./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_array_list_swap_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0f8a17c6 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b55e25ef-ba14-4e39-b338-0d32a7131d3a/bin/utaipan-UbGMyvGFUs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b55e25ef-ba14-4e39-b338-0d32a7131d3a/bin/utaipan-UbGMyvGFUs/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b55e25ef-ba14-4e39-b338-0d32a7131d3a/bin/utaipan-UbGMyvGFUs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b55e25ef-ba14-4e39-b338-0d32a7131d3a/bin/utaipan-UbGMyvGFUs/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_array_list_swap_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b55e25ef-ba14-4e39-b338-0d32a7131d3a/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b55e25ef-ba14-4e39-b338-0d32a7131d3a/bin/utaipan-UbGMyvGFUs --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 6f838ff631dd7d907eee223e4bc065b6ce71a3dd1969d0a88cef9ccdcf3b54d1 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 14:53:34,526 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 14:53:34,529 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 14:53:34,600 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 14:53:34,601 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 14:53:34,607 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 14:53:34,609 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 14:53:34,614 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 14:53:34,617 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 14:53:34,624 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 14:53:34,625 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 14:53:34,628 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 14:53:34,628 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 14:53:34,631 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 14:53:34,634 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 14:53:34,643 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 14:53:34,645 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 14:53:34,646 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 14:53:34,649 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 14:53:34,659 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 14:53:34,662 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 14:53:34,663 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 14:53:34,667 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 14:53:34,669 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 14:53:34,680 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 14:53:34,680 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 14:53:34,681 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 14:53:34,684 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 14:53:34,684 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 14:53:34,686 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 14:53:34,687 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 14:53:34,688 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 14:53:34,690 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 14:53:34,692 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 14:53:34,693 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 14:53:34,694 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 14:53:34,695 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 14:53:34,695 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 14:53:34,695 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 14:53:34,696 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 14:53:34,697 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 14:53:34,698 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b55e25ef-ba14-4e39-b338-0d32a7131d3a/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-19 14:53:34,748 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 14:53:34,748 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 14:53:34,750 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-19 14:53:34,750 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-19 14:53:34,750 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-19 14:53:34,751 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-19 14:53:34,751 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-19 14:53:34,751 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-19 14:53:34,751 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-19 14:53:34,752 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-19 14:53:34,760 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-19 14:53:34,760 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-19 14:53:34,760 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-19 14:53:34,760 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-19 14:53:34,761 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-19 14:53:34,761 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-19 14:53:34,762 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 14:53:34,762 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-19 14:53:34,762 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 14:53:34,763 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-19 14:53:34,763 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-19 14:53:34,763 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-19 14:53:34,764 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-19 14:53:34,764 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-19 14:53:34,764 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 14:53:34,764 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-19 14:53:34,765 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 14:53:34,765 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-19 14:53:34,765 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 14:53:34,768 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 14:53:34,768 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-19 14:53:34,768 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-19 14:53:34,769 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-19 14:53:34,769 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-19 14:53:34,769 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-19 14:53:34,769 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-19 14:53:34,770 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-19 14:53:34,770 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_b55e25ef-ba14-4e39-b338-0d32a7131d3a/bin/utaipan-UbGMyvGFUs/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b55e25ef-ba14-4e39-b338-0d32a7131d3a/bin/utaipan-UbGMyvGFUs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6f838ff631dd7d907eee223e4bc065b6ce71a3dd1969d0a88cef9ccdcf3b54d1 [2021-11-19 14:53:35,135 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 14:53:35,164 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 14:53:35,168 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 14:53:35,169 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 14:53:35,170 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 14:53:35,172 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b55e25ef-ba14-4e39-b338-0d32a7131d3a/bin/utaipan-UbGMyvGFUs/../../sv-benchmarks/c/aws-c-common/aws_array_list_swap_harness.i [2021-11-19 14:53:35,265 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b55e25ef-ba14-4e39-b338-0d32a7131d3a/bin/utaipan-UbGMyvGFUs/data/3fedc9a30/e2f70a5b84f64d40a765f2dbaa650698/FLAG4bdc27654 [2021-11-19 14:53:36,387 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 14:53:36,388 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b55e25ef-ba14-4e39-b338-0d32a7131d3a/sv-benchmarks/c/aws-c-common/aws_array_list_swap_harness.i [2021-11-19 14:53:36,439 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b55e25ef-ba14-4e39-b338-0d32a7131d3a/bin/utaipan-UbGMyvGFUs/data/3fedc9a30/e2f70a5b84f64d40a765f2dbaa650698/FLAG4bdc27654 [2021-11-19 14:53:36,741 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b55e25ef-ba14-4e39-b338-0d32a7131d3a/bin/utaipan-UbGMyvGFUs/data/3fedc9a30/e2f70a5b84f64d40a765f2dbaa650698 [2021-11-19 14:53:36,744 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 14:53:36,748 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 14:53:36,765 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 14:53:36,765 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 14:53:36,768 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 14:53:36,769 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:53:36" (1/1) ... [2021-11-19 14:53:36,770 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1bcd04a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:36, skipping insertion in model container [2021-11-19 14:53:36,771 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:53:36" (1/1) ... [2021-11-19 14:53:36,779 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 14:53:36,955 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 14:53:37,426 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_b55e25ef-ba14-4e39-b338-0d32a7131d3a/sv-benchmarks/c/aws-c-common/aws_array_list_swap_harness.i[4493,4506] [2021-11-19 14:53:37,439 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_b55e25ef-ba14-4e39-b338-0d32a7131d3a/sv-benchmarks/c/aws-c-common/aws_array_list_swap_harness.i[4553,4566] [2021-11-19 14:53:37,469 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-19 14:53:37,476 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-19 14:53:38,586 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-19 14:53:38,721 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:53:38,725 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:53:38,728 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:53:38,730 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:53:38,733 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:53:38,752 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:53:38,752 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:53:38,761 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:53:38,762 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:53:38,764 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:53:38,767 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:53:38,768 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:53:38,769 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:53:39,255 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-19 14:53:39,257 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-19 14:53:39,259 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-19 14:53:39,260 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-19 14:53:39,262 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-19 14:53:39,263 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-19 14:53:39,264 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-19 14:53:39,265 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-19 14:53:39,266 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-19 14:53:39,267 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-19 14:53:39,444 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:53:39,445 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:53:39,451 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:53:39,459 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:53:39,572 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 14:53:39,632 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) [2021-11-19 14:53:39,633 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@47b2057b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:39, skipping insertion in model container [2021-11-19 14:53:39,633 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 14:53:39,634 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-19 14:53:39,637 INFO L158 Benchmark]: Toolchain (without parser) took 2887.41ms. Allocated memory was 92.3MB in the beginning and 121.6MB in the end (delta: 29.4MB). Free memory was 52.1MB in the beginning and 84.2MB in the end (delta: -32.0MB). Peak memory consumption was 26.5MB. Max. memory is 16.1GB. [2021-11-19 14:53:39,638 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 92.3MB. Free memory was 47.1MB in the beginning and 47.0MB in the end (delta: 77.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-19 14:53:39,640 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2868.71ms. Allocated memory was 92.3MB in the beginning and 121.6MB in the end (delta: 29.4MB). Free memory was 52.0MB in the beginning and 84.2MB in the end (delta: -32.2MB). Peak memory consumption was 26.5MB. Max. memory is 16.1GB. [2021-11-19 14:53:39,642 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 92.3MB. Free memory was 47.1MB in the beginning and 47.0MB in the end (delta: 77.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2868.71ms. Allocated memory was 92.3MB in the beginning and 121.6MB in the end (delta: 29.4MB). Free memory was 52.0MB in the beginning and 84.2MB in the end (delta: -32.2MB). Peak memory consumption was 26.5MB. 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_b55e25ef-ba14-4e39-b338-0d32a7131d3a/bin/utaipan-UbGMyvGFUs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b55e25ef-ba14-4e39-b338-0d32a7131d3a/bin/utaipan-UbGMyvGFUs/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b55e25ef-ba14-4e39-b338-0d32a7131d3a/bin/utaipan-UbGMyvGFUs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b55e25ef-ba14-4e39-b338-0d32a7131d3a/bin/utaipan-UbGMyvGFUs/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_array_list_swap_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b55e25ef-ba14-4e39-b338-0d32a7131d3a/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b55e25ef-ba14-4e39-b338-0d32a7131d3a/bin/utaipan-UbGMyvGFUs --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 6f838ff631dd7d907eee223e4bc065b6ce71a3dd1969d0a88cef9ccdcf3b54d1 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 14:53:42,333 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 14:53:42,335 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 14:53:42,380 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 14:53:42,381 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 14:53:42,382 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 14:53:42,384 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 14:53:42,387 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 14:53:42,394 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 14:53:42,405 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 14:53:42,406 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 14:53:42,408 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 14:53:42,410 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 14:53:42,411 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 14:53:42,413 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 14:53:42,414 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 14:53:42,415 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 14:53:42,416 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 14:53:42,419 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 14:53:42,422 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 14:53:42,424 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 14:53:42,426 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 14:53:42,427 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 14:53:42,428 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 14:53:42,432 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 14:53:42,433 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 14:53:42,433 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 14:53:42,434 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 14:53:42,435 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 14:53:42,436 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 14:53:42,437 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 14:53:42,438 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 14:53:42,439 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 14:53:42,440 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 14:53:42,441 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 14:53:42,442 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 14:53:42,443 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 14:53:42,443 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 14:53:42,444 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 14:53:42,445 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 14:53:42,446 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 14:53:42,447 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b55e25ef-ba14-4e39-b338-0d32a7131d3a/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-19 14:53:42,472 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 14:53:42,472 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 14:53:42,473 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-19 14:53:42,474 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-19 14:53:42,474 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-19 14:53:42,474 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-19 14:53:42,474 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-19 14:53:42,475 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-19 14:53:42,475 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-19 14:53:42,475 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-19 14:53:42,476 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 14:53:42,476 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 14:53:42,477 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-19 14:53:42,477 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-19 14:53:42,477 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-19 14:53:42,478 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-19 14:53:42,478 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-19 14:53:42,478 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-19 14:53:42,478 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-19 14:53:42,479 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 14:53:42,479 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-19 14:53:42,479 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 14:53:42,479 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-19 14:53:42,480 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-19 14:53:42,480 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 14:53:42,480 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 14:53:42,481 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-19 14:53:42,481 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-19 14:53:42,481 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-19 14:53:42,481 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-19 14:53:42,482 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-19 14:53:42,482 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-19 14:53:42,482 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-19 14:53:42,482 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_b55e25ef-ba14-4e39-b338-0d32a7131d3a/bin/utaipan-UbGMyvGFUs/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b55e25ef-ba14-4e39-b338-0d32a7131d3a/bin/utaipan-UbGMyvGFUs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6f838ff631dd7d907eee223e4bc065b6ce71a3dd1969d0a88cef9ccdcf3b54d1 [2021-11-19 14:53:42,906 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 14:53:42,937 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 14:53:42,942 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 14:53:42,944 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 14:53:42,945 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 14:53:42,947 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b55e25ef-ba14-4e39-b338-0d32a7131d3a/bin/utaipan-UbGMyvGFUs/../../sv-benchmarks/c/aws-c-common/aws_array_list_swap_harness.i [2021-11-19 14:53:43,041 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b55e25ef-ba14-4e39-b338-0d32a7131d3a/bin/utaipan-UbGMyvGFUs/data/ca37ce901/faef1244c2f74663ae6304ee4e57f245/FLAG71ceb7a90 [2021-11-19 14:53:44,207 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 14:53:44,208 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b55e25ef-ba14-4e39-b338-0d32a7131d3a/sv-benchmarks/c/aws-c-common/aws_array_list_swap_harness.i [2021-11-19 14:53:44,266 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b55e25ef-ba14-4e39-b338-0d32a7131d3a/bin/utaipan-UbGMyvGFUs/data/ca37ce901/faef1244c2f74663ae6304ee4e57f245/FLAG71ceb7a90 [2021-11-19 14:53:44,569 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b55e25ef-ba14-4e39-b338-0d32a7131d3a/bin/utaipan-UbGMyvGFUs/data/ca37ce901/faef1244c2f74663ae6304ee4e57f245 [2021-11-19 14:53:44,573 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 14:53:44,575 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 14:53:44,577 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 14:53:44,577 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 14:53:44,581 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 14:53:44,582 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:53:44" (1/1) ... [2021-11-19 14:53:44,584 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@211682f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:44, skipping insertion in model container [2021-11-19 14:53:44,584 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:53:44" (1/1) ... [2021-11-19 14:53:44,607 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 14:53:44,757 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 14:53:45,162 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_b55e25ef-ba14-4e39-b338-0d32a7131d3a/sv-benchmarks/c/aws-c-common/aws_array_list_swap_harness.i[4493,4506] [2021-11-19 14:53:45,170 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_b55e25ef-ba14-4e39-b338-0d32a7131d3a/sv-benchmarks/c/aws-c-common/aws_array_list_swap_harness.i[4553,4566] [2021-11-19 14:53:45,196 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-19 14:53:45,203 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-19 14:53:46,293 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-19 14:53:46,426 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:53:46,427 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:53:46,427 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:53:46,431 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:53:46,433 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:53:46,456 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:53:46,457 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:53:46,460 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:53:46,461 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:53:46,463 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:53:46,464 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:53:46,465 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:53:46,466 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:53:47,011 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-19 14:53:47,012 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-19 14:53:47,014 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-19 14:53:47,016 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-19 14:53:47,018 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-19 14:53:47,019 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-19 14:53:47,020 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-19 14:53:47,021 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-19 14:53:47,022 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-19 14:53:47,023 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-19 14:53:47,227 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:53:47,228 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:53:47,235 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:53:47,244 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:53:47,338 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 14:53:47,418 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-19 14:53:47,507 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 14:53:47,538 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_b55e25ef-ba14-4e39-b338-0d32a7131d3a/sv-benchmarks/c/aws-c-common/aws_array_list_swap_harness.i[4493,4506] [2021-11-19 14:53:47,539 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_b55e25ef-ba14-4e39-b338-0d32a7131d3a/sv-benchmarks/c/aws-c-common/aws_array_list_swap_harness.i[4553,4566] [2021-11-19 14:53:47,542 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-19 14:53:47,543 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-19 14:53:47,624 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-19 14:53:47,659 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:53:47,659 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:53:47,660 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:53:47,661 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:53:47,662 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:53:47,681 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:53:47,685 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:53:47,687 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:53:47,690 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:53:47,692 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:53:47,695 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:53:47,699 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:53:47,699 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:53:47,776 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-19 14:53:47,777 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-19 14:53:47,778 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-19 14:53:47,791 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-19 14:53:47,793 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-19 14:53:47,794 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-19 14:53:47,798 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-19 14:53:47,799 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-19 14:53:47,800 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-19 14:53:47,801 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-19 14:53:47,878 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:53:47,879 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:53:47,881 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:53:47,888 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:53:47,916 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 14:53:47,938 INFO L203 MainTranslator]: Completed pre-run [2021-11-19 14:53:47,956 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_b55e25ef-ba14-4e39-b338-0d32a7131d3a/sv-benchmarks/c/aws-c-common/aws_array_list_swap_harness.i[4493,4506] [2021-11-19 14:53:47,956 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_b55e25ef-ba14-4e39-b338-0d32a7131d3a/sv-benchmarks/c/aws-c-common/aws_array_list_swap_harness.i[4553,4566] [2021-11-19 14:53:47,959 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-19 14:53:47,960 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-19 14:53:47,996 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-19 14:53:48,031 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:53:48,032 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:53:48,032 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:53:48,033 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:53:48,034 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:53:48,041 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:53:48,041 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:53:48,042 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:53:48,043 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:53:48,044 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:53:48,045 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:53:48,046 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:53:48,046 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:53:48,083 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-19 14:53:48,084 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-19 14:53:48,085 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-19 14:53:48,086 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-19 14:53:48,087 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-19 14:53:48,087 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-19 14:53:48,088 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-19 14:53:48,089 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-19 14:53:48,089 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-19 14:53:48,090 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-19 14:53:48,119 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:53:48,120 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:53:48,121 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:53:48,127 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:53:48,176 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 14:53:48,632 INFO L208 MainTranslator]: Completed translation [2021-11-19 14:53:48,632 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:48 WrapperNode [2021-11-19 14:53:48,633 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 14:53:48,634 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-19 14:53:48,634 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-19 14:53:48,634 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-19 14:53:48,641 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:48" (1/1) ... [2021-11-19 14:53:48,767 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:48" (1/1) ... [2021-11-19 14:53:48,886 INFO L137 Inliner]: procedures = 713, calls = 1684, calls flagged for inlining = 52, calls inlined = 8, statements flattened = 643 [2021-11-19 14:53:48,896 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-19 14:53:48,898 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-19 14:53:48,898 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-19 14:53:48,898 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-19 14:53:48,909 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:48" (1/1) ... [2021-11-19 14:53:48,909 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:48" (1/1) ... [2021-11-19 14:53:48,937 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:48" (1/1) ... [2021-11-19 14:53:48,939 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:48" (1/1) ... [2021-11-19 14:53:49,012 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:48" (1/1) ... [2021-11-19 14:53:49,037 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:48" (1/1) ... [2021-11-19 14:53:49,045 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:48" (1/1) ... [2021-11-19 14:53:49,067 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-19 14:53:49,068 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-19 14:53:49,072 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-19 14:53:49,073 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-19 14:53:49,073 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:48" (1/1) ... [2021-11-19 14:53:49,081 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 14:53:49,097 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b55e25ef-ba14-4e39-b338-0d32a7131d3a/bin/utaipan-UbGMyvGFUs/z3 [2021-11-19 14:53:49,113 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b55e25ef-ba14-4e39-b338-0d32a7131d3a/bin/utaipan-UbGMyvGFUs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-19 14:53:49,129 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b55e25ef-ba14-4e39-b338-0d32a7131d3a/bin/utaipan-UbGMyvGFUs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-19 14:53:49,165 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-19 14:53:49,165 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2021-11-19 14:53:49,166 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2021-11-19 14:53:49,166 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2021-11-19 14:53:49,166 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2021-11-19 14:53:49,166 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2021-11-19 14:53:49,166 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2021-11-19 14:53:49,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-19 14:53:49,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-19 14:53:49,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-11-19 14:53:49,167 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2021-11-19 14:53:49,167 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2021-11-19 14:53:49,167 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-19 14:53:49,168 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-19 14:53:49,168 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-19 14:53:49,168 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-19 14:53:49,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-19 14:53:49,168 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2021-11-19 14:53:49,169 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2021-11-19 14:53:49,169 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-19 14:53:49,169 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-19 14:53:49,169 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2021-11-19 14:53:49,170 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2021-11-19 14:53:49,170 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-19 14:53:49,170 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2021-11-19 14:53:49,170 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2021-11-19 14:53:49,170 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_length [2021-11-19 14:53:49,171 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_length [2021-11-19 14:53:49,171 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-19 14:53:49,171 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-19 14:53:49,171 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2021-11-19 14:53:49,171 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2021-11-19 14:53:49,172 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-19 14:53:49,172 INFO L130 BoogieDeclarations]: Found specification of procedure __builtin_umull_overflow [2021-11-19 14:53:49,172 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-19 14:53:49,172 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-19 14:53:49,172 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-19 14:53:49,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-19 14:53:49,173 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_get_at_ptr [2021-11-19 14:53:49,173 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_get_at_ptr [2021-11-19 14:53:49,173 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2021-11-19 14:53:49,173 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2021-11-19 14:53:49,174 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2021-11-19 14:53:49,174 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2021-11-19 14:53:49,174 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2021-11-19 14:53:49,174 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2021-11-19 14:53:49,530 INFO L236 CfgBuilder]: Building ICFG [2021-11-19 14:53:49,547 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-19 14:53:53,782 INFO L277 CfgBuilder]: Performing block encoding [2021-11-19 14:53:53,791 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-19 14:53:53,792 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-19 14:53:53,794 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:53:53 BoogieIcfgContainer [2021-11-19 14:53:53,794 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-19 14:53:53,797 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-19 14:53:53,797 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-19 14:53:53,800 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-19 14:53:53,800 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 02:53:44" (1/3) ... [2021-11-19 14:53:53,801 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b091775 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 02:53:53, skipping insertion in model container [2021-11-19 14:53:53,801 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:48" (2/3) ... [2021-11-19 14:53:53,802 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b091775 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 02:53:53, skipping insertion in model container [2021-11-19 14:53:53,802 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:53:53" (3/3) ... [2021-11-19 14:53:53,804 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_array_list_swap_harness.i [2021-11-19 14:53:53,809 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-19 14:53:53,809 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-19 14:53:53,867 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-19 14:53:53,875 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 [2021-11-19 14:53:53,875 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-19 14:53:53,901 INFO L276 IsEmpty]: Start isEmpty. Operand has 180 states, 102 states have (on average 1.1666666666666667) internal successors, (119), 103 states have internal predecessors, (119), 61 states have call successors, (61), 15 states have call predecessors, (61), 15 states have return successors, (61), 61 states have call predecessors, (61), 61 states have call successors, (61) [2021-11-19 14:53:53,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-11-19 14:53:53,912 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:53:53,914 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 3, 3, 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] [2021-11-19 14:53:53,914 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 14:53:53,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:53:53,921 INFO L85 PathProgramCache]: Analyzing trace with hash 223694820, now seen corresponding path program 1 times [2021-11-19 14:53:53,939 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:53:53,940 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2049370098] [2021-11-19 14:53:53,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:53:53,941 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:53:53,942 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b55e25ef-ba14-4e39-b338-0d32a7131d3a/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:53:53,945 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b55e25ef-ba14-4e39-b338-0d32a7131d3a/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:53:53,957 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b55e25ef-ba14-4e39-b338-0d32a7131d3a/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-19 14:53:54,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:53:54,727 INFO L263 TraceCheckSpWp]: Trace formula consists of 1212 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-19 14:53:54,736 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:53:55,044 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2021-11-19 14:53:55,045 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:53:55,333 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2021-11-19 14:53:55,334 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:53:55,334 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2049370098] [2021-11-19 14:53:55,336 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2049370098] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-19 14:53:55,336 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-19 14:53:55,336 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2021-11-19 14:53:55,338 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1405354871] [2021-11-19 14:53:55,343 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 14:53:55,349 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-19 14:53:55,350 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:53:55,396 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-19 14:53:55,397 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-19 14:53:55,403 INFO L87 Difference]: Start difference. First operand has 180 states, 102 states have (on average 1.1666666666666667) internal successors, (119), 103 states have internal predecessors, (119), 61 states have call successors, (61), 15 states have call predecessors, (61), 15 states have return successors, (61), 61 states have call predecessors, (61), 61 states have call successors, (61) Second operand has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2021-11-19 14:53:55,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:53:55,507 INFO L93 Difference]: Finished difference Result 353 states and 517 transitions. [2021-11-19 14:53:55,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-19 14:53:55,511 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 69 [2021-11-19 14:53:55,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:53:55,532 INFO L225 Difference]: With dead ends: 353 [2021-11-19 14:53:55,533 INFO L226 Difference]: Without dead ends: 175 [2021-11-19 14:53:55,547 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-19 14:53:55,552 INFO L933 BasicCegarLoop]: 238 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 238 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-19 14:53:55,557 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 238 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-19 14:53:55,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2021-11-19 14:53:55,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 175. [2021-11-19 14:53:55,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 175 states, 98 states have (on average 1.1428571428571428) internal successors, (112), 99 states have internal predecessors, (112), 61 states have call successors, (61), 15 states have call predecessors, (61), 15 states have return successors, (60), 60 states have call predecessors, (60), 60 states have call successors, (60) [2021-11-19 14:53:55,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 233 transitions. [2021-11-19 14:53:55,657 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 233 transitions. Word has length 69 [2021-11-19 14:53:55,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:53:55,659 INFO L470 AbstractCegarLoop]: Abstraction has 175 states and 233 transitions. [2021-11-19 14:53:55,661 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2021-11-19 14:53:55,661 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 233 transitions. [2021-11-19 14:53:55,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-11-19 14:53:55,669 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:53:55,670 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 3, 3, 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] [2021-11-19 14:53:55,706 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b55e25ef-ba14-4e39-b338-0d32a7131d3a/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-19 14:53:55,871 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b55e25ef-ba14-4e39-b338-0d32a7131d3a/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:53:55,871 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 14:53:55,872 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:53:55,872 INFO L85 PathProgramCache]: Analyzing trace with hash -636522710, now seen corresponding path program 1 times [2021-11-19 14:53:55,875 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:53:55,876 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1499371023] [2021-11-19 14:53:55,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:53:55,876 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:53:55,876 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b55e25ef-ba14-4e39-b338-0d32a7131d3a/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:53:55,877 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b55e25ef-ba14-4e39-b338-0d32a7131d3a/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:53:55,881 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b55e25ef-ba14-4e39-b338-0d32a7131d3a/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-19 14:53:56,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:53:56,747 INFO L263 TraceCheckSpWp]: Trace formula consists of 1212 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-19 14:53:56,753 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:53:57,044 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-19 14:53:57,044 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:53:57,393 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2021-11-19 14:53:57,393 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:53:57,394 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1499371023] [2021-11-19 14:53:57,394 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1499371023] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-19 14:53:57,394 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-19 14:53:57,394 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 6 [2021-11-19 14:53:57,395 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1889647323] [2021-11-19 14:53:57,395 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 14:53:57,396 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-19 14:53:57,397 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:53:57,397 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-19 14:53:57,397 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-19 14:53:57,398 INFO L87 Difference]: Start difference. First operand 175 states and 233 transitions. Second operand has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 3 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2021-11-19 14:53:58,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:53:58,060 INFO L93 Difference]: Finished difference Result 315 states and 432 transitions. [2021-11-19 14:53:58,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-19 14:53:58,061 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 3 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 69 [2021-11-19 14:53:58,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:53:58,066 INFO L225 Difference]: With dead ends: 315 [2021-11-19 14:53:58,067 INFO L226 Difference]: Without dead ends: 177 [2021-11-19 14:53:58,068 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 132 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2021-11-19 14:53:58,071 INFO L933 BasicCegarLoop]: 211 mSDtfsCounter, 43 mSDsluCounter, 550 mSDsCounter, 0 mSdLazyCounter, 92 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 76 SdHoareTripleChecker+Valid, 761 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 92 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-11-19 14:53:58,075 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [76 Valid, 761 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 92 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-11-19 14:53:58,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 177 states. [2021-11-19 14:53:58,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 177 to 177. [2021-11-19 14:53:58,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 177 states, 99 states have (on average 1.1414141414141414) internal successors, (113), 101 states have internal predecessors, (113), 61 states have call successors, (61), 15 states have call predecessors, (61), 16 states have return successors, (68), 60 states have call predecessors, (68), 60 states have call successors, (68) [2021-11-19 14:53:58,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 242 transitions. [2021-11-19 14:53:58,134 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 242 transitions. Word has length 69 [2021-11-19 14:53:58,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:53:58,135 INFO L470 AbstractCegarLoop]: Abstraction has 177 states and 242 transitions. [2021-11-19 14:53:58,135 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 3 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2021-11-19 14:53:58,135 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 242 transitions. [2021-11-19 14:53:58,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-11-19 14:53:58,145 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:53:58,145 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:53:58,190 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b55e25ef-ba14-4e39-b338-0d32a7131d3a/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-19 14:53:58,362 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b55e25ef-ba14-4e39-b338-0d32a7131d3a/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:53:58,363 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 14:53:58,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:53:58,364 INFO L85 PathProgramCache]: Analyzing trace with hash -164009474, now seen corresponding path program 1 times [2021-11-19 14:53:58,367 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:53:58,367 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1486993373] [2021-11-19 14:53:58,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:53:58,368 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:53:58,368 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b55e25ef-ba14-4e39-b338-0d32a7131d3a/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:53:58,369 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b55e25ef-ba14-4e39-b338-0d32a7131d3a/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:53:58,402 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b55e25ef-ba14-4e39-b338-0d32a7131d3a/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-19 14:53:59,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:53:59,320 INFO L263 TraceCheckSpWp]: Trace formula consists of 1292 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-19 14:53:59,325 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:53:59,694 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2021-11-19 14:53:59,695 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:54:00,124 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2021-11-19 14:54:00,124 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:54:00,124 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1486993373] [2021-11-19 14:54:00,124 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1486993373] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-19 14:54:00,124 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-19 14:54:00,124 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 8 [2021-11-19 14:54:00,125 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1186643166] [2021-11-19 14:54:00,125 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 14:54:00,125 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-19 14:54:00,126 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:54:00,126 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-19 14:54:00,126 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-11-19 14:54:00,126 INFO L87 Difference]: Start difference. First operand 177 states and 242 transitions. Second operand has 7 states, 7 states have (on average 6.714285714285714) internal successors, (47), 6 states have internal predecessors, (47), 4 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (13), 4 states have call predecessors, (13), 4 states have call successors, (13) [2021-11-19 14:54:01,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:54:01,002 INFO L93 Difference]: Finished difference Result 326 states and 455 transitions. [2021-11-19 14:54:01,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-19 14:54:01,003 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.714285714285714) internal successors, (47), 6 states have internal predecessors, (47), 4 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (13), 4 states have call predecessors, (13), 4 states have call successors, (13) Word has length 84 [2021-11-19 14:54:01,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:54:01,007 INFO L225 Difference]: With dead ends: 326 [2021-11-19 14:54:01,007 INFO L226 Difference]: Without dead ends: 189 [2021-11-19 14:54:01,009 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 161 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2021-11-19 14:54:01,010 INFO L933 BasicCegarLoop]: 209 mSDtfsCounter, 53 mSDsluCounter, 957 mSDsCounter, 0 mSdLazyCounter, 171 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 1166 SdHoareTripleChecker+Invalid, 182 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 171 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2021-11-19 14:54:01,010 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [84 Valid, 1166 Invalid, 182 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 171 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2021-11-19 14:54:01,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 189 states. [2021-11-19 14:54:01,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 189 to 189. [2021-11-19 14:54:01,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 189 states, 105 states have (on average 1.1428571428571428) internal successors, (120), 107 states have internal predecessors, (120), 66 states have call successors, (66), 16 states have call predecessors, (66), 17 states have return successors, (73), 65 states have call predecessors, (73), 65 states have call successors, (73) [2021-11-19 14:54:01,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 189 states and 259 transitions. [2021-11-19 14:54:01,034 INFO L78 Accepts]: Start accepts. Automaton has 189 states and 259 transitions. Word has length 84 [2021-11-19 14:54:01,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:54:01,034 INFO L470 AbstractCegarLoop]: Abstraction has 189 states and 259 transitions. [2021-11-19 14:54:01,035 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.714285714285714) internal successors, (47), 6 states have internal predecessors, (47), 4 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (13), 4 states have call predecessors, (13), 4 states have call successors, (13) [2021-11-19 14:54:01,035 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 259 transitions. [2021-11-19 14:54:01,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-11-19 14:54:01,037 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:54:01,037 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2021-11-19 14:54:01,081 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b55e25ef-ba14-4e39-b338-0d32a7131d3a/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-19 14:54:01,253 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b55e25ef-ba14-4e39-b338-0d32a7131d3a/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:54:01,253 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 14:54:01,254 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:54:01,254 INFO L85 PathProgramCache]: Analyzing trace with hash 1494755288, now seen corresponding path program 1 times [2021-11-19 14:54:01,256 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:54:01,256 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1476415525] [2021-11-19 14:54:01,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:54:01,257 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:54:01,257 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b55e25ef-ba14-4e39-b338-0d32a7131d3a/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:54:01,258 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b55e25ef-ba14-4e39-b338-0d32a7131d3a/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:54:01,260 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b55e25ef-ba14-4e39-b338-0d32a7131d3a/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-19 14:54:23,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:54:24,301 INFO L263 TraceCheckSpWp]: Trace formula consists of 1452 conjuncts, 183 conjunts are in the unsatisfiable core [2021-11-19 14:54:24,315 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:54:24,357 INFO L388 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 [2021-11-19 14:54:32,838 INFO L388 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 [2021-11-19 14:54:32,919 INFO L388 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 [2021-11-19 14:54:33,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:33,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:33,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:33,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:33,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:33,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:33,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:33,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:33,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:33,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:33,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:33,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:33,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:33,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:33,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:33,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:33,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:33,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:33,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:33,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:33,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:33,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:33,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:33,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:33,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:33,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:33,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:33,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:33,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:33,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:33,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:33,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:33,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:33,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:33,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:33,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:33,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:33,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:33,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:33,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:33,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:33,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:33,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:33,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:33,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:33,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:33,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:33,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:33,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:33,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:33,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:33,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:33,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:33,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:33,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:33,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:33,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:33,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:33,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:33,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:33,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:33,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:33,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:33,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:33,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:33,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:33,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:33,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:33,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:33,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:33,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:33,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:33,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:33,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:33,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:33,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:33,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:33,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:33,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:33,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:33,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:33,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:33,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:33,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:33,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:33,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:33,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:33,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:33,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:33,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:33,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:33,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:33,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:33,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:33,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:33,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:33,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:33,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:33,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:33,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:33,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:33,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:33,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:33,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:33,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:33,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:33,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:33,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:33,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:33,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:33,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:33,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:33,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:33,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:33,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:33,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:33,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:33,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:33,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:33,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:33,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:33,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:33,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:33,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:33,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:33,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:33,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:33,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:33,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:33,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:33,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:33,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:33,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:33,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:33,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:33,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:54:33,640 INFO L244 Elim1Store]: Index analysis took 274 ms [2021-11-19 14:54:33,645 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 16 select indices, 16 select index equivalence classes, 136 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 0 case distinctions, treesize of input 146 treesize of output 179 [2021-11-19 14:55:15,708 WARN L227 SmtUtils]: Spent 5.16s on a formula simplification that was a NOOP. DAG size: 124 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-19 14:55:50,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:55:50,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:55:50,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:55:50,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:55:50,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:55:50,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:55:50,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:55:50,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:55:50,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:55:50,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:55:50,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:55:50,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:55:50,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:55:50,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:55:50,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:55:50,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:55:50,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:55:50,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:55:50,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:55:50,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:55:50,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:55:50,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:55:50,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:55:50,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:55:50,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:55:50,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:55:50,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:55:50,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:55:50,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:55:50,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:55:50,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:55:50,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:55:50,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:55:50,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:55:50,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:55:50,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:55:50,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:55:50,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:55:50,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:55:50,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:55:50,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:55:50,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:55:50,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:55:50,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:55:50,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:55:50,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:55:50,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:55:50,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:55:50,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:55:50,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:55:50,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:55:50,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:55:50,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:55:50,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:55:50,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:55:50,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:55:50,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:55:50,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:55:50,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:55:50,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:55:50,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:55:50,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:55:50,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:55:50,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:55:50,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:55:50,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:55:50,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:55:50,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:55:50,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:55:50,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:55:50,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:55:50,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:55:50,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:55:50,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:55:50,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:55:50,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:55:50,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:55:50,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:55:50,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:55:50,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:55:50,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:55:50,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:55:50,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:55:50,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:55:50,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:55:50,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:55:50,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:55:50,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:55:50,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:55:50,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:55:50,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:55:50,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:55:50,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:55:50,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:55:50,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:55:50,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:55:50,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:55:50,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:55:50,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:55:50,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:55:50,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:55:50,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:55:50,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:55:50,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:55:50,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:55:50,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:55:50,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:55:50,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:55:50,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:55:50,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:55:50,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:55:50,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:55:50,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:55:50,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:55:50,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:55:50,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:55:50,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:55:50,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:55:50,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:55:50,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:55:50,893 INFO L244 Elim1Store]: Index analysis took 348 ms [2021-11-19 14:56:14,415 WARN L227 SmtUtils]: Spent 23.50s on a formula simplification. DAG size of input: 904 DAG size of output: 124 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-19 14:56:14,416 INFO L354 Elim1Store]: treesize reduction 10587, result has 2.1 percent of original size [2021-11-19 14:56:14,417 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 16 select indices, 16 select index equivalence classes, 120 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 23 case distinctions, treesize of input 423 treesize of output 495 [2021-11-19 14:56:15,630 INFO L354 Elim1Store]: treesize reduction 64, result has 19.0 percent of original size [2021-11-19 14:56:15,631 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 448 treesize of output 449 [2021-11-19 14:56:16,138 INFO L354 Elim1Store]: treesize reduction 994, result has 0.1 percent of original size [2021-11-19 14:56:16,139 INFO L388 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 7 case distinctions, treesize of input 438 treesize of output 346 [2021-11-19 14:56:16,527 INFO L354 Elim1Store]: treesize reduction 994, result has 0.1 percent of original size [2021-11-19 14:56:16,527 INFO L388 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 7 case distinctions, treesize of input 346 treesize of output 254