./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_array_list_pop_front_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5e519f3a 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_e4580b5a-02b5-4a04-8b72-e8435a7fb8ea/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4580b5a-02b5-4a04-8b72-e8435a7fb8ea/bin/uautomizer-Dbtcem3rbc/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4580b5a-02b5-4a04-8b72-e8435a7fb8ea/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4580b5a-02b5-4a04-8b72-e8435a7fb8ea/bin/uautomizer-Dbtcem3rbc/config/AutomizerReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_array_list_pop_front_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4580b5a-02b5-4a04-8b72-e8435a7fb8ea/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4580b5a-02b5-4a04-8b72-e8435a7fb8ea/bin/uautomizer-Dbtcem3rbc --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 971edb75bb0f677639f0c3e5b019bf9afe7575a35e63ddba584727b568db50c6 --- 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-5e519f3 [2022-11-02 20:33:07,688 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-02 20:33:07,691 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-02 20:33:07,741 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-02 20:33:07,742 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-02 20:33:07,747 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-02 20:33:07,750 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-02 20:33:07,753 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-02 20:33:07,755 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-02 20:33:07,762 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-02 20:33:07,763 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-02 20:33:07,764 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-02 20:33:07,765 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-02 20:33:07,767 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-02 20:33:07,768 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-02 20:33:07,770 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-02 20:33:07,772 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-02 20:33:07,773 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-02 20:33:07,774 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-02 20:33:07,781 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-02 20:33:07,783 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-02 20:33:07,785 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-02 20:33:07,789 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-02 20:33:07,790 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-02 20:33:07,796 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-02 20:33:07,796 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-02 20:33:07,797 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-02 20:33:07,799 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-02 20:33:07,799 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-02 20:33:07,800 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-02 20:33:07,801 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-02 20:33:07,802 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-02 20:33:07,804 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-02 20:33:07,805 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-02 20:33:07,807 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-02 20:33:07,808 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-02 20:33:07,808 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-02 20:33:07,809 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-02 20:33:07,809 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-02 20:33:07,810 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-02 20:33:07,811 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-02 20:33:07,812 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4580b5a-02b5-4a04-8b72-e8435a7fb8ea/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-02 20:33:07,859 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-02 20:33:07,860 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-02 20:33:07,860 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-02 20:33:07,861 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-02 20:33:07,862 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-02 20:33:07,862 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-02 20:33:07,862 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-02 20:33:07,863 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-02 20:33:07,863 INFO L138 SettingsManager]: * Use SBE=true [2022-11-02 20:33:07,863 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-02 20:33:07,864 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-02 20:33:07,865 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-02 20:33:07,865 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-02 20:33:07,865 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-02 20:33:07,865 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-02 20:33:07,865 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-02 20:33:07,866 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-02 20:33:07,866 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-02 20:33:07,866 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-02 20:33:07,866 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-02 20:33:07,866 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-02 20:33:07,867 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:33:07,867 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-02 20:33:07,867 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-02 20:33:07,867 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-02 20:33:07,868 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-02 20:33:07,868 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-02 20:33:07,868 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-02 20:33:07,868 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-02 20:33:07,868 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-02 20:33:07,869 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_e4580b5a-02b5-4a04-8b72-e8435a7fb8ea/bin/uautomizer-Dbtcem3rbc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4580b5a-02b5-4a04-8b72-e8435a7fb8ea/bin/uautomizer-Dbtcem3rbc Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 971edb75bb0f677639f0c3e5b019bf9afe7575a35e63ddba584727b568db50c6 [2022-11-02 20:33:08,189 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-02 20:33:08,217 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-02 20:33:08,220 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-02 20:33:08,221 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-02 20:33:08,222 INFO L275 PluginConnector]: CDTParser initialized [2022-11-02 20:33:08,224 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4580b5a-02b5-4a04-8b72-e8435a7fb8ea/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/aws-c-common/aws_array_list_pop_front_harness.i [2022-11-02 20:33:08,298 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4580b5a-02b5-4a04-8b72-e8435a7fb8ea/bin/uautomizer-Dbtcem3rbc/data/fa2d0a7e9/48ec8250c44c4471b6f33406a8a0cb26/FLAG5c1f0b16e [2022-11-02 20:33:09,178 INFO L306 CDTParser]: Found 1 translation units. [2022-11-02 20:33:09,179 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4580b5a-02b5-4a04-8b72-e8435a7fb8ea/sv-benchmarks/c/aws-c-common/aws_array_list_pop_front_harness.i [2022-11-02 20:33:09,217 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4580b5a-02b5-4a04-8b72-e8435a7fb8ea/bin/uautomizer-Dbtcem3rbc/data/fa2d0a7e9/48ec8250c44c4471b6f33406a8a0cb26/FLAG5c1f0b16e [2022-11-02 20:33:09,671 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4580b5a-02b5-4a04-8b72-e8435a7fb8ea/bin/uautomizer-Dbtcem3rbc/data/fa2d0a7e9/48ec8250c44c4471b6f33406a8a0cb26 [2022-11-02 20:33:09,673 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-02 20:33:09,678 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-02 20:33:09,680 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-02 20:33:09,681 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-02 20:33:09,684 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-02 20:33:09,685 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:33:09" (1/1) ... [2022-11-02 20:33:09,686 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a52807d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:33:09, skipping insertion in model container [2022-11-02 20:33:09,687 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:33:09" (1/1) ... [2022-11-02 20:33:09,694 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-02 20:33:09,827 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-02 20:33:10,121 WARN L230 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_e4580b5a-02b5-4a04-8b72-e8435a7fb8ea/sv-benchmarks/c/aws-c-common/aws_array_list_pop_front_harness.i[4498,4511] [2022-11-02 20:33:10,129 WARN L230 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_e4580b5a-02b5-4a04-8b72-e8435a7fb8ea/sv-benchmarks/c/aws-c-common/aws_array_list_pop_front_harness.i[4558,4571] [2022-11-02 20:33:11,063 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-02 20:33:11,138 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 20:33:11,138 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 20:33:11,139 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 20:33:11,140 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 20:33:11,141 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 20:33:11,155 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 20:33:11,156 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 20:33:11,158 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 20:33:11,164 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 20:33:11,166 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 20:33:11,167 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 20:33:11,168 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 20:33:11,168 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 20:33:11,551 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-02 20:33:11,556 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-02 20:33:11,557 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-02 20:33:11,562 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-02 20:33:11,569 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-02 20:33:11,570 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-02 20:33:11,572 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-02 20:33:11,574 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-02 20:33:11,577 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-02 20:33:11,579 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-02 20:33:11,786 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 20:33:11,794 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 20:33:11,892 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:33:11,919 INFO L203 MainTranslator]: Completed pre-run [2022-11-02 20:33:11,933 WARN L230 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_e4580b5a-02b5-4a04-8b72-e8435a7fb8ea/sv-benchmarks/c/aws-c-common/aws_array_list_pop_front_harness.i[4498,4511] [2022-11-02 20:33:11,934 WARN L230 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_e4580b5a-02b5-4a04-8b72-e8435a7fb8ea/sv-benchmarks/c/aws-c-common/aws_array_list_pop_front_harness.i[4558,4571] [2022-11-02 20:33:11,967 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-02 20:33:11,982 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 20:33:11,983 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 20:33:11,983 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 20:33:11,984 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 20:33:11,984 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 20:33:11,991 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 20:33:11,991 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 20:33:11,992 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 20:33:11,993 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 20:33:11,994 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 20:33:11,995 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 20:33:11,995 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 20:33:11,996 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 20:33:12,030 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-02 20:33:12,031 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-02 20:33:12,032 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-02 20:33:12,033 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-02 20:33:12,034 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-02 20:33:12,034 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-02 20:33:12,035 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-02 20:33:12,035 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-02 20:33:12,036 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-02 20:33:12,036 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-02 20:33:12,065 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 20:33:12,104 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 20:33:12,131 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:33:12,346 INFO L208 MainTranslator]: Completed translation [2022-11-02 20:33:12,347 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:33:12 WrapperNode [2022-11-02 20:33:12,347 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-02 20:33:12,348 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-02 20:33:12,348 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-02 20:33:12,349 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-02 20:33:12,356 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:33:12" (1/1) ... [2022-11-02 20:33:12,462 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:33:12" (1/1) ... [2022-11-02 20:33:12,523 INFO L138 Inliner]: procedures = 691, calls = 1684, calls flagged for inlining = 51, calls inlined = 10, statements flattened = 684 [2022-11-02 20:33:12,524 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-02 20:33:12,525 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-02 20:33:12,525 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-02 20:33:12,525 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-02 20:33:12,535 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:33:12" (1/1) ... [2022-11-02 20:33:12,536 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:33:12" (1/1) ... [2022-11-02 20:33:12,544 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:33:12" (1/1) ... [2022-11-02 20:33:12,544 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:33:12" (1/1) ... [2022-11-02 20:33:12,569 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:33:12" (1/1) ... [2022-11-02 20:33:12,572 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:33:12" (1/1) ... [2022-11-02 20:33:12,578 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:33:12" (1/1) ... [2022-11-02 20:33:12,581 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:33:12" (1/1) ... [2022-11-02 20:33:12,589 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-02 20:33:12,590 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-02 20:33:12,590 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-02 20:33:12,590 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-02 20:33:12,591 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:33:12" (1/1) ... [2022-11-02 20:33:12,598 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:33:12,610 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4580b5a-02b5-4a04-8b72-e8435a7fb8ea/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:33:12,637 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4580b5a-02b5-4a04-8b72-e8435a7fb8ea/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-02 20:33:12,668 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4580b5a-02b5-4a04-8b72-e8435a7fb8ea/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-02 20:33:12,691 INFO L130 BoogieDeclarations]: Found specification of procedure memmove_impl [2022-11-02 20:33:12,692 INFO L138 BoogieDeclarations]: Found implementation of procedure memmove_impl [2022-11-02 20:33:12,693 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-02 20:33:12,694 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2022-11-02 20:33:12,694 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2022-11-02 20:33:12,695 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2022-11-02 20:33:12,696 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2022-11-02 20:33:12,696 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2022-11-02 20:33:12,697 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2022-11-02 20:33:12,697 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-02 20:33:12,697 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2022-11-02 20:33:12,697 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2022-11-02 20:33:12,698 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-11-02 20:33:12,698 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-11-02 20:33:12,698 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-02 20:33:12,698 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-02 20:33:12,698 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-02 20:33:12,699 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-02 20:33:12,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-02 20:33:12,699 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2022-11-02 20:33:12,699 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2022-11-02 20:33:12,699 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2022-11-02 20:33:12,699 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2022-11-02 20:33:12,700 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2022-11-02 20:33:12,701 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2022-11-02 20:33:12,701 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_length [2022-11-02 20:33:12,701 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_length [2022-11-02 20:33:12,701 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-02 20:33:12,702 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-02 20:33:12,702 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-02 20:33:12,702 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-02 20:33:12,702 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-02 20:33:12,703 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2022-11-02 20:33:12,703 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2022-11-02 20:33:12,703 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2022-11-02 20:33:12,703 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2022-11-02 20:33:12,704 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-02 20:33:12,704 INFO L130 BoogieDeclarations]: Found specification of procedure my_memmove [2022-11-02 20:33:12,704 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memmove [2022-11-02 20:33:12,704 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_pop_front [2022-11-02 20:33:12,704 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_pop_front [2022-11-02 20:33:12,705 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2022-11-02 20:33:12,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2022-11-02 20:33:12,705 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-02 20:33:13,149 INFO L235 CfgBuilder]: Building ICFG [2022-11-02 20:33:13,152 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-02 20:33:14,317 INFO L276 CfgBuilder]: Performing block encoding [2022-11-02 20:33:14,333 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-02 20:33:14,333 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-02 20:33:14,336 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:33:14 BoogieIcfgContainer [2022-11-02 20:33:14,336 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-02 20:33:14,340 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-02 20:33:14,341 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-02 20:33:14,344 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-02 20:33:14,344 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 08:33:09" (1/3) ... [2022-11-02 20:33:14,346 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b12317b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:33:14, skipping insertion in model container [2022-11-02 20:33:14,346 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:33:12" (2/3) ... [2022-11-02 20:33:14,346 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b12317b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:33:14, skipping insertion in model container [2022-11-02 20:33:14,346 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:33:14" (3/3) ... [2022-11-02 20:33:14,348 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_array_list_pop_front_harness.i [2022-11-02 20:33:14,368 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-02 20:33:14,369 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-02 20:33:14,463 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-02 20:33:14,477 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;@3fd07661, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-02 20:33:14,477 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-02 20:33:14,485 INFO L276 IsEmpty]: Start isEmpty. Operand has 185 states, 110 states have (on average 1.2) internal successors, (132), 111 states have internal predecessors, (132), 57 states have call successors, (57), 16 states have call predecessors, (57), 16 states have return successors, (57), 57 states have call predecessors, (57), 57 states have call successors, (57) [2022-11-02 20:33:14,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2022-11-02 20:33:14,501 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:33:14,502 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:33:14,503 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:33:14,512 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:33:14,513 INFO L85 PathProgramCache]: Analyzing trace with hash 928387541, now seen corresponding path program 1 times [2022-11-02 20:33:14,526 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:33:14,526 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1253300158] [2022-11-02 20:33:14,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:33:14,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:33:14,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:33:15,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 20:33:15,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:33:15,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:33:15,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:33:15,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-02 20:33:15,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:33:15,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:33:15,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:33:15,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-11-02 20:33:15,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:33:15,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-11-02 20:33:15,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:33:15,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-02 20:33:15,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:33:15,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-02 20:33:15,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:33:15,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-11-02 20:33:15,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:33:15,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-02 20:33:15,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:33:15,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-02 20:33:15,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:33:15,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-02 20:33:15,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:33:15,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-11-02 20:33:15,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:33:15,519 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2022-11-02 20:33:15,520 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:33:15,520 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1253300158] [2022-11-02 20:33:15,521 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1253300158] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:33:15,522 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:33:15,523 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-02 20:33:15,525 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1981378624] [2022-11-02 20:33:15,526 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:33:15,533 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-02 20:33:15,533 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:33:15,575 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-02 20:33:15,576 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-02 20:33:15,578 INFO L87 Difference]: Start difference. First operand has 185 states, 110 states have (on average 1.2) internal successors, (132), 111 states have internal predecessors, (132), 57 states have call successors, (57), 16 states have call predecessors, (57), 16 states have return successors, (57), 57 states have call predecessors, (57), 57 states have call successors, (57) Second operand has 4 states, 4 states have (on average 7.75) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (16), 4 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-11-02 20:33:16,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:33:16,516 INFO L93 Difference]: Finished difference Result 413 states and 633 transitions. [2022-11-02 20:33:16,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-02 20:33:16,519 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (16), 4 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 84 [2022-11-02 20:33:16,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:33:16,544 INFO L225 Difference]: With dead ends: 413 [2022-11-02 20:33:16,544 INFO L226 Difference]: Without dead ends: 230 [2022-11-02 20:33:16,554 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-02 20:33:16,559 INFO L413 NwaCegarLoop]: 243 mSDtfsCounter, 70 mSDsluCounter, 102 mSDsCounter, 0 mSdLazyCounter, 257 mSolverCounterSat, 86 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 345 SdHoareTripleChecker+Invalid, 343 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 86 IncrementalHoareTripleChecker+Valid, 257 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-11-02 20:33:16,566 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 345 Invalid, 343 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [86 Valid, 257 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-11-02 20:33:16,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230 states. [2022-11-02 20:33:16,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 230 to 180. [2022-11-02 20:33:16,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 180 states, 106 states have (on average 1.1886792452830188) internal successors, (126), 107 states have internal predecessors, (126), 57 states have call successors, (57), 16 states have call predecessors, (57), 16 states have return successors, (56), 56 states have call predecessors, (56), 56 states have call successors, (56) [2022-11-02 20:33:16,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 239 transitions. [2022-11-02 20:33:16,663 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 239 transitions. Word has length 84 [2022-11-02 20:33:16,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:33:16,663 INFO L495 AbstractCegarLoop]: Abstraction has 180 states and 239 transitions. [2022-11-02 20:33:16,664 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (16), 4 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-11-02 20:33:16,664 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 239 transitions. [2022-11-02 20:33:16,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2022-11-02 20:33:16,667 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:33:16,667 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:33:16,668 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-02 20:33:16,668 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:33:16,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:33:16,669 INFO L85 PathProgramCache]: Analyzing trace with hash -734960815, now seen corresponding path program 1 times [2022-11-02 20:33:16,669 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:33:16,669 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [78452210] [2022-11-02 20:33:16,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:33:16,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:33:16,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:33:17,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 20:33:17,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:33:17,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:33:17,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:33:17,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-02 20:33:17,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:33:17,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:33:17,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:33:17,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-11-02 20:33:17,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:33:17,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-11-02 20:33:17,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:33:17,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-02 20:33:17,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:33:17,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-02 20:33:17,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:33:17,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-11-02 20:33:17,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:33:17,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-02 20:33:17,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:33:17,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-02 20:33:17,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:33:17,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-02 20:33:17,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:33:17,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-11-02 20:33:17,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:33:17,351 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2022-11-02 20:33:17,352 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:33:17,352 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [78452210] [2022-11-02 20:33:17,352 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [78452210] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-02 20:33:17,352 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [5477858] [2022-11-02 20:33:17,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:33:17,353 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:33:17,353 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4580b5a-02b5-4a04-8b72-e8435a7fb8ea/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:33:17,364 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4580b5a-02b5-4a04-8b72-e8435a7fb8ea/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 20:33:17,365 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4580b5a-02b5-4a04-8b72-e8435a7fb8ea/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-02 20:33:17,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:33:17,871 INFO L263 TraceCheckSpWp]: Trace formula consists of 2131 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-02 20:33:17,880 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:33:17,992 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-11-02 20:33:17,992 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-02 20:33:17,993 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [5477858] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:33:17,993 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-02 20:33:17,993 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [7] total 11 [2022-11-02 20:33:17,994 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1365683243] [2022-11-02 20:33:17,994 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:33:17,995 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-02 20:33:17,995 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:33:17,996 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-02 20:33:17,996 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2022-11-02 20:33:17,996 INFO L87 Difference]: Start difference. First operand 180 states and 239 transitions. Second operand has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 6 states have internal predecessors, (37), 3 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2022-11-02 20:33:18,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:33:18,355 INFO L93 Difference]: Finished difference Result 325 states and 446 transitions. [2022-11-02 20:33:18,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-02 20:33:18,356 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 6 states have internal predecessors, (37), 3 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 84 [2022-11-02 20:33:18,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:33:18,358 INFO L225 Difference]: With dead ends: 325 [2022-11-02 20:33:18,358 INFO L226 Difference]: Without dead ends: 182 [2022-11-02 20:33:18,359 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2022-11-02 20:33:18,360 INFO L413 NwaCegarLoop]: 192 mSDtfsCounter, 245 mSDsluCounter, 514 mSDsCounter, 0 mSdLazyCounter, 188 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 265 SdHoareTripleChecker+Valid, 706 SdHoareTripleChecker+Invalid, 229 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 188 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-02 20:33:18,361 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [265 Valid, 706 Invalid, 229 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 188 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-02 20:33:18,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2022-11-02 20:33:18,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 182. [2022-11-02 20:33:18,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 182 states, 107 states have (on average 1.1869158878504673) internal successors, (127), 109 states have internal predecessors, (127), 57 states have call successors, (57), 16 states have call predecessors, (57), 17 states have return successors, (66), 56 states have call predecessors, (66), 56 states have call successors, (66) [2022-11-02 20:33:18,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 250 transitions. [2022-11-02 20:33:18,397 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 250 transitions. Word has length 84 [2022-11-02 20:33:18,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:33:18,397 INFO L495 AbstractCegarLoop]: Abstraction has 182 states and 250 transitions. [2022-11-02 20:33:18,398 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 6 states have internal predecessors, (37), 3 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2022-11-02 20:33:18,398 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 250 transitions. [2022-11-02 20:33:18,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2022-11-02 20:33:18,407 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:33:18,407 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:33:18,451 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4580b5a-02b5-4a04-8b72-e8435a7fb8ea/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-02 20:33:18,627 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4580b5a-02b5-4a04-8b72-e8435a7fb8ea/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:33:18,627 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:33:18,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:33:18,628 INFO L85 PathProgramCache]: Analyzing trace with hash -1141222523, now seen corresponding path program 1 times [2022-11-02 20:33:18,628 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:33:18,628 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [71915179] [2022-11-02 20:33:18,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:33:18,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:33:18,699 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-02 20:33:18,700 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [689489056] [2022-11-02 20:33:18,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:33:18,700 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:33:18,700 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4580b5a-02b5-4a04-8b72-e8435a7fb8ea/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:33:18,701 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4580b5a-02b5-4a04-8b72-e8435a7fb8ea/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 20:33:18,717 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4580b5a-02b5-4a04-8b72-e8435a7fb8ea/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-02 20:33:19,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:33:19,204 INFO L263 TraceCheckSpWp]: Trace formula consists of 2272 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-02 20:33:19,209 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:33:19,306 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2022-11-02 20:33:19,306 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-02 20:33:19,306 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:33:19,306 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [71915179] [2022-11-02 20:33:19,307 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-02 20:33:19,307 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [689489056] [2022-11-02 20:33:19,307 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [689489056] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:33:19,307 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:33:19,307 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-02 20:33:19,308 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [188467029] [2022-11-02 20:33:19,308 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:33:19,308 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-02 20:33:19,308 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:33:19,309 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-02 20:33:19,309 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-11-02 20:33:19,309 INFO L87 Difference]: Start difference. First operand 182 states and 250 transitions. Second operand has 8 states, 7 states have (on average 7.285714285714286) internal successors, (51), 7 states have internal predecessors, (51), 4 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (15), 3 states have call predecessors, (15), 4 states have call successors, (15) [2022-11-02 20:33:19,888 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:33:19,888 INFO L93 Difference]: Finished difference Result 317 states and 440 transitions. [2022-11-02 20:33:19,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-02 20:33:19,889 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 7.285714285714286) internal successors, (51), 7 states have internal predecessors, (51), 4 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (15), 3 states have call predecessors, (15), 4 states have call successors, (15) Word has length 99 [2022-11-02 20:33:19,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:33:19,891 INFO L225 Difference]: With dead ends: 317 [2022-11-02 20:33:19,891 INFO L226 Difference]: Without dead ends: 182 [2022-11-02 20:33:19,892 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2022-11-02 20:33:19,893 INFO L413 NwaCegarLoop]: 177 mSDtfsCounter, 265 mSDsluCounter, 757 mSDsCounter, 0 mSdLazyCounter, 349 mSolverCounterSat, 127 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 269 SdHoareTripleChecker+Valid, 934 SdHoareTripleChecker+Invalid, 476 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 127 IncrementalHoareTripleChecker+Valid, 349 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-02 20:33:19,894 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [269 Valid, 934 Invalid, 476 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [127 Valid, 349 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-02 20:33:19,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2022-11-02 20:33:19,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 182. [2022-11-02 20:33:19,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 182 states, 107 states have (on average 1.1869158878504673) internal successors, (127), 109 states have internal predecessors, (127), 57 states have call successors, (57), 16 states have call predecessors, (57), 17 states have return successors, (63), 56 states have call predecessors, (63), 56 states have call successors, (63) [2022-11-02 20:33:19,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 247 transitions. [2022-11-02 20:33:19,922 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 247 transitions. Word has length 99 [2022-11-02 20:33:19,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:33:19,922 INFO L495 AbstractCegarLoop]: Abstraction has 182 states and 247 transitions. [2022-11-02 20:33:19,923 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 7.285714285714286) internal successors, (51), 7 states have internal predecessors, (51), 4 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (15), 3 states have call predecessors, (15), 4 states have call successors, (15) [2022-11-02 20:33:19,923 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 247 transitions. [2022-11-02 20:33:19,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-11-02 20:33:19,924 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:33:19,925 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:33:19,973 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4580b5a-02b5-4a04-8b72-e8435a7fb8ea/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-02 20:33:20,150 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4580b5a-02b5-4a04-8b72-e8435a7fb8ea/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:33:20,151 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:33:20,151 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:33:20,151 INFO L85 PathProgramCache]: Analyzing trace with hash 232916013, now seen corresponding path program 2 times [2022-11-02 20:33:20,151 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:33:20,151 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [761683339] [2022-11-02 20:33:20,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:33:20,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:33:20,240 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-02 20:33:20,241 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [125767259] [2022-11-02 20:33:20,241 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-02 20:33:20,241 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:33:20,241 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4580b5a-02b5-4a04-8b72-e8435a7fb8ea/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:33:20,242 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4580b5a-02b5-4a04-8b72-e8435a7fb8ea/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 20:33:20,289 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4580b5a-02b5-4a04-8b72-e8435a7fb8ea/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-02 20:33:21,086 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-02 20:33:21,086 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-02 20:33:21,100 INFO L263 TraceCheckSpWp]: Trace formula consists of 2413 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-02 20:33:21,105 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:33:21,260 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2022-11-02 20:33:21,261 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-02 20:33:21,261 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:33:21,261 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [761683339] [2022-11-02 20:33:21,261 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-02 20:33:21,261 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [125767259] [2022-11-02 20:33:21,262 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [125767259] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:33:21,262 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:33:21,262 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-11-02 20:33:21,262 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1889629694] [2022-11-02 20:33:21,262 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:33:21,263 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-02 20:33:21,263 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:33:21,264 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-02 20:33:21,264 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2022-11-02 20:33:21,264 INFO L87 Difference]: Start difference. First operand 182 states and 247 transitions. Second operand has 10 states, 10 states have (on average 4.6) internal successors, (46), 8 states have internal predecessors, (46), 5 states have call successors, (18), 4 states have call predecessors, (18), 2 states have return successors, (15), 5 states have call predecessors, (15), 4 states have call successors, (15) [2022-11-02 20:33:22,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:33:22,029 INFO L93 Difference]: Finished difference Result 326 states and 450 transitions. [2022-11-02 20:33:22,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-02 20:33:22,030 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 4.6) internal successors, (46), 8 states have internal predecessors, (46), 5 states have call successors, (18), 4 states have call predecessors, (18), 2 states have return successors, (15), 5 states have call predecessors, (15), 4 states have call successors, (15) Word has length 114 [2022-11-02 20:33:22,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:33:22,032 INFO L225 Difference]: With dead ends: 326 [2022-11-02 20:33:22,032 INFO L226 Difference]: Without dead ends: 194 [2022-11-02 20:33:22,033 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=51, Invalid=221, Unknown=0, NotChecked=0, Total=272 [2022-11-02 20:33:22,034 INFO L413 NwaCegarLoop]: 174 mSDtfsCounter, 283 mSDsluCounter, 1062 mSDsCounter, 0 mSdLazyCounter, 554 mSolverCounterSat, 139 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 287 SdHoareTripleChecker+Valid, 1236 SdHoareTripleChecker+Invalid, 693 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 139 IncrementalHoareTripleChecker+Valid, 554 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-02 20:33:22,035 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [287 Valid, 1236 Invalid, 693 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [139 Valid, 554 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-02 20:33:22,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194 states. [2022-11-02 20:33:22,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 194. [2022-11-02 20:33:22,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 194 states, 113 states have (on average 1.1858407079646018) internal successors, (134), 115 states have internal predecessors, (134), 62 states have call successors, (62), 17 states have call predecessors, (62), 18 states have return successors, (68), 61 states have call predecessors, (68), 61 states have call successors, (68) [2022-11-02 20:33:22,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 264 transitions. [2022-11-02 20:33:22,082 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 264 transitions. Word has length 114 [2022-11-02 20:33:22,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:33:22,082 INFO L495 AbstractCegarLoop]: Abstraction has 194 states and 264 transitions. [2022-11-02 20:33:22,083 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.6) internal successors, (46), 8 states have internal predecessors, (46), 5 states have call successors, (18), 4 states have call predecessors, (18), 2 states have return successors, (15), 5 states have call predecessors, (15), 4 states have call successors, (15) [2022-11-02 20:33:22,083 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 264 transitions. [2022-11-02 20:33:22,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2022-11-02 20:33:22,085 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:33:22,085 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:33:22,118 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4580b5a-02b5-4a04-8b72-e8435a7fb8ea/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-11-02 20:33:22,307 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4580b5a-02b5-4a04-8b72-e8435a7fb8ea/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:33:22,307 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:33:22,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:33:22,308 INFO L85 PathProgramCache]: Analyzing trace with hash -159680425, now seen corresponding path program 1 times [2022-11-02 20:33:22,308 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:33:22,311 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [692368879] [2022-11-02 20:33:22,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:33:22,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:33:22,437 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-02 20:33:22,440 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1724411657] [2022-11-02 20:33:22,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:33:22,441 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:33:22,441 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4580b5a-02b5-4a04-8b72-e8435a7fb8ea/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:33:22,442 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4580b5a-02b5-4a04-8b72-e8435a7fb8ea/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 20:33:22,460 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4580b5a-02b5-4a04-8b72-e8435a7fb8ea/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-02 20:33:23,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:33:23,774 INFO L263 TraceCheckSpWp]: Trace formula consists of 2695 conjuncts, 331 conjunts are in the unsatisfiable core [2022-11-02 20:33:23,796 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:33:23,845 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-02 20:33:24,053 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-02 20:33:24,350 WARN L855 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_338 Int) (|v___CPROVER_overflow_mult_~#c~1.base_18| Int)) (and (= (select |c_old(#valid)| |v___CPROVER_overflow_mult_~#c~1.base_18|) 0) (= |c_#valid| (store |c_old(#valid)| |v___CPROVER_overflow_mult_~#c~1.base_18| v_ArrVal_338)))) (exists ((v_ArrVal_339 (Array Int Int))) (= (store |c_old(#memory_int)| |c_aws_mul_size_checked_#in~r#1.base| v_ArrVal_339) |c_#memory_int|))) is different from true [2022-11-02 20:33:24,948 INFO L356 Elim1Store]: treesize reduction 53, result has 32.9 percent of original size [2022-11-02 20:33:24,949 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 41 treesize of output 53 [2022-11-02 20:33:24,959 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-02 20:33:25,313 INFO L356 Elim1Store]: treesize reduction 60, result has 24.1 percent of original size [2022-11-02 20:33:25,313 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-02 20:33:28,542 INFO L356 Elim1Store]: treesize reduction 276, result has 36.0 percent of original size [2022-11-02 20:33:28,543 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 8 new quantified variables, introduced 26 case distinctions, treesize of input 193 treesize of output 360 [2022-11-02 20:33:28,583 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-02 20:33:28,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-02 20:33:28,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-02 20:33:28,693 INFO L356 Elim1Store]: treesize reduction 28, result has 52.5 percent of original size [2022-11-02 20:33:28,694 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 167 treesize of output 208 [2022-11-02 20:34:03,365 INFO L356 Elim1Store]: treesize reduction 17, result has 19.0 percent of original size [2022-11-02 20:34:03,366 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 75 treesize of output 61 [2022-11-02 20:34:03,459 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-02 20:34:05,701 INFO L356 Elim1Store]: treesize reduction 28, result has 44.0 percent of original size [2022-11-02 20:34:05,702 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 105 treesize of output 99 [2022-11-02 20:34:05,800 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 17 treesize of output 15 [2022-11-02 20:34:08,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-02 20:34:08,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-02 20:34:08,143 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 73 treesize of output 51 [2022-11-02 20:34:10,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-02 20:34:10,971 INFO L244 Elim1Store]: Index analysis took 264 ms [2022-11-02 20:34:11,013 INFO L356 Elim1Store]: treesize reduction 12, result has 60.0 percent of original size [2022-11-02 20:34:11,013 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 105 treesize of output 95 [2022-11-02 20:34:11,064 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 17 treesize of output 15 [2022-11-02 20:34:13,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-02 20:34:13,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-02 20:34:13,435 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 73 treesize of output 51 [2022-11-02 20:34:15,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-02 20:34:15,920 INFO L356 Elim1Store]: treesize reduction 20, result has 4.8 percent of original size [2022-11-02 20:34:15,921 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 75 treesize of output 1 [2022-11-02 20:34:16,115 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-02 20:34:16,119 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 52 [2022-11-02 20:34:18,380 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-02 20:34:18,541 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-02 20:34:18,544 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 52 [2022-11-02 20:34:20,684 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-02 20:34:20,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-02 20:34:20,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-02 20:34:20,890 INFO L356 Elim1Store]: treesize reduction 20, result has 4.8 percent of original size [2022-11-02 20:34:20,891 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 75 treesize of output 57 [2022-11-02 20:34:20,902 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-02 20:34:23,129 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-02 20:34:23,132 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 52 [2022-11-02 20:34:23,226 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-02 20:34:25,770 INFO L356 Elim1Store]: treesize reduction 54, result has 28.9 percent of original size [2022-11-02 20:34:25,771 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 105 treesize of output 99 [2022-11-02 20:34:25,854 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 17 treesize of output 15 [2022-11-02 20:34:26,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-02 20:34:26,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-02 20:34:26,023 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 73 treesize of output 51 [2022-11-02 20:34:30,441 INFO L356 Elim1Store]: treesize reduction 75, result has 1.3 percent of original size [2022-11-02 20:34:30,442 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 105 treesize of output 1 [2022-11-02 20:34:31,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-02 20:34:31,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-02 20:34:31,608 INFO L356 Elim1Store]: treesize reduction 20, result has 4.8 percent of original size [2022-11-02 20:34:31,609 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 75 treesize of output 57 [2022-11-02 20:34:33,624 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-02 20:34:33,821 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-02 20:34:33,824 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 52 [2022-11-02 20:34:33,930 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-02 20:34:36,187 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-02 20:34:36,190 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 52 [2022-11-02 20:34:38,313 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-02 20:34:38,615 INFO L356 Elim1Store]: treesize reduction 54, result has 28.9 percent of original size [2022-11-02 20:34:38,615 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 105 treesize of output 99 [2022-11-02 20:34:38,791 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 17 treesize of output 15 [2022-11-02 20:34:41,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-02 20:34:41,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-02 20:34:41,438 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 73 treesize of output 51 [2022-11-02 20:34:44,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-02 20:34:44,095 INFO L356 Elim1Store]: treesize reduction 20, result has 4.8 percent of original size [2022-11-02 20:34:44,095 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 75 treesize of output 57 [2022-11-02 20:34:46,211 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-02 20:34:46,792 INFO L356 Elim1Store]: treesize reduction 61, result has 29.9 percent of original size [2022-11-02 20:34:46,793 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 472 treesize of output 430 [2022-11-02 20:35:04,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-02 20:35:04,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-02 20:35:04,369 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 78 treesize of output 54 [2022-11-02 20:35:04,467 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 25 treesize of output 21 [2022-11-02 20:35:06,848 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-02 20:35:09,142 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-02 20:35:09,759 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 25 treesize of output 21 [2022-11-02 20:35:12,509 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-02 20:35:14,892 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-02 20:35:14,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-02 20:35:14,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-02 20:35:14,996 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 73 treesize of output 51 [2022-11-02 20:35:17,847 INFO L356 Elim1Store]: treesize reduction 39, result has 2.5 percent of original size [2022-11-02 20:35:17,847 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 3 case distinctions, treesize of input 39 treesize of output 3 [2022-11-02 20:35:17,967 INFO L356 Elim1Store]: treesize reduction 39, result has 2.5 percent of original size [2022-11-02 20:35:17,967 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 3 case distinctions, treesize of input 34 treesize of output 3 [2022-11-02 20:35:23,270 INFO L356 Elim1Store]: treesize reduction 74, result has 1.3 percent of original size [2022-11-02 20:35:23,271 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 5 case distinctions, treesize of input 44 treesize of output 7 [2022-11-02 20:35:29,377 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-02 20:35:29,378 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 1 [2022-11-02 20:35:29,498 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-02 20:35:29,499 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 33 treesize of output 1 [2022-11-02 20:35:31,772 INFO L356 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2022-11-02 20:35:31,773 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 1 [2022-11-02 20:35:41,148 INFO L356 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2022-11-02 20:35:41,149 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 39 treesize of output 3 [2022-11-02 20:35:41,509 INFO L356 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2022-11-02 20:35:41,509 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 39 treesize of output 3 [2022-11-02 20:35:41,642 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 3 [2022-11-02 20:35:46,495 INFO L356 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2022-11-02 20:35:46,496 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 3 [2022-11-02 20:35:48,469 INFO L356 Elim1Store]: treesize reduction 27, result has 3.6 percent of original size [2022-11-02 20:35:48,469 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 3 [2022-11-02 20:35:49,192 INFO L356 Elim1Store]: treesize reduction 27, result has 3.6 percent of original size [2022-11-02 20:35:49,193 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 3 [2022-11-02 20:35:49,359 INFO L356 Elim1Store]: treesize reduction 39, result has 2.5 percent of original size [2022-11-02 20:35:49,359 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 39 treesize of output 3 [2022-11-02 20:35:51,769 INFO L356 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2022-11-02 20:35:51,769 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 1 [2022-11-02 20:35:52,069 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-02 20:35:52,075 INFO L356 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2022-11-02 20:35:52,076 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 1