./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_array_list_length_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4fc63b2a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83d5212b-83cb-41c9-ab9c-3556333fe373/bin/utaipan-verify-DbMuA5NWw2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83d5212b-83cb-41c9-ab9c-3556333fe373/bin/utaipan-verify-DbMuA5NWw2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83d5212b-83cb-41c9-ab9c-3556333fe373/bin/utaipan-verify-DbMuA5NWw2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83d5212b-83cb-41c9-ab9c-3556333fe373/bin/utaipan-verify-DbMuA5NWw2/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_array_list_length_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83d5212b-83cb-41c9-ab9c-3556333fe373/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83d5212b-83cb-41c9-ab9c-3556333fe373/bin/utaipan-verify-DbMuA5NWw2 --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 53c422310795c2e7f5b0f72e5a73eee871aa1645d7b73c98001e28d2bf239333 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-11-02 11:26:11,555 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-02 11:26:11,615 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83d5212b-83cb-41c9-ab9c-3556333fe373/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-64bit-Taipan_Default.epf [2024-11-02 11:26:11,620 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-02 11:26:11,620 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-02 11:26:11,641 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-02 11:26:11,642 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-02 11:26:11,642 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-02 11:26:11,643 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-02 11:26:11,643 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-02 11:26:11,644 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-02 11:26:11,644 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-02 11:26:11,644 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-02 11:26:11,645 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-02 11:26:11,645 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-02 11:26:11,646 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-02 11:26:11,646 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-02 11:26:11,646 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-02 11:26:11,647 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-02 11:26:11,647 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-02 11:26:11,648 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-02 11:26:11,648 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-02 11:26:11,649 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-02 11:26:11,649 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-02 11:26:11,650 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-02 11:26:11,650 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-02 11:26:11,650 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-02 11:26:11,651 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-02 11:26:11,651 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-02 11:26:11,651 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-02 11:26:11,651 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-02 11:26:11,652 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-02 11:26:11,652 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-02 11:26:11,653 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-02 11:26:11,653 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-02 11:26:11,653 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 11:26:11,654 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-02 11:26:11,654 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-02 11:26:11,654 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-02 11:26:11,655 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-02 11:26:11,655 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-02 11:26:11,655 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-02 11:26:11,656 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-02 11:26:11,656 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-02 11:26:11,656 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_83d5212b-83cb-41c9-ab9c-3556333fe373/bin/utaipan-verify-DbMuA5NWw2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83d5212b-83cb-41c9-ab9c-3556333fe373/bin/utaipan-verify-DbMuA5NWw2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 53c422310795c2e7f5b0f72e5a73eee871aa1645d7b73c98001e28d2bf239333 [2024-11-02 11:26:11,966 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-02 11:26:11,997 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-02 11:26:12,003 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-02 11:26:12,005 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-02 11:26:12,005 INFO L274 PluginConnector]: CDTParser initialized [2024-11-02 11:26:12,007 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83d5212b-83cb-41c9-ab9c-3556333fe373/bin/utaipan-verify-DbMuA5NWw2/../../sv-benchmarks/c/aws-c-common/aws_array_list_length_harness.i Unable to find full path for "g++" [2024-11-02 11:26:14,133 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-02 11:26:14,607 INFO L384 CDTParser]: Found 1 translation units. [2024-11-02 11:26:14,610 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83d5212b-83cb-41c9-ab9c-3556333fe373/sv-benchmarks/c/aws-c-common/aws_array_list_length_harness.i [2024-11-02 11:26:14,640 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83d5212b-83cb-41c9-ab9c-3556333fe373/bin/utaipan-verify-DbMuA5NWw2/data/77cd5c2b9/f01b876fcdd2445a8edc05fbf6a16b24/FLAGea2c48f48 [2024-11-02 11:26:14,656 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83d5212b-83cb-41c9-ab9c-3556333fe373/bin/utaipan-verify-DbMuA5NWw2/data/77cd5c2b9/f01b876fcdd2445a8edc05fbf6a16b24 [2024-11-02 11:26:14,659 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-02 11:26:14,660 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-02 11:26:14,662 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-02 11:26:14,663 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-02 11:26:14,669 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-02 11:26:14,670 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 11:26:14" (1/1) ... [2024-11-02 11:26:14,671 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@659f0df3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:26:14, skipping insertion in model container [2024-11-02 11:26:14,671 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 11:26:14" (1/1) ... [2024-11-02 11:26:14,813 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-02 11:26:15,144 WARN L251 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_83d5212b-83cb-41c9-ab9c-3556333fe373/sv-benchmarks/c/aws-c-common/aws_array_list_length_harness.i[4495,4508] [2024-11-02 11:26:15,152 WARN L251 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_83d5212b-83cb-41c9-ab9c-3556333fe373/sv-benchmarks/c/aws-c-common/aws_array_list_length_harness.i[4555,4568] [2024-11-02 11:26:16,109 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 11:26:16,111 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 11:26:16,112 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 11:26:16,113 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 11:26:16,114 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 11:26:16,129 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 11:26:16,130 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 11:26:16,133 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 11:26:16,133 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 11:26:16,136 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 11:26:16,137 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 11:26:16,138 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 11:26:16,139 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 11:26:16,799 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 11:26:16,808 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 11:26:16,870 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 11:26:16,911 INFO L200 MainTranslator]: Completed pre-run [2024-11-02 11:26:16,933 WARN L251 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_83d5212b-83cb-41c9-ab9c-3556333fe373/sv-benchmarks/c/aws-c-common/aws_array_list_length_harness.i[4495,4508] [2024-11-02 11:26:16,934 WARN L251 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_83d5212b-83cb-41c9-ab9c-3556333fe373/sv-benchmarks/c/aws-c-common/aws_array_list_length_harness.i[4555,4568] [2024-11-02 11:26:17,037 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 11:26:17,041 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 11:26:17,042 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 11:26:17,042 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 11:26:17,044 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 11:26:17,061 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 11:26:17,062 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 11:26:17,064 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 11:26:17,068 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 11:26:17,122 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 11:26:17,124 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 11:26:17,125 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 11:26:17,126 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 11:26:17,302 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 11:26:17,309 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 11:26:17,318 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7747-7758] [2024-11-02 11:26:17,339 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 11:26:17,703 INFO L204 MainTranslator]: Completed translation [2024-11-02 11:26:17,704 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:26:17 WrapperNode [2024-11-02 11:26:17,704 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-02 11:26:17,705 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-02 11:26:17,705 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-02 11:26:17,706 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-02 11:26:17,719 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:26:17" (1/1) ... [2024-11-02 11:26:17,825 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:26:17" (1/1) ... [2024-11-02 11:26:17,912 INFO L138 Inliner]: procedures = 679, calls = 1677, calls flagged for inlining = 52, calls inlined = 8, statements flattened = 592 [2024-11-02 11:26:17,914 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-02 11:26:17,916 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-02 11:26:17,916 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-02 11:26:17,917 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-02 11:26:17,938 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:26:17" (1/1) ... [2024-11-02 11:26:17,940 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:26:17" (1/1) ... [2024-11-02 11:26:17,953 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:26:17" (1/1) ... [2024-11-02 11:26:17,955 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:26:17" (1/1) ... [2024-11-02 11:26:18,001 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:26:17" (1/1) ... [2024-11-02 11:26:18,008 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:26:17" (1/1) ... [2024-11-02 11:26:18,016 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:26:17" (1/1) ... [2024-11-02 11:26:18,023 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:26:17" (1/1) ... [2024-11-02 11:26:18,038 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-02 11:26:18,042 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-02 11:26:18,043 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-02 11:26:18,043 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-02 11:26:18,044 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:26:17" (1/1) ... [2024-11-02 11:26:18,054 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 11:26:18,070 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83d5212b-83cb-41c9-ab9c-3556333fe373/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 11:26:18,095 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83d5212b-83cb-41c9-ab9c-3556333fe373/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-02 11:26:18,099 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83d5212b-83cb-41c9-ab9c-3556333fe373/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-02 11:26:18,131 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-02 11:26:18,132 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2024-11-02 11:26:18,132 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2024-11-02 11:26:18,133 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2024-11-02 11:26:18,133 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2024-11-02 11:26:18,133 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-02 11:26:18,133 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-02 11:26:18,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-11-02 11:26:18,134 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-02 11:26:18,134 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-11-02 11:26:18,134 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-11-02 11:26:18,134 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-02 11:26:18,134 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-02 11:26:18,134 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-02 11:26:18,135 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-02 11:26:18,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-02 11:26:18,135 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-02 11:26:18,135 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-02 11:26:18,136 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-02 11:26:18,136 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-02 11:26:18,137 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2024-11-02 11:26:18,137 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2024-11-02 11:26:18,138 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2024-11-02 11:26:18,138 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2024-11-02 11:26:18,138 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2024-11-02 11:26:18,138 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_length [2024-11-02 11:26:18,138 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_length [2024-11-02 11:26:18,138 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-02 11:26:18,138 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-02 11:26:18,138 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-02 11:26:18,139 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-02 11:26:18,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-02 11:26:18,139 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-02 11:26:18,139 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-02 11:26:18,139 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2024-11-02 11:26:18,139 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2024-11-02 11:26:18,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-02 11:26:18,139 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2024-11-02 11:26:18,139 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2024-11-02 11:26:18,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-02 11:26:18,469 INFO L238 CfgBuilder]: Building ICFG [2024-11-02 11:26:18,473 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-02 11:26:22,295 INFO L? ?]: Removed 108 outVars from TransFormulas that were not future-live. [2024-11-02 11:26:22,295 INFO L287 CfgBuilder]: Performing block encoding [2024-11-02 11:26:22,691 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-02 11:26:22,691 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-02 11:26:22,691 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 11:26:22 BoogieIcfgContainer [2024-11-02 11:26:22,692 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-02 11:26:22,694 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-02 11:26:22,696 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-02 11:26:22,699 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-02 11:26:22,699 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 11:26:14" (1/3) ... [2024-11-02 11:26:22,700 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@fa6c42e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 11:26:22, skipping insertion in model container [2024-11-02 11:26:22,701 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:26:17" (2/3) ... [2024-11-02 11:26:22,701 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@fa6c42e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 11:26:22, skipping insertion in model container [2024-11-02 11:26:22,701 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 11:26:22" (3/3) ... [2024-11-02 11:26:22,704 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_array_list_length_harness.i [2024-11-02 11:26:22,722 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-02 11:26:22,723 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-02 11:26:22,805 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-02 11:26:22,816 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;@4320cffd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-02 11:26:22,816 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-02 11:26:22,821 INFO L276 IsEmpty]: Start isEmpty. Operand has 99 states, 54 states have (on average 1.1851851851851851) internal successors, (64), 55 states have internal predecessors, (64), 30 states have call successors, (30), 13 states have call predecessors, (30), 13 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2024-11-02 11:26:22,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-02 11:26:22,835 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 11:26:22,836 INFO L215 NwaCegarLoop]: trace histogram [5, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 11:26:22,837 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 11:26:22,842 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 11:26:22,843 INFO L85 PathProgramCache]: Analyzing trace with hash 1064346279, now seen corresponding path program 1 times [2024-11-02 11:26:22,854 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-02 11:26:22,855 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2007483677] [2024-11-02 11:26:22,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 11:26:22,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-02 11:26:30,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 11:26:32,267 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-02 11:26:32,267 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-02 11:26:32,267 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2007483677] [2024-11-02 11:26:32,268 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2007483677] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-02 11:26:32,268 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1785400917] [2024-11-02 11:26:32,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 11:26:32,269 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-02 11:26:32,270 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83d5212b-83cb-41c9-ab9c-3556333fe373/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 11:26:32,272 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83d5212b-83cb-41c9-ab9c-3556333fe373/bin/utaipan-verify-DbMuA5NWw2/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-02 11:26:32,274 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83d5212b-83cb-41c9-ab9c-3556333fe373/bin/utaipan-verify-DbMuA5NWw2/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-02 11:26:39,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 11:26:39,220 INFO L255 TraceCheckSpWp]: Trace formula consists of 4032 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-02 11:26:39,232 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-02 11:26:39,560 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-02 11:26:39,561 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-02 11:26:39,561 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1785400917] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 11:26:39,561 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-02 11:26:39,561 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 8 [2024-11-02 11:26:39,567 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1318853626] [2024-11-02 11:26:39,568 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 11:26:39,575 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-02 11:26:39,577 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-02 11:26:39,605 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-02 11:26:39,606 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-02 11:26:39,609 INFO L87 Difference]: Start difference. First operand has 99 states, 54 states have (on average 1.1851851851851851) internal successors, (64), 55 states have internal predecessors, (64), 30 states have call successors, (30), 13 states have call predecessors, (30), 13 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 3 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2024-11-02 11:26:41,718 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-02 11:26:43,929 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.21s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-02 11:26:46,199 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.27s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-02 11:26:47,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 11:26:47,160 INFO L93 Difference]: Finished difference Result 169 states and 225 transitions. [2024-11-02 11:26:47,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-02 11:26:47,167 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 3 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 56 [2024-11-02 11:26:47,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 11:26:47,176 INFO L225 Difference]: With dead ends: 169 [2024-11-02 11:26:47,177 INFO L226 Difference]: Without dead ends: 95 [2024-11-02 11:26:47,180 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-02 11:26:47,183 INFO L432 NwaCegarLoop]: 102 mSDtfsCounter, 18 mSDsluCounter, 264 mSDsCounter, 0 mSdLazyCounter, 85 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 366 SdHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 85 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.5s IncrementalHoareTripleChecker+Time [2024-11-02 11:26:47,183 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 366 Invalid, 89 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 85 Invalid, 3 Unknown, 0 Unchecked, 7.5s Time] [2024-11-02 11:26:47,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2024-11-02 11:26:47,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 95. [2024-11-02 11:26:47,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 51 states have (on average 1.1176470588235294) internal successors, (57), 53 states have internal predecessors, (57), 30 states have call successors, (30), 13 states have call predecessors, (30), 13 states have return successors, (30), 28 states have call predecessors, (30), 28 states have call successors, (30) [2024-11-02 11:26:47,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 117 transitions. [2024-11-02 11:26:47,238 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 117 transitions. Word has length 56 [2024-11-02 11:26:47,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 11:26:47,239 INFO L471 AbstractCegarLoop]: Abstraction has 95 states and 117 transitions. [2024-11-02 11:26:47,240 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 3 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2024-11-02 11:26:47,240 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 117 transitions. [2024-11-02 11:26:47,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-02 11:26:47,243 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 11:26:47,243 INFO L215 NwaCegarLoop]: trace histogram [5, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 11:26:47,265 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83d5212b-83cb-41c9-ab9c-3556333fe373/bin/utaipan-verify-DbMuA5NWw2/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-02 11:26:47,447 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83d5212b-83cb-41c9-ab9c-3556333fe373/bin/utaipan-verify-DbMuA5NWw2/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-02 11:26:47,447 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 11:26:47,448 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 11:26:47,448 INFO L85 PathProgramCache]: Analyzing trace with hash -114742784, now seen corresponding path program 1 times [2024-11-02 11:26:47,448 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-02 11:26:47,449 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [535797721] [2024-11-02 11:26:47,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 11:26:47,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms