./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 b5237d83 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_36c3c241-554d-4506-9846-9c2d588d6a54/bin/uautomizer-vX5HgA9Q3a/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36c3c241-554d-4506-9846-9c2d588d6a54/bin/uautomizer-vX5HgA9Q3a/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36c3c241-554d-4506-9846-9c2d588d6a54/bin/uautomizer-vX5HgA9Q3a/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36c3c241-554d-4506-9846-9c2d588d6a54/bin/uautomizer-vX5HgA9Q3a/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_36c3c241-554d-4506-9846-9c2d588d6a54/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36c3c241-554d-4506-9846-9c2d588d6a54/bin/uautomizer-vX5HgA9Q3a --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-b5237d8 [2022-11-21 17:09:15,453 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 17:09:15,459 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 17:09:15,485 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 17:09:15,487 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 17:09:15,491 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 17:09:15,497 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 17:09:15,499 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 17:09:15,501 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 17:09:15,503 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 17:09:15,505 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 17:09:15,508 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 17:09:15,509 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 17:09:15,513 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 17:09:15,514 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 17:09:15,517 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 17:09:15,520 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 17:09:15,527 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 17:09:15,528 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 17:09:15,530 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 17:09:15,534 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 17:09:15,535 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 17:09:15,536 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 17:09:15,537 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 17:09:15,540 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 17:09:15,540 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 17:09:15,541 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 17:09:15,542 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 17:09:15,542 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 17:09:15,543 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 17:09:15,543 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 17:09:15,544 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 17:09:15,545 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 17:09:15,545 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 17:09:15,546 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 17:09:15,552 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 17:09:15,554 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 17:09:15,554 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 17:09:15,554 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 17:09:15,558 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 17:09:15,559 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 17:09:15,560 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36c3c241-554d-4506-9846-9c2d588d6a54/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-21 17:09:15,594 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 17:09:15,594 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 17:09:15,595 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-21 17:09:15,595 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-21 17:09:15,596 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 17:09:15,596 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-21 17:09:15,596 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 17:09:15,597 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 17:09:15,597 INFO L138 SettingsManager]: * Use SBE=true [2022-11-21 17:09:15,597 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 17:09:15,598 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 17:09:15,598 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 17:09:15,598 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 17:09:15,599 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 17:09:15,599 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 17:09:15,599 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 17:09:15,599 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 17:09:15,599 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 17:09:15,600 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 17:09:15,600 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-21 17:09:15,600 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-21 17:09:15,600 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 17:09:15,600 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 17:09:15,600 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 17:09:15,601 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 17:09:15,601 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-21 17:09:15,601 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 17:09:15,601 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-21 17:09:15,602 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-21 17:09:15,602 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 17:09:15,602 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36c3c241-554d-4506-9846-9c2d588d6a54/bin/uautomizer-vX5HgA9Q3a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36c3c241-554d-4506-9846-9c2d588d6a54/bin/uautomizer-vX5HgA9Q3a Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4074842a6d6900f214884b5b0ef94aa1b36f37c81b70cefd0198f88d1e717beb [2022-11-21 17:09:15,890 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 17:09:15,928 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 17:09:15,931 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 17:09:15,932 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 17:09:15,932 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 17:09:15,934 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36c3c241-554d-4506-9846-9c2d588d6a54/bin/uautomizer-vX5HgA9Q3a/../../sv-benchmarks/c/aws-c-common/aws_array_list_get_at_harness.i [2022-11-21 17:09:19,041 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 17:09:19,620 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 17:09:19,623 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36c3c241-554d-4506-9846-9c2d588d6a54/sv-benchmarks/c/aws-c-common/aws_array_list_get_at_harness.i [2022-11-21 17:09:19,675 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36c3c241-554d-4506-9846-9c2d588d6a54/bin/uautomizer-vX5HgA9Q3a/data/0421461d2/b43970b011e446fb93f1f55311f3afb4/FLAG8a4a839ea [2022-11-21 17:09:20,173 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36c3c241-554d-4506-9846-9c2d588d6a54/bin/uautomizer-vX5HgA9Q3a/data/0421461d2/b43970b011e446fb93f1f55311f3afb4 [2022-11-21 17:09:20,176 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 17:09:20,177 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 17:09:20,179 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 17:09:20,179 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 17:09:20,184 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 17:09:20,185 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 05:09:20" (1/1) ... [2022-11-21 17:09:20,186 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50cfc1f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:09:20, skipping insertion in model container [2022-11-21 17:09:20,187 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 05:09:20" (1/1) ... [2022-11-21 17:09:20,194 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 17:09:20,302 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 17:09:20,607 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_36c3c241-554d-4506-9846-9c2d588d6a54/sv-benchmarks/c/aws-c-common/aws_array_list_get_at_harness.i[4495,4508] [2022-11-21 17:09:20,617 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_36c3c241-554d-4506-9846-9c2d588d6a54/sv-benchmarks/c/aws-c-common/aws_array_list_get_at_harness.i[4555,4568] [2022-11-21 17:09:21,532 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-21 17:09:21,622 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-21 17:09:21,623 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-21 17:09:21,623 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-21 17:09:21,624 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-21 17:09:21,626 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-21 17:09:21,640 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-21 17:09:21,641 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-21 17:09:21,643 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-21 17:09:21,644 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-21 17:09:21,645 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-21 17:09:21,646 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-21 17:09:21,647 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-21 17:09:21,648 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-21 17:09:22,182 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-21 17:09:22,186 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-21 17:09:22,188 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-21 17:09:22,191 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-21 17:09:22,200 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-21 17:09:22,202 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-21 17:09:22,203 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-21 17:09:22,205 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-21 17:09:22,213 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-21 17:09:22,214 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-21 17:09:22,423 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-21 17:09:22,430 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-21 17:09:22,526 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-21 17:09:22,527 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-21 17:09:22,530 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 17:09:22,568 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 17:09:22,582 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_36c3c241-554d-4506-9846-9c2d588d6a54/sv-benchmarks/c/aws-c-common/aws_array_list_get_at_harness.i[4495,4508] [2022-11-21 17:09:22,582 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_36c3c241-554d-4506-9846-9c2d588d6a54/sv-benchmarks/c/aws-c-common/aws_array_list_get_at_harness.i[4555,4568] [2022-11-21 17:09:22,614 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-21 17:09:22,629 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-21 17:09:22,630 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-21 17:09:22,630 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-21 17:09:22,631 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-21 17:09:22,631 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-21 17:09:22,638 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-21 17:09:22,639 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-21 17:09:22,640 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-21 17:09:22,640 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-21 17:09:22,642 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-21 17:09:22,642 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-21 17:09:22,643 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-21 17:09:22,643 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-21 17:09:22,678 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-21 17:09:22,679 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-21 17:09:22,680 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-21 17:09:22,681 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-21 17:09:22,682 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-21 17:09:22,683 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-21 17:09:22,688 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-21 17:09:22,688 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-21 17:09:22,689 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-21 17:09:22,689 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-21 17:09:22,733 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-21 17:09:22,748 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-21 17:09:22,787 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-21 17:09:22,787 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-21 17:09:22,788 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 17:09:23,068 INFO L208 MainTranslator]: Completed translation [2022-11-21 17:09:23,068 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:09:23 WrapperNode [2022-11-21 17:09:23,068 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 17:09:23,069 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 17:09:23,070 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 17:09:23,070 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 17:09:23,077 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:09:23" (1/1) ... [2022-11-21 17:09:23,167 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:09:23" (1/1) ... [2022-11-21 17:09:23,256 INFO L138 Inliner]: procedures = 691, calls = 1681, calls flagged for inlining = 53, calls inlined = 9, statements flattened = 654 [2022-11-21 17:09:23,256 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 17:09:23,257 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 17:09:23,258 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 17:09:23,258 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 17:09:23,267 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:09:23" (1/1) ... [2022-11-21 17:09:23,267 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:09:23" (1/1) ... [2022-11-21 17:09:23,282 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:09:23" (1/1) ... [2022-11-21 17:09:23,283 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:09:23" (1/1) ... [2022-11-21 17:09:23,325 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:09:23" (1/1) ... [2022-11-21 17:09:23,334 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:09:23" (1/1) ... [2022-11-21 17:09:23,352 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:09:23" (1/1) ... [2022-11-21 17:09:23,356 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:09:23" (1/1) ... [2022-11-21 17:09:23,374 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 17:09:23,375 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 17:09:23,375 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 17:09:23,375 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 17:09:23,376 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:09:23" (1/1) ... [2022-11-21 17:09:23,389 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 17:09:23,400 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36c3c241-554d-4506-9846-9c2d588d6a54/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 17:09:23,420 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36c3c241-554d-4506-9846-9c2d588d6a54/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-21 17:09:23,447 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36c3c241-554d-4506-9846-9c2d588d6a54/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-21 17:09:23,465 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 17:09:23,466 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2022-11-21 17:09:23,466 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2022-11-21 17:09:23,466 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2022-11-21 17:09:23,466 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2022-11-21 17:09:23,466 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2022-11-21 17:09:23,467 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2022-11-21 17:09:23,467 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-21 17:09:23,467 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2022-11-21 17:09:23,468 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2022-11-21 17:09:23,468 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-11-21 17:09:23,469 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-11-21 17:09:23,469 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-21 17:09:23,469 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 17:09:23,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-21 17:09:23,470 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2022-11-21 17:09:23,470 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2022-11-21 17:09:23,470 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 17:09:23,508 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 17:09:23,508 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2022-11-21 17:09:23,508 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2022-11-21 17:09:23,508 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2022-11-21 17:09:23,508 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2022-11-21 17:09:23,509 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2022-11-21 17:09:23,509 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2022-11-21 17:09:23,509 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2022-11-21 17:09:23,509 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2022-11-21 17:09:23,510 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_length [2022-11-21 17:09:23,510 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_length [2022-11-21 17:09:23,510 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-21 17:09:23,510 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-21 17:09:23,510 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2022-11-21 17:09:23,511 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2022-11-21 17:09:23,511 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-21 17:09:23,511 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-21 17:09:23,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-21 17:09:23,511 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2022-11-21 17:09:23,511 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2022-11-21 17:09:23,512 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2022-11-21 17:09:23,513 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2022-11-21 17:09:23,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-21 17:09:23,513 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2022-11-21 17:09:23,514 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2022-11-21 17:09:23,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 17:09:23,922 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 17:09:23,929 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 17:09:25,096 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 17:09:25,111 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 17:09:25,112 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-21 17:09:25,115 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 05:09:25 BoogieIcfgContainer [2022-11-21 17:09:25,115 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 17:09:25,118 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-21 17:09:25,118 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-21 17:09:25,122 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-21 17:09:25,122 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 05:09:20" (1/3) ... [2022-11-21 17:09:25,124 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6150bfac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 05:09:25, skipping insertion in model container [2022-11-21 17:09:25,124 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:09:23" (2/3) ... [2022-11-21 17:09:25,125 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6150bfac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 05:09:25, skipping insertion in model container [2022-11-21 17:09:25,125 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 05:09:25" (3/3) ... [2022-11-21 17:09:25,127 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_array_list_get_at_harness.i [2022-11-21 17:09:25,148 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-21 17:09:25,151 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-21 17:09:25,227 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-21 17:09:25,238 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;@4c124549, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-21 17:09:25,238 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-21 17:09:25,244 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) [2022-11-21 17:09:25,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-11-21 17:09:25,264 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:09:25,265 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] [2022-11-21 17:09:25,266 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 17:09:25,278 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:09:25,279 INFO L85 PathProgramCache]: Analyzing trace with hash -1881445885, now seen corresponding path program 1 times [2022-11-21 17:09:25,288 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:09:25,289 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1819143025] [2022-11-21 17:09:25,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:09:25,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:09:25,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:09:25,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 17:09:25,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:09:25,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:09:25,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:09:25,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-21 17:09:25,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:09:25,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-21 17:09:25,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:09:25,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-11-21 17:09:25,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:09:25,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-11-21 17:09:25,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:09:25,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-21 17:09:25,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:09:25,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-21 17:09:25,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:09:26,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-11-21 17:09:26,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:09:26,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:09:26,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:09:26,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-11-21 17:09:26,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:09:26,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-21 17:09:26,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:09:26,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-11-21 17:09:26,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:09:26,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-11-21 17:09:26,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:09:26,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-21 17:09:26,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:09:26,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-11-21 17:09:26,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:09:26,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-11-21 17:09:26,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:09:26,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-11-21 17:09:26,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:09:26,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-11-21 17:09:26,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:09:26,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-11-21 17:09:26,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:09:26,158 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2022-11-21 17:09:26,159 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 17:09:26,159 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1819143025] [2022-11-21 17:09:26,159 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1819143025] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 17:09:26,160 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 17:09:26,160 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-21 17:09:26,161 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [110475205] [2022-11-21 17:09:26,162 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 17:09:26,167 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-21 17:09:26,168 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 17:09:26,210 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-21 17:09:26,212 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-21 17:09:26,215 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) [2022-11-21 17:09:26,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 17:09:26,844 INFO L93 Difference]: Finished difference Result 370 states and 533 transitions. [2022-11-21 17:09:26,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-21 17:09:26,847 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 [2022-11-21 17:09:26,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 17:09:26,859 INFO L225 Difference]: With dead ends: 370 [2022-11-21 17:09:26,859 INFO L226 Difference]: Without dead ends: 190 [2022-11-21 17:09:26,865 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 [2022-11-21 17:09:26,868 INFO L413 NwaCegarLoop]: 159 mSDtfsCounter, 117 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 148 mSolverCounterSat, 127 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s 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, 0.5s IncrementalHoareTripleChecker+Time [2022-11-21 17:09:26,868 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [128 Valid, 231 Invalid, 275 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [127 Valid, 148 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-21 17:09:26,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 190 states. [2022-11-21 17:09:26,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 190 to 169. [2022-11-21 17:09:26,948 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) [2022-11-21 17:09:26,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 220 transitions. [2022-11-21 17:09:26,956 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 220 transitions. Word has length 124 [2022-11-21 17:09:26,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 17:09:26,956 INFO L495 AbstractCegarLoop]: Abstraction has 169 states and 220 transitions. [2022-11-21 17:09:26,957 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) [2022-11-21 17:09:26,957 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 220 transitions. [2022-11-21 17:09:26,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-11-21 17:09:26,966 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:09:26,966 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] [2022-11-21 17:09:26,966 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-21 17:09:26,967 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 17:09:26,967 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:09:26,967 INFO L85 PathProgramCache]: Analyzing trace with hash -1730209477, now seen corresponding path program 1 times [2022-11-21 17:09:26,967 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:09:26,968 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1173963075] [2022-11-21 17:09:26,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:09:26,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:09:27,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:09:27,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 17:09:27,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:09:27,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:09:27,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:09:27,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-21 17:09:27,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:09:27,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-21 17:09:27,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:09:27,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-11-21 17:09:27,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:09:27,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-11-21 17:09:27,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:09:27,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-21 17:09:27,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:09:27,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-21 17:09:27,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:09:27,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-11-21 17:09:27,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:09:27,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:09:27,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:09:27,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-11-21 17:09:27,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:09:27,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-21 17:09:27,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:09:27,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-11-21 17:09:27,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:09:27,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-11-21 17:09:27,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:09:27,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-21 17:09:27,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:09:27,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-11-21 17:09:27,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:09:27,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-11-21 17:09:27,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:09:27,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-11-21 17:09:27,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:09:27,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-11-21 17:09:27,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:09:27,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-11-21 17:09:27,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:09:27,752 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2022-11-21 17:09:27,753 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 17:09:27,753 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1173963075] [2022-11-21 17:09:27,753 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1173963075] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-21 17:09:27,753 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1585237842] [2022-11-21 17:09:27,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:09:27,754 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 17:09:27,754 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36c3c241-554d-4506-9846-9c2d588d6a54/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 17:09:27,759 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36c3c241-554d-4506-9846-9c2d588d6a54/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-21 17:09:27,779 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36c3c241-554d-4506-9846-9c2d588d6a54/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-21 17:09:28,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:09:28,334 INFO L263 TraceCheckSpWp]: Trace formula consists of 2239 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-21 17:09:28,344 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 17:09:28,457 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 140 trivial. 0 not checked. [2022-11-21 17:09:28,459 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-21 17:09:28,460 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1585237842] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 17:09:28,460 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-21 17:09:28,460 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [8] total 12 [2022-11-21 17:09:28,461 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [321869296] [2022-11-21 17:09:28,461 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 17:09:28,462 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-21 17:09:28,462 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 17:09:28,463 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-21 17:09:28,463 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2022-11-21 17:09:28,463 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) [2022-11-21 17:09:28,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 17:09:28,835 INFO L93 Difference]: Finished difference Result 311 states and 411 transitions. [2022-11-21 17:09:28,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-21 17:09:28,835 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 [2022-11-21 17:09:28,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 17:09:28,838 INFO L225 Difference]: With dead ends: 311 [2022-11-21 17:09:28,838 INFO L226 Difference]: Without dead ends: 171 [2022-11-21 17:09:28,839 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 [2022-11-21 17:09:28,840 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, 0.3s IncrementalHoareTripleChecker+Time [2022-11-21 17:09:28,840 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [233 Valid, 618 Invalid, 253 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [74 Valid, 179 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-21 17:09:28,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2022-11-21 17:09:28,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 171. [2022-11-21 17:09:28,861 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) [2022-11-21 17:09:28,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 226 transitions. [2022-11-21 17:09:28,863 INFO L78 Accepts]: Start accepts. Automaton has 171 states and 226 transitions. Word has length 124 [2022-11-21 17:09:28,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 17:09:28,863 INFO L495 AbstractCegarLoop]: Abstraction has 171 states and 226 transitions. [2022-11-21 17:09:28,864 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) [2022-11-21 17:09:28,864 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 226 transitions. [2022-11-21 17:09:28,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2022-11-21 17:09:28,866 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:09:28,866 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] [2022-11-21 17:09:28,881 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36c3c241-554d-4506-9846-9c2d588d6a54/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-21 17:09:29,076 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36c3c241-554d-4506-9846-9c2d588d6a54/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 17:09:29,076 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 17:09:29,076 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:09:29,077 INFO L85 PathProgramCache]: Analyzing trace with hash -1300515237, now seen corresponding path program 1 times [2022-11-21 17:09:29,077 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:09:29,077 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1168075113] [2022-11-21 17:09:29,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:09:29,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:09:29,157 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-21 17:09:29,157 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1668051626] [2022-11-21 17:09:29,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:09:29,158 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 17:09:29,158 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36c3c241-554d-4506-9846-9c2d588d6a54/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 17:09:29,159 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36c3c241-554d-4506-9846-9c2d588d6a54/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-21 17:09:29,183 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36c3c241-554d-4506-9846-9c2d588d6a54/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-21 17:09:29,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:09:29,778 INFO L263 TraceCheckSpWp]: Trace formula consists of 2521 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-21 17:09:29,785 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 17:09:29,866 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 126 proven. 0 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2022-11-21 17:09:29,867 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-21 17:09:29,867 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 17:09:29,867 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1168075113] [2022-11-21 17:09:29,867 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-21 17:09:29,868 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1668051626] [2022-11-21 17:09:29,868 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1668051626] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 17:09:29,868 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 17:09:29,868 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-21 17:09:29,868 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1905165734] [2022-11-21 17:09:29,869 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 17:09:29,869 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-21 17:09:29,869 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 17:09:29,870 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-21 17:09:29,870 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-21 17:09:29,870 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) [2022-11-21 17:09:30,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 17:09:30,224 INFO L93 Difference]: Finished difference Result 279 states and 368 transitions. [2022-11-21 17:09:30,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-21 17:09:30,225 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 [2022-11-21 17:09:30,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 17:09:30,227 INFO L225 Difference]: With dead ends: 279 [2022-11-21 17:09:30,227 INFO L226 Difference]: Without dead ends: 171 [2022-11-21 17:09:30,228 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 [2022-11-21 17:09:30,229 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, 0.3s IncrementalHoareTripleChecker+Time [2022-11-21 17:09:30,229 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [249 Valid, 747 Invalid, 307 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [80 Valid, 227 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-21 17:09:30,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2022-11-21 17:09:30,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 171. [2022-11-21 17:09:30,266 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) [2022-11-21 17:09:30,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 223 transitions. [2022-11-21 17:09:30,268 INFO L78 Accepts]: Start accepts. Automaton has 171 states and 223 transitions. Word has length 154 [2022-11-21 17:09:30,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 17:09:30,269 INFO L495 AbstractCegarLoop]: Abstraction has 171 states and 223 transitions. [2022-11-21 17:09:30,269 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) [2022-11-21 17:09:30,269 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 223 transitions. [2022-11-21 17:09:30,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2022-11-21 17:09:30,275 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:09:30,275 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] [2022-11-21 17:09:30,291 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36c3c241-554d-4506-9846-9c2d588d6a54/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-21 17:09:30,484 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36c3c241-554d-4506-9846-9c2d588d6a54/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2022-11-21 17:09:30,485 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 17:09:30,485 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:09:30,485 INFO L85 PathProgramCache]: Analyzing trace with hash 1091978033, now seen corresponding path program 2 times [2022-11-21 17:09:30,485 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:09:30,485 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1726532507] [2022-11-21 17:09:30,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:09:30,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:09:30,582 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-21 17:09:30,582 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2103937584] [2022-11-21 17:09:30,583 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-21 17:09:30,583 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 17:09:30,583 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36c3c241-554d-4506-9846-9c2d588d6a54/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 17:09:30,596 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36c3c241-554d-4506-9846-9c2d588d6a54/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-21 17:09:30,614 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36c3c241-554d-4506-9846-9c2d588d6a54/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-21 17:09:31,248 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-21 17:09:31,249 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-21 17:09:31,260 INFO L263 TraceCheckSpWp]: Trace formula consists of 2662 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-21 17:09:31,266 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 17:09:31,422 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 253 trivial. 0 not checked. [2022-11-21 17:09:31,422 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-21 17:09:31,423 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 17:09:31,423 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1726532507] [2022-11-21 17:09:31,423 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-21 17:09:31,423 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2103937584] [2022-11-21 17:09:31,423 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2103937584] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 17:09:31,423 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 17:09:31,423 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-21 17:09:31,424 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [274143851] [2022-11-21 17:09:31,424 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 17:09:31,424 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-21 17:09:31,424 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 17:09:31,425 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-21 17:09:31,425 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-11-21 17:09:31,425 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) [2022-11-21 17:09:31,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 17:09:31,870 INFO L93 Difference]: Finished difference Result 268 states and 345 transitions. [2022-11-21 17:09:31,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-21 17:09:31,870 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 [2022-11-21 17:09:31,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 17:09:31,872 INFO L225 Difference]: With dead ends: 268 [2022-11-21 17:09:31,872 INFO L226 Difference]: Without dead ends: 169 [2022-11-21 17:09:31,873 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 [2022-11-21 17:09:31,873 INFO L413 NwaCegarLoop]: 162 mSDtfsCounter, 246 mSDsluCounter, 845 mSDsCounter, 0 mSdLazyCounter, 382 mSolverCounterSat, 91 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s 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, 0.4s IncrementalHoareTripleChecker+Time [2022-11-21 17:09:31,874 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [246 Valid, 1007 Invalid, 473 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [91 Valid, 382 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-21 17:09:31,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states. [2022-11-21 17:09:31,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 169. [2022-11-21 17:09:31,889 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) [2022-11-21 17:09:31,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 219 transitions. [2022-11-21 17:09:31,891 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 219 transitions. Word has length 169 [2022-11-21 17:09:31,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 17:09:31,892 INFO L495 AbstractCegarLoop]: Abstraction has 169 states and 219 transitions. [2022-11-21 17:09:31,892 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) [2022-11-21 17:09:31,892 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 219 transitions. [2022-11-21 17:09:31,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-11-21 17:09:31,894 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:09:31,895 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] [2022-11-21 17:09:31,909 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36c3c241-554d-4506-9846-9c2d588d6a54/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-21 17:09:32,105 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36c3c241-554d-4506-9846-9c2d588d6a54/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 17:09:32,105 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 17:09:32,106 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:09:32,106 INFO L85 PathProgramCache]: Analyzing trace with hash -1928427287, now seen corresponding path program 1 times [2022-11-21 17:09:32,106 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:09:32,106 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [245419286] [2022-11-21 17:09:32,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:09:32,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:09:32,189 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-21 17:09:32,189 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1809458837] [2022-11-21 17:09:32,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:09:32,189 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 17:09:32,190 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36c3c241-554d-4506-9846-9c2d588d6a54/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 17:09:32,191 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36c3c241-554d-4506-9846-9c2d588d6a54/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-21 17:09:32,218 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36c3c241-554d-4506-9846-9c2d588d6a54/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-21 17:09:32,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:09:32,909 INFO L263 TraceCheckSpWp]: Trace formula consists of 2944 conjuncts, 26 conjunts are in the unsatisfiable core [2022-11-21 17:09:32,916 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 17:09:33,031 INFO L134 CoverageAnalysis]: Checked inductivity of 370 backedges. 198 proven. 0 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked. [2022-11-21 17:09:33,032 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-21 17:09:33,032 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 17:09:33,032 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [245419286] [2022-11-21 17:09:33,032 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-21 17:09:33,032 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1809458837] [2022-11-21 17:09:33,033 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1809458837] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 17:09:33,033 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 17:09:33,033 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-21 17:09:33,033 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1254830364] [2022-11-21 17:09:33,033 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 17:09:33,034 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-21 17:09:33,034 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 17:09:33,035 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-21 17:09:33,035 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-11-21 17:09:33,035 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) [2022-11-21 17:09:33,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 17:09:33,202 INFO L93 Difference]: Finished difference Result 329 states and 436 transitions. [2022-11-21 17:09:33,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-21 17:09:33,202 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 [2022-11-21 17:09:33,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 17:09:33,205 INFO L225 Difference]: With dead ends: 329 [2022-11-21 17:09:33,205 INFO L226 Difference]: Without dead ends: 226 [2022-11-21 17:09:33,205 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 200 GetRequests, 192 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2022-11-21 17:09:33,206 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 [2022-11-21 17:09:33,207 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] [2022-11-21 17:09:33,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states. [2022-11-21 17:09:33,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 188. [2022-11-21 17:09:33,225 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) [2022-11-21 17:09:33,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 188 states and 246 transitions. [2022-11-21 17:09:33,227 INFO L78 Accepts]: Start accepts. Automaton has 188 states and 246 transitions. Word has length 199 [2022-11-21 17:09:33,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 17:09:33,228 INFO L495 AbstractCegarLoop]: Abstraction has 188 states and 246 transitions. [2022-11-21 17:09:33,228 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) [2022-11-21 17:09:33,228 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 246 transitions. [2022-11-21 17:09:33,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-11-21 17:09:33,231 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:09:33,231 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] [2022-11-21 17:09:33,247 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36c3c241-554d-4506-9846-9c2d588d6a54/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-21 17:09:33,442 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36c3c241-554d-4506-9846-9c2d588d6a54/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 17:09:33,442 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 17:09:33,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:09:33,443 INFO L85 PathProgramCache]: Analyzing trace with hash 1634572583, now seen corresponding path program 1 times [2022-11-21 17:09:33,443 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:09:33,443 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [227962456] [2022-11-21 17:09:33,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:09:33,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:09:33,527 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-21 17:09:33,527 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2136333981] [2022-11-21 17:09:33,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:09:33,527 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 17:09:33,528 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36c3c241-554d-4506-9846-9c2d588d6a54/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 17:09:33,529 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36c3c241-554d-4506-9846-9c2d588d6a54/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-21 17:09:33,557 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36c3c241-554d-4506-9846-9c2d588d6a54/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-21 17:09:34,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:09:34,242 INFO L263 TraceCheckSpWp]: Trace formula consists of 2941 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-21 17:09:34,247 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 17:09:34,379 INFO L134 CoverageAnalysis]: Checked inductivity of 370 backedges. 198 proven. 0 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked. [2022-11-21 17:09:34,379 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-21 17:09:34,379 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 17:09:34,379 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [227962456] [2022-11-21 17:09:34,380 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-21 17:09:34,380 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2136333981] [2022-11-21 17:09:34,380 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2136333981] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 17:09:34,380 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 17:09:34,380 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-21 17:09:34,381 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [391775023] [2022-11-21 17:09:34,381 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 17:09:34,381 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-21 17:09:34,381 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 17:09:34,382 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-21 17:09:34,382 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-21 17:09:34,382 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) [2022-11-21 17:09:34,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 17:09:34,572 INFO L93 Difference]: Finished difference Result 339 states and 451 transitions. [2022-11-21 17:09:34,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-21 17:09:34,573 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 [2022-11-21 17:09:34,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 17:09:34,575 INFO L225 Difference]: With dead ends: 339 [2022-11-21 17:09:34,575 INFO L226 Difference]: Without dead ends: 230 [2022-11-21 17:09:34,576 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 [2022-11-21 17:09:34,577 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 [2022-11-21 17:09:34,577 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] [2022-11-21 17:09:34,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230 states. [2022-11-21 17:09:34,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 230 to 194. [2022-11-21 17:09:34,596 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) [2022-11-21 17:09:34,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 254 transitions. [2022-11-21 17:09:34,598 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 254 transitions. Word has length 199 [2022-11-21 17:09:34,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 17:09:34,599 INFO L495 AbstractCegarLoop]: Abstraction has 194 states and 254 transitions. [2022-11-21 17:09:34,599 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) [2022-11-21 17:09:34,599 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 254 transitions. [2022-11-21 17:09:34,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-11-21 17:09:34,602 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:09:34,602 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] [2022-11-21 17:09:34,615 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36c3c241-554d-4506-9846-9c2d588d6a54/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-11-21 17:09:34,819 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36c3c241-554d-4506-9846-9c2d588d6a54/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2022-11-21 17:09:34,820 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 17:09:34,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:09:34,820 INFO L85 PathProgramCache]: Analyzing trace with hash -1629353815, now seen corresponding path program 1 times [2022-11-21 17:09:34,820 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:09:34,820 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1280708199] [2022-11-21 17:09:34,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:09:34,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:09:34,939 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-21 17:09:34,939 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1233375317] [2022-11-21 17:09:34,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:09:34,940 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 17:09:34,940 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36c3c241-554d-4506-9846-9c2d588d6a54/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 17:09:34,941 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36c3c241-554d-4506-9846-9c2d588d6a54/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-21 17:09:34,952 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36c3c241-554d-4506-9846-9c2d588d6a54/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-21 17:09:35,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:09:35,664 INFO L263 TraceCheckSpWp]: Trace formula consists of 2938 conjuncts, 21 conjunts are in the unsatisfiable core [2022-11-21 17:09:35,670 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 17:09:35,707 INFO L134 CoverageAnalysis]: Checked inductivity of 370 backedges. 225 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2022-11-21 17:09:35,707 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-21 17:09:35,707 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 17:09:35,707 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1280708199] [2022-11-21 17:09:35,707 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-21 17:09:35,708 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1233375317] [2022-11-21 17:09:35,708 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1233375317] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 17:09:35,708 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 17:09:35,708 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-21 17:09:35,708 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2044440983] [2022-11-21 17:09:35,708 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 17:09:35,709 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-21 17:09:35,709 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 17:09:35,710 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-21 17:09:35,710 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-21 17:09:35,710 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) [2022-11-21 17:09:35,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 17:09:35,840 INFO L93 Difference]: Finished difference Result 297 states and 385 transitions. [2022-11-21 17:09:35,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-21 17:09:35,840 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 [2022-11-21 17:09:35,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 17:09:35,842 INFO L225 Difference]: With dead ends: 297 [2022-11-21 17:09:35,842 INFO L226 Difference]: Without dead ends: 169 [2022-11-21 17:09:35,843 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 [2022-11-21 17:09:35,843 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 [2022-11-21 17:09:35,844 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] [2022-11-21 17:09:35,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states. [2022-11-21 17:09:35,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 169. [2022-11-21 17:09:35,859 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) [2022-11-21 17:09:35,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 216 transitions. [2022-11-21 17:09:35,861 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 216 transitions. Word has length 199 [2022-11-21 17:09:35,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 17:09:35,862 INFO L495 AbstractCegarLoop]: Abstraction has 169 states and 216 transitions. [2022-11-21 17:09:35,862 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) [2022-11-21 17:09:35,862 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 216 transitions. [2022-11-21 17:09:35,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2022-11-21 17:09:35,865 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:09:35,865 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] [2022-11-21 17:09:35,883 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36c3c241-554d-4506-9846-9c2d588d6a54/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-11-21 17:09:36,076 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36c3c241-554d-4506-9846-9c2d588d6a54/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 17:09:36,077 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 17:09:36,077 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:09:36,077 INFO L85 PathProgramCache]: Analyzing trace with hash 140333254, now seen corresponding path program 1 times [2022-11-21 17:09:36,077 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:09:36,077 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [466628350] [2022-11-21 17:09:36,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:09:36,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:09:36,158 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-21 17:09:36,158 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [389581328] [2022-11-21 17:09:36,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:09:36,159 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 17:09:36,159 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36c3c241-554d-4506-9846-9c2d588d6a54/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 17:09:36,160 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36c3c241-554d-4506-9846-9c2d588d6a54/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-21 17:09:36,191 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36c3c241-554d-4506-9846-9c2d588d6a54/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-11-21 17:09:37,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:09:37,271 INFO L263 TraceCheckSpWp]: Trace formula consists of 2979 conjuncts, 369 conjunts are in the unsatisfiable core [2022-11-21 17:09:37,287 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 17:09:37,315 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-21 17:09:37,445 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 [2022-11-21 17:09:37,480 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 [2022-11-21 17:09:37,644 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 [2022-11-21 17:09:37,672 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 [2022-11-21 17:09:37,887 INFO L321 Elim1Store]: treesize reduction 60, result has 24.1 percent of original size [2022-11-21 17:09:37,887 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 [2022-11-21 17:09:38,043 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 [2022-11-21 17:09:38,076 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 [2022-11-21 17:09:38,093 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 [2022-11-21 17:09:38,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 17:09:38,129 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 [2022-11-21 17:09:38,183 INFO L321 Elim1Store]: treesize reduction 60, result has 24.1 percent of original size [2022-11-21 17:09:38,183 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 [2022-11-21 17:09:39,056 INFO L321 Elim1Store]: treesize reduction 136, result has 24.9 percent of original size [2022-11-21 17:09:39,057 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 [2022-11-21 17:09:39,073 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 [2022-11-21 17:09:43,211 INFO L321 Elim1Store]: treesize reduction 448, result has 32.0 percent of original size [2022-11-21 17:09:43,211 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 [2022-11-21 17:09:43,256 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-21 17:09:43,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 17:09:43,273 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 [2022-11-21 17:10:30,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 17:10:30,231 INFO L321 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2022-11-21 17:10:30,231 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 [2022-11-21 17:10:32,336 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 [2022-11-21 17:10:32,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 17:10:32,579 INFO L321 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2022-11-21 17:10:32,579 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 [2022-11-21 17:10:34,726 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 [2022-11-21 17:10:35,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 17:10:35,121 INFO L321 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2022-11-21 17:10:35,121 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 [2022-11-21 17:10:37,242 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 [2022-11-21 17:10:37,857 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-21 17:10:37,860 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 [2022-11-21 17:10:40,066 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 [2022-11-21 17:10:40,414 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-21 17:10:40,417 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 [2022-11-21 17:10:42,597 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 [2022-11-21 17:10:42,789 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-21 17:10:42,795 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 [2022-11-21 17:10:45,010 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 [2022-11-21 17:10:45,346 INFO L321 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2022-11-21 17:10:45,347 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 [2022-11-21 17:10:47,509 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 [2022-11-21 17:10:47,721 INFO L321 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2022-11-21 17:10:47,721 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 [2022-11-21 17:10:49,872 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 [2022-11-21 17:10:50,370 INFO L321 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2022-11-21 17:10:50,370 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 [2022-11-21 17:10:52,582 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 [2022-11-21 17:10:53,033 INFO L321 Elim1Store]: treesize reduction 12, result has 60.0 percent of original size [2022-11-21 17:10:53,033 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 [2022-11-21 17:10:54,246 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 [2022-11-21 17:10:56,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 17:10:56,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 17:10:56,579 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 [2022-11-21 17:11:01,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 17:11:01,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 17:11:01,225 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 [2022-11-21 17:11:01,680 INFO L321 Elim1Store]: treesize reduction 12, result has 60.0 percent of original size [2022-11-21 17:11:01,681 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 [2022-11-21 17:11:03,518 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 [2022-11-21 17:11:03,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 17:11:03,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 17:11:03,636 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 [2022-11-21 17:11:08,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 17:11:08,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 17:11:08,152 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 [2022-11-21 17:11:12,567 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 [2022-11-21 17:11:13,175 INFO L321 Elim1Store]: treesize reduction 25, result has 16.7 percent of original size [2022-11-21 17:11:13,176 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 [2022-11-21 17:11:15,304 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 [2022-11-21 17:11:15,513 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 [2022-11-21 17:11:15,792 INFO L321 Elim1Store]: treesize reduction 25, result has 16.7 percent of original size [2022-11-21 17:11:15,792 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 [2022-11-21 17:11:17,981 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 [2022-11-21 17:11:18,209 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 [2022-11-21 17:11:18,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 17:11:18,681 INFO L321 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2022-11-21 17:11:18,681 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 [2022-11-21 17:11:18,743 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 [2022-11-21 17:11:21,622 INFO L321 Elim1Store]: treesize reduction 12, result has 60.0 percent of original size [2022-11-21 17:11:21,622 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 [2022-11-21 17:11:21,928 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 [2022-11-21 17:11:24,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 17:11:24,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 17:11:24,173 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 [2022-11-21 17:11:26,640 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 [2022-11-21 17:11:26,867 INFO L321 Elim1Store]: treesize reduction 12, result has 60.0 percent of original size [2022-11-21 17:11:26,867 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 [2022-11-21 17:11:27,030 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 [2022-11-21 17:11:29,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 17:11:29,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 17:11:29,365 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 [2022-11-21 17:11:32,511 INFO L321 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2022-11-21 17:11:32,512 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 [2022-11-21 17:11:32,571 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 [2022-11-21 17:11:34,924 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-21 17:11:34,928 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 [2022-11-21 17:11:37,113 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 [2022-11-21 17:11:37,429 INFO L321 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2022-11-21 17:11:37,429 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 [2022-11-21 17:11:39,563 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 [2022-11-21 17:11:39,989 INFO L321 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2022-11-21 17:11:39,990 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 [2022-11-21 17:11:40,035 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-21 17:12:54,721 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 [2022-11-21 17:12:57,022 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 [2022-11-21 17:12:59,760 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 [2022-11-21 17:13:14,403 INFO L321 Elim1Store]: treesize reduction 47, result has 17.5 percent of original size [2022-11-21 17:13:14,404 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 [2022-11-21 17:13:14,617 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 [2022-11-21 17:13:14,978 INFO L321 Elim1Store]: treesize reduction 89, result has 13.6 percent of original size [2022-11-21 17:13:14,978 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 [2022-11-21 17:13:19,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 17:13:19,692 INFO L321 Elim1Store]: treesize reduction 95, result has 12.8 percent of original size [2022-11-21 17:13:19,692 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 [2022-11-21 17:13:20,011 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 [2022-11-21 17:13:22,671 INFO L321 Elim1Store]: treesize reduction 86, result has 14.0 percent of original size [2022-11-21 17:13:22,671 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 [2022-11-21 17:13:25,318 INFO L321 Elim1Store]: treesize reduction 32, result has 23.8 percent of original size [2022-11-21 17:13:25,318 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 [2022-11-21 17:13:27,637 INFO L321 Elim1Store]: treesize reduction 123, result has 0.8 percent of original size [2022-11-21 17:13:27,637 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 [2022-11-21 17:13:29,837 INFO L321 Elim1Store]: treesize reduction 102, result has 1.0 percent of original size [2022-11-21 17:13:29,838 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 [2022-11-21 17:13:32,136 INFO L321 Elim1Store]: treesize reduction 71, result has 1.4 percent of original size [2022-11-21 17:13:32,136 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 [2022-11-21 17:13:34,403 INFO L321 Elim1Store]: treesize reduction 74, result has 1.3 percent of original size [2022-11-21 17:13:34,404 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 [2022-11-21 17:13:34,865 INFO L321 Elim1Store]: treesize reduction 56, result has 1.8 percent of original size [2022-11-21 17:13:34,865 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 [2022-11-21 17:13:35,067 INFO L321 Elim1Store]: treesize reduction 53, result has 1.9 percent of original size [2022-11-21 17:13:35,067 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 [2022-11-21 17:13:37,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 17:13:37,332 INFO L321 Elim1Store]: treesize reduction 87, result has 1.1 percent of original size [2022-11-21 17:13:37,332 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 [2022-11-21 17:13:39,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 17:13:39,602 INFO L321 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2022-11-21 17:13:39,602 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 [2022-11-21 17:13:41,711 INFO L321 Elim1Store]: treesize reduction 87, result has 1.1 percent of original size [2022-11-21 17:13:41,712 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 [2022-11-21 17:13:44,342 INFO L321 Elim1Store]: treesize reduction 75, result has 1.3 percent of original size [2022-11-21 17:13:44,342 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 [2022-11-21 17:13:46,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 17:13:46,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 17:13:46,619 INFO L321 Elim1Store]: treesize reduction 75, result has 1.3 percent of original size [2022-11-21 17:13:46,620 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 [2022-11-21 17:13:46,835 INFO L321 Elim1Store]: treesize reduction 77, result has 1.3 percent of original size [2022-11-21 17:13:46,836 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 [2022-11-21 17:13:46,999 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-21 17:13:47,054 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-21 17:13:50,640 INFO L321 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2022-11-21 17:13:50,641 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 [2022-11-21 17:13:52,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 17:13:53,016 INFO L321 Elim1Store]: treesize reduction 53, result has 1.9 percent of original size [2022-11-21 17:13:53,016 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 [2022-11-21 17:13:55,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 17:13:55,687 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-21 17:13:55,690 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 [2022-11-21 17:13:56,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 17:13:56,790 INFO L321 Elim1Store]: treesize reduction 41, result has 2.4 percent of original size [2022-11-21 17:13:56,791 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 [2022-11-21 17:13:59,344 INFO L321 Elim1Store]: treesize reduction 41, result has 2.4 percent of original size [2022-11-21 17:13:59,344 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 [2022-11-21 17:14:03,258 INFO L321 Elim1Store]: treesize reduction 53, result has 1.9 percent of original size [2022-11-21 17:14:03,259 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 [2022-11-21 17:14:03,565 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 [2022-11-21 17:14:07,438 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 [2022-11-21 17:14:08,219 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 [2022-11-21 17:14:10,398 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 [2022-11-21 17:14:17,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 17:14:17,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 17:14:17,936 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 [2022-11-21 17:14:22,258 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 [2022-11-21 17:14:26,030 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 [2022-11-21 17:14:30,086 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 [2022-11-21 17:14:31,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 17:14:31,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 17:14:31,637 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 [2022-11-21 17:14:31,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 17:14:31,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 17:14:31,818 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 [2022-11-21 17:14:32,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 17:14:32,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 17:14:32,051 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 [2022-11-21 17:14:32,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 17:14:32,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 17:14:32,521 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 [2022-11-21 17:14:34,930 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 [2022-11-21 17:14:41,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 17:14:41,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 17:14:41,360 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 [2022-11-21 17:14:41,612 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 [2022-11-21 17:14:41,670 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 [2022-11-21 17:14:41,706 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 [2022-11-21 17:14:42,167 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 [2022-11-21 17:14:42,230 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 [2022-11-21 17:15:05,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 17:15:05,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 17:15:05,524 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 [2022-11-21 17:15:10,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 17:15:10,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 17:15:10,484 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 [2022-11-21 17:15:14,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 17:15:14,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 17:15:14,338 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 [2022-11-21 17:15:15,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 17:15:15,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 17:15:15,890 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 [2022-11-21 17:15:18,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 17:15:18,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 17:15:18,118 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 [2022-11-21 17:15:31,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 17:15:31,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 17:15:31,531 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 [2022-11-21 17:15:31,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 17:15:31,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 17:15:31,674 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 [2022-11-21 17:15:31,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 17:15:31,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 17:15:31,839 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 [2022-11-21 17:15:32,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 17:15:32,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 17:15:32,025 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 [2022-11-21 17:15:32,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 17:15:32,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 17:15:32,303 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 [2022-11-21 17:15:32,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 17:15:32,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 17:15:32,422 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 [2022-11-21 17:19:32,649 WARN L233 SmtUtils]: Spent 3.64m 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) [2022-11-21 17:20:00,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 17:20:00,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 17:20:00,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 17:20:00,704 INFO L321 Elim1Store]: treesize reduction 37, result has 35.1 percent of original size [2022-11-21 17:20:00,704 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 [2022-11-21 17:20:00,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 17:20:00,722 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-21 17:20:00,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 17:20:00,723 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-21 17:20:00,854 INFO L321 Elim1Store]: treesize reduction 18, result has 47.1 percent of original size [2022-11-21 17:20:00,855 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 [2022-11-21 17:20:48,224 WARN L233 SmtUtils]: Spent 6.08s on a formula simplification. DAG size of input: 251 DAG size of output: 81 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-21 17:20:48,225 INFO L321 Elim1Store]: treesize reduction 625, result has 18.7 percent of original size [2022-11-21 17:20:48,225 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 [2022-11-21 17:20:49,387 INFO L134 CoverageAnalysis]: Checked inductivity of 410 backedges. 110 proven. 244 refuted. 1 times theorem prover too weak. 43 trivial. 12 not checked. [2022-11-21 17:20:49,388 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-21 17:21:03,754 WARN L233 SmtUtils]: Spent 13.13s 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) [2022-11-21 17:21:14,347 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 17:21:14,347 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [466628350] [2022-11-21 17:21:14,347 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-21 17:21:14,347 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [389581328] [2022-11-21 17:21:14,347 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [389581328] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-21 17:21:14,347 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-11-21 17:21:14,347 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [66] total 66 [2022-11-21 17:21:14,348 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [284969042] [2022-11-21 17:21:14,348 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-11-21 17:21:14,348 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 66 states [2022-11-21 17:21:14,349 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 17:21:14,349 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 66 interpolants. [2022-11-21 17:21:14,351 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=249, Invalid=4141, Unknown=44, NotChecked=396, Total=4830 [2022-11-21 17:21:14,351 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) [2022-11-21 17:21:16,936 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] [2022-11-21 17:21:19,648 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.71s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-21 17:21:22,604 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-21 17:21:25,274 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-21 17:21:28,494 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-21 17:21:29,597 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:21:34,612 WARN L539 Checker$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] [2022-11-21 17:21:38,071 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-21 17:21:43,266 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-21 17:22:04,847 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-21 17:22:47,477 WARN L233 SmtUtils]: Spent 33.98s on a formula simplification. DAG size of input: 144 DAG size of output: 123 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-21 17:23:19,005 WARN L233 SmtUtils]: Spent 27.76s on a formula simplification. DAG size of input: 115 DAG size of output: 104 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-21 17:23:23,218 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-21 17:23:25,220 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-21 17:23:40,125 WARN L233 SmtUtils]: Spent 10.52s on a formula simplification. DAG size of input: 130 DAG size of output: 118 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-21 17:23:48,808 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-21 17:23:51,658 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-21 17:23:54,984 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-21 17:23:59,400 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-21 17:24:01,615 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-21 17:24:05,911 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]