 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-13 13:48:44,565 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2022-12-13 13:48:44,565 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2022-12-13 13:48:44,566 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-12-13 13:48:44,566 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-12-13 13:48:44,566 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-13 13:48:44,566 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 13:48:44,566 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-13 13:48:44,566 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2022-12-13 13:48:44,566 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2022-12-13 13:48:44,566 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 13:48:44,566 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 13:48:44,566 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2022-12-13 13:48:44,566 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2022-12-13 13:48:44,566 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2022-12-13 13:48:44,566 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2022-12-13 13:48:44,567 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2022-12-13 13:48:44,567 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2022-12-13 13:48:44,567 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2022-12-13 13:48:44,567 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2022-12-13 13:48:44,567 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_length [2022-12-13 13:48:44,567 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_length [2022-12-13 13:48:44,567 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-12-13 13:48:44,567 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-12-13 13:48:44,567 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2022-12-13 13:48:44,567 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2022-12-13 13:48:44,567 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 13:48:44,567 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-13 13:48:44,567 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-13 13:48:44,567 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2022-12-13 13:48:44,567 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2022-12-13 13:48:44,568 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2022-12-13 13:48:44,568 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2022-12-13 13:48:44,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 13:48:44,568 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2022-12-13 13:48:44,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2022-12-13 13:48:44,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 13:48:44,785 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 13:48:44,787 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 13:48:45,368 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 13:48:45,375 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 13:48:45,375 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-13 13:48:45,377 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 01:48:45 BoogieIcfgContainer [2022-12-13 13:48:45,377 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 13:48:45,379 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 13:48:45,379 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 13:48:45,381 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 13:48:45,381 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 01:48:42" (1/3) ... [2022-12-13 13:48:45,382 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b609d20 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 01:48:45, skipping insertion in model container [2022-12-13 13:48:45,382 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:48:44" (2/3) ... [2022-12-13 13:48:45,382 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b609d20 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 01:48:45, skipping insertion in model container [2022-12-13 13:48:45,382 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 01:48:45" (3/3) ... [2022-12-13 13:48:45,383 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_array_list_get_at_harness.i [2022-12-13 13:48:45,397 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 13:48:45,397 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-13 13:48:45,440 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 13:48:45,446 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=PETRI_NET, 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;@3222e05b, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 13:48:45,446 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-13 13:48:45,450 INFO L276 IsEmpty]: Start isEmpty. Operand has 178 states, 108 states have (on average 1.212962962962963) internal successors, (131), 109 states have internal predecessors, (131), 52 states have call successors, (52), 16 states have call predecessors, (52), 16 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2022-12-13 13:48:45,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-12-13 13:48:45,461 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 13:48:45,462 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:48:45,462 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 13:48:45,466 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:48:45,466 INFO L85 PathProgramCache]: Analyzing trace with hash -1881445885, now seen corresponding path program 1 times [2022-12-13 13:48:45,473 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:48:45,473 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [251556880] [2022-12-13 13:48:45,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:48:45,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:48:45,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:48:45,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 13:48:45,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:48:45,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:48:45,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:48:45,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 13:48:45,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:48:45,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 13:48:45,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:48:45,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-12-13 13:48:46,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:48:46,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-12-13 13:48:46,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:48:46,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 13:48:46,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:48:46,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-12-13 13:48:46,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:48:46,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-12-13 13:48:46,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:48:46,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:48:46,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:48:46,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-12-13 13:48:46,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:48:46,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-12-13 13:48:46,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:48:46,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-12-13 13:48:46,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:48:46,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-12-13 13:48:46,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:48:46,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-12-13 13:48:46,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:48:46,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-12-13 13:48:46,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:48:46,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-12-13 13:48:46,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:48:46,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-12-13 13:48:46,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:48:46,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-12-13 13:48:46,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:48:46,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-12-13 13:48:46,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:48:46,133 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2022-12-13 13:48:46,134 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:48:46,134 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [251556880] [2022-12-13 13:48:46,135 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [251556880] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:48:46,135 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:48:46,135 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 13:48:46,136 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1805602885] [2022-12-13 13:48:46,137 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:48:46,141 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 13:48:46,141 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:48:46,169 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 13:48:46,169 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-12-13 13:48:46,172 INFO L87 Difference]: Start difference. First operand has 178 states, 108 states have (on average 1.212962962962963) internal successors, (131), 109 states have internal predecessors, (131), 52 states have call successors, (52), 16 states have call predecessors, (52), 16 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) Second operand has 5 states, 5 states have (on average 8.6) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (22), 5 states have call predecessors, (22), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-12-13 13:48:46,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 13:48:46,599 INFO L93 Difference]: Finished difference Result 370 states and 533 transitions. [2022-12-13 13:48:46,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 13:48:46,601 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (22), 5 states have call predecessors, (22), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 124 [2022-12-13 13:48:46,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 13:48:46,612 INFO L225 Difference]: With dead ends: 370 [2022-12-13 13:48:46,612 INFO L226 Difference]: Without dead ends: 190 [2022-12-13 13:48:46,617 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-12-13 13:48:46,620 INFO L413 NwaCegarLoop]: 159 mSDtfsCounter, 117 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 148 mSolverCounterSat, 127 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 128 SdHoareTripleChecker+Valid, 231 SdHoareTripleChecker+Invalid, 275 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 127 IncrementalHoareTripleChecker+Valid, 148 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-12-13 13:48:46,621 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [128 Valid, 231 Invalid, 275 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [127 Valid, 148 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-12-13 13:48:46,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 190 states. [2022-12-13 13:48:46,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 190 to 169. [2022-12-13 13:48:46,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 169 states, 101 states have (on average 1.1683168316831682) internal successors, (118), 102 states have internal predecessors, (118), 52 states have call successors, (52), 16 states have call predecessors, (52), 15 states have return successors, (50), 50 states have call predecessors, (50), 50 states have call successors, (50) [2022-12-13 13:48:46,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 220 transitions. [2022-12-13 13:48:46,661 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 220 transitions. Word has length 124 [2022-12-13 13:48:46,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 13:48:46,661 INFO L495 AbstractCegarLoop]: Abstraction has 169 states and 220 transitions. [2022-12-13 13:48:46,662 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (22), 5 states have call predecessors, (22), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-12-13 13:48:46,662 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 220 transitions. [2022-12-13 13:48:46,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-12-13 13:48:46,664 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 13:48:46,664 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:48:46,664 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 13:48:46,665 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 13:48:46,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:48:46,665 INFO L85 PathProgramCache]: Analyzing trace with hash -1730209477, now seen corresponding path program 1 times [2022-12-13 13:48:46,665 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:48:46,665 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1548998392] [2022-12-13 13:48:46,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:48:46,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:48:46,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:48:46,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 13:48:46,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:48:46,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:48:46,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:48:46,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 13:48:46,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:48:46,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 13:48:46,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:48:46,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-12-13 13:48:46,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:48:46,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-12-13 13:48:46,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:48:47,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 13:48:47,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:48:47,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-12-13 13:48:47,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:48:47,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-12-13 13:48:47,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:48:47,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:48:47,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:48:47,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-12-13 13:48:47,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:48:47,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-12-13 13:48:47,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:48:47,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-12-13 13:48:47,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:48:47,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-12-13 13:48:47,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:48:47,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-12-13 13:48:47,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:48:47,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-12-13 13:48:47,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:48:47,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-12-13 13:48:47,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:48:47,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-12-13 13:48:47,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:48:47,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-12-13 13:48:47,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:48:47,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-12-13 13:48:47,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:48:47,172 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2022-12-13 13:48:47,172 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:48:47,172 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1548998392] [2022-12-13 13:48:47,172 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1548998392] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 13:48:47,173 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2016786488] [2022-12-13 13:48:47,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:48:47,173 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 13:48:47,173 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0218c9e6-926b-4cb7-8614-5a243be8cd3e/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 13:48:47,174 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0218c9e6-926b-4cb7-8614-5a243be8cd3e/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 13:48:47,175 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0218c9e6-926b-4cb7-8614-5a243be8cd3e/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-13 13:48:47,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:48:47,512 INFO L263 TraceCheckSpWp]: Trace formula consists of 2239 conjuncts, 5 conjunts are in the unsatisfiable core [2022-12-13 13:48:47,521 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 13:48:47,606 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 140 trivial. 0 not checked. [2022-12-13 13:48:47,607 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 13:48:47,607 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2016786488] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:48:47,607 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 13:48:47,607 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [8] total 12 [2022-12-13 13:48:47,608 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [102016464] [2022-12-13 13:48:47,608 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:48:47,609 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 13:48:47,609 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:48:47,610 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 13:48:47,610 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2022-12-13 13:48:47,610 INFO L87 Difference]: Start difference. First operand 169 states and 220 transitions. Second operand has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 6 states have internal predecessors, (49), 3 states have call successors, (22), 2 states have call predecessors, (22), 3 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2022-12-13 13:48:47,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 13:48:47,860 INFO L93 Difference]: Finished difference Result 311 states and 411 transitions. [2022-12-13 13:48:47,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 13:48:47,861 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 6 states have internal predecessors, (49), 3 states have call successors, (22), 2 states have call predecessors, (22), 3 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 124 [2022-12-13 13:48:47,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 13:48:47,862 INFO L225 Difference]: With dead ends: 311 [2022-12-13 13:48:47,862 INFO L226 Difference]: Without dead ends: 171 [2022-12-13 13:48:47,863 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 170 GetRequests, 157 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=168, Unknown=0, NotChecked=0, Total=210 [2022-12-13 13:48:47,864 INFO L413 NwaCegarLoop]: 170 mSDtfsCounter, 229 mSDsluCounter, 448 mSDsCounter, 0 mSdLazyCounter, 179 mSolverCounterSat, 74 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 233 SdHoareTripleChecker+Valid, 618 SdHoareTripleChecker+Invalid, 253 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 74 IncrementalHoareTripleChecker+Valid, 179 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-13 13:48:47,864 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [233 Valid, 618 Invalid, 253 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [74 Valid, 179 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-13 13:48:47,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2022-12-13 13:48:47,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 171. [2022-12-13 13:48:47,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 171 states, 102 states have (on average 1.1666666666666667) internal successors, (119), 104 states have internal predecessors, (119), 52 states have call successors, (52), 16 states have call predecessors, (52), 16 states have return successors, (55), 50 states have call predecessors, (55), 50 states have call successors, (55) [2022-12-13 13:48:47,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 226 transitions. [2022-12-13 13:48:47,879 INFO L78 Accepts]: Start accepts. Automaton has 171 states and 226 transitions. Word has length 124 [2022-12-13 13:48:47,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 13:48:47,879 INFO L495 AbstractCegarLoop]: Abstraction has 171 states and 226 transitions. [2022-12-13 13:48:47,879 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 6 states have internal predecessors, (49), 3 states have call successors, (22), 2 states have call predecessors, (22), 3 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2022-12-13 13:48:47,879 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 226 transitions. [2022-12-13 13:48:47,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2022-12-13 13:48:47,881 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 13:48:47,881 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 5, 5, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:48:47,890 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0218c9e6-926b-4cb7-8614-5a243be8cd3e/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-13 13:48:48,082 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0218c9e6-926b-4cb7-8614-5a243be8cd3e/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 13:48:48,083 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 13:48:48,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:48:48,084 INFO L85 PathProgramCache]: Analyzing trace with hash -1300515237, now seen corresponding path program 1 times [2022-12-13 13:48:48,084 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:48:48,084 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [645981164] [2022-12-13 13:48:48,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:48:48,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:48:48,268 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-13 13:48:48,268 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1673536826] [2022-12-13 13:48:48,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:48:48,268 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 13:48:48,268 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0218c9e6-926b-4cb7-8614-5a243be8cd3e/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 13:48:48,269 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0218c9e6-926b-4cb7-8614-5a243be8cd3e/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 13:48:48,270 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0218c9e6-926b-4cb7-8614-5a243be8cd3e/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-13 13:48:48,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:48:48,657 INFO L263 TraceCheckSpWp]: Trace formula consists of 2521 conjuncts, 7 conjunts are in the unsatisfiable core [2022-12-13 13:48:48,662 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 13:48:48,718 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 126 proven. 0 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2022-12-13 13:48:48,718 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 13:48:48,718 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:48:48,718 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [645981164] [2022-12-13 13:48:48,718 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-13 13:48:48,718 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1673536826] [2022-12-13 13:48:48,718 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1673536826] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:48:48,719 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:48:48,719 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-13 13:48:48,719 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [281268306] [2022-12-13 13:48:48,719 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:48:48,719 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-13 13:48:48,719 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:48:48,720 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-13 13:48:48,720 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-12-13 13:48:48,720 INFO L87 Difference]: Start difference. First operand 171 states and 226 transitions. Second operand has 7 states, 6 states have (on average 10.5) internal successors, (63), 7 states have internal predecessors, (63), 4 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (22), 3 states have call predecessors, (22), 4 states have call successors, (22) [2022-12-13 13:48:48,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 13:48:48,955 INFO L93 Difference]: Finished difference Result 279 states and 368 transitions. [2022-12-13 13:48:48,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 13:48:48,955 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 10.5) internal successors, (63), 7 states have internal predecessors, (63), 4 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (22), 3 states have call predecessors, (22), 4 states have call successors, (22) Word has length 154 [2022-12-13 13:48:48,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 13:48:48,957 INFO L225 Difference]: With dead ends: 279 [2022-12-13 13:48:48,957 INFO L226 Difference]: Without dead ends: 171 [2022-12-13 13:48:48,958 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2022-12-13 13:48:48,959 INFO L413 NwaCegarLoop]: 168 mSDtfsCounter, 245 mSDsluCounter, 579 mSDsCounter, 0 mSdLazyCounter, 227 mSolverCounterSat, 80 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 249 SdHoareTripleChecker+Valid, 747 SdHoareTripleChecker+Invalid, 307 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 80 IncrementalHoareTripleChecker+Valid, 227 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-13 13:48:48,959 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [249 Valid, 747 Invalid, 307 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [80 Valid, 227 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-13 13:48:48,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2022-12-13 13:48:48,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 171. [2022-12-13 13:48:48,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 171 states, 102 states have (on average 1.1666666666666667) internal successors, (119), 104 states have internal predecessors, (119), 52 states have call successors, (52), 16 states have call predecessors, (52), 16 states have return successors, (52), 50 states have call predecessors, (52), 50 states have call successors, (52) [2022-12-13 13:48:48,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 223 transitions. [2022-12-13 13:48:48,981 INFO L78 Accepts]: Start accepts. Automaton has 171 states and 223 transitions. Word has length 154 [2022-12-13 13:48:48,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 13:48:48,982 INFO L495 AbstractCegarLoop]: Abstraction has 171 states and 223 transitions. [2022-12-13 13:48:48,982 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 10.5) internal successors, (63), 7 states have internal predecessors, (63), 4 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (22), 3 states have call predecessors, (22), 4 states have call successors, (22) [2022-12-13 13:48:48,983 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 223 transitions. [2022-12-13 13:48:48,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2022-12-13 13:48:48,986 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 13:48:48,986 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:48:48,995 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0218c9e6-926b-4cb7-8614-5a243be8cd3e/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-12-13 13:48:49,187 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0218c9e6-926b-4cb7-8614-5a243be8cd3e/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 13:48:49,187 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 13:48:49,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:48:49,188 INFO L85 PathProgramCache]: Analyzing trace with hash 1091978033, now seen corresponding path program 2 times [2022-12-13 13:48:49,188 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:48:49,188 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1844531614] [2022-12-13 13:48:49,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:48:49,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:48:49,250 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-13 13:48:49,250 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1293605955] [2022-12-13 13:48:49,250 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-12-13 13:48:49,250 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 13:48:49,251 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0218c9e6-926b-4cb7-8614-5a243be8cd3e/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 13:48:49,252 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0218c9e6-926b-4cb7-8614-5a243be8cd3e/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 13:48:49,253 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0218c9e6-926b-4cb7-8614-5a243be8cd3e/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-12-13 13:48:49,657 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-12-13 13:48:49,657 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-13 13:48:49,665 INFO L263 TraceCheckSpWp]: Trace formula consists of 2662 conjuncts, 9 conjunts are in the unsatisfiable core [2022-12-13 13:48:49,669 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 13:48:49,762 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 253 trivial. 0 not checked. [2022-12-13 13:48:49,762 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 13:48:49,762 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:48:49,763 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1844531614] [2022-12-13 13:48:49,763 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-13 13:48:49,763 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1293605955] [2022-12-13 13:48:49,763 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1293605955] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:48:49,763 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:48:49,763 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-12-13 13:48:49,763 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [462493333] [2022-12-13 13:48:49,763 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:48:49,764 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 13:48:49,764 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:48:49,764 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 13:48:49,764 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-12-13 13:48:49,765 INFO L87 Difference]: Start difference. First operand 171 states and 223 transitions. Second operand has 9 states, 9 states have (on average 6.444444444444445) internal successors, (58), 8 states have internal predecessors, (58), 5 states have call successors, (24), 3 states have call predecessors, (24), 2 states have return successors, (22), 5 states have call predecessors, (22), 4 states have call successors, (22) [2022-12-13 13:48:50,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 13:48:50,070 INFO L93 Difference]: Finished difference Result 268 states and 345 transitions. [2022-12-13 13:48:50,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-13 13:48:50,070 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.444444444444445) internal successors, (58), 8 states have internal predecessors, (58), 5 states have call successors, (24), 3 states have call predecessors, (24), 2 states have return successors, (22), 5 states have call predecessors, (22), 4 states have call successors, (22) Word has length 169 [2022-12-13 13:48:50,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 13:48:50,072 INFO L225 Difference]: With dead ends: 268 [2022-12-13 13:48:50,072 INFO L226 Difference]: Without dead ends: 169 [2022-12-13 13:48:50,073 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 175 GetRequests, 162 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=165, Unknown=0, NotChecked=0, Total=210 [2022-12-13 13:48:50,074 INFO L413 NwaCegarLoop]: 162 mSDtfsCounter, 246 mSDsluCounter, 845 mSDsCounter, 0 mSdLazyCounter, 382 mSolverCounterSat, 91 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 246 SdHoareTripleChecker+Valid, 1007 SdHoareTripleChecker+Invalid, 473 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 91 IncrementalHoareTripleChecker+Valid, 382 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-13 13:48:50,074 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [246 Valid, 1007 Invalid, 473 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [91 Valid, 382 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-13 13:48:50,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states. [2022-12-13 13:48:50,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 169. [2022-12-13 13:48:50,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 169 states, 101 states have (on average 1.1584158415841583) internal successors, (117), 102 states have internal predecessors, (117), 52 states have call successors, (52), 16 states have call predecessors, (52), 15 states have return successors, (50), 50 states have call predecessors, (50), 50 states have call successors, (50) [2022-12-13 13:48:50,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 219 transitions. [2022-12-13 13:48:50,092 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 219 transitions. Word has length 169 [2022-12-13 13:48:50,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 13:48:50,093 INFO L495 AbstractCegarLoop]: Abstraction has 169 states and 219 transitions. [2022-12-13 13:48:50,093 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.444444444444445) internal successors, (58), 8 states have internal predecessors, (58), 5 states have call successors, (24), 3 states have call predecessors, (24), 2 states have return successors, (22), 5 states have call predecessors, (22), 4 states have call successors, (22) [2022-12-13 13:48:50,093 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 219 transitions. [2022-12-13 13:48:50,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-12-13 13:48:50,095 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 13:48:50,095 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:48:50,105 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0218c9e6-926b-4cb7-8614-5a243be8cd3e/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-12-13 13:48:50,296 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0218c9e6-926b-4cb7-8614-5a243be8cd3e/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 13:48:50,297 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 13:48:50,298 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:48:50,298 INFO L85 PathProgramCache]: Analyzing trace with hash -1928427287, now seen corresponding path program 1 times [2022-12-13 13:48:50,299 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:48:50,299 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1673588042] [2022-12-13 13:48:50,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:48:50,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:48:50,472 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-13 13:48:50,472 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1744153171] [2022-12-13 13:48:50,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:48:50,472 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 13:48:50,472 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0218c9e6-926b-4cb7-8614-5a243be8cd3e/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 13:48:50,473 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0218c9e6-926b-4cb7-8614-5a243be8cd3e/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 13:48:50,474 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0218c9e6-926b-4cb7-8614-5a243be8cd3e/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-12-13 13:48:50,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:48:50,857 INFO L263 TraceCheckSpWp]: Trace formula consists of 2944 conjuncts, 26 conjunts are in the unsatisfiable core [2022-12-13 13:48:50,862 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 13:48:50,959 INFO L134 CoverageAnalysis]: Checked inductivity of 370 backedges. 198 proven. 0 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked. [2022-12-13 13:48:50,959 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 13:48:50,960 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:48:50,960 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1673588042] [2022-12-13 13:48:50,960 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-13 13:48:50,960 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1744153171] [2022-12-13 13:48:50,960 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1744153171] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:48:50,960 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:48:50,960 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-13 13:48:50,960 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1225716847] [2022-12-13 13:48:50,960 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:48:50,961 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-12-13 13:48:50,961 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:48:50,961 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-12-13 13:48:50,961 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-12-13 13:48:50,962 INFO L87 Difference]: Start difference. First operand 169 states and 219 transitions. Second operand has 8 states, 8 states have (on average 8.875) internal successors, (71), 7 states have internal predecessors, (71), 4 states have call successors, (26), 2 states have call predecessors, (26), 3 states have return successors, (24), 5 states have call predecessors, (24), 4 states have call successors, (24) [2022-12-13 13:48:51,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 13:48:51,065 INFO L93 Difference]: Finished difference Result 329 states and 436 transitions. [2022-12-13 13:48:51,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-13 13:48:51,066 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.875) internal successors, (71), 7 states have internal predecessors, (71), 4 states have call successors, (26), 2 states have call predecessors, (26), 3 states have return successors, (24), 5 states have call predecessors, (24), 4 states have call successors, (24) Word has length 199 [2022-12-13 13:48:51,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 13:48:51,068 INFO L225 Difference]: With dead ends: 329 [2022-12-13 13:48:51,068 INFO L226 Difference]: Without dead ends: 226 [2022-12-13 13:48:51,068 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 200 GetRequests, 192 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2022-12-13 13:48:51,069 INFO L413 NwaCegarLoop]: 246 mSDtfsCounter, 50 mSDsluCounter, 1404 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 1650 SdHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 13:48:51,069 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 1650 Invalid, 103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 13:48:51,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states. [2022-12-13 13:48:51,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 188. [2022-12-13 13:48:51,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 188 states, 113 states have (on average 1.1592920353982301) internal successors, (131), 114 states have internal predecessors, (131), 58 states have call successors, (58), 16 states have call predecessors, (58), 16 states have return successors, (57), 57 states have call predecessors, (57), 56 states have call successors, (57) [2022-12-13 13:48:51,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 188 states and 246 transitions. [2022-12-13 13:48:51,082 INFO L78 Accepts]: Start accepts. Automaton has 188 states and 246 transitions. Word has length 199 [2022-12-13 13:48:51,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 13:48:51,082 INFO L495 AbstractCegarLoop]: Abstraction has 188 states and 246 transitions. [2022-12-13 13:48:51,082 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.875) internal successors, (71), 7 states have internal predecessors, (71), 4 states have call successors, (26), 2 states have call predecessors, (26), 3 states have return successors, (24), 5 states have call predecessors, (24), 4 states have call successors, (24) [2022-12-13 13:48:51,082 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 246 transitions. [2022-12-13 13:48:51,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-12-13 13:48:51,084 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 13:48:51,084 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:48:51,092 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0218c9e6-926b-4cb7-8614-5a243be8cd3e/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-12-13 13:48:51,285 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0218c9e6-926b-4cb7-8614-5a243be8cd3e/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 13:48:51,286 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 13:48:51,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:48:51,288 INFO L85 PathProgramCache]: Analyzing trace with hash 1634572583, now seen corresponding path program 1 times [2022-12-13 13:48:51,288 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:48:51,289 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [352521553] [2022-12-13 13:48:51,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:48:51,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:48:51,370 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-13 13:48:51,370 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2137207248] [2022-12-13 13:48:51,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:48:51,371 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 13:48:51,371 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0218c9e6-926b-4cb7-8614-5a243be8cd3e/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 13:48:51,372 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0218c9e6-926b-4cb7-8614-5a243be8cd3e/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 13:48:51,372 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0218c9e6-926b-4cb7-8614-5a243be8cd3e/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-12-13 13:48:51,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:48:51,944 INFO L263 TraceCheckSpWp]: Trace formula consists of 2941 conjuncts, 12 conjunts are in the unsatisfiable core [2022-12-13 13:48:51,947 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 13:48:52,021 INFO L134 CoverageAnalysis]: Checked inductivity of 370 backedges. 198 proven. 0 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked. [2022-12-13 13:48:52,022 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 13:48:52,022 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:48:52,022 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [352521553] [2022-12-13 13:48:52,022 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-13 13:48:52,022 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2137207248] [2022-12-13 13:48:52,022 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2137207248] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:48:52,022 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:48:52,023 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 13:48:52,023 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [258633507] [2022-12-13 13:48:52,023 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:48:52,023 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 13:48:52,024 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:48:52,024 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 13:48:52,024 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-13 13:48:52,025 INFO L87 Difference]: Start difference. First operand 188 states and 246 transitions. Second operand has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 6 states have internal predecessors, (71), 4 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) [2022-12-13 13:48:52,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 13:48:52,153 INFO L93 Difference]: Finished difference Result 339 states and 451 transitions. [2022-12-13 13:48:52,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 13:48:52,154 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 6 states have internal predecessors, (71), 4 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) Word has length 199 [2022-12-13 13:48:52,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 13:48:52,156 INFO L225 Difference]: With dead ends: 339 [2022-12-13 13:48:52,156 INFO L226 Difference]: Without dead ends: 230 [2022-12-13 13:48:52,157 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 201 GetRequests, 194 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2022-12-13 13:48:52,157 INFO L413 NwaCegarLoop]: 262 mSDtfsCounter, 46 mSDsluCounter, 934 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 1196 SdHoareTripleChecker+Invalid, 105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 13:48:52,158 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 1196 Invalid, 105 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 13:48:52,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230 states. [2022-12-13 13:48:52,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 230 to 194. [2022-12-13 13:48:52,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 194 states, 116 states have (on average 1.146551724137931) internal successors, (133), 117 states have internal predecessors, (133), 61 states have call successors, (61), 16 states have call predecessors, (61), 16 states have return successors, (60), 60 states have call predecessors, (60), 59 states have call successors, (60) [2022-12-13 13:48:52,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 254 transitions. [2022-12-13 13:48:52,180 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 254 transitions. Word has length 199 [2022-12-13 13:48:52,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 13:48:52,180 INFO L495 AbstractCegarLoop]: Abstraction has 194 states and 254 transitions. [2022-12-13 13:48:52,180 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 6 states have internal predecessors, (71), 4 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) [2022-12-13 13:48:52,180 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 254 transitions. [2022-12-13 13:48:52,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-12-13 13:48:52,182 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 13:48:52,182 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:48:52,190 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0218c9e6-926b-4cb7-8614-5a243be8cd3e/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2022-12-13 13:48:52,383 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0218c9e6-926b-4cb7-8614-5a243be8cd3e/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 13:48:52,384 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 13:48:52,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:48:52,385 INFO L85 PathProgramCache]: Analyzing trace with hash -1629353815, now seen corresponding path program 1 times [2022-12-13 13:48:52,386 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:48:52,386 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [873366472] [2022-12-13 13:48:52,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:48:52,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:48:52,517 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-13 13:48:52,517 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1433675193] [2022-12-13 13:48:52,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:48:52,517 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 13:48:52,518 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0218c9e6-926b-4cb7-8614-5a243be8cd3e/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 13:48:52,518 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0218c9e6-926b-4cb7-8614-5a243be8cd3e/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 13:48:52,519 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0218c9e6-926b-4cb7-8614-5a243be8cd3e/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-12-13 13:48:52,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:48:52,981 INFO L263 TraceCheckSpWp]: Trace formula consists of 2938 conjuncts, 21 conjunts are in the unsatisfiable core [2022-12-13 13:48:52,986 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 13:48:53,009 INFO L134 CoverageAnalysis]: Checked inductivity of 370 backedges. 225 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2022-12-13 13:48:53,009 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 13:48:53,009 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:48:53,009 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [873366472] [2022-12-13 13:48:53,009 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-13 13:48:53,009 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1433675193] [2022-12-13 13:48:53,009 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1433675193] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:48:53,009 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:48:53,009 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 13:48:53,010 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1537126878] [2022-12-13 13:48:53,010 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:48:53,010 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 13:48:53,010 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:48:53,010 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 13:48:53,010 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 13:48:53,011 INFO L87 Difference]: Start difference. First operand 194 states and 254 transitions. Second operand has 5 states, 4 states have (on average 18.5) internal successors, (74), 5 states have internal predecessors, (74), 3 states have call successors, (26), 2 states have call predecessors, (26), 3 states have return successors, (24), 2 states have call predecessors, (24), 3 states have call successors, (24) [2022-12-13 13:48:53,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 13:48:53,092 INFO L93 Difference]: Finished difference Result 297 states and 385 transitions. [2022-12-13 13:48:53,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 13:48:53,093 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 18.5) internal successors, (74), 5 states have internal predecessors, (74), 3 states have call successors, (26), 2 states have call predecessors, (26), 3 states have return successors, (24), 2 states have call predecessors, (24), 3 states have call successors, (24) Word has length 199 [2022-12-13 13:48:53,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 13:48:53,094 INFO L225 Difference]: With dead ends: 297 [2022-12-13 13:48:53,094 INFO L226 Difference]: Without dead ends: 169 [2022-12-13 13:48:53,094 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 199 GetRequests, 195 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-12-13 13:48:53,095 INFO L413 NwaCegarLoop]: 202 mSDtfsCounter, 2 mSDsluCounter, 566 mSDsCounter, 0 mSdLazyCounter, 98 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 768 SdHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 98 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 13:48:53,095 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 768 Invalid, 98 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 98 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 13:48:53,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states. [2022-12-13 13:48:53,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 169. [2022-12-13 13:48:53,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 169 states, 101 states have (on average 1.1287128712871286) internal successors, (114), 102 states have internal predecessors, (114), 52 states have call successors, (52), 16 states have call predecessors, (52), 15 states have return successors, (50), 50 states have call predecessors, (50), 50 states have call successors, (50) [2022-12-13 13:48:53,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 216 transitions. [2022-12-13 13:48:53,105 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 216 transitions. Word has length 199 [2022-12-13 13:48:53,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 13:48:53,105 INFO L495 AbstractCegarLoop]: Abstraction has 169 states and 216 transitions. [2022-12-13 13:48:53,105 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 18.5) internal successors, (74), 5 states have internal predecessors, (74), 3 states have call successors, (26), 2 states have call predecessors, (26), 3 states have return successors, (24), 2 states have call predecessors, (24), 3 states have call successors, (24) [2022-12-13 13:48:53,105 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 216 transitions. [2022-12-13 13:48:53,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2022-12-13 13:48:53,106 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 13:48:53,106 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:48:53,116 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0218c9e6-926b-4cb7-8614-5a243be8cd3e/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2022-12-13 13:48:53,306 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0218c9e6-926b-4cb7-8614-5a243be8cd3e/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2022-12-13 13:48:53,307 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 13:48:53,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:48:53,307 INFO L85 PathProgramCache]: Analyzing trace with hash 140333254, now seen corresponding path program 1 times [2022-12-13 13:48:53,307 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:48:53,308 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [160078833] [2022-12-13 13:48:53,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:48:53,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:48:53,357 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-13 13:48:53,357 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1916943679] [2022-12-13 13:48:53,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:48:53,358 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 13:48:53,358 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0218c9e6-926b-4cb7-8614-5a243be8cd3e/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 13:48:53,359 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0218c9e6-926b-4cb7-8614-5a243be8cd3e/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 13:48:53,360 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0218c9e6-926b-4cb7-8614-5a243be8cd3e/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-12-13 13:48:54,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:48:54,102 INFO L263 TraceCheckSpWp]: Trace formula consists of 2979 conjuncts, 369 conjunts are in the unsatisfiable core [2022-12-13 13:48:54,113 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 13:48:54,135 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 [2022-12-13 13:48:54,241 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-13 13:48:54,269 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-13 13:48:54,398 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((|v___CPROVER_overflow_mult_~#c~1.base_54| Int) (v_ArrVal_898 Int)) (and (= |c_#valid| (store |c_old(#valid)| |v___CPROVER_overflow_mult_~#c~1.base_54| v_ArrVal_898)) (= (select |c_old(#valid)| |v___CPROVER_overflow_mult_~#c~1.base_54|) 0))) (exists ((v_ArrVal_899 (Array Int Int))) (= (store |c_old(#memory_int)| |c_aws_mul_size_checked_#in~r#1.base| v_ArrVal_899) |c_#memory_int|))) is different from true [2022-12-13 13:48:54,418 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 6 treesize of output 5 [2022-12-13 13:48:54,543 INFO L321 Elim1Store]: treesize reduction 60, result has 24.1 percent of original size [2022-12-13 13:48:54,543 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 32 treesize of output 37 [2022-12-13 13:48:54,647 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-13 13:48:54,664 WARN L859 $PredicateComparison]: unable to prove that (exists ((|bounded_malloc_#res.base| Int)) (and (exists ((v_ArrVal_901 Int)) (= |c_#valid| (store |c_old(#valid)| |bounded_malloc_#res.base| v_ArrVal_901))) (< |bounded_malloc_#res.base| |c_#StackHeapBarrier|))) is different from true [2022-12-13 13:48:54,678 WARN L859 $PredicateComparison]: unable to prove that (exists ((|bounded_malloc_#res.base| Int) (v_ArrVal_901 Int)) (and (= |c_#valid| (store |c_old(#valid)| |bounded_malloc_#res.base| v_ArrVal_901)) (< |bounded_malloc_#res.base| |c_#StackHeapBarrier|))) is different from true [2022-12-13 13:48:54,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 13:48:54,703 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 14 [2022-12-13 13:48:54,738 INFO L321 Elim1Store]: treesize reduction 60, result has 24.1 percent of original size [2022-12-13 13:48:54,738 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 29 treesize of output 37 [2022-12-13 13:48:55,345 INFO L321 Elim1Store]: treesize reduction 136, result has 24.9 percent of original size [2022-12-13 13:48:55,346 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 12 case distinctions, treesize of input 42 treesize of output 69 [2022-12-13 13:48:55,358 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-13 13:48:58,250 INFO L321 Elim1Store]: treesize reduction 448, result has 32.0 percent of original size [2022-12-13 13:48:58,251 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 8 select indices, 8 select index equivalence classes, 3 disjoint index pairs (out of 28 index pairs), introduced 10 new quantified variables, introduced 41 case distinctions, treesize of input 189 treesize of output 408 [2022-12-13 13:48:58,277 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-13 13:48:58,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 13:48:58,287 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 153 treesize of output 172 [2022-12-13 13:49:39,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 13:49:39,392 INFO L321 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2022-12-13 13:49:39,392 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 68 treesize of output 48 [2022-12-13 13:49:41,474 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 17 [2022-12-13 13:49:41,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 13:49:41,672 INFO L321 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2022-12-13 13:49:41,672 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 8 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 68 treesize of output 48 [2022-12-13 13:49:43,754 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 17 [2022-12-13 13:49:43,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 13:49:43,961 INFO L321 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2022-12-13 13:49:43,962 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 68 treesize of output 48 [2022-12-13 13:49:46,069 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 17 [2022-12-13 13:49:46,329 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-13 13:49:46,331 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 48 [2022-12-13 13:49:48,492 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 17 [2022-12-13 13:49:48,776 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-13 13:49:48,779 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 48 [2022-12-13 13:49:50,867 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 17 [2022-12-13 13:49:51,113 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-13 13:49:51,127 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 48 [2022-12-13 13:49:53,202 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 17 [2022-12-13 13:49:53,453 INFO L321 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2022-12-13 13:49:53,454 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 68 treesize of output 48 [2022-12-13 13:49:55,598 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 17 [2022-12-13 13:49:55,709 INFO L321 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2022-12-13 13:49:55,709 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 68 treesize of output 48 [2022-12-13 13:49:57,821 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 17 [2022-12-13 13:49:58,068 INFO L321 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2022-12-13 13:49:58,069 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 68 treesize of output 48 [2022-12-13 13:50:00,211 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 17 [2022-12-13 13:50:00,611 INFO L321 Elim1Store]: treesize reduction 12, result has 60.0 percent of original size [2022-12-13 13:50:00,611 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 256 treesize of output 243 [2022-12-13 13:50:02,696 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 13 [2022-12-13 13:50:04,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 13:50:04,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 13:50:04,878 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 39 [2022-12-13 13:50:09,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 13:50:09,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 13:50:09,572 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 39 [2022-12-13 13:50:09,800 INFO L321 Elim1Store]: treesize reduction 12, result has 60.0 percent of original size [2022-12-13 13:50:09,800 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 250 treesize of output 237 [2022-12-13 13:50:11,385 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 13 [2022-12-13 13:50:11,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 13:50:11,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 13:50:11,525 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 39 [2022-12-13 13:50:15,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 13:50:15,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 13:50:15,861 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 39 [2022-12-13 13:50:20,099 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 17 [2022-12-13 13:50:20,447 INFO L321 Elim1Store]: treesize reduction 25, result has 16.7 percent of original size [2022-12-13 13:50:20,448 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 8 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 98 treesize of output 74 [2022-12-13 13:50:22,555 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 17 [2022-12-13 13:50:24,678 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 17 [2022-12-13 13:50:24,782 INFO L321 Elim1Store]: treesize reduction 25, result has 16.7 percent of original size [2022-12-13 13:50:24,782 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 98 treesize of output 74 [2022-12-13 13:50:26,812 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 17 [2022-12-13 13:50:26,973 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 17 [2022-12-13 13:50:27,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 13:50:27,170 INFO L321 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2022-12-13 13:50:27,170 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 68 treesize of output 48 [2022-12-13 13:50:27,229 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 17 [2022-12-13 13:50:29,706 INFO L321 Elim1Store]: treesize reduction 12, result has 60.0 percent of original size [2022-12-13 13:50:29,707 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 98 treesize of output 86 [2022-12-13 13:50:29,895 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 13 [2022-12-13 13:50:32,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 13:50:32,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 13:50:32,079 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 39 [2022-12-13 13:50:34,807 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 17 [2022-12-13 13:50:35,060 INFO L321 Elim1Store]: treesize reduction 12, result has 60.0 percent of original size [2022-12-13 13:50:35,060 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 98 treesize of output 86 [2022-12-13 13:50:35,190 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 13 [2022-12-13 13:50:37,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 13:50:37,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 13:50:37,371 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 39 [2022-12-13 13:50:40,382 INFO L321 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2022-12-13 13:50:40,382 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 68 treesize of output 48 [2022-12-13 13:50:40,436 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 17 [2022-12-13 13:50:42,622 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-13 13:50:42,624 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 48 [2022-12-13 13:50:44,901 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 17 [2022-12-13 13:50:45,166 INFO L321 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2022-12-13 13:50:45,167 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 68 treesize of output 48 [2022-12-13 13:50:47,258 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 17 [2022-12-13 13:50:47,898 INFO L321 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2022-12-13 13:50:47,899 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 68 treesize of output 48 [2022-12-13 13:50:47,918 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-13 13:51:57,835 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 17 [2022-12-13 13:52:00,141 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 17 [2022-12-13 13:52:02,720 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 17 [2022-12-13 13:52:16,271 INFO L321 Elim1Store]: treesize reduction 47, result has 17.5 percent of original size [2022-12-13 13:52:16,271 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 11 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 44 treesize of output 16 [2022-12-13 13:52:16,446 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 17 [2022-12-13 13:52:16,607 INFO L321 Elim1Store]: treesize reduction 89, result has 13.6 percent of original size [2022-12-13 13:52:16,608 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 7 case distinctions, treesize of input 51 treesize of output 25 [2022-12-13 13:52:20,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 13:52:20,998 INFO L321 Elim1Store]: treesize reduction 95, result has 12.8 percent of original size [2022-12-13 13:52:20,998 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 14 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 7 case distinctions, treesize of input 51 treesize of output 25 [2022-12-13 13:52:21,347 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 17 [2022-12-13 13:52:23,886 INFO L321 Elim1Store]: treesize reduction 86, result has 14.0 percent of original size [2022-12-13 13:52:23,887 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 13 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 8 case distinctions, treesize of input 51 treesize of output 25 [2022-12-13 13:52:26,469 INFO L321 Elim1Store]: treesize reduction 32, result has 23.8 percent of original size [2022-12-13 13:52:26,469 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 9 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 44 treesize of output 16 [2022-12-13 13:52:28,866 INFO L321 Elim1Store]: treesize reduction 123, result has 0.8 percent of original size [2022-12-13 13:52:28,866 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 7 case distinctions, treesize of input 51 treesize of output 1 [2022-12-13 13:52:30,968 INFO L321 Elim1Store]: treesize reduction 102, result has 1.0 percent of original size [2022-12-13 13:52:30,968 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 7 case distinctions, treesize of input 51 treesize of output 1 [2022-12-13 13:52:33,213 INFO L321 Elim1Store]: treesize reduction 71, result has 1.4 percent of original size [2022-12-13 13:52:33,214 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 10 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 5 case distinctions, treesize of input 44 treesize of output 1 [2022-12-13 13:52:35,313 INFO L321 Elim1Store]: treesize reduction 74, result has 1.3 percent of original size [2022-12-13 13:52:35,313 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 10 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 39 treesize of output 1 [2022-12-13 13:52:35,587 INFO L321 Elim1Store]: treesize reduction 56, result has 1.8 percent of original size [2022-12-13 13:52:35,587 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 11 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 39 treesize of output 1 [2022-12-13 13:52:35,707 INFO L321 Elim1Store]: treesize reduction 53, result has 1.9 percent of original size [2022-12-13 13:52:35,707 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 11 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 5 case distinctions, treesize of input 44 treesize of output 1 [2022-12-13 13:52:37,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 13:52:37,865 INFO L321 Elim1Store]: treesize reduction 87, result has 1.1 percent of original size [2022-12-13 13:52:37,866 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 14 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 7 case distinctions, treesize of input 49 treesize of output 1 [2022-12-13 13:52:40,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 13:52:40,043 INFO L321 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2022-12-13 13:52:40,044 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 12 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 7 case distinctions, treesize of input 49 treesize of output 1 [2022-12-13 13:52:42,312 INFO L321 Elim1Store]: treesize reduction 87, result has 1.1 percent of original size [2022-12-13 13:52:42,313 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 14 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 7 case distinctions, treesize of input 49 treesize of output 1 [2022-12-13 13:52:44,962 INFO L321 Elim1Store]: treesize reduction 75, result has 1.3 percent of original size [2022-12-13 13:52:44,963 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 11 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 49 treesize of output 1 [2022-12-13 13:52:47,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 13:52:47,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 13:52:47,269 INFO L321 Elim1Store]: treesize reduction 75, result has 1.3 percent of original size [2022-12-13 13:52:47,269 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 14 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 49 treesize of output 1 [2022-12-13 13:52:47,484 INFO L321 Elim1Store]: treesize reduction 77, result has 1.3 percent of original size [2022-12-13 13:52:47,485 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 8 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 5 case distinctions, treesize of input 426 treesize of output 382 [2022-12-13 13:52:47,641 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-13 13:52:47,672 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-13 13:52:50,863 INFO L321 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2022-12-13 13:52:50,864 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 10 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 9 [2022-12-13 13:52:53,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 13:52:53,329 INFO L321 Elim1Store]: treesize reduction 53, result has 1.9 percent of original size [2022-12-13 13:52:53,330 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 11 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 48 treesize of output 1 [2022-12-13 13:52:55,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 13:52:55,610 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-13 13:52:55,612 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 8 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 13 [2022-12-13 13:52:56,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 13:52:56,209 INFO L321 Elim1Store]: treesize reduction 41, result has 2.4 percent of original size [2022-12-13 13:52:56,209 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 12 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 52 treesize of output 1 [2022-12-13 13:52:58,609 INFO L321 Elim1Store]: treesize reduction 41, result has 2.4 percent of original size [2022-12-13 13:52:58,609 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 12 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 48 treesize of output 1 [2022-12-13 13:53:01,194 INFO L321 Elim1Store]: treesize reduction 53, result has 1.9 percent of original size [2022-12-13 13:53:01,194 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 11 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 1 [2022-12-13 13:53:01,332 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 17 [2022-12-13 13:53:04,059 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 17 [2022-12-13 13:53:04,936 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 17 [2022-12-13 13:53:06,678 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 17 [2022-12-13 13:53:11,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 13:53:11,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 13:53:11,975 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 36 [2022-12-13 13:53:15,273 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 17 [2022-12-13 13:53:18,220 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 17 [2022-12-13 13:53:21,138 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 17 [2022-12-13 13:53:22,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 13:53:22,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 13:53:22,398 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 36 [2022-12-13 13:53:22,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 13:53:22,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 13:53:22,536 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 36 [2022-12-13 13:53:22,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 13:53:22,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 13:53:22,667 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 36 [2022-12-13 13:53:23,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 13:53:23,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 13:53:23,059 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 36 [2022-12-13 13:53:25,116 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 17 [2022-12-13 13:53:30,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 13:53:30,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 13:53:30,529 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 36 [2022-12-13 13:53:30,713 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 17 [2022-12-13 13:53:30,753 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 17 [2022-12-13 13:53:30,784 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 17 [2022-12-13 13:53:31,151 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 17 [2022-12-13 13:53:31,195 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 17 [2022-12-13 13:53:47,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 13:53:47,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 13:53:47,269 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 36 [2022-12-13 13:53:51,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 13:53:51,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 13:53:51,428 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 36 [2022-12-13 13:53:54,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 13:53:54,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 13:53:54,066 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 36 [2022-12-13 13:53:55,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 13:53:55,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 13:53:55,303 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 36 [2022-12-13 13:53:57,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 13:53:57,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 13:53:57,604 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 36 [2022-12-13 13:54:07,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 13:54:07,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 13:54:07,952 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 36 [2022-12-13 13:54:08,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 13:54:08,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 13:54:08,095 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 36 [2022-12-13 13:54:08,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 13:54:08,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 13:54:08,255 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 36 [2022-12-13 13:54:08,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 13:54:08,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 13:54:08,392 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 36 [2022-12-13 13:54:08,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 13:54:08,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 13:54:08,514 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 36 [2022-12-13 13:54:08,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 13:54:08,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 13:54:08,607 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 36 [2022-12-13 13:57:56,933 WARN L233 SmtUtils]: Spent 3.51m on a formula simplification. DAG size of input: 2130 DAG size of output: 83 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-13 13:58:14,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 13:58:14,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 13:58:14,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 13:58:14,835 INFO L321 Elim1Store]: treesize reduction 37, result has 35.1 percent of original size [2022-12-13 13:58:14,835 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 39 treesize of output 48 [2022-12-13 13:58:14,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 13:58:14,847 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-13 13:58:14,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 13:58:14,848 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-13 13:58:14,944 INFO L321 Elim1Store]: treesize reduction 18, result has 47.1 percent of original size [2022-12-13 13:58:14,944 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 7 disjoint index pairs (out of 21 index pairs), introduced 5 new quantified variables, introduced 2 case distinctions, treesize of input 84 treesize of output 76 [2022-12-13 13:58:45,536 WARN L233 SmtUtils]: Spent 5.50s on a formula simplification that was a NOOP. DAG size: 51 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-13 13:58:59,162 INFO L321 Elim1Store]: treesize reduction 625, result has 18.7 percent of original size [2022-12-13 13:58:59,162 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 10 select indices, 10 select index equivalence classes, 6 disjoint index pairs (out of 45 index pairs), introduced 14 new quantified variables, introduced 69 case distinctions, treesize of input 326 treesize of output 523 [2022-12-13 13:59:00,065 INFO L134 CoverageAnalysis]: Checked inductivity of 410 backedges. 110 proven. 243 refuted. 2 times theorem prover too weak. 43 trivial. 12 not checked. [2022-12-13 13:59:00,065 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 13:59:13,585 WARN L233 SmtUtils]: Spent 10.56s on a formula simplification that was a NOOP. DAG size: 126 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-13 13:59:23,345 WARN L233 SmtUtils]: Spent 9.39s on a formula simplification that was a NOOP. DAG size: 83 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-13 13:59:30,902 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:59:30,902 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [160078833] [2022-12-13 13:59:30,902 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-13 13:59:30,902 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1916943679] [2022-12-13 13:59:30,902 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1916943679] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 13:59:30,902 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-12-13 13:59:30,902 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [66] total 66 [2022-12-13 13:59:30,903 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [368433663] [2022-12-13 13:59:30,903 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-12-13 13:59:30,903 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 66 states [2022-12-13 13:59:30,903 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:59:30,904 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 66 interpolants. [2022-12-13 13:59:30,905 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=249, Invalid=4135, Unknown=50, NotChecked=396, Total=4830 [2022-12-13 13:59:30,905 INFO L87 Difference]: Start difference. First operand 169 states and 216 transitions. Second operand has 66 states, 54 states have (on average 2.314814814814815) internal successors, (125), 53 states have internal predecessors, (125), 20 states have call successors, (32), 12 states have call predecessors, (32), 22 states have return successors, (30), 18 states have call predecessors, (30), 19 states have call successors, (30) [2022-12-13 13:59:33,430 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-13 13:59:36,225 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.79s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 13:59:39,187 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 13:59:41,810 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 13:59:45,107 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.19s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 13:59:46,276 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 13:59:48,503 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-13 13:59:52,419 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 13:59:54,975 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-13 14:00:00,013 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-13 14:00:02,287 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-13 14:00:04,630 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-13 14:00:23,611 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-13 14:01:10,737 WARN L233 SmtUtils]: Spent 36.95s on a formula simplification. DAG size of input: 144 DAG size of output: 123 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-13 14:01:36,916 WARN L233 SmtUtils]: Spent 20.62s on a formula simplification. DAG size of input: 115 DAG size of output: 104 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-13 14:01:39,300 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-13 14:01:42,004 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-13 14:01:45,026 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.69s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-13 14:01:47,087 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-13 14:01:49,791 WARN L837 $PredicateComparison]: unable to prove that (let ((.cse3 (select |c_#memory_int| |c_aws_array_list_is_valid_#in~list.base|)) (.cse4 (+ |c_aws_array_list_is_valid_#in~list.offset| 24))) (let ((.cse1 (let ((.cse15 (select |c_old(#memory_int)| |c_aws_array_list_is_valid_#in~list.base|))) (* (select .cse15 .cse4) (select .cse15 (+ |c_aws_array_list_is_valid_#in~list.offset| 16))))) (.cse2 (= |c_aws_array_list_is_valid_#res| 1)) (.cse5 (= |c_aws_array_list_is_valid_#res| 0)) (.cse7 (mod (select .cse3 (+ |c_aws_array_list_is_valid_#in~list.offset| 8)) 18446744073709551616))) (and (= |c_#valid| |c_old(#valid)|) (exists ((|aws_array_list_is_valid_~#required_size~0.base| Int)) (let ((.cse0 (select |c_old(#memory_int)| |aws_array_list_is_valid_~#required_size~0.base|))) (and (= (store |c_old(#memory_int)| |aws_array_list_is_valid_~#required_size~0.base| (store .cse0 0 .cse1)) |c_#memory_int|) (= (select .cse0 0) 0) (= (select |c_old(#valid)| |aws_array_list_is_valid_~#required_size~0.base|) 0)))) (exists ((|v___CPROVER_overflow_mult_~#c~1.base_54| Int) (v_ArrVal_898 Int)) (and (= |c_#valid| (store |c_old(#valid)| |v___CPROVER_overflow_mult_~#c~1.base_54| v_ArrVal_898)) (= (select |c_old(#valid)| |v___CPROVER_overflow_mult_~#c~1.base_54|) 0))) (= |c_aws_array_list_is_valid_#in~list.offset| c_aws_array_list_is_valid_~list.offset) (or (and .cse2 (not (= (mod (select .cse3 .cse4) 18446744073709551616) 0))) .cse5) (or (and .cse5 (exists ((v_ArrVal_909 Int) (|v___CPROVER_overflow_mult_~#c~1.base_54| Int) (v_ArrVal_913 Int) (|v_aws_array_list_is_valid_~#required_size~0.base_9| Int) (v_ArrVal_898 Int)) (let ((.cse6 (store |c_old(#valid)| |v_aws_array_list_is_valid_~#required_size~0.base_9| v_ArrVal_909))) (and (= |c_#valid| (store (store .cse6 |v___CPROVER_overflow_mult_~#c~1.base_54| v_ArrVal_898) |v_aws_array_list_is_valid_~#required_size~0.base_9| v_ArrVal_913)) (not (<= (mod (select (select |c_#memory_int| |v_aws_array_list_is_valid_~#required_size~0.base_9|) 0) 18446744073709551616) .cse7)) (= (select .cse6 |v___CPROVER_overflow_mult_~#c~1.base_54|) 0) (= (store |c_old(#memory_int)| |v_aws_array_list_is_valid_~#required_size~0.base_9| (store (select |c_old(#memory_int)| |v_aws_array_list_is_valid_~#required_size~0.base_9|) 0 .cse1)) |c_#memory_int|) (= (select |c_old(#valid)| |v_aws_array_list_is_valid_~#required_size~0.base_9|) 0))))) (and (exists ((v_ArrVal_909 Int) (|v___CPROVER_overflow_mult_~#c~1.base_54| Int) (v_ArrVal_913 Int) (|v_aws_array_list_is_valid_~#required_size~0.base_9| Int) (v_ArrVal_898 Int)) (let ((.cse8 (store |c_old(#valid)| |v_aws_array_list_is_valid_~#required_size~0.base_9| v_ArrVal_909))) (and (= |c_#valid| (store (store .cse8 |v___CPROVER_overflow_mult_~#c~1.base_54| v_ArrVal_898) |v_aws_array_list_is_valid_~#required_size~0.base_9| v_ArrVal_913)) (<= (mod (select (select |c_#memory_int| |v_aws_array_list_is_valid_~#required_size~0.base_9|) 0) 18446744073709551616) .cse7) (= (select .cse8 |v___CPROVER_overflow_mult_~#c~1.base_54|) 0) (= (store |c_old(#memory_int)| |v_aws_array_list_is_valid_~#required_size~0.base_9| (store (select |c_old(#memory_int)| |v_aws_array_list_is_valid_~#required_size~0.base_9|) 0 .cse1)) |c_#memory_int|) (= (select |c_old(#valid)| |v_aws_array_list_is_valid_~#required_size~0.base_9|) 0)))) (or .cse2 .cse5))) (= c_aws_array_list_is_valid_~required_size_is_valid~0 1) (= 0 .cse7) (exists ((v_ArrVal_908 Int) (|v___CPROVER_overflow_mult_~#c~1.base_54| Int) (v_ArrVal_907 (Array Int Int)) (|v_aws_array_list_is_valid_~#required_size~0.base_8| Int) (v_ArrVal_898 Int)) (let ((.cse9 (store |c_old(#valid)| |v_aws_array_list_is_valid_~#required_size~0.base_8| 1))) (and (= (select .cse9 |v___CPROVER_overflow_mult_~#c~1.base_54|) 0) (= (select |c_old(#valid)| |v_aws_array_list_is_valid_~#required_size~0.base_8|) 0) (= (store |c_old(#memory_int)| |v_aws_array_list_is_valid_~#required_size~0.base_8| v_ArrVal_907) |c_#memory_int|) (= |c_#valid| (store (store .cse9 |v___CPROVER_overflow_mult_~#c~1.base_54| v_ArrVal_898) |v_aws_array_list_is_valid_~#required_size~0.base_8| v_ArrVal_908))))) (let ((.cse10 (mod (select (select |c_#memory_int| c_aws_array_list_is_valid_~list.base) (+ 8 c_aws_array_list_is_valid_~list.offset)) 18446744073709551616)) (.cse12 (let ((.cse14 (select |c_old(#memory_int)| c_aws_array_list_is_valid_~list.base))) (* (select .cse14 (+ 16 c_aws_array_list_is_valid_~list.offset)) (select .cse14 (+ c_aws_array_list_is_valid_~list.offset 24)))))) (or (and (exists ((|aws_array_list_is_valid_~#required_size~0.base| Int)) (let ((.cse11 (select |c_old(#memory_int)| |aws_array_list_is_valid_~#required_size~0.base|))) (and (<= (mod (select (select |c_#memory_int| |aws_array_list_is_valid_~#required_size~0.base|) 0) 18446744073709551616) .cse10) (= (select .cse11 0) 0) (= (store |c_old(#memory_int)| |aws_array_list_is_valid_~#required_size~0.base| (store .cse11 0 .cse12)) |c_#memory_int|)))) (= c_aws_array_list_is_valid_~current_size_is_valid~0 1)) (and (exists ((|aws_array_list_is_valid_~#required_size~0.base| Int)) (let ((.cse13 (select |c_old(#memory_int)| |aws_array_list_is_valid_~#required_size~0.base|))) (and (= (select .cse13 0) 0) (not (<= (mod (select (select |c_#memory_int| |aws_array_list_is_valid_~#required_size~0.base|) 0) 18446744073709551616) .cse10)) (= (store |c_old(#memory_int)| |aws_array_list_is_valid_~#required_size~0.base| (store .cse13 0 .cse12)) |c_#memory_int|)))) (= c_aws_array_list_is_valid_~current_size_is_valid~0 0)))) (= |c_aws_array_list_is_valid_#in~list.base| c_aws_array_list_is_valid_~list.base)))) is different from false [2022-12-13 14:01:51,800 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-13 14:02:01,302 WARN L233 SmtUtils]: Spent 7.41s on a formula simplification. DAG size of input: 98 DAG size of output: 92 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-13 14:02:16,454 WARN L233 SmtUtils]: Spent 5.87s on a formula simplification. DAG size of input: 89 DAG size of output: 87 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-13 14:02:18,611 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-13 14:02:21,375 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-13 14:02:25,253 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-13 14:02:30,482 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-13 14:03:01,351 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-13 14:03:03,356 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-13 14:03:04,491 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-13 14:03:07,926 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-13 14:03:13,133 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-13 14:03:15,203 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-13 14:03:17,520 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-13 14:03:19,782 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-13 14:03:22,022 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-13 14:03:24,026 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-13 14:03:27,643 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-13 14:03:30,823 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-13 14:03:35,594 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-13 14:03:40,150 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0]