./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_hash_array_ignore_case_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f0db503-e221-43e9-b293-8b9bb0b2e68d/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f0db503-e221-43e9-b293-8b9bb0b2e68d/bin/utaipan-verify-YMUCfTKeje/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f0db503-e221-43e9-b293-8b9bb0b2e68d/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f0db503-e221-43e9-b293-8b9bb0b2e68d/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_hash_array_ignore_case_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f0db503-e221-43e9-b293-8b9bb0b2e68d/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f0db503-e221-43e9-b293-8b9bb0b2e68d/bin/utaipan-verify-YMUCfTKeje --witnessprinter.witness.filename witness --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 83462fd52b0417fe08640aca48aed2176277e9659a50beb2a698b577d9a2b70d --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 04:45:15,243 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 04:45:15,315 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f0db503-e221-43e9-b293-8b9bb0b2e68d/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-64bit-Taipan_Default.epf [2024-11-09 04:45:15,320 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 04:45:15,321 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 04:45:15,363 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 04:45:15,365 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 04:45:15,365 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 04:45:15,366 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 04:45:15,366 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 04:45:15,366 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 04:45:15,367 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 04:45:15,367 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 04:45:15,368 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 04:45:15,369 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 04:45:15,370 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 04:45:15,371 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 04:45:15,374 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 04:45:15,375 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 04:45:15,375 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 04:45:15,375 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 04:45:15,376 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 04:45:15,377 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 04:45:15,377 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 04:45:15,377 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 04:45:15,378 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 04:45:15,378 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 04:45:15,378 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 04:45:15,379 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 04:45:15,379 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 04:45:15,379 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 04:45:15,380 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 04:45:15,380 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 04:45:15,380 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 04:45:15,381 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 04:45:15,381 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 04:45:15,381 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 04:45:15,382 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 04:45:15,382 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 04:45:15,382 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 04:45:15,382 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 04:45:15,383 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 04:45:15,383 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 04:45:15,383 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 04:45:15,384 INFO L153 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_4f0db503-e221-43e9-b293-8b9bb0b2e68d/bin/utaipan-verify-YMUCfTKeje/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f0db503-e221-43e9-b293-8b9bb0b2e68d/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 83462fd52b0417fe08640aca48aed2176277e9659a50beb2a698b577d9a2b70d [2024-11-09 04:45:15,662 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 04:45:15,689 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 04:45:15,692 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 04:45:15,693 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 04:45:15,694 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 04:45:15,695 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f0db503-e221-43e9-b293-8b9bb0b2e68d/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/aws-c-common/aws_hash_array_ignore_case_harness.i Unable to find full path for "g++" [2024-11-09 04:45:17,737 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 04:45:18,285 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 04:45:18,285 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f0db503-e221-43e9-b293-8b9bb0b2e68d/sv-benchmarks/c/aws-c-common/aws_hash_array_ignore_case_harness.i [2024-11-09 04:45:18,326 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f0db503-e221-43e9-b293-8b9bb0b2e68d/bin/utaipan-verify-YMUCfTKeje/data/8246548e9/0ebbdccef1c84fe9a25c0c035ef09ab0/FLAG36584e2be [2024-11-09 04:45:18,820 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f0db503-e221-43e9-b293-8b9bb0b2e68d/bin/utaipan-verify-YMUCfTKeje/data/8246548e9/0ebbdccef1c84fe9a25c0c035ef09ab0 [2024-11-09 04:45:18,822 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 04:45:18,824 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 04:45:18,825 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 04:45:18,826 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 04:45:18,835 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 04:45:18,835 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 04:45:18" (1/1) ... [2024-11-09 04:45:18,836 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1654ac11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:45:18, skipping insertion in model container [2024-11-09 04:45:18,837 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 04:45:18" (1/1) ... [2024-11-09 04:45:18,984 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 04:45:19,297 WARN L250 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_4f0db503-e221-43e9-b293-8b9bb0b2e68d/sv-benchmarks/c/aws-c-common/aws_hash_array_ignore_case_harness.i[4500,4513] [2024-11-09 04:45:19,308 WARN L250 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_4f0db503-e221-43e9-b293-8b9bb0b2e68d/sv-benchmarks/c/aws-c-common/aws_hash_array_ignore_case_harness.i[4560,4573] [2024-11-09 04:45:20,316 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 04:45:20,317 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 04:45:20,317 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 04:45:20,318 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 04:45:20,320 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 04:45:20,338 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 04:45:20,339 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 04:45:20,341 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 04:45:20,342 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 04:45:21,254 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 04:45:21,255 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 04:45:21,339 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 04:45:21,406 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 04:45:21,422 WARN L250 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_4f0db503-e221-43e9-b293-8b9bb0b2e68d/sv-benchmarks/c/aws-c-common/aws_hash_array_ignore_case_harness.i[4500,4513] [2024-11-09 04:45:21,423 WARN L250 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_4f0db503-e221-43e9-b293-8b9bb0b2e68d/sv-benchmarks/c/aws-c-common/aws_hash_array_ignore_case_harness.i[4560,4573] [2024-11-09 04:45:21,470 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 04:45:21,470 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 04:45:21,471 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 04:45:21,472 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 04:45:21,472 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 04:45:21,480 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 04:45:21,481 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 04:45:21,482 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 04:45:21,483 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 04:45:21,715 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8269] [2024-11-09 04:45:21,717 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 04:45:21,718 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 04:45:21,743 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8755-8766] [2024-11-09 04:45:21,768 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 04:45:22,081 INFO L204 MainTranslator]: Completed translation [2024-11-09 04:45:22,082 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:45:22 WrapperNode [2024-11-09 04:45:22,082 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 04:45:22,083 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 04:45:22,083 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 04:45:22,083 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 04:45:22,091 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:45:22" (1/1) ... [2024-11-09 04:45:22,198 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:45:22" (1/1) ... [2024-11-09 04:45:22,289 INFO L138 Inliner]: procedures = 679, calls = 2595, calls flagged for inlining = 55, calls inlined = 3, statements flattened = 726 [2024-11-09 04:45:22,290 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 04:45:22,291 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 04:45:22,291 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 04:45:22,292 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 04:45:22,304 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:45:22" (1/1) ... [2024-11-09 04:45:22,305 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:45:22" (1/1) ... [2024-11-09 04:45:22,317 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:45:22" (1/1) ... [2024-11-09 04:45:22,317 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:45:22" (1/1) ... [2024-11-09 04:45:22,380 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:45:22" (1/1) ... [2024-11-09 04:45:22,389 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:45:22" (1/1) ... [2024-11-09 04:45:22,398 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:45:22" (1/1) ... [2024-11-09 04:45:22,406 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:45:22" (1/1) ... [2024-11-09 04:45:22,426 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 04:45:22,431 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 04:45:22,431 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 04:45:22,431 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 04:45:22,432 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:45:22" (1/1) ... [2024-11-09 04:45:22,447 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 04:45:22,468 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f0db503-e221-43e9-b293-8b9bb0b2e68d/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 04:45:22,486 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f0db503-e221-43e9-b293-8b9bb0b2e68d/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 04:45:22,494 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f0db503-e221-43e9-b293-8b9bb0b2e68d/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 04:45:22,531 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-09 04:45:22,531 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-09 04:45:22,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-11-09 04:45:22,533 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-09 04:45:22,534 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-09 04:45:22,534 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-09 04:45:22,534 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-09 04:45:22,534 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 04:45:22,534 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 04:45:22,535 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 04:45:22,536 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hash_array_ignore_case [2024-11-09 04:45:22,536 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hash_array_ignore_case [2024-11-09 04:45:22,536 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-09 04:45:22,537 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-09 04:45:22,537 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2024-11-09 04:45:22,537 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2024-11-09 04:45:22,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2024-11-09 04:45:22,537 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2024-11-09 04:45:22,538 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2024-11-09 04:45:22,538 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 04:45:22,539 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 04:45:22,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-09 04:45:22,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 04:45:22,986 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 04:45:22,990 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 04:45:29,995 INFO L? ?]: Removed 32 outVars from TransFormulas that were not future-live. [2024-11-09 04:45:29,995 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 04:45:30,526 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 04:45:30,527 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 04:45:30,527 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 04:45:30 BoogieIcfgContainer [2024-11-09 04:45:30,527 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 04:45:30,531 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 04:45:30,532 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 04:45:30,536 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 04:45:30,536 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 04:45:18" (1/3) ... [2024-11-09 04:45:30,537 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6eae3f7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 04:45:30, skipping insertion in model container [2024-11-09 04:45:30,537 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:45:22" (2/3) ... [2024-11-09 04:45:30,538 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6eae3f7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 04:45:30, skipping insertion in model container [2024-11-09 04:45:30,539 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 04:45:30" (3/3) ... [2024-11-09 04:45:30,540 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_hash_array_ignore_case_harness.i [2024-11-09 04:45:30,558 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 04:45:30,558 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 04:45:30,644 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 04:45:30,656 INFO L333 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, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@2d06496, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 04:45:30,656 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 04:45:30,662 INFO L276 IsEmpty]: Start isEmpty. Operand has 42 states, 23 states have (on average 1.2173913043478262) internal successors, (28), 24 states have internal predecessors, (28), 10 states have call successors, (10), 7 states have call predecessors, (10), 7 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-09 04:45:30,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-09 04:45:30,672 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:45:30,672 INFO L215 NwaCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 04:45:30,674 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:45:30,680 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:45:30,680 INFO L85 PathProgramCache]: Analyzing trace with hash 1786965942, now seen corresponding path program 1 times [2024-11-09 04:45:30,690 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 04:45:30,691 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [839071361] [2024-11-09 04:45:30,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:45:30,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 04:47:24,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:47:34,599 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-09 04:47:34,600 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 04:47:34,600 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [839071361] [2024-11-09 04:47:34,601 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [839071361] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:47:34,602 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 04:47:34,602 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-09 04:47:34,604 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [135177702] [2024-11-09 04:47:34,605 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:47:34,609 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-09 04:47:34,609 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 04:47:34,634 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-09 04:47:34,636 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-09 04:47:34,638 INFO L87 Difference]: Start difference. First operand has 42 states, 23 states have (on average 1.2173913043478262) internal successors, (28), 24 states have internal predecessors, (28), 10 states have call successors, (10), 7 states have call predecessors, (10), 7 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) Second operand has 8 states, 8 states have (on average 2.125) internal successors, (17), 7 states have internal predecessors, (17), 3 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-09 04:47:36,871 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.21s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:47:39,205 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.33s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:47:41,513 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.30s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:47:43,840 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.32s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:47:46,152 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.31s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:47:48,446 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.29s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:47:50,773 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.32s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:47:52,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:47:52,329 INFO L93 Difference]: Finished difference Result 59 states and 68 transitions. [2024-11-09 04:47:52,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-09 04:47:52,333 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 2.125) internal successors, (17), 7 states have internal predecessors, (17), 3 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) Word has length 34 [2024-11-09 04:47:52,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:47:52,341 INFO L225 Difference]: With dead ends: 59 [2024-11-09 04:47:52,341 INFO L226 Difference]: Without dead ends: 40 [2024-11-09 04:47:52,344 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-09 04:47:52,347 INFO L432 NwaCegarLoop]: 30 mSDtfsCounter, 4 mSDsluCounter, 172 mSDsCounter, 0 mSdLazyCounter, 117 mSolverCounterSat, 1 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 202 SdHoareTripleChecker+Invalid, 125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 117 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.5s IncrementalHoareTripleChecker+Time [2024-11-09 04:47:52,347 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 202 Invalid, 125 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 117 Invalid, 7 Unknown, 0 Unchecked, 17.5s Time] [2024-11-09 04:47:52,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2024-11-09 04:47:52,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2024-11-09 04:47:52,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 23 states have (on average 1.1304347826086956) internal successors, (26), 23 states have internal predecessors, (26), 10 states have call successors, (10), 7 states have call predecessors, (10), 6 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-09 04:47:52,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 45 transitions. [2024-11-09 04:47:52,396 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 45 transitions. Word has length 34 [2024-11-09 04:47:52,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:47:52,398 INFO L471 AbstractCegarLoop]: Abstraction has 40 states and 45 transitions. [2024-11-09 04:47:52,400 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 2.125) internal successors, (17), 7 states have internal predecessors, (17), 3 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-09 04:47:52,400 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 45 transitions. [2024-11-09 04:47:52,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-09 04:47:52,402 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:47:52,402 INFO L215 NwaCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 04:47:52,403 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 04:47:52,403 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:47:52,404 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:47:52,404 INFO L85 PathProgramCache]: Analyzing trace with hash -190619879, now seen corresponding path program 1 times [2024-11-09 04:47:52,405 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 04:47:52,405 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1566807650] [2024-11-09 04:47:52,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:47:52,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 04:49:32,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:49:41,917 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 04:49:41,917 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 04:49:41,918 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1566807650] [2024-11-09 04:49:41,918 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1566807650] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 04:49:41,918 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1169338645] [2024-11-09 04:49:41,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:49:41,919 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 04:49:41,919 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f0db503-e221-43e9-b293-8b9bb0b2e68d/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 04:49:41,925 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f0db503-e221-43e9-b293-8b9bb0b2e68d/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 04:49:41,927 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f0db503-e221-43e9-b293-8b9bb0b2e68d/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-09 04:51:34,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:51:34,218 INFO L255 TraceCheckSpWp]: Trace formula consists of 7417 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-09 04:51:34,231 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:51:35,084 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 04:51:35,085 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 04:51:36,601 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 04:51:36,602 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1169338645] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 04:51:36,602 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1922354724] [2024-11-09 04:51:36,627 INFO L159 IcfgInterpreter]: Started Sifa with 32 locations of interest [2024-11-09 04:51:36,628 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 04:51:36,633 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 04:51:36,642 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 04:51:36,643 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 04:55:08,652 WARN L286 SmtUtils]: Spent 5.08s on a formula simplification that was a NOOP. DAG size: 9694 (called from [L 210] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2024-11-09 04:55:20,111 WARN L286 SmtUtils]: Spent 6.97s on a formula simplification. DAG size of input: 9695 DAG size of output: 9695 (called from [L 210] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2024-11-09 04:55:26,026 WARN L286 SmtUtils]: Spent 5.89s on a formula simplification that was a NOOP. DAG size: 9694 (called from [L 210] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2024-11-09 04:55:32,036 WARN L286 SmtUtils]: Spent 5.99s on a formula simplification that was a NOOP. DAG size: 9694 (called from [L 210] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2024-11-09 04:55:41,447 WARN L286 SmtUtils]: Spent 9.39s on a formula simplification. DAG size of input: 9695 DAG size of output: 9695 (called from [L 210] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2024-11-09 04:55:46,634 WARN L286 SmtUtils]: Spent 5.17s on a formula simplification that was a NOOP. DAG size: 9694 (called from [L 210] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2024-11-09 04:55:51,798 WARN L286 SmtUtils]: Spent 5.14s on a formula simplification that was a NOOP. DAG size: 9694 (called from [L 210] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2024-11-09 04:55:59,017 WARN L286 SmtUtils]: Spent 7.20s on a formula simplification. DAG size of input: 9695 DAG size of output: 9695 (called from [L 210] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2024-11-09 04:56:04,055 WARN L286 SmtUtils]: Spent 5.02s on a formula simplification that was a NOOP. DAG size: 9694 (called from [L 210] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2024-11-09 04:56:14,270 WARN L286 SmtUtils]: Spent 5.90s on a formula simplification. DAG size of input: 9695 DAG size of output: 9695 (called from [L 210] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2024-11-09 04:57:19,696 WARN L286 SmtUtils]: Spent 5.19s on a formula simplification that was a NOOP. DAG size: 9660 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)