./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_array_list_swap_contents_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c77b5d7-e7fc-4cfa-87f5-7cf5fbf73272/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c77b5d7-e7fc-4cfa-87f5-7cf5fbf73272/bin/utaipan-vmNK8stdcF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c77b5d7-e7fc-4cfa-87f5-7cf5fbf73272/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c77b5d7-e7fc-4cfa-87f5-7cf5fbf73272/bin/utaipan-vmNK8stdcF/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_array_list_swap_contents_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c77b5d7-e7fc-4cfa-87f5-7cf5fbf73272/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c77b5d7-e7fc-4cfa-87f5-7cf5fbf73272/bin/utaipan-vmNK8stdcF --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 877e83a63a602219ce02028b5212cf6c29aa8f33a031ee39d52c3c671213dc91 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-12 22:53:44,660 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-12 22:53:44,662 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-12 22:53:44,692 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-12 22:53:44,693 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-12 22:53:44,694 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-12 22:53:44,696 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-12 22:53:44,699 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-12 22:53:44,701 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-12 22:53:44,702 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-12 22:53:44,703 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-12 22:53:44,705 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-12 22:53:44,705 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-12 22:53:44,707 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-12 22:53:44,708 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-12 22:53:44,710 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-12 22:53:44,711 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-12 22:53:44,712 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-12 22:53:44,715 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-12 22:53:44,718 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-12 22:53:44,720 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-12 22:53:44,722 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-12 22:53:44,724 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-12 22:53:44,725 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-12 22:53:44,729 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-12 22:53:44,730 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-12 22:53:44,730 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-12 22:53:44,731 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-12 22:53:44,732 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-12 22:53:44,733 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-12 22:53:44,734 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-12 22:53:44,735 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-12 22:53:44,736 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-12 22:53:44,737 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-12 22:53:44,738 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-12 22:53:44,739 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-12 22:53:44,739 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-12 22:53:44,740 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-12 22:53:44,740 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-12 22:53:44,741 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-12 22:53:44,742 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-12 22:53:44,743 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c77b5d7-e7fc-4cfa-87f5-7cf5fbf73272/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-12 22:53:44,768 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-12 22:53:44,774 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-12 22:53:44,775 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-12 22:53:44,776 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-12 22:53:44,776 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-12 22:53:44,776 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-12 22:53:44,776 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-12 22:53:44,777 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-12 22:53:44,777 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-12 22:53:44,777 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-12 22:53:44,777 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-12 22:53:44,777 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-12 22:53:44,778 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-12 22:53:44,778 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-12 22:53:44,778 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-12 22:53:44,779 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-12 22:53:44,779 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-12 22:53:44,780 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-12 22:53:44,780 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-12 22:53:44,780 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-12 22:53:44,780 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-12 22:53:44,780 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-12 22:53:44,781 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-12 22:53:44,781 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-12 22:53:44,781 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-12 22:53:44,781 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-12 22:53:44,782 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-12 22:53:44,782 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-12 22:53:44,782 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 22:53:44,783 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-12 22:53:44,783 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-12 22:53:44,783 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-12 22:53:44,783 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-12 22:53:44,784 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-12 22:53:44,784 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-12 22:53:44,784 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-12 22:53:44,784 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-12 22:53:44,784 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_0c77b5d7-e7fc-4cfa-87f5-7cf5fbf73272/bin/utaipan-vmNK8stdcF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c77b5d7-e7fc-4cfa-87f5-7cf5fbf73272/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 877e83a63a602219ce02028b5212cf6c29aa8f33a031ee39d52c3c671213dc91 [2021-11-12 22:53:45,007 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-12 22:53:45,033 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-12 22:53:45,035 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-12 22:53:45,037 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-12 22:53:45,038 INFO L275 PluginConnector]: CDTParser initialized [2021-11-12 22:53:45,040 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c77b5d7-e7fc-4cfa-87f5-7cf5fbf73272/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/aws-c-common/aws_array_list_swap_contents_harness.i [2021-11-12 22:53:45,121 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c77b5d7-e7fc-4cfa-87f5-7cf5fbf73272/bin/utaipan-vmNK8stdcF/data/00988cab7/0e7bac38537f411583babcf908d04556/FLAG376d2eec2 [2021-11-12 22:53:46,062 INFO L306 CDTParser]: Found 1 translation units. [2021-11-12 22:53:46,063 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c77b5d7-e7fc-4cfa-87f5-7cf5fbf73272/sv-benchmarks/c/aws-c-common/aws_array_list_swap_contents_harness.i [2021-11-12 22:53:46,113 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c77b5d7-e7fc-4cfa-87f5-7cf5fbf73272/bin/utaipan-vmNK8stdcF/data/00988cab7/0e7bac38537f411583babcf908d04556/FLAG376d2eec2 [2021-11-12 22:53:46,497 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c77b5d7-e7fc-4cfa-87f5-7cf5fbf73272/bin/utaipan-vmNK8stdcF/data/00988cab7/0e7bac38537f411583babcf908d04556 [2021-11-12 22:53:46,500 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-12 22:53:46,502 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-12 22:53:46,504 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-12 22:53:46,504 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-12 22:53:46,508 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-12 22:53:46,509 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 10:53:46" (1/1) ... [2021-11-12 22:53:46,510 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@aec018e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:53:46, skipping insertion in model container [2021-11-12 22:53:46,511 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 10:53:46" (1/1) ... [2021-11-12 22:53:46,518 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-12 22:53:46,606 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-12 22:53:46,864 WARN L228 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_0c77b5d7-e7fc-4cfa-87f5-7cf5fbf73272/sv-benchmarks/c/aws-c-common/aws_array_list_swap_contents_harness.i[4502,4515] [2021-11-12 22:53:46,870 WARN L228 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_0c77b5d7-e7fc-4cfa-87f5-7cf5fbf73272/sv-benchmarks/c/aws-c-common/aws_array_list_swap_contents_harness.i[4562,4575] [2021-11-12 22:53:46,892 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-12 22:53:46,897 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-12 22:53:47,850 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-12 22:53:47,947 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:53:47,947 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:53:47,948 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:53:47,948 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:53:47,952 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:53:47,980 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:53:47,980 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:53:47,982 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:53:47,982 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:53:47,984 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:53:47,985 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:53:47,985 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:53:47,986 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:53:48,363 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-12 22:53:48,364 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-12 22:53:48,366 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-12 22:53:48,367 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-12 22:53:48,369 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-12 22:53:48,370 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-12 22:53:48,371 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-12 22:53:48,373 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-12 22:53:48,374 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-12 22:53:48,375 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-12 22:53:48,602 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:53:48,615 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:53:48,752 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 22:53:48,808 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2021-11-12 22:53:48,809 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7b966952 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:53:48, skipping insertion in model container [2021-11-12 22:53:48,809 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-12 22:53:48,809 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-12 22:53:48,812 INFO L158 Benchmark]: Toolchain (without parser) took 2308.74ms. Allocated memory was 94.4MB in the beginning and 113.2MB in the end (delta: 18.9MB). Free memory was 64.0MB in the beginning and 74.1MB in the end (delta: -10.2MB). Peak memory consumption was 38.2MB. Max. memory is 16.1GB. [2021-11-12 22:53:48,813 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 94.4MB. Free memory was 67.5MB in the beginning and 67.5MB in the end (delta: 44.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-12 22:53:48,815 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2305.48ms. Allocated memory was 94.4MB in the beginning and 113.2MB in the end (delta: 18.9MB). Free memory was 63.6MB in the beginning and 74.6MB in the end (delta: -11.1MB). Peak memory consumption was 38.2MB. Max. memory is 16.1GB. [2021-11-12 22:53:48,818 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 94.4MB. Free memory was 67.5MB in the beginning and 67.5MB in the end (delta: 44.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2305.48ms. Allocated memory was 94.4MB in the beginning and 113.2MB in the end (delta: 18.9MB). Free memory was 63.6MB in the beginning and 74.6MB in the end (delta: -11.1MB). Peak memory consumption was 38.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2886]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c77b5d7-e7fc-4cfa-87f5-7cf5fbf73272/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c77b5d7-e7fc-4cfa-87f5-7cf5fbf73272/bin/utaipan-vmNK8stdcF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c77b5d7-e7fc-4cfa-87f5-7cf5fbf73272/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c77b5d7-e7fc-4cfa-87f5-7cf5fbf73272/bin/utaipan-vmNK8stdcF/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_array_list_swap_contents_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c77b5d7-e7fc-4cfa-87f5-7cf5fbf73272/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c77b5d7-e7fc-4cfa-87f5-7cf5fbf73272/bin/utaipan-vmNK8stdcF --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 877e83a63a602219ce02028b5212cf6c29aa8f33a031ee39d52c3c671213dc91 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-12 22:53:51,036 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-12 22:53:51,039 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-12 22:53:51,090 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-12 22:53:51,091 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-12 22:53:51,095 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-12 22:53:51,097 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-12 22:53:51,101 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-12 22:53:51,105 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-12 22:53:51,112 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-12 22:53:51,113 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-12 22:53:51,115 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-12 22:53:51,116 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-12 22:53:51,118 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-12 22:53:51,120 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-12 22:53:51,124 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-12 22:53:51,126 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-12 22:53:51,127 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-12 22:53:51,129 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-12 22:53:51,136 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-12 22:53:51,138 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-12 22:53:51,139 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-12 22:53:51,141 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-12 22:53:51,144 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-12 22:53:51,152 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-12 22:53:51,153 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-12 22:53:51,153 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-12 22:53:51,155 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-12 22:53:51,156 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-12 22:53:51,157 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-12 22:53:51,157 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-12 22:53:51,159 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-12 22:53:51,161 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-12 22:53:51,161 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-12 22:53:51,163 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-12 22:53:51,163 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-12 22:53:51,182 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-12 22:53:51,183 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-12 22:53:51,183 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-12 22:53:51,185 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-12 22:53:51,186 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-12 22:53:51,191 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c77b5d7-e7fc-4cfa-87f5-7cf5fbf73272/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-12 22:53:51,237 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-12 22:53:51,237 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-12 22:53:51,238 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-12 22:53:51,239 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-12 22:53:51,239 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-12 22:53:51,239 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-12 22:53:51,239 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-12 22:53:51,239 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-12 22:53:51,240 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-12 22:53:51,240 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-12 22:53:51,243 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-12 22:53:51,243 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-12 22:53:51,243 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-12 22:53:51,243 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-12 22:53:51,244 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-12 22:53:51,244 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-12 22:53:51,244 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-12 22:53:51,244 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-12 22:53:51,244 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-12 22:53:51,245 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-12 22:53:51,245 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-12 22:53:51,245 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-12 22:53:51,245 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-12 22:53:51,246 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-12 22:53:51,246 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 22:53:51,246 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-12 22:53:51,246 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-12 22:53:51,246 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-12 22:53:51,247 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-12 22:53:51,247 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-12 22:53:51,247 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-12 22:53:51,247 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-12 22:53:51,248 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-12 22:53:51,248 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_0c77b5d7-e7fc-4cfa-87f5-7cf5fbf73272/bin/utaipan-vmNK8stdcF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c77b5d7-e7fc-4cfa-87f5-7cf5fbf73272/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 877e83a63a602219ce02028b5212cf6c29aa8f33a031ee39d52c3c671213dc91 [2021-11-12 22:53:51,693 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-12 22:53:51,722 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-12 22:53:51,726 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-12 22:53:51,727 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-12 22:53:51,728 INFO L275 PluginConnector]: CDTParser initialized [2021-11-12 22:53:51,730 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c77b5d7-e7fc-4cfa-87f5-7cf5fbf73272/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/aws-c-common/aws_array_list_swap_contents_harness.i [2021-11-12 22:53:51,808 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c77b5d7-e7fc-4cfa-87f5-7cf5fbf73272/bin/utaipan-vmNK8stdcF/data/da18024f8/a8464346bbc34356a97d7ab834b88365/FLAG383eb9384 [2021-11-12 22:53:52,825 INFO L306 CDTParser]: Found 1 translation units. [2021-11-12 22:53:52,825 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c77b5d7-e7fc-4cfa-87f5-7cf5fbf73272/sv-benchmarks/c/aws-c-common/aws_array_list_swap_contents_harness.i [2021-11-12 22:53:52,876 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c77b5d7-e7fc-4cfa-87f5-7cf5fbf73272/bin/utaipan-vmNK8stdcF/data/da18024f8/a8464346bbc34356a97d7ab834b88365/FLAG383eb9384 [2021-11-12 22:53:53,303 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c77b5d7-e7fc-4cfa-87f5-7cf5fbf73272/bin/utaipan-vmNK8stdcF/data/da18024f8/a8464346bbc34356a97d7ab834b88365 [2021-11-12 22:53:53,307 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-12 22:53:53,310 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-12 22:53:53,315 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-12 22:53:53,315 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-12 22:53:53,319 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-12 22:53:53,320 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 10:53:53" (1/1) ... [2021-11-12 22:53:53,321 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62e6f445 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:53:53, skipping insertion in model container [2021-11-12 22:53:53,322 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 10:53:53" (1/1) ... [2021-11-12 22:53:53,330 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-12 22:53:53,463 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-12 22:53:53,794 WARN L228 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_0c77b5d7-e7fc-4cfa-87f5-7cf5fbf73272/sv-benchmarks/c/aws-c-common/aws_array_list_swap_contents_harness.i[4502,4515] [2021-11-12 22:53:53,800 WARN L228 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_0c77b5d7-e7fc-4cfa-87f5-7cf5fbf73272/sv-benchmarks/c/aws-c-common/aws_array_list_swap_contents_harness.i[4562,4575] [2021-11-12 22:53:53,823 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-12 22:53:53,835 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-12 22:53:54,516 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-12 22:53:54,584 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:53:54,585 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:53:54,585 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:53:54,586 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:53:54,587 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:53:54,600 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:53:54,610 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:53:54,612 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:53:54,615 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:53:54,617 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:53:54,626 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:53:54,627 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:53:54,627 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:53:54,952 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-12 22:53:54,953 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-12 22:53:54,954 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-12 22:53:54,956 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-12 22:53:54,958 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-12 22:53:54,958 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-12 22:53:54,959 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-12 22:53:54,960 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-12 22:53:54,961 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-12 22:53:54,961 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-12 22:53:55,147 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:53:55,154 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:53:55,211 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 22:53:55,265 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-12 22:53:55,311 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-12 22:53:55,315 WARN L228 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_0c77b5d7-e7fc-4cfa-87f5-7cf5fbf73272/sv-benchmarks/c/aws-c-common/aws_array_list_swap_contents_harness.i[4502,4515] [2021-11-12 22:53:55,316 WARN L228 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_0c77b5d7-e7fc-4cfa-87f5-7cf5fbf73272/sv-benchmarks/c/aws-c-common/aws_array_list_swap_contents_harness.i[4562,4575] [2021-11-12 22:53:55,317 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-12 22:53:55,318 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-12 22:53:55,352 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-12 22:53:55,384 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:53:55,386 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:53:55,386 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:53:55,389 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:53:55,394 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:53:55,403 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:53:55,403 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:53:55,404 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:53:55,405 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:53:55,406 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:53:55,406 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:53:55,407 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:53:55,407 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:53:55,443 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-12 22:53:55,444 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-12 22:53:55,445 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-12 22:53:55,446 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-12 22:53:55,447 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-12 22:53:55,447 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-12 22:53:55,448 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-12 22:53:55,449 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-12 22:53:55,449 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-12 22:53:55,449 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-12 22:53:55,484 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:53:55,502 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:53:55,543 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 22:53:55,572 INFO L203 MainTranslator]: Completed pre-run [2021-11-12 22:53:55,598 WARN L228 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_0c77b5d7-e7fc-4cfa-87f5-7cf5fbf73272/sv-benchmarks/c/aws-c-common/aws_array_list_swap_contents_harness.i[4502,4515] [2021-11-12 22:53:55,599 WARN L228 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_0c77b5d7-e7fc-4cfa-87f5-7cf5fbf73272/sv-benchmarks/c/aws-c-common/aws_array_list_swap_contents_harness.i[4562,4575] [2021-11-12 22:53:55,600 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-12 22:53:55,601 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-12 22:53:55,637 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-12 22:53:55,687 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:53:55,692 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:53:55,692 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:53:55,693 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:53:55,694 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:53:55,705 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:53:55,707 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:53:55,708 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:53:55,708 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:53:55,709 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:53:55,710 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:53:55,710 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:53:55,711 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:53:55,757 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-12 22:53:55,758 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-12 22:53:55,759 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-12 22:53:55,760 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-12 22:53:55,761 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-12 22:53:55,761 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-12 22:53:55,762 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-12 22:53:55,763 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-12 22:53:55,763 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-12 22:53:55,765 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-12 22:53:55,814 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:53:55,820 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:53:55,847 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 22:53:56,397 INFO L208 MainTranslator]: Completed translation [2021-11-12 22:53:56,397 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:53:56 WrapperNode [2021-11-12 22:53:56,398 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-12 22:53:56,400 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-12 22:53:56,400 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-12 22:53:56,400 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-12 22:53:56,408 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:53:56" (1/1) ... [2021-11-12 22:53:56,551 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:53:56" (1/1) ... [2021-11-12 22:53:56,687 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-12 22:53:56,687 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-12 22:53:56,688 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-12 22:53:56,688 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-12 22:53:56,704 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:53:56" (1/1) ... [2021-11-12 22:53:56,704 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:53:56" (1/1) ... [2021-11-12 22:53:56,714 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:53:56" (1/1) ... [2021-11-12 22:53:56,715 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:53:56" (1/1) ... [2021-11-12 22:53:56,756 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:53:56" (1/1) ... [2021-11-12 22:53:56,770 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:53:56" (1/1) ... [2021-11-12 22:53:56,809 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:53:56" (1/1) ... [2021-11-12 22:53:56,822 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-12 22:53:56,832 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-12 22:53:56,833 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-12 22:53:56,833 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-12 22:53:56,834 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:53:56" (1/1) ... [2021-11-12 22:53:56,841 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 22:53:56,853 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c77b5d7-e7fc-4cfa-87f5-7cf5fbf73272/bin/utaipan-vmNK8stdcF/z3 [2021-11-12 22:53:56,865 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c77b5d7-e7fc-4cfa-87f5-7cf5fbf73272/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-12 22:53:56,898 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c77b5d7-e7fc-4cfa-87f5-7cf5fbf73272/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-12 22:53:56,916 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-12 22:53:56,916 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2021-11-12 22:53:56,916 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2021-11-12 22:53:56,917 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2021-11-12 22:53:56,917 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2021-11-12 22:53:56,917 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2021-11-12 22:53:56,917 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2021-11-12 22:53:56,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-12 22:53:56,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-12 22:53:56,918 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-11-12 22:53:56,918 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2021-11-12 22:53:56,918 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2021-11-12 22:53:56,919 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-12 22:53:56,919 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-12 22:53:56,919 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-12 22:53:56,919 INFO L130 BoogieDeclarations]: Found specification of procedure save_byte_from_array [2021-11-12 22:53:56,919 INFO L138 BoogieDeclarations]: Found implementation of procedure save_byte_from_array [2021-11-12 22:53:56,920 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-12 22:53:56,920 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-12 22:53:56,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-12 22:53:56,920 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2021-11-12 22:53:56,921 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2021-11-12 22:53:56,921 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-12 22:53:56,921 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2021-11-12 22:53:56,921 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2021-11-12 22:53:56,922 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-12 22:53:56,923 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2021-11-12 22:53:56,926 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2021-11-12 22:53:56,926 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-12 22:53:56,926 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-12 22:53:56,926 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-12 22:53:56,926 INFO L130 BoogieDeclarations]: Found specification of procedure __builtin_umull_overflow [2021-11-12 22:53:56,927 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-12 22:53:56,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-12 22:53:56,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-12 22:53:56,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-12 22:53:56,935 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2021-11-12 22:53:56,936 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2021-11-12 22:53:56,936 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2021-11-12 22:53:56,936 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2021-11-12 22:53:56,936 INFO L130 BoogieDeclarations]: Found specification of procedure assert_array_list_equivalence [2021-11-12 22:53:56,936 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_array_list_equivalence [2021-11-12 22:53:56,936 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2021-11-12 22:53:56,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2021-11-12 22:54:13,834 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-12 22:54:13,839 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-12 22:54:13,843 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 10:54:13 BoogieIcfgContainer [2021-11-12 22:54:13,843 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-12 22:54:13,845 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-12 22:54:13,846 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-12 22:54:13,849 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-12 22:54:13,849 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 10:53:53" (1/3) ... [2021-11-12 22:54:13,850 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e1c4786 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 10:54:13, skipping insertion in model container [2021-11-12 22:54:13,851 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:53:56" (2/3) ... [2021-11-12 22:54:13,851 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e1c4786 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 10:54:13, skipping insertion in model container [2021-11-12 22:54:13,851 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 10:54:13" (3/3) ... [2021-11-12 22:54:13,853 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_array_list_swap_contents_harness.i [2021-11-12 22:54:13,860 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-12 22:54:13,860 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-12 22:54:13,930 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-12 22:54:13,937 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-12 22:54:13,938 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-12 22:54:13,962 INFO L276 IsEmpty]: Start isEmpty. Operand has 160 states, 92 states have (on average 1.1630434782608696) internal successors, (107), 93 states have internal predecessors, (107), 52 states have call successors, (52), 14 states have call predecessors, (52), 14 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2021-11-12 22:54:13,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2021-11-12 22:54:13,981 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 22:54:13,983 INFO L514 BasicCegarLoop]: trace histogram [17, 17, 17, 5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 22:54:13,984 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 22:54:13,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 22:54:13,990 INFO L85 PathProgramCache]: Analyzing trace with hash -853348587, now seen corresponding path program 1 times [2021-11-12 22:54:14,016 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 22:54:14,018 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [251084102] [2021-11-12 22:54:14,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 22:54:14,019 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 22:54:14,020 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c77b5d7-e7fc-4cfa-87f5-7cf5fbf73272/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 22:54:14,028 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c77b5d7-e7fc-4cfa-87f5-7cf5fbf73272/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 22:54:14,060 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c77b5d7-e7fc-4cfa-87f5-7cf5fbf73272/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-12 22:54:18,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 22:54:18,425 INFO L263 TraceCheckSpWp]: Trace formula consists of 1930 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-12 22:54:18,445 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 22:54:19,180 INFO L134 CoverageAnalysis]: Checked inductivity of 603 backedges. 276 proven. 0 refuted. 0 times theorem prover too weak. 327 trivial. 0 not checked. [2021-11-12 22:54:19,180 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 22:54:19,654 INFO L134 CoverageAnalysis]: Checked inductivity of 603 backedges. 10 proven. 22 refuted. 0 times theorem prover too weak. 571 trivial. 0 not checked. [2021-11-12 22:54:19,655 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 22:54:19,655 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [251084102] [2021-11-12 22:54:19,656 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [251084102] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-12 22:54:19,656 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-12 22:54:19,656 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2021-11-12 22:54:19,657 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [999956161] [2021-11-12 22:54:19,658 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-12 22:54:19,663 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-12 22:54:19,663 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 22:54:19,692 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-12 22:54:19,693 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-12 22:54:19,696 INFO L87 Difference]: Start difference. First operand has 160 states, 92 states have (on average 1.1630434782608696) internal successors, (107), 93 states have internal predecessors, (107), 52 states have call successors, (52), 14 states have call predecessors, (52), 14 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) Second operand has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2021-11-12 22:54:19,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 22:54:19,743 INFO L93 Difference]: Finished difference Result 316 states and 452 transitions. [2021-11-12 22:54:19,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-12 22:54:19,745 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 174 [2021-11-12 22:54:19,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 22:54:19,756 INFO L225 Difference]: With dead ends: 316 [2021-11-12 22:54:19,756 INFO L226 Difference]: Without dead ends: 155 [2021-11-12 22:54:19,762 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 346 GetRequests, 346 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-12 22:54:19,765 INFO L933 BasicCegarLoop]: 209 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.00ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 209 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.34ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.00ms IncrementalHoareTripleChecker+Time [2021-11-12 22:54:19,766 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 209 Invalid, 0 Unknown, 0 Unchecked, 2.34ms Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.00ms Time] [2021-11-12 22:54:19,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2021-11-12 22:54:19,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 155. [2021-11-12 22:54:19,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 155 states, 88 states have (on average 1.1477272727272727) internal successors, (101), 89 states have internal predecessors, (101), 52 states have call successors, (52), 14 states have call predecessors, (52), 14 states have return successors, (51), 51 states have call predecessors, (51), 51 states have call successors, (51) [2021-11-12 22:54:19,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 204 transitions. [2021-11-12 22:54:19,822 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 204 transitions. Word has length 174 [2021-11-12 22:54:19,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 22:54:19,823 INFO L470 AbstractCegarLoop]: Abstraction has 155 states and 204 transitions. [2021-11-12 22:54:19,824 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2021-11-12 22:54:19,824 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 204 transitions. [2021-11-12 22:54:19,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2021-11-12 22:54:19,829 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 22:54:19,830 INFO L514 BasicCegarLoop]: trace histogram [17, 17, 17, 5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 22:54:19,885 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c77b5d7-e7fc-4cfa-87f5-7cf5fbf73272/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-12 22:54:20,054 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c77b5d7-e7fc-4cfa-87f5-7cf5fbf73272/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 22:54:20,054 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 22:54:20,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 22:54:20,055 INFO L85 PathProgramCache]: Analyzing trace with hash 179931383, now seen corresponding path program 1 times [2021-11-12 22:54:20,062 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 22:54:20,062 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1269006325] [2021-11-12 22:54:20,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 22:54:20,062 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 22:54:20,062 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c77b5d7-e7fc-4cfa-87f5-7cf5fbf73272/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 22:54:20,064 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c77b5d7-e7fc-4cfa-87f5-7cf5fbf73272/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 22:54:20,103 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c77b5d7-e7fc-4cfa-87f5-7cf5fbf73272/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-12 22:54:24,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 22:54:24,198 INFO L263 TraceCheckSpWp]: Trace formula consists of 1930 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 22:54:24,208 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 22:54:24,913 INFO L134 CoverageAnalysis]: Checked inductivity of 603 backedges. 151 proven. 0 refuted. 0 times theorem prover too weak. 452 trivial. 0 not checked. [2021-11-12 22:54:24,913 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 22:54:25,570 INFO L134 CoverageAnalysis]: Checked inductivity of 603 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 591 trivial. 0 not checked. [2021-11-12 22:54:25,570 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 22:54:25,571 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1269006325] [2021-11-12 22:54:25,571 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1269006325] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-12 22:54:25,571 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-12 22:54:25,571 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 6 [2021-11-12 22:54:25,572 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [600517518] [2021-11-12 22:54:25,572 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-12 22:54:25,574 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 22:54:25,574 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 22:54:25,574 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 22:54:25,575 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-12 22:54:25,575 INFO L87 Difference]: Start difference. First operand 155 states and 204 transitions. Second operand has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 3 states have call successors, (31), 2 states have call predecessors, (31), 3 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2021-11-12 22:54:26,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 22:54:26,105 INFO L93 Difference]: Finished difference Result 305 states and 406 transitions. [2021-11-12 22:54:26,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-12 22:54:26,106 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 3 states have call successors, (31), 2 states have call predecessors, (31), 3 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) Word has length 174 [2021-11-12 22:54:26,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 22:54:26,111 INFO L225 Difference]: With dead ends: 305 [2021-11-12 22:54:26,111 INFO L226 Difference]: Without dead ends: 157 [2021-11-12 22:54:26,113 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 347 GetRequests, 342 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2021-11-12 22:54:26,114 INFO L933 BasicCegarLoop]: 184 mSDtfsCounter, 34 mSDsluCounter, 483 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 393.35ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 667 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 9.09ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 461.76ms IncrementalHoareTripleChecker+Time [2021-11-12 22:54:26,115 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [72 Valid, 667 Invalid, 78 Unknown, 0 Unchecked, 9.09ms Time], IncrementalHoareTripleChecker [1 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 461.76ms Time] [2021-11-12 22:54:26,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2021-11-12 22:54:26,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 157. [2021-11-12 22:54:26,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 157 states, 89 states have (on average 1.146067415730337) internal successors, (102), 91 states have internal predecessors, (102), 52 states have call successors, (52), 14 states have call predecessors, (52), 15 states have return successors, (57), 51 states have call predecessors, (57), 51 states have call successors, (57) [2021-11-12 22:54:26,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 211 transitions. [2021-11-12 22:54:26,156 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 211 transitions. Word has length 174 [2021-11-12 22:54:26,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 22:54:26,156 INFO L470 AbstractCegarLoop]: Abstraction has 157 states and 211 transitions. [2021-11-12 22:54:26,157 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 3 states have call successors, (31), 2 states have call predecessors, (31), 3 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2021-11-12 22:54:26,157 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 211 transitions. [2021-11-12 22:54:26,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2021-11-12 22:54:26,162 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 22:54:26,162 INFO L514 BasicCegarLoop]: trace histogram [17, 17, 17, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 22:54:26,204 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c77b5d7-e7fc-4cfa-87f5-7cf5fbf73272/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (3)] Ended with exit code 0 [2021-11-12 22:54:26,377 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c77b5d7-e7fc-4cfa-87f5-7cf5fbf73272/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 22:54:26,377 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 22:54:26,378 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 22:54:26,378 INFO L85 PathProgramCache]: Analyzing trace with hash 432837413, now seen corresponding path program 1 times [2021-11-12 22:54:26,385 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 22:54:26,385 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [187780537] [2021-11-12 22:54:26,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 22:54:26,386 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 22:54:26,386 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c77b5d7-e7fc-4cfa-87f5-7cf5fbf73272/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 22:54:26,394 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c77b5d7-e7fc-4cfa-87f5-7cf5fbf73272/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 22:54:26,396 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c77b5d7-e7fc-4cfa-87f5-7cf5fbf73272/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-12 22:54:31,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 22:54:31,215 INFO L263 TraceCheckSpWp]: Trace formula consists of 2010 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 22:54:31,222 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 22:54:31,884 INFO L134 CoverageAnalysis]: Checked inductivity of 603 backedges. 267 proven. 0 refuted. 0 times theorem prover too weak. 336 trivial. 0 not checked. [2021-11-12 22:54:31,885 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 22:54:32,668 INFO L134 CoverageAnalysis]: Checked inductivity of 603 backedges. 3 proven. 9 refuted. 0 times theorem prover too weak. 591 trivial. 0 not checked. [2021-11-12 22:54:32,668 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 22:54:32,669 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [187780537] [2021-11-12 22:54:32,669 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [187780537] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-12 22:54:32,669 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-12 22:54:32,669 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 6 [2021-11-12 22:54:32,670 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [819396954] [2021-11-12 22:54:32,670 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-12 22:54:32,671 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 22:54:32,671 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 22:54:32,672 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 22:54:32,672 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-12 22:54:32,672 INFO L87 Difference]: Start difference. First operand 157 states and 211 transitions. Second operand has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 3 states have call successors, (31), 2 states have call predecessors, (31), 3 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2021-11-12 22:54:33,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 22:54:33,176 INFO L93 Difference]: Finished difference Result 270 states and 364 transitions. [2021-11-12 22:54:33,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-12 22:54:33,177 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 3 states have call successors, (31), 2 states have call predecessors, (31), 3 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) Word has length 189 [2021-11-12 22:54:33,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 22:54:33,180 INFO L225 Difference]: With dead ends: 270 [2021-11-12 22:54:33,181 INFO L226 Difference]: Without dead ends: 157 [2021-11-12 22:54:33,182 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 378 GetRequests, 373 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2021-11-12 22:54:33,183 INFO L933 BasicCegarLoop]: 184 mSDtfsCounter, 32 mSDsluCounter, 483 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 377.22ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 667 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 9.52ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 432.74ms IncrementalHoareTripleChecker+Time [2021-11-12 22:54:33,184 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [63 Valid, 667 Invalid, 78 Unknown, 0 Unchecked, 9.52ms Time], IncrementalHoareTripleChecker [1 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 432.74ms Time] [2021-11-12 22:54:33,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2021-11-12 22:54:33,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 157. [2021-11-12 22:54:33,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 157 states, 89 states have (on average 1.146067415730337) internal successors, (102), 91 states have internal predecessors, (102), 52 states have call successors, (52), 14 states have call predecessors, (52), 15 states have return successors, (55), 51 states have call predecessors, (55), 51 states have call successors, (55) [2021-11-12 22:54:33,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 209 transitions. [2021-11-12 22:54:33,207 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 209 transitions. Word has length 189 [2021-11-12 22:54:33,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 22:54:33,208 INFO L470 AbstractCegarLoop]: Abstraction has 157 states and 209 transitions. [2021-11-12 22:54:33,209 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 3 states have call successors, (31), 2 states have call predecessors, (31), 3 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2021-11-12 22:54:33,209 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 209 transitions. [2021-11-12 22:54:33,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2021-11-12 22:54:33,214 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 22:54:33,214 INFO L514 BasicCegarLoop]: trace histogram [17, 17, 17, 5, 5, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 22:54:33,265 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c77b5d7-e7fc-4cfa-87f5-7cf5fbf73272/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-12 22:54:33,430 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c77b5d7-e7fc-4cfa-87f5-7cf5fbf73272/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 22:54:33,430 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 22:54:33,431 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 22:54:33,432 INFO L85 PathProgramCache]: Analyzing trace with hash 229772645, now seen corresponding path program 2 times [2021-11-12 22:54:33,440 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 22:54:33,440 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [341916980] [2021-11-12 22:54:33,440 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-12 22:54:33,441 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 22:54:33,441 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c77b5d7-e7fc-4cfa-87f5-7cf5fbf73272/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 22:54:33,442 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c77b5d7-e7fc-4cfa-87f5-7cf5fbf73272/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 22:54:33,461 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c77b5d7-e7fc-4cfa-87f5-7cf5fbf73272/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process