./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_array_list_swap_contents_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0f8a17c6 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d500f91-339d-4c7d-98a8-8cdf538cb435/bin/utaipan-UbGMyvGFUs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d500f91-339d-4c7d-98a8-8cdf538cb435/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_8d500f91-339d-4c7d-98a8-8cdf538cb435/bin/utaipan-UbGMyvGFUs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d500f91-339d-4c7d-98a8-8cdf538cb435/bin/utaipan-UbGMyvGFUs/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_array_list_swap_contents_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d500f91-339d-4c7d-98a8-8cdf538cb435/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_8d500f91-339d-4c7d-98a8-8cdf538cb435/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 877e83a63a602219ce02028b5212cf6c29aa8f33a031ee39d52c3c671213dc91 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 13:27:16,072 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 13:27:16,075 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 13:27:16,141 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 13:27:16,142 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 13:27:16,147 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 13:27:16,150 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 13:27:16,155 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 13:27:16,158 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 13:27:16,166 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 13:27:16,167 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 13:27:16,169 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 13:27:16,170 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 13:27:16,173 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 13:27:16,176 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 13:27:16,179 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 13:27:16,181 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 13:27:16,182 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 13:27:16,189 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 13:27:16,200 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 13:27:16,202 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 13:27:16,204 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 13:27:16,207 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 13:27:16,209 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 13:27:16,213 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 13:27:16,213 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 13:27:16,214 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 13:27:16,216 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 13:27:16,217 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 13:27:16,219 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 13:27:16,219 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 13:27:16,220 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 13:27:16,222 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 13:27:16,224 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 13:27:16,225 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 13:27:16,226 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 13:27:16,227 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 13:27:16,227 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 13:27:16,227 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 13:27:16,228 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 13:27:16,229 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 13:27:16,230 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d500f91-339d-4c7d-98a8-8cdf538cb435/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-19 13:27:16,282 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 13:27:16,283 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 13:27:16,284 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-19 13:27:16,285 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-19 13:27:16,285 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-19 13:27:16,285 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-19 13:27:16,286 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-19 13:27:16,286 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-19 13:27:16,286 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-19 13:27:16,286 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-19 13:27:16,287 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-19 13:27:16,288 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-19 13:27:16,288 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-19 13:27:16,288 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-19 13:27:16,288 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-19 13:27:16,289 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-19 13:27:16,289 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 13:27:16,290 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-19 13:27:16,290 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 13:27:16,290 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-19 13:27:16,290 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-19 13:27:16,290 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-19 13:27:16,291 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-19 13:27:16,291 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-19 13:27:16,291 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 13:27:16,291 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-19 13:27:16,292 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 13:27:16,292 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-19 13:27:16,292 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 13:27:16,294 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 13:27:16,294 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-19 13:27:16,294 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-19 13:27:16,295 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-19 13:27:16,295 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-19 13:27:16,295 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-19 13:27:16,295 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-19 13:27:16,296 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-19 13:27:16,296 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_8d500f91-339d-4c7d-98a8-8cdf538cb435/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d500f91-339d-4c7d-98a8-8cdf538cb435/bin/utaipan-UbGMyvGFUs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 877e83a63a602219ce02028b5212cf6c29aa8f33a031ee39d52c3c671213dc91 [2021-11-19 13:27:16,641 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 13:27:16,677 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 13:27:16,681 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 13:27:16,682 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 13:27:16,683 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 13:27:16,684 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d500f91-339d-4c7d-98a8-8cdf538cb435/bin/utaipan-UbGMyvGFUs/../../sv-benchmarks/c/aws-c-common/aws_array_list_swap_contents_harness.i [2021-11-19 13:27:16,791 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d500f91-339d-4c7d-98a8-8cdf538cb435/bin/utaipan-UbGMyvGFUs/data/f85728165/73cfcd6ab3b64f4d882daa768ce0173c/FLAGe7bfaeb65 [2021-11-19 13:27:17,663 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 13:27:17,663 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d500f91-339d-4c7d-98a8-8cdf538cb435/sv-benchmarks/c/aws-c-common/aws_array_list_swap_contents_harness.i [2021-11-19 13:27:17,717 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d500f91-339d-4c7d-98a8-8cdf538cb435/bin/utaipan-UbGMyvGFUs/data/f85728165/73cfcd6ab3b64f4d882daa768ce0173c/FLAGe7bfaeb65 [2021-11-19 13:27:18,139 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d500f91-339d-4c7d-98a8-8cdf538cb435/bin/utaipan-UbGMyvGFUs/data/f85728165/73cfcd6ab3b64f4d882daa768ce0173c [2021-11-19 13:27:18,142 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 13:27:18,145 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 13:27:18,148 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 13:27:18,148 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 13:27:18,151 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 13:27:18,152 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 01:27:18" (1/1) ... [2021-11-19 13:27:18,155 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24e6db39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:27:18, skipping insertion in model container [2021-11-19 13:27:18,155 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 01:27:18" (1/1) ... [2021-11-19 13:27:18,163 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 13:27:18,299 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 13:27:18,540 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_8d500f91-339d-4c7d-98a8-8cdf538cb435/sv-benchmarks/c/aws-c-common/aws_array_list_swap_contents_harness.i[4502,4515] [2021-11-19 13:27:18,550 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_8d500f91-339d-4c7d-98a8-8cdf538cb435/sv-benchmarks/c/aws-c-common/aws_array_list_swap_contents_harness.i[4562,4575] [2021-11-19 13:27:18,578 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-19 13:27:18,587 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-19 13:27:19,533 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-19 13:27:19,619 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 13:27:19,620 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 13:27:19,621 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 13:27:19,626 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 13:27:19,628 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 13:27:19,645 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 13:27:19,646 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 13:27:19,649 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 13:27:19,649 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 13:27:19,652 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 13:27:19,653 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 13:27:19,654 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 13:27:19,655 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 13:27:20,049 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-19 13:27:20,050 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-19 13:27:20,051 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-19 13:27:20,053 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-19 13:27:20,054 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-19 13:27:20,055 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-19 13:27:20,056 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-19 13:27:20,057 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-19 13:27:20,058 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-19 13:27:20,058 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-19 13:27:20,284 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 13:27:20,300 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 13:27:20,368 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 13:27:20,399 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 13:27:20,400 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6f1dfd17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:27:20, skipping insertion in model container [2021-11-19 13:27:20,400 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 13:27:20,400 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-19 13:27:20,403 INFO L158 Benchmark]: Toolchain (without parser) took 2256.27ms. Allocated memory was 90.2MB in the beginning and 121.6MB in the end (delta: 31.5MB). Free memory was 46.3MB in the beginning and 46.8MB in the end (delta: -466.5kB). Peak memory consumption was 34.8MB. Max. memory is 16.1GB. [2021-11-19 13:27:20,403 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 90.2MB. Free memory is still 54.0MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-19 13:27:20,405 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2252.64ms. Allocated memory was 90.2MB in the beginning and 121.6MB in the end (delta: 31.5MB). Free memory was 46.1MB in the beginning and 46.8MB in the end (delta: -678.2kB). Peak memory consumption was 34.8MB. Max. memory is 16.1GB. [2021-11-19 13:27:20,406 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 90.2MB. Free memory is still 54.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2252.64ms. Allocated memory was 90.2MB in the beginning and 121.6MB in the end (delta: 31.5MB). Free memory was 46.1MB in the beginning and 46.8MB in the end (delta: -678.2kB). Peak memory consumption was 34.8MB. 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_8d500f91-339d-4c7d-98a8-8cdf538cb435/bin/utaipan-UbGMyvGFUs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d500f91-339d-4c7d-98a8-8cdf538cb435/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_8d500f91-339d-4c7d-98a8-8cdf538cb435/bin/utaipan-UbGMyvGFUs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d500f91-339d-4c7d-98a8-8cdf538cb435/bin/utaipan-UbGMyvGFUs/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_array_list_swap_contents_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d500f91-339d-4c7d-98a8-8cdf538cb435/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_8d500f91-339d-4c7d-98a8-8cdf538cb435/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 877e83a63a602219ce02028b5212cf6c29aa8f33a031ee39d52c3c671213dc91 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 13:27:22,842 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 13:27:22,846 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 13:27:22,897 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 13:27:22,897 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 13:27:22,899 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 13:27:22,901 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 13:27:22,903 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 13:27:22,906 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 13:27:22,907 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 13:27:22,908 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 13:27:22,910 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 13:27:22,911 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 13:27:22,912 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 13:27:22,914 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 13:27:22,916 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 13:27:22,917 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 13:27:22,918 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 13:27:22,920 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 13:27:22,923 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 13:27:22,929 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 13:27:22,931 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 13:27:22,932 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 13:27:22,934 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 13:27:22,939 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 13:27:22,942 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 13:27:22,942 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 13:27:22,946 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 13:27:22,950 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 13:27:22,952 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 13:27:22,952 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 13:27:22,953 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 13:27:22,955 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 13:27:22,956 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 13:27:22,958 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 13:27:22,958 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 13:27:22,959 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 13:27:22,960 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 13:27:22,960 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 13:27:22,962 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 13:27:22,962 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 13:27:22,963 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d500f91-339d-4c7d-98a8-8cdf538cb435/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-19 13:27:23,009 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 13:27:23,009 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 13:27:23,011 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-19 13:27:23,011 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-19 13:27:23,011 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-19 13:27:23,012 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-19 13:27:23,012 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-19 13:27:23,012 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-19 13:27:23,012 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-19 13:27:23,013 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-19 13:27:23,016 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 13:27:23,016 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 13:27:23,016 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-19 13:27:23,017 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-19 13:27:23,017 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-19 13:27:23,017 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-19 13:27:23,017 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-19 13:27:23,018 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-19 13:27:23,018 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-19 13:27:23,018 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 13:27:23,018 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-19 13:27:23,019 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 13:27:23,019 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-19 13:27:23,019 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-19 13:27:23,020 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 13:27:23,020 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 13:27:23,020 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-19 13:27:23,020 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-19 13:27:23,021 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-19 13:27:23,021 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-19 13:27:23,021 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-19 13:27:23,021 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-19 13:27:23,022 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-19 13:27:23,022 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_8d500f91-339d-4c7d-98a8-8cdf538cb435/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d500f91-339d-4c7d-98a8-8cdf538cb435/bin/utaipan-UbGMyvGFUs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 877e83a63a602219ce02028b5212cf6c29aa8f33a031ee39d52c3c671213dc91 [2021-11-19 13:27:23,446 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 13:27:23,471 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 13:27:23,475 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 13:27:23,476 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 13:27:23,477 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 13:27:23,478 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d500f91-339d-4c7d-98a8-8cdf538cb435/bin/utaipan-UbGMyvGFUs/../../sv-benchmarks/c/aws-c-common/aws_array_list_swap_contents_harness.i [2021-11-19 13:27:23,570 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d500f91-339d-4c7d-98a8-8cdf538cb435/bin/utaipan-UbGMyvGFUs/data/ca66a6ce6/68373de6e0e340dbb8997e99640886ea/FLAGccea9ed89 [2021-11-19 13:27:24,672 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 13:27:24,673 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d500f91-339d-4c7d-98a8-8cdf538cb435/sv-benchmarks/c/aws-c-common/aws_array_list_swap_contents_harness.i [2021-11-19 13:27:24,719 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d500f91-339d-4c7d-98a8-8cdf538cb435/bin/utaipan-UbGMyvGFUs/data/ca66a6ce6/68373de6e0e340dbb8997e99640886ea/FLAGccea9ed89 [2021-11-19 13:27:25,099 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d500f91-339d-4c7d-98a8-8cdf538cb435/bin/utaipan-UbGMyvGFUs/data/ca66a6ce6/68373de6e0e340dbb8997e99640886ea [2021-11-19 13:27:25,102 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 13:27:25,105 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 13:27:25,110 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 13:27:25,111 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 13:27:25,115 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 13:27:25,116 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 01:27:25" (1/1) ... [2021-11-19 13:27:25,117 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23406256 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:27:25, skipping insertion in model container [2021-11-19 13:27:25,117 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 01:27:25" (1/1) ... [2021-11-19 13:27:25,126 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 13:27:25,287 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 13:27:25,663 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_8d500f91-339d-4c7d-98a8-8cdf538cb435/sv-benchmarks/c/aws-c-common/aws_array_list_swap_contents_harness.i[4502,4515] [2021-11-19 13:27:25,673 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_8d500f91-339d-4c7d-98a8-8cdf538cb435/sv-benchmarks/c/aws-c-common/aws_array_list_swap_contents_harness.i[4562,4575] [2021-11-19 13:27:25,698 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-19 13:27:25,704 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-19 13:27:26,781 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-19 13:27:26,912 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 13:27:26,914 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 13:27:26,914 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 13:27:26,915 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 13:27:26,919 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 13:27:26,932 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 13:27:26,936 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 13:27:26,940 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 13:27:26,941 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 13:27:26,944 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 13:27:26,958 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 13:27:26,959 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 13:27:26,959 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 13:27:27,373 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-19 13:27:27,377 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-19 13:27:27,378 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-19 13:27:27,379 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-19 13:27:27,380 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-19 13:27:27,381 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-19 13:27:27,382 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-19 13:27:27,382 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-19 13:27:27,383 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-19 13:27:27,384 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-19 13:27:27,534 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 13:27:27,542 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 13:27:27,600 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 13:27:27,638 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-19 13:27:27,720 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 13:27:27,729 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_8d500f91-339d-4c7d-98a8-8cdf538cb435/sv-benchmarks/c/aws-c-common/aws_array_list_swap_contents_harness.i[4502,4515] [2021-11-19 13:27:27,730 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_8d500f91-339d-4c7d-98a8-8cdf538cb435/sv-benchmarks/c/aws-c-common/aws_array_list_swap_contents_harness.i[4562,4575] [2021-11-19 13:27:27,733 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-19 13:27:27,734 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-19 13:27:27,819 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-19 13:27:27,859 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 13:27:27,860 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 13:27:27,860 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 13:27:27,861 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 13:27:27,861 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 13:27:27,868 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 13:27:27,871 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 13:27:27,872 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 13:27:27,878 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 13:27:27,879 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 13:27:27,883 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 13:27:27,885 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 13:27:27,885 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 13:27:27,945 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-19 13:27:27,952 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-19 13:27:27,953 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-19 13:27:27,954 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-19 13:27:27,955 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-19 13:27:27,956 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-19 13:27:27,957 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-19 13:27:27,958 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-19 13:27:27,958 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-19 13:27:27,959 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-19 13:27:28,018 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 13:27:28,024 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 13:27:28,061 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 13:27:28,101 INFO L203 MainTranslator]: Completed pre-run [2021-11-19 13:27:28,129 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d500f91-339d-4c7d-98a8-8cdf538cb435/sv-benchmarks/c/aws-c-common/aws_array_list_swap_contents_harness.i[4502,4515] [2021-11-19 13:27:28,130 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_8d500f91-339d-4c7d-98a8-8cdf538cb435/sv-benchmarks/c/aws-c-common/aws_array_list_swap_contents_harness.i[4562,4575] [2021-11-19 13:27:28,131 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-19 13:27:28,133 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-19 13:27:28,172 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-19 13:27:28,195 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 13:27:28,195 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 13:27:28,195 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 13:27:28,196 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 13:27:28,197 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 13:27:28,209 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 13:27:28,210 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 13:27:28,214 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 13:27:28,215 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 13:27:28,216 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 13:27:28,217 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 13:27:28,218 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 13:27:28,218 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 13:27:28,296 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-19 13:27:28,297 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-19 13:27:28,298 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-19 13:27:28,299 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-19 13:27:28,300 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-19 13:27:28,300 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-19 13:27:28,301 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-19 13:27:28,302 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-19 13:27:28,302 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-19 13:27:28,304 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-19 13:27:28,360 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 13:27:28,368 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 13:27:28,407 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 13:27:28,780 INFO L208 MainTranslator]: Completed translation [2021-11-19 13:27:28,781 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:27:28 WrapperNode [2021-11-19 13:27:28,781 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 13:27:28,782 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-19 13:27:28,782 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-19 13:27:28,783 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-19 13:27:28,790 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:27:28" (1/1) ... [2021-11-19 13:27:28,935 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:27:28" (1/1) ... [2021-11-19 13:27:29,039 INFO L137 Inliner]: procedures = 712, calls = 1717, calls flagged for inlining = 51, calls inlined = 7, statements flattened = 677 [2021-11-19 13:27:29,040 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-19 13:27:29,041 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-19 13:27:29,042 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-19 13:27:29,042 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-19 13:27:29,052 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:27:28" (1/1) ... [2021-11-19 13:27:29,052 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:27:28" (1/1) ... [2021-11-19 13:27:29,079 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:27:28" (1/1) ... [2021-11-19 13:27:29,081 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:27:28" (1/1) ... [2021-11-19 13:27:29,147 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:27:28" (1/1) ... [2021-11-19 13:27:29,156 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:27:28" (1/1) ... [2021-11-19 13:27:29,179 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:27:28" (1/1) ... [2021-11-19 13:27:29,218 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-19 13:27:29,226 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-19 13:27:29,226 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-19 13:27:29,226 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-19 13:27:29,227 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:27:28" (1/1) ... [2021-11-19 13:27:29,235 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 13:27:29,250 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d500f91-339d-4c7d-98a8-8cdf538cb435/bin/utaipan-UbGMyvGFUs/z3 [2021-11-19 13:27:29,271 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d500f91-339d-4c7d-98a8-8cdf538cb435/bin/utaipan-UbGMyvGFUs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-19 13:27:29,316 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d500f91-339d-4c7d-98a8-8cdf538cb435/bin/utaipan-UbGMyvGFUs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-19 13:27:29,337 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-19 13:27:29,337 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2021-11-19 13:27:29,337 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2021-11-19 13:27:29,337 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2021-11-19 13:27:29,338 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2021-11-19 13:27:29,338 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2021-11-19 13:27:29,338 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2021-11-19 13:27:29,338 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-19 13:27:29,338 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-19 13:27:29,338 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-11-19 13:27:29,339 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2021-11-19 13:27:29,339 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2021-11-19 13:27:29,339 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-19 13:27:29,340 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-19 13:27:29,340 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-19 13:27:29,340 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-19 13:27:29,340 INFO L130 BoogieDeclarations]: Found specification of procedure save_byte_from_array [2021-11-19 13:27:29,340 INFO L138 BoogieDeclarations]: Found implementation of procedure save_byte_from_array [2021-11-19 13:27:29,340 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-19 13:27:29,341 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-19 13:27:29,341 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-19 13:27:29,341 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2021-11-19 13:27:29,341 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2021-11-19 13:27:29,342 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-19 13:27:29,342 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2021-11-19 13:27:29,343 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2021-11-19 13:27:29,346 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-19 13:27:29,346 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2021-11-19 13:27:29,346 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2021-11-19 13:27:29,346 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-19 13:27:29,347 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-19 13:27:29,348 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-19 13:27:29,348 INFO L130 BoogieDeclarations]: Found specification of procedure __builtin_umull_overflow [2021-11-19 13:27:29,348 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-19 13:27:29,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-19 13:27:29,354 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-19 13:27:29,354 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-19 13:27:29,354 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2021-11-19 13:27:29,355 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2021-11-19 13:27:29,355 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2021-11-19 13:27:29,355 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2021-11-19 13:27:29,355 INFO L130 BoogieDeclarations]: Found specification of procedure assert_array_list_equivalence [2021-11-19 13:27:29,355 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_array_list_equivalence [2021-11-19 13:27:29,355 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2021-11-19 13:27:29,356 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2021-11-19 13:27:29,764 INFO L236 CfgBuilder]: Building ICFG [2021-11-19 13:27:29,766 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-19 13:27:35,974 INFO L277 CfgBuilder]: Performing block encoding [2021-11-19 13:27:35,991 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-19 13:27:35,991 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-19 13:27:35,995 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 01:27:35 BoogieIcfgContainer [2021-11-19 13:27:35,996 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-19 13:27:35,998 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-19 13:27:35,998 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-19 13:27:36,001 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-19 13:27:36,001 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 01:27:25" (1/3) ... [2021-11-19 13:27:36,002 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5fb180a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 01:27:36, skipping insertion in model container [2021-11-19 13:27:36,002 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:27:28" (2/3) ... [2021-11-19 13:27:36,003 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5fb180a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 01:27:36, skipping insertion in model container [2021-11-19 13:27:36,003 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 01:27:35" (3/3) ... [2021-11-19 13:27:36,004 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_array_list_swap_contents_harness.i [2021-11-19 13:27:36,010 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-19 13:27:36,011 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-19 13:27:36,089 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-19 13:27:36,101 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 13:27:36,101 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-19 13:27:36,128 INFO L276 IsEmpty]: Start isEmpty. Operand has 160 states, 92 states have (on average 1.1630434782608696) internal successors, (107), 93 states have internal predecessors, (107), 52 states have call successors, (52), 14 states have call predecessors, (52), 14 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2021-11-19 13:27:36,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2021-11-19 13:27:36,155 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:27:36,156 INFO L514 BasicCegarLoop]: trace histogram [17, 17, 17, 5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 13:27:36,157 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 13:27:36,162 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:27:36,163 INFO L85 PathProgramCache]: Analyzing trace with hash -853348587, now seen corresponding path program 1 times [2021-11-19 13:27:36,185 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 13:27:36,185 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [298724388] [2021-11-19 13:27:36,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:27:36,186 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 13:27:36,186 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d500f91-339d-4c7d-98a8-8cdf538cb435/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 13:27:36,187 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d500f91-339d-4c7d-98a8-8cdf538cb435/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 13:27:36,229 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d500f91-339d-4c7d-98a8-8cdf538cb435/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-19 13:27:37,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:27:37,313 INFO L263 TraceCheckSpWp]: Trace formula consists of 1543 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-19 13:27:37,326 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:27:37,985 INFO L134 CoverageAnalysis]: Checked inductivity of 603 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 568 trivial. 0 not checked. [2021-11-19 13:27:37,985 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 13:27:38,501 INFO L134 CoverageAnalysis]: Checked inductivity of 603 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 571 trivial. 0 not checked. [2021-11-19 13:27:38,502 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 13:27:38,502 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [298724388] [2021-11-19 13:27:38,503 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [298724388] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-19 13:27:38,503 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-19 13:27:38,504 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2021-11-19 13:27:38,505 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1828788558] [2021-11-19 13:27:38,506 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 13:27:38,512 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-19 13:27:38,513 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 13:27:38,548 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-19 13:27:38,549 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-19 13:27:38,553 INFO L87 Difference]: Start difference. First operand has 160 states, 92 states have (on average 1.1630434782608696) internal successors, (107), 93 states have internal predecessors, (107), 52 states have call successors, (52), 14 states have call predecessors, (52), 14 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) Second operand has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2021-11-19 13:27:38,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:27:38,632 INFO L93 Difference]: Finished difference Result 316 states and 452 transitions. [2021-11-19 13:27:38,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-19 13:27:38,635 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 174 [2021-11-19 13:27:38,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:27:38,651 INFO L225 Difference]: With dead ends: 316 [2021-11-19 13:27:38,652 INFO L226 Difference]: Without dead ends: 155 [2021-11-19 13:27:38,663 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 346 GetRequests, 346 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-19 13:27:38,667 INFO L933 BasicCegarLoop]: 209 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, 209 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 13:27:38,669 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 209 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-19 13:27:38,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2021-11-19 13:27:38,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 155. [2021-11-19 13:27:38,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 155 states, 88 states have (on average 1.1477272727272727) internal successors, (101), 89 states have internal predecessors, (101), 52 states have call successors, (52), 14 states have call predecessors, (52), 14 states have return successors, (51), 51 states have call predecessors, (51), 51 states have call successors, (51) [2021-11-19 13:27:38,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 204 transitions. [2021-11-19 13:27:38,731 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 204 transitions. Word has length 174 [2021-11-19 13:27:38,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:27:38,732 INFO L470 AbstractCegarLoop]: Abstraction has 155 states and 204 transitions. [2021-11-19 13:27:38,732 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2021-11-19 13:27:38,733 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 204 transitions. [2021-11-19 13:27:38,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2021-11-19 13:27:38,736 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:27:38,737 INFO L514 BasicCegarLoop]: trace histogram [17, 17, 17, 5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 13:27:38,769 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d500f91-339d-4c7d-98a8-8cdf538cb435/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-19 13:27:38,937 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d500f91-339d-4c7d-98a8-8cdf538cb435/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 13:27:38,938 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 13:27:38,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:27:38,938 INFO L85 PathProgramCache]: Analyzing trace with hash 179931383, now seen corresponding path program 1 times [2021-11-19 13:27:38,942 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 13:27:38,942 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [891724955] [2021-11-19 13:27:38,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:27:38,942 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 13:27:38,943 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d500f91-339d-4c7d-98a8-8cdf538cb435/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 13:27:38,950 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d500f91-339d-4c7d-98a8-8cdf538cb435/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 13:27:38,978 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d500f91-339d-4c7d-98a8-8cdf538cb435/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-19 13:27:39,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:27:40,012 INFO L263 TraceCheckSpWp]: Trace formula consists of 1543 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-19 13:27:40,027 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:27:40,637 INFO L134 CoverageAnalysis]: Checked inductivity of 603 backedges. 151 proven. 0 refuted. 0 times theorem prover too weak. 452 trivial. 0 not checked. [2021-11-19 13:27:40,637 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 13:27:41,144 INFO L134 CoverageAnalysis]: Checked inductivity of 603 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 591 trivial. 0 not checked. [2021-11-19 13:27:41,144 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 13:27:41,145 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [891724955] [2021-11-19 13:27:41,145 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [891724955] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-19 13:27:41,145 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-19 13:27:41,145 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 6 [2021-11-19 13:27:41,145 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [172293251] [2021-11-19 13:27:41,146 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 13:27:41,147 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-19 13:27:41,147 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 13:27:41,148 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-19 13:27:41,148 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-19 13:27:41,148 INFO L87 Difference]: Start difference. First operand 155 states and 204 transitions. Second operand has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 3 states have call successors, (31), 2 states have call predecessors, (31), 3 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2021-11-19 13:27:41,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:27:41,568 INFO L93 Difference]: Finished difference Result 305 states and 406 transitions. [2021-11-19 13:27:41,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-19 13:27:41,572 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 3 states have call successors, (31), 2 states have call predecessors, (31), 3 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) Word has length 174 [2021-11-19 13:27:41,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:27:41,579 INFO L225 Difference]: With dead ends: 305 [2021-11-19 13:27:41,579 INFO L226 Difference]: Without dead ends: 157 [2021-11-19 13:27:41,580 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 347 GetRequests, 342 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2021-11-19 13:27:41,581 INFO L933 BasicCegarLoop]: 184 mSDtfsCounter, 34 mSDsluCounter, 483 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 667 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-11-19 13:27:41,582 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [72 Valid, 667 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-11-19 13:27:41,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2021-11-19 13:27:41,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 157. [2021-11-19 13:27:41,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 157 states, 89 states have (on average 1.146067415730337) internal successors, (102), 91 states have internal predecessors, (102), 52 states have call successors, (52), 14 states have call predecessors, (52), 15 states have return successors, (57), 51 states have call predecessors, (57), 51 states have call successors, (57) [2021-11-19 13:27:41,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 211 transitions. [2021-11-19 13:27:41,605 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 211 transitions. Word has length 174 [2021-11-19 13:27:41,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:27:41,605 INFO L470 AbstractCegarLoop]: Abstraction has 157 states and 211 transitions. [2021-11-19 13:27:41,606 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 3 states have call successors, (31), 2 states have call predecessors, (31), 3 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2021-11-19 13:27:41,606 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 211 transitions. [2021-11-19 13:27:41,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2021-11-19 13:27:41,609 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:27:41,610 INFO L514 BasicCegarLoop]: trace histogram [17, 17, 17, 5, 5, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 13:27:41,643 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d500f91-339d-4c7d-98a8-8cdf538cb435/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-19 13:27:41,822 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d500f91-339d-4c7d-98a8-8cdf538cb435/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 13:27:41,822 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 13:27:41,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:27:41,823 INFO L85 PathProgramCache]: Analyzing trace with hash 432837413, now seen corresponding path program 1 times [2021-11-19 13:27:41,827 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 13:27:41,827 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [515019891] [2021-11-19 13:27:41,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:27:41,828 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 13:27:41,828 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d500f91-339d-4c7d-98a8-8cdf538cb435/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 13:27:41,848 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d500f91-339d-4c7d-98a8-8cdf538cb435/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 13:27:41,893 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d500f91-339d-4c7d-98a8-8cdf538cb435/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-19 13:27:43,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:27:43,149 INFO L263 TraceCheckSpWp]: Trace formula consists of 1623 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-19 13:27:43,157 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:27:43,682 INFO L134 CoverageAnalysis]: Checked inductivity of 603 backedges. 267 proven. 0 refuted. 0 times theorem prover too weak. 336 trivial. 0 not checked. [2021-11-19 13:27:43,683 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 13:27:44,256 INFO L134 CoverageAnalysis]: Checked inductivity of 603 backedges. 3 proven. 9 refuted. 0 times theorem prover too weak. 591 trivial. 0 not checked. [2021-11-19 13:27:44,256 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 13:27:44,256 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [515019891] [2021-11-19 13:27:44,256 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [515019891] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-19 13:27:44,256 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-19 13:27:44,257 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 6 [2021-11-19 13:27:44,257 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2099611134] [2021-11-19 13:27:44,257 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 13:27:44,258 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-19 13:27:44,258 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 13:27:44,258 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-19 13:27:44,258 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-19 13:27:44,259 INFO L87 Difference]: Start difference. First operand 157 states and 211 transitions. Second operand has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 3 states have call successors, (31), 2 states have call predecessors, (31), 3 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2021-11-19 13:27:44,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:27:44,732 INFO L93 Difference]: Finished difference Result 270 states and 364 transitions. [2021-11-19 13:27:44,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-19 13:27:44,736 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 3 states have call successors, (31), 2 states have call predecessors, (31), 3 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) Word has length 189 [2021-11-19 13:27:44,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:27:44,739 INFO L225 Difference]: With dead ends: 270 [2021-11-19 13:27:44,740 INFO L226 Difference]: Without dead ends: 157 [2021-11-19 13:27:44,740 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 378 GetRequests, 373 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2021-11-19 13:27:44,745 INFO L933 BasicCegarLoop]: 184 mSDtfsCounter, 32 mSDsluCounter, 483 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 667 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-11-19 13:27:44,746 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [63 Valid, 667 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-11-19 13:27:44,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2021-11-19 13:27:44,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 157. [2021-11-19 13:27:44,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 157 states, 89 states have (on average 1.146067415730337) internal successors, (102), 91 states have internal predecessors, (102), 52 states have call successors, (52), 14 states have call predecessors, (52), 15 states have return successors, (55), 51 states have call predecessors, (55), 51 states have call successors, (55) [2021-11-19 13:27:44,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 209 transitions. [2021-11-19 13:27:44,790 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 209 transitions. Word has length 189 [2021-11-19 13:27:44,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:27:44,793 INFO L470 AbstractCegarLoop]: Abstraction has 157 states and 209 transitions. [2021-11-19 13:27:44,796 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 3 states have call successors, (31), 2 states have call predecessors, (31), 3 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2021-11-19 13:27:44,796 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 209 transitions. [2021-11-19 13:27:44,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2021-11-19 13:27:44,803 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:27:44,803 INFO L514 BasicCegarLoop]: trace histogram [17, 17, 17, 5, 5, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 13:27:44,849 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d500f91-339d-4c7d-98a8-8cdf538cb435/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-19 13:27:45,026 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d500f91-339d-4c7d-98a8-8cdf538cb435/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 13:27:45,026 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 13:27:45,026 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:27:45,027 INFO L85 PathProgramCache]: Analyzing trace with hash 229772645, now seen corresponding path program 2 times [2021-11-19 13:27:45,029 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 13:27:45,029 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [112854197] [2021-11-19 13:27:45,030 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-19 13:27:45,030 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 13:27:45,030 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d500f91-339d-4c7d-98a8-8cdf538cb435/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 13:27:45,030 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d500f91-339d-4c7d-98a8-8cdf538cb435/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 13:27:45,032 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d500f91-339d-4c7d-98a8-8cdf538cb435/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-19 13:27:55,836 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-19 13:27:55,836 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-19 13:27:56,001 INFO L263 TraceCheckSpWp]: Trace formula consists of 1703 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-19 13:27:56,008 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:27:56,564 INFO L134 CoverageAnalysis]: Checked inductivity of 618 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 606 trivial. 0 not checked. [2021-11-19 13:27:56,565 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 13:27:57,250 INFO L134 CoverageAnalysis]: Checked inductivity of 618 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 606 trivial. 0 not checked. [2021-11-19 13:27:57,251 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 13:27:57,251 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [112854197] [2021-11-19 13:27:57,251 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [112854197] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 13:27:57,251 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:27:57,251 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 7 [2021-11-19 13:27:57,252 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1677316178] [2021-11-19 13:27:57,252 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 13:27:57,253 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-19 13:27:57,253 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 13:27:57,254 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-19 13:27:57,254 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-11-19 13:27:57,254 INFO L87 Difference]: Start difference. First operand 157 states and 209 transitions. Second operand has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 7 states have internal predecessors, (57), 4 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (30), 4 states have call predecessors, (30), 3 states have call successors, (30) [2021-11-19 13:27:59,742 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 13:27:59,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:27:59,877 INFO L93 Difference]: Finished difference Result 239 states and 315 transitions. [2021-11-19 13:27:59,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-19 13:27:59,879 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 7 states have internal predecessors, (57), 4 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (30), 4 states have call predecessors, (30), 3 states have call successors, (30) Word has length 204 [2021-11-19 13:27:59,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:27:59,882 INFO L225 Difference]: With dead ends: 239 [2021-11-19 13:27:59,882 INFO L226 Difference]: Without dead ends: 157 [2021-11-19 13:27:59,883 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 408 GetRequests, 401 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2021-11-19 13:27:59,884 INFO L933 BasicCegarLoop]: 181 mSDtfsCounter, 38 mSDsluCounter, 650 mSDsCounter, 0 mSdLazyCounter, 100 mSolverCounterSat, 11 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 831 SdHoareTripleChecker+Invalid, 112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 100 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2021-11-19 13:27:59,884 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [49 Valid, 831 Invalid, 112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 100 Invalid, 1 Unknown, 0 Unchecked, 2.6s Time] [2021-11-19 13:27:59,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2021-11-19 13:27:59,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 157. [2021-11-19 13:27:59,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 157 states, 89 states have (on average 1.146067415730337) internal successors, (102), 91 states have internal predecessors, (102), 52 states have call successors, (52), 14 states have call predecessors, (52), 15 states have return successors, (53), 51 states have call predecessors, (53), 51 states have call successors, (53) [2021-11-19 13:27:59,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 207 transitions. [2021-11-19 13:27:59,903 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 207 transitions. Word has length 204 [2021-11-19 13:27:59,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:27:59,905 INFO L470 AbstractCegarLoop]: Abstraction has 157 states and 207 transitions. [2021-11-19 13:27:59,905 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 7 states have internal predecessors, (57), 4 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (30), 4 states have call predecessors, (30), 3 states have call successors, (30) [2021-11-19 13:27:59,905 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 207 transitions. [2021-11-19 13:27:59,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2021-11-19 13:27:59,909 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:27:59,910 INFO L514 BasicCegarLoop]: trace histogram [17, 17, 17, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 13:27:59,968 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d500f91-339d-4c7d-98a8-8cdf538cb435/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (5)] Ended with exit code 0 [2021-11-19 13:28:00,130 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d500f91-339d-4c7d-98a8-8cdf538cb435/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 13:28:00,130 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 13:28:00,130 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:28:00,131 INFO L85 PathProgramCache]: Analyzing trace with hash -1913799685, now seen corresponding path program 3 times [2021-11-19 13:28:00,133 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 13:28:00,134 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1478055810] [2021-11-19 13:28:00,134 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-19 13:28:00,134 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 13:28:00,134 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d500f91-339d-4c7d-98a8-8cdf538cb435/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 13:28:00,135 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d500f91-339d-4c7d-98a8-8cdf538cb435/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 13:28:00,136 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d500f91-339d-4c7d-98a8-8cdf538cb435/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-19 13:29:39,686 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-11-19 13:29:39,686 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-19 13:29:43,268 INFO L263 TraceCheckSpWp]: Trace formula consists of 1243 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-19 13:29:43,276 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:29:43,848 INFO L134 CoverageAnalysis]: Checked inductivity of 693 backedges. 115 proven. 0 refuted. 0 times theorem prover too weak. 578 trivial. 0 not checked. [2021-11-19 13:29:43,848 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 13:29:44,427 INFO L134 CoverageAnalysis]: Checked inductivity of 693 backedges. 54 proven. 2 refuted. 0 times theorem prover too weak. 637 trivial. 0 not checked. [2021-11-19 13:29:44,428 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 13:29:44,428 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1478055810] [2021-11-19 13:29:44,428 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1478055810] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-19 13:29:44,428 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-19 13:29:44,428 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 7 [2021-11-19 13:29:44,428 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [101941630] [2021-11-19 13:29:44,429 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 13:29:44,429 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-19 13:29:44,429 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 13:29:44,430 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-19 13:29:44,430 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-11-19 13:29:44,430 INFO L87 Difference]: Start difference. First operand 157 states and 207 transitions. Second operand has 6 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 3 states have call successors, (33), 2 states have call predecessors, (33), 4 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2021-11-19 13:29:46,795 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 13:29:46,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:29:46,803 INFO L93 Difference]: Finished difference Result 232 states and 303 transitions. [2021-11-19 13:29:46,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-19 13:29:46,833 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 3 states have call successors, (33), 2 states have call predecessors, (33), 4 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) Word has length 234 [2021-11-19 13:29:46,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:29:46,836 INFO L225 Difference]: With dead ends: 232 [2021-11-19 13:29:46,836 INFO L226 Difference]: Without dead ends: 157 [2021-11-19 13:29:46,836 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 467 GetRequests, 461 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2021-11-19 13:29:46,837 INFO L933 BasicCegarLoop]: 185 mSDtfsCounter, 2 mSDsluCounter, 696 mSDsCounter, 0 mSdLazyCounter, 132 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 881 SdHoareTripleChecker+Invalid, 133 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 132 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2021-11-19 13:29:46,838 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2 Valid, 881 Invalid, 133 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 132 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2021-11-19 13:29:46,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2021-11-19 13:29:46,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 157. [2021-11-19 13:29:46,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 157 states, 89 states have (on average 1.146067415730337) internal successors, (102), 91 states have internal predecessors, (102), 52 states have call successors, (52), 14 states have call predecessors, (52), 15 states have return successors, (52), 51 states have call predecessors, (52), 51 states have call successors, (52) [2021-11-19 13:29:46,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 206 transitions. [2021-11-19 13:29:46,854 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 206 transitions. Word has length 234 [2021-11-19 13:29:46,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:29:46,855 INFO L470 AbstractCegarLoop]: Abstraction has 157 states and 206 transitions. [2021-11-19 13:29:46,855 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 3 states have call successors, (33), 2 states have call predecessors, (33), 4 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2021-11-19 13:29:46,856 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 206 transitions. [2021-11-19 13:29:46,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2021-11-19 13:29:46,860 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:29:46,860 INFO L514 BasicCegarLoop]: trace histogram [17, 17, 17, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 13:29:47,074 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d500f91-339d-4c7d-98a8-8cdf538cb435/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (6)] Forcibly destroying the process [2021-11-19 13:29:47,093 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d500f91-339d-4c7d-98a8-8cdf538cb435/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-19 13:29:47,093 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d500f91-339d-4c7d-98a8-8cdf538cb435/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 13:29:47,093 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 13:29:47,093 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:29:47,093 INFO L85 PathProgramCache]: Analyzing trace with hash 1463432363, now seen corresponding path program 1 times [2021-11-19 13:29:47,095 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 13:29:47,095 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2036331732] [2021-11-19 13:29:47,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:29:47,096 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 13:29:47,096 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d500f91-339d-4c7d-98a8-8cdf538cb435/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 13:29:47,097 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d500f91-339d-4c7d-98a8-8cdf538cb435/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 13:29:47,103 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d500f91-339d-4c7d-98a8-8cdf538cb435/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-19 13:38:20,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:38:28,748 INFO L263 TraceCheckSpWp]: Trace formula consists of 1943 conjuncts, 351 conjunts are in the unsatisfiable core [2021-11-19 13:38:28,773 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:38:29,007 INFO L354 Elim1Store]: treesize reduction 12, result has 40.0 percent of original size [2021-11-19 13:38:29,008 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 1 case distinctions, treesize of input 9 treesize of output 14 [2021-11-19 13:38:31,626 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-19 13:38:31,627 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 74 treesize of output 70 [2021-11-19 13:38:31,649 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:38:31,650 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 36 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 36 case distinctions, treesize of input 58 treesize of output 22 [2021-11-19 13:38:39,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:38:39,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:38:39,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:38:39,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:38:39,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:38:39,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:38:39,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:38:39,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:38:39,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:38:39,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:38:39,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:38:39,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:38:39,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:38:39,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:38:39,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:38:39,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:38:39,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:38:39,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:38:39,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:38:39,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:38:39,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:38:39,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:38:39,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:38:39,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:38:39,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:38:39,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:38:39,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:38:39,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:38:39,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:38:39,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:38:39,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:38:39,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:38:39,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:38:39,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:38:39,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:38:39,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:38:39,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:38:39,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:38:39,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:38:39,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:38:39,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:38:39,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:38:39,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:38:39,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:38:39,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:38:39,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:38:39,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:38:39,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:38:39,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:38:39,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:38:39,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:38:39,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:38:39,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:38:39,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:38:39,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:38:39,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:38:39,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:38:39,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:38:39,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:38:39,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:38:39,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:38:39,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:38:39,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:38:39,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:38:39,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:38:39,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:38:39,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:38:39,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:38:39,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:38:39,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:38:39,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:38:39,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:38:39,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:38:39,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:38:39,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:38:39,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:38:39,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:38:39,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:38:39,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:38:39,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:38:39,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:38:39,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:38:39,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:38:39,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:38:39,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:38:39,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:38:39,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:38:39,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:38:39,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:38:39,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:38:39,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:38:39,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:38:39,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:38:39,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:38:39,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:38:39,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:38:39,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:38:39,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:38:39,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:38:39,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:38:39,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:38:39,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:38:39,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:38:39,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:38:39,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:38:39,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:38:39,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:38:39,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:38:39,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:38:39,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:38:39,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:38:39,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:38:39,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:38:39,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:38:39,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:38:39,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:38:39,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:38:39,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:38:39,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:38:39,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:38:39,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:38:39,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:38:39,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:38:39,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:38:39,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:38:39,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:38:39,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:38:40,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:38:40,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:38:40,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:38:40,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:38:40,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:38:40,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:38:40,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:38:40,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:38:40,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:38:40,026 INFO L244 Elim1Store]: Index analysis took 375 ms [2021-11-19 13:38:40,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:38:40,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:38:40,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:38:40,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:38:40,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:38:40,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:38:40,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:38:40,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:38:40,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:38:40,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:38:40,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:38:40,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:38:40,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:38:40,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:38:40,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:38:40,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:38:40,084 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:38:40,084 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 17 select indices, 17 select index equivalence classes, 153 disjoint index pairs (out of 136 index pairs), introduced 17 new quantified variables, introduced 16 case distinctions, treesize of input 154 treesize of output 190 [2021-11-19 13:38:41,065 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-19 13:38:41,066 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 123 treesize of output 119 [2021-11-19 13:38:41,089 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:38:41,090 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 17 select indices, 17 select index equivalence classes, 136 disjoint index pairs (out of 136 index pairs), introduced 17 new quantified variables, introduced 136 case distinctions, treesize of input 107 treesize of output 39 [2021-11-19 13:39:46,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:39:46,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:39:46,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:39:46,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:39:46,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:39:46,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:39:46,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:39:46,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:39:46,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:39:46,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:39:46,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:39:46,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:39:46,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:39:46,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:39:46,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:39:46,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:39:46,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:39:46,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:39:46,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:39:46,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:39:46,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:39:46,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:39:46,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:39:46,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:39:46,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:39:46,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:39:46,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:39:46,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:39:46,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:39:46,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:39:46,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:39:46,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:39:46,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:39:46,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:39:46,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:39:46,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:39:46,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:39:46,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:39:46,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:39:46,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:39:46,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:39:46,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:39:46,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:39:46,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:39:46,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:39:46,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:39:46,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:39:46,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:39:46,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:39:46,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:39:46,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:39:46,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:39:46,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:39:46,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:39:46,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:39:46,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:39:46,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:39:46,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:39:46,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:39:46,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:39:46,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:39:46,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:39:46,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:39:46,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:39:46,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:39:46,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:39:46,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:39:46,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:39:46,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:39:46,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:39:46,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:39:46,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:39:46,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:39:46,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:39:46,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:39:46,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:39:46,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:39:46,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:39:46,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:39:46,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:39:46,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:39:46,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:39:46,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:39:46,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:39:46,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:39:46,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:39:46,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:39:46,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:39:46,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:39:46,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:39:46,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:39:46,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:39:46,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:39:46,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:39:46,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:39:46,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:39:46,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:39:46,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:39:46,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:39:46,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:39:46,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:39:46,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:39:46,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:39:46,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:39:46,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:39:46,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:39:46,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:39:46,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:39:46,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:39:46,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:39:46,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:39:46,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:39:46,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:39:46,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:39:46,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:39:46,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:39:46,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:39:46,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:39:46,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:39:46,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:39:46,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:39:46,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:39:46,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:39:46,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:39:46,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:39:46,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:39:46,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:39:46,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:39:46,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:39:46,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:39:46,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:39:46,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:39:46,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:39:46,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:39:46,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:39:46,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:40:11,349 WARN L227 SmtUtils]: Spent 24.53s on a formula simplification. DAG size of input: 952 DAG size of output: 149 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-19 13:40:11,352 INFO L354 Elim1Store]: treesize reduction 11007, result has 2.7 percent of original size [2021-11-19 13:40:11,353 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 17 select indices, 17 select index equivalence classes, 136 disjoint index pairs (out of 136 index pairs), introduced 17 new quantified variables, introduced 160 case distinctions, treesize of input 258 treesize of output 402 [2021-11-19 13:40:12,500 INFO L354 Elim1Store]: treesize reduction 116, result has 15.9 percent of original size [2021-11-19 13:40:12,505 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 10 case distinctions, treesize of input 352 treesize of output 358