./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_array_eq_c_str_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6a47aea7 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_738c1a74-a14a-4baa-ad84-22dedf56bc61/bin/utaipan-fb15Y9Yzbl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_738c1a74-a14a-4baa-ad84-22dedf56bc61/bin/utaipan-fb15Y9Yzbl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_738c1a74-a14a-4baa-ad84-22dedf56bc61/bin/utaipan-fb15Y9Yzbl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_738c1a74-a14a-4baa-ad84-22dedf56bc61/bin/utaipan-fb15Y9Yzbl/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_array_eq_c_str_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_738c1a74-a14a-4baa-ad84-22dedf56bc61/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_738c1a74-a14a-4baa-ad84-22dedf56bc61/bin/utaipan-fb15Y9Yzbl --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 99ee682e10e695b9eb1615836043680c46e24c4df6227faaade6163d2feea99e --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 17:33:02,006 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 17:33:02,010 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 17:33:02,063 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 17:33:02,064 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 17:33:02,066 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 17:33:02,068 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 17:33:02,071 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 17:33:02,074 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 17:33:02,076 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 17:33:02,077 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 17:33:02,079 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 17:33:02,080 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 17:33:02,081 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 17:33:02,083 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 17:33:02,086 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 17:33:02,087 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 17:33:02,088 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 17:33:02,092 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 17:33:02,095 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 17:33:02,098 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 17:33:02,100 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 17:33:02,102 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 17:33:02,103 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 17:33:02,108 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 17:33:02,108 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 17:33:02,109 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 17:33:02,110 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 17:33:02,111 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 17:33:02,113 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 17:33:02,114 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 17:33:02,115 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 17:33:02,116 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 17:33:02,118 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 17:33:02,119 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 17:33:02,120 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 17:33:02,121 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 17:33:02,121 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 17:33:02,122 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 17:33:02,123 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 17:33:02,124 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 17:33:02,126 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_738c1a74-a14a-4baa-ad84-22dedf56bc61/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-23 17:33:02,177 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 17:33:02,179 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 17:33:02,180 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 17:33:02,180 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 17:33:02,181 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 17:33:02,182 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 17:33:02,182 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 17:33:02,182 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 17:33:02,183 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 17:33:02,183 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 17:33:02,184 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 17:33:02,185 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 17:33:02,185 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 17:33:02,185 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 17:33:02,185 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 17:33:02,186 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 17:33:02,186 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 17:33:02,186 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 17:33:02,187 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 17:33:02,187 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 17:33:02,188 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 17:33:02,188 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 17:33:02,188 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 17:33:02,188 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 17:33:02,189 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 17:33:02,189 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 17:33:02,191 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 17:33:02,191 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 17:33:02,192 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 17:33:02,192 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:33:02,192 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 17:33:02,193 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 17:33:02,193 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 17:33:02,193 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 17:33:02,194 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 17:33:02,194 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 17:33:02,194 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 17:33:02,194 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 17:33:02,195 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_738c1a74-a14a-4baa-ad84-22dedf56bc61/bin/utaipan-fb15Y9Yzbl/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_738c1a74-a14a-4baa-ad84-22dedf56bc61/bin/utaipan-fb15Y9Yzbl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 99ee682e10e695b9eb1615836043680c46e24c4df6227faaade6163d2feea99e [2021-11-23 17:33:02,579 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 17:33:02,617 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 17:33:02,620 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 17:33:02,622 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 17:33:02,623 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 17:33:02,624 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_738c1a74-a14a-4baa-ad84-22dedf56bc61/bin/utaipan-fb15Y9Yzbl/../../sv-benchmarks/c/aws-c-common/aws_array_eq_c_str_harness.i [2021-11-23 17:33:02,715 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_738c1a74-a14a-4baa-ad84-22dedf56bc61/bin/utaipan-fb15Y9Yzbl/data/c10c2585f/776ec191563a407abd2eb8e521ead9e2/FLAGae7a13b17 [2021-11-23 17:33:03,745 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 17:33:03,746 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_738c1a74-a14a-4baa-ad84-22dedf56bc61/sv-benchmarks/c/aws-c-common/aws_array_eq_c_str_harness.i [2021-11-23 17:33:03,796 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_738c1a74-a14a-4baa-ad84-22dedf56bc61/bin/utaipan-fb15Y9Yzbl/data/c10c2585f/776ec191563a407abd2eb8e521ead9e2/FLAGae7a13b17 [2021-11-23 17:33:04,142 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_738c1a74-a14a-4baa-ad84-22dedf56bc61/bin/utaipan-fb15Y9Yzbl/data/c10c2585f/776ec191563a407abd2eb8e521ead9e2 [2021-11-23 17:33:04,145 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 17:33:04,147 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 17:33:04,149 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 17:33:04,150 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 17:33:04,154 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 17:33:04,155 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:33:04" (1/1) ... [2021-11-23 17:33:04,157 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c1bf6a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:33:04, skipping insertion in model container [2021-11-23 17:33:04,157 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:33:04" (1/1) ... [2021-11-23 17:33:04,166 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 17:33:04,282 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 17:33:04,623 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_738c1a74-a14a-4baa-ad84-22dedf56bc61/sv-benchmarks/c/aws-c-common/aws_array_eq_c_str_harness.i[4492,4505] [2021-11-23 17:33:04,631 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_738c1a74-a14a-4baa-ad84-22dedf56bc61/sv-benchmarks/c/aws-c-common/aws_array_eq_c_str_harness.i[4552,4565] [2021-11-23 17:33:05,932 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:33:05,934 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:33:05,936 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:33:05,941 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:33:05,943 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:33:05,967 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:33:05,968 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:33:05,970 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:33:05,971 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:33:06,626 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-23 17:33:06,627 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-23 17:33:06,630 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-23 17:33:06,632 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-23 17:33:06,639 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-23 17:33:06,643 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-23 17:33:06,644 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-23 17:33:06,646 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-23 17:33:06,650 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-23 17:33:06,653 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-23 17:33:06,951 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-23 17:33:07,092 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:33:07,093 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:33:07,212 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:33:07,308 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 17:33:07,337 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_738c1a74-a14a-4baa-ad84-22dedf56bc61/sv-benchmarks/c/aws-c-common/aws_array_eq_c_str_harness.i[4492,4505] [2021-11-23 17:33:07,345 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_738c1a74-a14a-4baa-ad84-22dedf56bc61/sv-benchmarks/c/aws-c-common/aws_array_eq_c_str_harness.i[4552,4565] [2021-11-23 17:33:07,404 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:33:07,405 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:33:07,405 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:33:07,406 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:33:07,407 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:33:07,428 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:33:07,432 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:33:07,433 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:33:07,434 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:33:07,470 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-23 17:33:07,471 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-23 17:33:07,472 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-23 17:33:07,473 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-23 17:33:07,474 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-23 17:33:07,475 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-23 17:33:07,475 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-23 17:33:07,476 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-23 17:33:07,477 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-23 17:33:07,477 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-23 17:33:07,499 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-23 17:33:07,679 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:33:07,680 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:33:07,765 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:33:08,008 INFO L208 MainTranslator]: Completed translation [2021-11-23 17:33:08,009 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:33:08 WrapperNode [2021-11-23 17:33:08,009 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 17:33:08,011 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 17:33:08,011 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 17:33:08,011 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 17:33:08,020 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:33:08" (1/1) ... [2021-11-23 17:33:08,184 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:33:08" (1/1) ... [2021-11-23 17:33:08,291 INFO L137 Inliner]: procedures = 691, calls = 2615, calls flagged for inlining = 60, calls inlined = 6, statements flattened = 806 [2021-11-23 17:33:08,292 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 17:33:08,292 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 17:33:08,293 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 17:33:08,293 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 17:33:08,303 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:33:08" (1/1) ... [2021-11-23 17:33:08,303 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:33:08" (1/1) ... [2021-11-23 17:33:08,314 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:33:08" (1/1) ... [2021-11-23 17:33:08,315 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:33:08" (1/1) ... [2021-11-23 17:33:08,356 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:33:08" (1/1) ... [2021-11-23 17:33:08,362 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:33:08" (1/1) ... [2021-11-23 17:33:08,369 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:33:08" (1/1) ... [2021-11-23 17:33:08,381 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 17:33:08,382 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 17:33:08,382 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 17:33:08,382 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 17:33:08,384 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:33:08" (1/1) ... [2021-11-23 17:33:08,395 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:33:08,410 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_738c1a74-a14a-4baa-ad84-22dedf56bc61/bin/utaipan-fb15Y9Yzbl/z3 [2021-11-23 17:33:08,436 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_738c1a74-a14a-4baa-ad84-22dedf56bc61/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 17:33:08,466 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_738c1a74-a14a-4baa-ad84-22dedf56bc61/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 17:33:08,509 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_eq_c_str [2021-11-23 17:33:08,510 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_eq_c_str [2021-11-23 17:33:08,510 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 17:33:08,511 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2021-11-23 17:33:08,512 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2021-11-23 17:33:08,513 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 17:33:08,513 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-23 17:33:08,514 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-23 17:33:08,514 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 17:33:08,514 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 17:33:08,514 INFO L130 BoogieDeclarations]: Found specification of procedure save_byte_from_array [2021-11-23 17:33:08,515 INFO L138 BoogieDeclarations]: Found implementation of procedure save_byte_from_array [2021-11-23 17:33:08,515 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 17:33:08,516 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 17:33:08,516 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2021-11-23 17:33:08,517 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2021-11-23 17:33:08,517 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2021-11-23 17:33:08,517 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2021-11-23 17:33:08,517 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2021-11-23 17:33:08,518 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2021-11-23 17:33:08,518 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 17:33:08,518 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 17:33:08,518 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 17:33:08,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 17:33:08,520 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2021-11-23 17:33:08,520 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2021-11-23 17:33:08,521 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 17:33:08,521 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 17:33:08,851 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 17:33:08,853 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 17:33:10,504 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 17:33:10,620 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.addBranchEncoders(TransFormulaBuilder.java:170) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.parallelComposition(TransFormulaUtils.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.ParallelComposition.(ParallelComposition.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CodeBlockFactory.constructParallelComposition(CodeBlockFactory.java:109) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.composeParallel(CfgBuilder.java:1792) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.(CfgBuilder.java:1653) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:280) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 17:33:10,626 INFO L158 Benchmark]: Toolchain (without parser) took 6477.61ms. Allocated memory was 102.8MB in the beginning and 167.8MB in the end (delta: 65.0MB). Free memory was 74.0MB in the beginning and 65.8MB in the end (delta: 8.2MB). Peak memory consumption was 95.7MB. Max. memory is 16.1GB. [2021-11-23 17:33:10,627 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 102.8MB. Free memory is still 76.8MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 17:33:10,628 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3860.45ms. Allocated memory was 102.8MB in the beginning and 167.8MB in the end (delta: 65.0MB). Free memory was 74.0MB in the beginning and 114.7MB in the end (delta: -40.7MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. [2021-11-23 17:33:10,629 INFO L158 Benchmark]: Boogie Procedure Inliner took 281.36ms. Allocated memory is still 167.8MB. Free memory was 114.7MB in the beginning and 103.0MB in the end (delta: 11.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 17:33:10,630 INFO L158 Benchmark]: Boogie Preprocessor took 88.56ms. Allocated memory is still 167.8MB. Free memory was 103.0MB in the beginning and 96.7MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 17:33:10,631 INFO L158 Benchmark]: RCFGBuilder took 2242.05ms. Allocated memory is still 167.8MB. Free memory was 96.7MB in the beginning and 65.8MB in the end (delta: 30.9MB). Peak memory consumption was 53.8MB. Max. memory is 16.1GB. [2021-11-23 17:33:10,634 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 102.8MB. Free memory is still 76.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3860.45ms. Allocated memory was 102.8MB in the beginning and 167.8MB in the end (delta: 65.0MB). Free memory was 74.0MB in the beginning and 114.7MB in the end (delta: -40.7MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 281.36ms. Allocated memory is still 167.8MB. Free memory was 114.7MB in the beginning and 103.0MB in the end (delta: 11.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 88.56ms. Allocated memory is still 167.8MB. Free memory was 103.0MB in the beginning and 96.7MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 2242.05ms. Allocated memory is still 167.8MB. Free memory was 96.7MB in the beginning and 65.8MB in the end (delta: 30.9MB). Peak memory consumption was 53.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 17:33:10,695 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_738c1a74-a14a-4baa-ad84-22dedf56bc61/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 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_738c1a74-a14a-4baa-ad84-22dedf56bc61/bin/utaipan-fb15Y9Yzbl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_738c1a74-a14a-4baa-ad84-22dedf56bc61/bin/utaipan-fb15Y9Yzbl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_738c1a74-a14a-4baa-ad84-22dedf56bc61/bin/utaipan-fb15Y9Yzbl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_738c1a74-a14a-4baa-ad84-22dedf56bc61/bin/utaipan-fb15Y9Yzbl/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_array_eq_c_str_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_738c1a74-a14a-4baa-ad84-22dedf56bc61/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_738c1a74-a14a-4baa-ad84-22dedf56bc61/bin/utaipan-fb15Y9Yzbl --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 99ee682e10e695b9eb1615836043680c46e24c4df6227faaade6163d2feea99e --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 17:33:13,569 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 17:33:13,573 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 17:33:13,613 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 17:33:13,614 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 17:33:13,615 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 17:33:13,617 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 17:33:13,620 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 17:33:13,623 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 17:33:13,625 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 17:33:13,626 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 17:33:13,628 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 17:33:13,629 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 17:33:13,630 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 17:33:13,632 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 17:33:13,634 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 17:33:13,636 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 17:33:13,637 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 17:33:13,646 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 17:33:13,649 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 17:33:13,651 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 17:33:13,653 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 17:33:13,655 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 17:33:13,656 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 17:33:13,661 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 17:33:13,661 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 17:33:13,662 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 17:33:13,663 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 17:33:13,664 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 17:33:13,666 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 17:33:13,666 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 17:33:13,667 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 17:33:13,668 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 17:33:13,670 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 17:33:13,671 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 17:33:13,672 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 17:33:13,673 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 17:33:13,673 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 17:33:13,674 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 17:33:13,675 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 17:33:13,676 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 17:33:13,677 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_738c1a74-a14a-4baa-ad84-22dedf56bc61/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-23 17:33:13,707 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 17:33:13,709 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 17:33:13,710 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 17:33:13,710 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 17:33:13,711 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 17:33:13,711 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 17:33:13,712 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 17:33:13,712 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 17:33:13,712 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 17:33:13,712 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 17:33:13,714 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 17:33:13,714 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 17:33:13,716 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 17:33:13,716 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 17:33:13,716 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 17:33:13,716 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 17:33:13,717 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 17:33:13,717 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 17:33:13,717 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 17:33:13,717 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 17:33:13,718 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 17:33:13,718 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 17:33:13,718 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 17:33:13,718 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 17:33:13,719 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-23 17:33:13,719 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 17:33:13,719 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:33:13,719 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 17:33:13,720 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 17:33:13,720 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 17:33:13,720 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 17:33:13,720 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 17:33:13,721 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 17:33:13,721 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 17:33:13,721 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 17:33:13,722 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_738c1a74-a14a-4baa-ad84-22dedf56bc61/bin/utaipan-fb15Y9Yzbl/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_738c1a74-a14a-4baa-ad84-22dedf56bc61/bin/utaipan-fb15Y9Yzbl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 99ee682e10e695b9eb1615836043680c46e24c4df6227faaade6163d2feea99e [2021-11-23 17:33:14,158 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 17:33:14,185 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 17:33:14,188 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 17:33:14,190 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 17:33:14,191 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 17:33:14,192 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_738c1a74-a14a-4baa-ad84-22dedf56bc61/bin/utaipan-fb15Y9Yzbl/../../sv-benchmarks/c/aws-c-common/aws_array_eq_c_str_harness.i [2021-11-23 17:33:14,284 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_738c1a74-a14a-4baa-ad84-22dedf56bc61/bin/utaipan-fb15Y9Yzbl/data/e08fd0b78/6759af67f6ba4894a3cbe31d8f1a6396/FLAGdcd51ff4e [2021-11-23 17:33:15,248 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 17:33:15,252 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_738c1a74-a14a-4baa-ad84-22dedf56bc61/sv-benchmarks/c/aws-c-common/aws_array_eq_c_str_harness.i [2021-11-23 17:33:15,306 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_738c1a74-a14a-4baa-ad84-22dedf56bc61/bin/utaipan-fb15Y9Yzbl/data/e08fd0b78/6759af67f6ba4894a3cbe31d8f1a6396/FLAGdcd51ff4e [2021-11-23 17:33:15,743 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_738c1a74-a14a-4baa-ad84-22dedf56bc61/bin/utaipan-fb15Y9Yzbl/data/e08fd0b78/6759af67f6ba4894a3cbe31d8f1a6396 [2021-11-23 17:33:15,745 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 17:33:15,746 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 17:33:15,748 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 17:33:15,749 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 17:33:15,770 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 17:33:15,772 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:33:15" (1/1) ... [2021-11-23 17:33:15,774 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ff816f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:33:15, skipping insertion in model container [2021-11-23 17:33:15,775 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:33:15" (1/1) ... [2021-11-23 17:33:15,785 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 17:33:15,963 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 17:33:16,422 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_738c1a74-a14a-4baa-ad84-22dedf56bc61/sv-benchmarks/c/aws-c-common/aws_array_eq_c_str_harness.i[4492,4505] [2021-11-23 17:33:16,432 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_738c1a74-a14a-4baa-ad84-22dedf56bc61/sv-benchmarks/c/aws-c-common/aws_array_eq_c_str_harness.i[4552,4565] [2021-11-23 17:33:18,046 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:33:18,047 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:33:18,049 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:33:18,052 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:33:18,053 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:33:18,095 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:33:18,096 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:33:18,100 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:33:18,101 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:33:18,742 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-23 17:33:18,743 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-23 17:33:18,744 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-23 17:33:18,746 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-23 17:33:18,748 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-23 17:33:18,749 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-23 17:33:18,750 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-23 17:33:18,750 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-23 17:33:18,751 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-23 17:33:18,752 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-23 17:33:18,998 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-23 17:33:19,170 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:33:19,172 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:33:19,295 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:33:19,409 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-23 17:33:19,553 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 17:33:19,560 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_738c1a74-a14a-4baa-ad84-22dedf56bc61/sv-benchmarks/c/aws-c-common/aws_array_eq_c_str_harness.i[4492,4505] [2021-11-23 17:33:19,561 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_738c1a74-a14a-4baa-ad84-22dedf56bc61/sv-benchmarks/c/aws-c-common/aws_array_eq_c_str_harness.i[4552,4565] [2021-11-23 17:33:19,626 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:33:19,628 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:33:19,628 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:33:19,629 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:33:19,630 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:33:19,651 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:33:19,652 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:33:19,655 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:33:19,655 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:33:19,763 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-23 17:33:19,764 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-23 17:33:19,765 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-23 17:33:19,766 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-23 17:33:19,772 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-23 17:33:19,772 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-23 17:33:19,773 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-23 17:33:19,774 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-23 17:33:19,774 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-23 17:33:19,775 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-23 17:33:19,822 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-23 17:33:19,925 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:33:19,926 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:33:19,985 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:33:20,071 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 17:33:20,098 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_738c1a74-a14a-4baa-ad84-22dedf56bc61/sv-benchmarks/c/aws-c-common/aws_array_eq_c_str_harness.i[4492,4505] [2021-11-23 17:33:20,105 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_738c1a74-a14a-4baa-ad84-22dedf56bc61/sv-benchmarks/c/aws-c-common/aws_array_eq_c_str_harness.i[4552,4565] [2021-11-23 17:33:20,158 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:33:20,158 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:33:20,159 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:33:20,159 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:33:20,161 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:33:20,167 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:33:20,168 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:33:20,169 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:33:20,170 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:33:20,216 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-23 17:33:20,217 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-23 17:33:20,218 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-23 17:33:20,219 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-23 17:33:20,220 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-23 17:33:20,220 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-23 17:33:20,221 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-23 17:33:20,222 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-23 17:33:20,222 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-23 17:33:20,245 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-23 17:33:20,271 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-23 17:33:20,354 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:33:20,355 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:33:20,409 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:33:20,949 INFO L208 MainTranslator]: Completed translation [2021-11-23 17:33:20,950 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:33:20 WrapperNode [2021-11-23 17:33:20,951 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 17:33:20,952 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 17:33:20,952 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 17:33:20,953 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 17:33:20,962 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:33:20" (1/1) ... [2021-11-23 17:33:21,117 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:33:20" (1/1) ... [2021-11-23 17:33:21,277 INFO L137 Inliner]: procedures = 711, calls = 2615, calls flagged for inlining = 60, calls inlined = 6, statements flattened = 807 [2021-11-23 17:33:21,278 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 17:33:21,279 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 17:33:21,279 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 17:33:21,279 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 17:33:21,291 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:33:20" (1/1) ... [2021-11-23 17:33:21,291 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:33:20" (1/1) ... [2021-11-23 17:33:21,303 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:33:20" (1/1) ... [2021-11-23 17:33:21,304 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:33:20" (1/1) ... [2021-11-23 17:33:21,361 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:33:20" (1/1) ... [2021-11-23 17:33:21,375 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:33:20" (1/1) ... [2021-11-23 17:33:21,403 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:33:20" (1/1) ... [2021-11-23 17:33:21,442 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 17:33:21,450 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 17:33:21,450 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 17:33:21,451 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 17:33:21,452 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:33:20" (1/1) ... [2021-11-23 17:33:21,463 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:33:21,478 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_738c1a74-a14a-4baa-ad84-22dedf56bc61/bin/utaipan-fb15Y9Yzbl/z3 [2021-11-23 17:33:21,496 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_738c1a74-a14a-4baa-ad84-22dedf56bc61/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 17:33:21,522 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_738c1a74-a14a-4baa-ad84-22dedf56bc61/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 17:33:21,568 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_eq_c_str [2021-11-23 17:33:21,568 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_eq_c_str [2021-11-23 17:33:21,568 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 17:33:21,569 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2021-11-23 17:33:21,569 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2021-11-23 17:33:21,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 17:33:21,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-23 17:33:21,569 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-23 17:33:21,570 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-23 17:33:21,570 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 17:33:21,570 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 17:33:21,570 INFO L130 BoogieDeclarations]: Found specification of procedure save_byte_from_array [2021-11-23 17:33:21,571 INFO L138 BoogieDeclarations]: Found implementation of procedure save_byte_from_array [2021-11-23 17:33:21,572 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 17:33:21,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 17:33:21,572 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2021-11-23 17:33:21,573 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2021-11-23 17:33:21,573 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-23 17:33:21,573 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2021-11-23 17:33:21,573 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2021-11-23 17:33:21,573 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-23 17:33:21,574 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2021-11-23 17:33:21,575 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2021-11-23 17:33:21,575 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 17:33:21,575 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 17:33:21,575 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 17:33:21,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-23 17:33:21,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-23 17:33:21,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 17:33:21,576 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2021-11-23 17:33:21,576 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2021-11-23 17:33:22,044 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 17:33:22,062 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 17:33:24,251 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 17:33:24,260 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 17:33:24,260 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-23 17:33:24,263 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 05:33:24 BoogieIcfgContainer [2021-11-23 17:33:24,263 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 17:33:24,266 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 17:33:24,266 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 17:33:24,270 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 17:33:24,270 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 05:33:15" (1/3) ... [2021-11-23 17:33:24,271 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@350ba958 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 05:33:24, skipping insertion in model container [2021-11-23 17:33:24,271 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:33:20" (2/3) ... [2021-11-23 17:33:24,272 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@350ba958 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 05:33:24, skipping insertion in model container [2021-11-23 17:33:24,272 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 05:33:24" (3/3) ... [2021-11-23 17:33:24,274 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_array_eq_c_str_harness.i [2021-11-23 17:33:24,281 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 17:33:24,282 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-23 17:33:24,344 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 17:33:24,352 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 [2021-11-23 17:33:24,352 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-23 17:33:24,377 INFO L276 IsEmpty]: Start isEmpty. Operand has 97 states, 60 states have (on average 1.2833333333333334) internal successors, (77), 63 states have internal predecessors, (77), 26 states have call successors, (26), 9 states have call predecessors, (26), 9 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2021-11-23 17:33:24,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-23 17:33:24,389 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 17:33:24,390 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 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] [2021-11-23 17:33:24,391 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 17:33:24,397 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 17:33:24,398 INFO L85 PathProgramCache]: Analyzing trace with hash -725279613, now seen corresponding path program 1 times [2021-11-23 17:33:24,420 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-23 17:33:24,421 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [653797136] [2021-11-23 17:33:24,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 17:33:24,422 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 17:33:24,423 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_738c1a74-a14a-4baa-ad84-22dedf56bc61/bin/utaipan-fb15Y9Yzbl/mathsat [2021-11-23 17:33:24,430 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_738c1a74-a14a-4baa-ad84-22dedf56bc61/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 17:33:24,462 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_738c1a74-a14a-4baa-ad84-22dedf56bc61/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-23 17:33:24,581 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_738c1a74-a14a-4baa-ad84-22dedf56bc61/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-23 17:33:24,776 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_738c1a74-a14a-4baa-ad84-22dedf56bc61/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 [2021-11-23 17:33:24,777 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.UnmodifiableTransFormula.removeSuperfluousVars(UnmodifiableTransFormula.java:212) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.finishConstruction(TransFormulaBuilder.java:273) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.OldVarsAssignmentCache.constructGlobalVarsAssignment(OldVarsAssignmentCache.java:155) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.OldVarsAssignmentCache.getGlobalVarsAssignment(OldVarsAssignmentCache.java:93) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.DefaultTransFormulas.getGlobalVarAssignmentFromValidPos(DefaultTransFormulas.java:89) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.DefaultTransFormulas.getGlobalVarAssignmentFromValidPos(DefaultTransFormulas.java:1) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedFormulas.getGlobalVarAssignment(NestedFormulas.java:126) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckUtils.decoupleArrayValues(TraceCheckUtils.java:384) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheck.(InterpolatingTraceCheck.java:87) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:132) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:211) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:124) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:88) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:610) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:413) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:393) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:263) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:176) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 17:33:24,782 INFO L158 Benchmark]: Toolchain (without parser) took 9033.99ms. Allocated memory was 56.6MB in the beginning and 157.3MB in the end (delta: 100.7MB). Free memory was 26.0MB in the beginning and 95.3MB in the end (delta: -69.3MB). Peak memory consumption was 86.1MB. Max. memory is 16.1GB. [2021-11-23 17:33:24,783 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 56.6MB. Free memory was 37.3MB in the beginning and 37.2MB in the end (delta: 44.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 17:33:24,784 INFO L158 Benchmark]: CACSL2BoogieTranslator took 5202.86ms. Allocated memory was 56.6MB in the beginning and 125.8MB in the end (delta: 69.2MB). Free memory was 25.9MB in the beginning and 54.8MB in the end (delta: -28.9MB). Peak memory consumption was 52.8MB. Max. memory is 16.1GB. [2021-11-23 17:33:24,785 INFO L158 Benchmark]: Boogie Procedure Inliner took 326.23ms. Allocated memory was 125.8MB in the beginning and 157.3MB in the end (delta: 31.5MB). Free memory was 54.8MB in the beginning and 102.3MB in the end (delta: -47.6MB). Peak memory consumption was 10.1MB. Max. memory is 16.1GB. [2021-11-23 17:33:24,785 INFO L158 Benchmark]: Boogie Preprocessor took 170.00ms. Allocated memory is still 157.3MB. Free memory was 102.3MB in the beginning and 93.9MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 17:33:24,786 INFO L158 Benchmark]: RCFGBuilder took 2813.48ms. Allocated memory is still 157.3MB. Free memory was 93.9MB in the beginning and 53.8MB in the end (delta: 40.2MB). Peak memory consumption was 66.4MB. Max. memory is 16.1GB. [2021-11-23 17:33:24,787 INFO L158 Benchmark]: TraceAbstraction took 513.86ms. Allocated memory is still 157.3MB. Free memory was 53.8MB in the beginning and 95.3MB in the end (delta: -41.5MB). Peak memory consumption was 13.4MB. Max. memory is 16.1GB. [2021-11-23 17:33:24,790 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 56.6MB. Free memory was 37.3MB in the beginning and 37.2MB in the end (delta: 44.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 5202.86ms. Allocated memory was 56.6MB in the beginning and 125.8MB in the end (delta: 69.2MB). Free memory was 25.9MB in the beginning and 54.8MB in the end (delta: -28.9MB). Peak memory consumption was 52.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 326.23ms. Allocated memory was 125.8MB in the beginning and 157.3MB in the end (delta: 31.5MB). Free memory was 54.8MB in the beginning and 102.3MB in the end (delta: -47.6MB). Peak memory consumption was 10.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 170.00ms. Allocated memory is still 157.3MB. Free memory was 102.3MB in the beginning and 93.9MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 2813.48ms. Allocated memory is still 157.3MB. Free memory was 93.9MB in the beginning and 53.8MB in the end (delta: 40.2MB). Peak memory consumption was 66.4MB. Max. memory is 16.1GB. * TraceAbstraction took 513.86ms. Allocated memory is still 157.3MB. Free memory was 53.8MB in the beginning and 95.3MB in the end (delta: -41.5MB). Peak memory consumption was 13.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 17:33:24,856 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_738c1a74-a14a-4baa-ad84-22dedf56bc61/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable