./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_byte_buf_reset_harness_negated.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818508a0-de32-47b0-a196-2bdb204f46c8/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818508a0-de32-47b0-a196-2bdb204f46c8/bin/utaipan-verify-sOmjnqqW8E/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818508a0-de32-47b0-a196-2bdb204f46c8/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818508a0-de32-47b0-a196-2bdb204f46c8/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_byte_buf_reset_harness_negated.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818508a0-de32-47b0-a196-2bdb204f46c8/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818508a0-de32-47b0-a196-2bdb204f46c8/bin/utaipan-verify-sOmjnqqW8E --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 213a189671075c0c13353e6cef2ff881190dbc59e085aa9fab998a3d426f19f8 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 05:48:34,804 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 05:48:34,901 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818508a0-de32-47b0-a196-2bdb204f46c8/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-64bit-Taipan_Default.epf [2024-11-14 05:48:34,910 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 05:48:34,910 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 05:48:34,945 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 05:48:34,945 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 05:48:34,945 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 05:48:34,946 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 05:48:34,946 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 05:48:34,946 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 05:48:34,946 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 05:48:34,946 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 05:48:34,946 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-14 05:48:34,946 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 05:48:34,946 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 05:48:34,947 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-14 05:48:34,947 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-14 05:48:34,947 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 05:48:34,947 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-14 05:48:34,949 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-14 05:48:34,949 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-14 05:48:34,950 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 05:48:34,950 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 05:48:34,950 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 05:48:34,951 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 05:48:34,951 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 05:48:34,951 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 05:48:34,951 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 05:48:34,951 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 05:48:34,952 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 05:48:34,952 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 05:48:34,952 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 05:48:34,952 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 05:48:34,953 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 05:48:34,953 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 05:48:34,953 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 05:48:34,953 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 05:48:34,953 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 05:48:34,953 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-14 05:48:34,953 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 05:48:34,953 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 05:48:34,954 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 05:48:34,954 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-14 05:48:34,954 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_818508a0-de32-47b0-a196-2bdb204f46c8/bin/utaipan-verify-sOmjnqqW8E 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 -> 213a189671075c0c13353e6cef2ff881190dbc59e085aa9fab998a3d426f19f8 [2024-11-14 05:48:35,272 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 05:48:35,280 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 05:48:35,283 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 05:48:35,284 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 05:48:35,285 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 05:48:35,286 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818508a0-de32-47b0-a196-2bdb204f46c8/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/aws-c-common/aws_byte_buf_reset_harness_negated.i Unable to find full path for "g++" [2024-11-14 05:48:37,159 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 05:48:37,732 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 05:48:37,733 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818508a0-de32-47b0-a196-2bdb204f46c8/sv-benchmarks/c/aws-c-common/aws_byte_buf_reset_harness_negated.i [2024-11-14 05:48:37,781 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818508a0-de32-47b0-a196-2bdb204f46c8/bin/utaipan-verify-sOmjnqqW8E/data/d0a899f89/c72df11830be4e419bdac8f340646ca2/FLAG0f7873994 [2024-11-14 05:48:37,799 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818508a0-de32-47b0-a196-2bdb204f46c8/bin/utaipan-verify-sOmjnqqW8E/data/d0a899f89/c72df11830be4e419bdac8f340646ca2 [2024-11-14 05:48:37,802 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 05:48:37,805 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 05:48:37,807 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 05:48:37,807 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 05:48:37,811 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 05:48:37,811 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 05:48:37" (1/1) ... [2024-11-14 05:48:37,812 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@439aa21b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:48:37, skipping insertion in model container [2024-11-14 05:48:37,812 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 05:48:37" (1/1) ... [2024-11-14 05:48:37,912 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 05:48:38,259 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_818508a0-de32-47b0-a196-2bdb204f46c8/sv-benchmarks/c/aws-c-common/aws_byte_buf_reset_harness_negated.i[4492,4505] [2024-11-14 05:48:38,266 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_818508a0-de32-47b0-a196-2bdb204f46c8/sv-benchmarks/c/aws-c-common/aws_byte_buf_reset_harness_negated.i[4552,4565] [2024-11-14 05:48:39,269 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-14 05:48:39,269 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-14 05:48:39,270 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-14 05:48:39,271 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-14 05:48:39,272 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-14 05:48:39,287 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-14 05:48:39,288 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-14 05:48:39,290 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-14 05:48:39,291 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-14 05:48:40,171 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-14 05:48:40,172 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-14 05:48:40,251 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 05:48:40,303 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 05:48:40,316 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_818508a0-de32-47b0-a196-2bdb204f46c8/sv-benchmarks/c/aws-c-common/aws_byte_buf_reset_harness_negated.i[4492,4505] [2024-11-14 05:48:40,316 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_818508a0-de32-47b0-a196-2bdb204f46c8/sv-benchmarks/c/aws-c-common/aws_byte_buf_reset_harness_negated.i[4552,4565] [2024-11-14 05:48:40,365 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-14 05:48:40,365 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-14 05:48:40,366 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-14 05:48:40,366 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-14 05:48:40,367 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-14 05:48:40,381 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-14 05:48:40,382 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-14 05:48:40,383 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-14 05:48:40,383 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-14 05:48:40,589 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8259] [2024-11-14 05:48:40,590 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-14 05:48:40,591 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-14 05:48:40,607 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8745-8756] [2024-11-14 05:48:40,631 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 05:48:40,913 INFO L204 MainTranslator]: Completed translation [2024-11-14 05:48:40,914 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:48:40 WrapperNode [2024-11-14 05:48:40,914 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 05:48:40,915 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 05:48:40,915 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 05:48:40,915 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 05:48:40,924 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:48:40" (1/1) ... [2024-11-14 05:48:41,024 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:48:40" (1/1) ... [2024-11-14 05:48:41,119 INFO L138 Inliner]: procedures = 680, calls = 2629, calls flagged for inlining = 59, calls inlined = 7, statements flattened = 822 [2024-11-14 05:48:41,120 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 05:48:41,120 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 05:48:41,120 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 05:48:41,120 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 05:48:41,136 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:48:40" (1/1) ... [2024-11-14 05:48:41,136 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:48:40" (1/1) ... [2024-11-14 05:48:41,146 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:48:40" (1/1) ... [2024-11-14 05:48:41,146 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:48:40" (1/1) ... [2024-11-14 05:48:41,191 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:48:40" (1/1) ... [2024-11-14 05:48:41,196 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:48:40" (1/1) ... [2024-11-14 05:48:41,202 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:48:40" (1/1) ... [2024-11-14 05:48:41,205 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:48:40" (1/1) ... [2024-11-14 05:48:41,218 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 05:48:41,219 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 05:48:41,219 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 05:48:41,219 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 05:48:41,220 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:48:40" (1/1) ... [2024-11-14 05:48:41,231 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 05:48:41,264 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818508a0-de32-47b0-a196-2bdb204f46c8/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 05:48:41,299 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818508a0-de32-47b0-a196-2bdb204f46c8/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 05:48:41,310 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818508a0-de32-47b0-a196-2bdb204f46c8/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 05:48:41,363 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2024-11-14 05:48:41,366 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2024-11-14 05:48:41,366 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-14 05:48:41,366 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-14 05:48:41,367 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-14 05:48:41,367 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-11-14 05:48:41,367 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-14 05:48:41,367 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-14 05:48:41,367 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-14 05:48:41,367 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_secure_zero [2024-11-14 05:48:41,367 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_secure_zero [2024-11-14 05:48:41,367 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-14 05:48:41,370 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 05:48:41,371 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-14 05:48:41,371 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 05:48:41,371 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 05:48:41,371 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-14 05:48:41,371 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-14 05:48:41,371 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2024-11-14 05:48:41,371 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-14 05:48:41,371 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-14 05:48:41,371 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-14 05:48:41,371 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-14 05:48:41,371 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-14 05:48:41,372 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-14 05:48:41,372 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-14 05:48:41,372 INFO L130 BoogieDeclarations]: Found specification of procedure assert_all_bytes_are [2024-11-14 05:48:41,372 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_all_bytes_are [2024-11-14 05:48:41,372 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-14 05:48:41,372 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-14 05:48:41,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-14 05:48:41,372 INFO L130 BoogieDeclarations]: Found specification of procedure memset_impl [2024-11-14 05:48:41,372 INFO L138 BoogieDeclarations]: Found implementation of procedure memset_impl [2024-11-14 05:48:41,372 INFO L130 BoogieDeclarations]: Found specification of procedure my_memset [2024-11-14 05:48:41,372 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memset [2024-11-14 05:48:41,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-14 05:48:41,785 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 05:48:41,789 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 05:48:48,974 INFO L? ?]: Removed 72 outVars from TransFormulas that were not future-live. [2024-11-14 05:48:48,974 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 05:48:50,456 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 05:48:50,456 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-14 05:48:50,459 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:48:50 BoogieIcfgContainer [2024-11-14 05:48:50,459 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 05:48:50,462 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 05:48:50,463 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 05:48:50,467 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 05:48:50,468 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 05:48:37" (1/3) ... [2024-11-14 05:48:50,469 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f140ef3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 05:48:50, skipping insertion in model container [2024-11-14 05:48:50,469 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:48:40" (2/3) ... [2024-11-14 05:48:50,470 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f140ef3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 05:48:50, skipping insertion in model container [2024-11-14 05:48:50,470 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:48:50" (3/3) ... [2024-11-14 05:48:50,472 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_reset_harness_negated.i [2024-11-14 05:48:50,489 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 05:48:50,491 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_byte_buf_reset_harness_negated.i that has 12 procedures, 81 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-14 05:48:50,562 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 05:48:50,577 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;@5a5550e4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 05:48:50,577 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 05:48:50,582 INFO L276 IsEmpty]: Start isEmpty. Operand has 81 states, 45 states have (on average 1.2) internal successors, (54), 47 states have internal predecessors, (54), 23 states have call successors, (23), 11 states have call predecessors, (23), 11 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-14 05:48:50,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-14 05:48:50,590 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:48:50,591 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] [2024-11-14 05:48:50,591 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:48:50,596 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:48:50,598 INFO L85 PathProgramCache]: Analyzing trace with hash 1103878943, now seen corresponding path program 1 times [2024-11-14 05:48:50,606 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:48:50,607 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1778794789] [2024-11-14 05:48:50,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:48:50,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:50:36,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 05:50:36,011 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-14 05:50:41,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 05:50:42,246 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-14 05:50:42,249 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-14 05:50:42,250 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-14 05:50:42,253 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-14 05:50:42,257 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-14 05:50:42,331 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-14 05:50:42,336 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.11 05:50:42 BoogieIcfgContainer [2024-11-14 05:50:42,337 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-14 05:50:42,338 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-14 05:50:42,338 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-14 05:50:42,338 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-14 05:50:42,339 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:48:50" (3/4) ... [2024-11-14 05:50:42,341 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-14 05:50:42,342 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-14 05:50:42,343 INFO L158 Benchmark]: Toolchain (without parser) took 124537.96ms. Allocated memory was 117.4MB in the beginning and 1.7GB in the end (delta: 1.5GB). Free memory was 84.3MB in the beginning and 1.3GB in the end (delta: -1.2GB). Peak memory consumption was 312.0MB. Max. memory is 16.1GB. [2024-11-14 05:50:42,343 INFO L158 Benchmark]: CDTParser took 0.44ms. Allocated memory is still 117.4MB. Free memory is still 72.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 05:50:42,344 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3107.94ms. Allocated memory is still 117.4MB. Free memory was 84.3MB in the beginning and 55.8MB in the end (delta: 28.6MB). Peak memory consumption was 92.9MB. Max. memory is 16.1GB. [2024-11-14 05:50:42,344 INFO L158 Benchmark]: Boogie Procedure Inliner took 204.58ms. Allocated memory is still 117.4MB. Free memory was 55.8MB in the beginning and 44.2MB in the end (delta: 11.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-14 05:50:42,345 INFO L158 Benchmark]: Boogie Preprocessor took 98.35ms. Allocated memory is still 117.4MB. Free memory was 44.2MB in the beginning and 37.8MB in the end (delta: 6.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 05:50:42,345 INFO L158 Benchmark]: RCFGBuilder took 9240.31ms. Allocated memory was 117.4MB in the beginning and 201.3MB in the end (delta: 83.9MB). Free memory was 37.8MB in the beginning and 71.5MB in the end (delta: -33.6MB). Peak memory consumption was 126.2MB. Max. memory is 16.1GB. [2024-11-14 05:50:42,345 INFO L158 Benchmark]: TraceAbstraction took 111875.04ms. Allocated memory was 201.3MB in the beginning and 1.7GB in the end (delta: 1.5GB). Free memory was 69.5MB in the beginning and 1.3GB in the end (delta: -1.3GB). Peak memory consumption was 703.4MB. Max. memory is 16.1GB. [2024-11-14 05:50:42,346 INFO L158 Benchmark]: Witness Printer took 4.13ms. Allocated memory is still 1.7GB. Free memory was 1.3GB in the beginning and 1.3GB in the end (delta: 65.4kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-14 05:50:42,353 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.44ms. Allocated memory is still 117.4MB. Free memory is still 72.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3107.94ms. Allocated memory is still 117.4MB. Free memory was 84.3MB in the beginning and 55.8MB in the end (delta: 28.6MB). Peak memory consumption was 92.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 204.58ms. Allocated memory is still 117.4MB. Free memory was 55.8MB in the beginning and 44.2MB in the end (delta: 11.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 98.35ms. Allocated memory is still 117.4MB. Free memory was 44.2MB in the beginning and 37.8MB in the end (delta: 6.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 9240.31ms. Allocated memory was 117.4MB in the beginning and 201.3MB in the end (delta: 83.9MB). Free memory was 37.8MB in the beginning and 71.5MB in the end (delta: -33.6MB). Peak memory consumption was 126.2MB. Max. memory is 16.1GB. * TraceAbstraction took 111875.04ms. Allocated memory was 201.3MB in the beginning and 1.7GB in the end (delta: 1.5GB). Free memory was 69.5MB in the beginning and 1.3GB in the end (delta: -1.3GB). Peak memory consumption was 703.4MB. Max. memory is 16.1GB. * Witness Printer took 4.13ms. Allocated memory is still 1.7GB. Free memory was 1.3GB in the beginning and 1.3GB in the end (delta: 65.4kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 8259]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8259] - GenericResultAtLocation [Line: 8745]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8745-8756] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 223]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of large string literal at line 8762. Possible FailurePath: [L6854-L6859] static struct aws_allocator s_can_fail_allocator_static = { .mem_acquire = s_can_fail_malloc_allocator, .mem_release = s_can_fail_free_allocator, .mem_realloc = s_can_fail_realloc_allocator, .mem_calloc = s_can_fail_calloc_allocator, }; [L7279] static __thread int tl_last_error = 0; [L7638-L7650] static const uint8_t s_tolower_table[256] = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x', 'y', 'z', 91, 92, 93, 94, 95, 96, 'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x', 'y', 'z', 123, 124, 125, 126, 127, 128, 129, 130, 131, 132, 133, 134, 135, 136, 137, 138, 139, 140, 141, 142, 143, 144, 145, 146, 147, 148, 149, 150, 151, 152, 153, 154, 155, 156, 157, 158, 159, 160, 161, 162, 163, 164, 165, 166, 167, 168, 169, 170, 171, 172, 173, 174, 175, 176, 177, 178, 179, 180, 181, 182, 183, 184, 185, 186, 187, 188, 189, 190, 191, 192, 193, 194, 195, 196, 197, 198, 199, 200, 201, 202, 203, 204, 205, 206, 207, 208, 209, 210, 211, 212, 213, 214, 215, 216, 217, 218, 219, 220, 221, 222, 223, 224, 225, 226, 227, 228, 229, 230, 231, 232, 233, 234, 235, 236, 237, 238, 239, 240, 241, 242, 243, 244, 245, 246, 247, 248, 249, 250, 251, 252, 253, 254, 255}; [L8761-L8909] static struct aws_error_info errors[] = { [(AWS_ERROR_SUCCESS)-0x0000] = { .literal_name = "AWS_ERROR_SUCCESS", .error_code = (AWS_ERROR_SUCCESS), .error_str = ("Success."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_SUCCESS" ", " "Success.", } , [(AWS_ERROR_OOM)-0x0000] = { .literal_name = "AWS_ERROR_OOM", .error_code = (AWS_ERROR_OOM), .error_str = ("Out of memory."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_OOM" ", " "Out of memory.", } , [(AWS_ERROR_UNKNOWN)-0x0000] = { .literal_name = "AWS_ERROR_UNKNOWN", .error_code = (AWS_ERROR_UNKNOWN), .error_str = ("Unknown error."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_UNKNOWN" ", " "Unknown error.", } , [(AWS_ERROR_SHORT_BUFFER)-0x0000] = { .literal_name = "AWS_ERROR_SHORT_BUFFER", .error_code = (AWS_ERROR_SHORT_BUFFER), .error_str = ("Buffer is not large enough to hold result."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_SHORT_BUFFER" ", " "Buffer is not large enough to hold result.", } , [(AWS_ERROR_OVERFLOW_DETECTED)-0x0000] = { .literal_name = "AWS_ERROR_OVERFLOW_DETECTED", .error_code = (AWS_ERROR_OVERFLOW_DETECTED), .error_str = ("Fixed size value overflow was detected."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_OVERFLOW_DETECTED" ", " "Fixed size value overflow was detected.", } , [(AWS_ERROR_UNSUPPORTED_OPERATION)-0x0000] = { .literal_name = "AWS_ERROR_UNSUPPORTED_OPERATION", .error_code = (AWS_ERROR_UNSUPPORTED_OPERATION), .error_str = ("Unsupported operation."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_UNSUPPORTED_OPERATION" ", " "Unsupported operation.", } , [(AWS_ERROR_INVALID_BUFFER_SIZE)-0x0000] = { .literal_name = "AWS_ERROR_INVALID_BUFFER_SIZE", .error_code = (AWS_ERROR_INVALID_BUFFER_SIZE), .error_str = ("Invalid buffer size."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_INVALID_BUFFER_SIZE" ", " "Invalid buffer size.", } , [(AWS_ERROR_INVALID_HEX_STR)-0x0000] = { .literal_name = "AWS_ERROR_INVALID_HEX_STR", .error_code = (AWS_ERROR_INVALID_HEX_STR), .error_str = ("Invalid hex string."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_INVALID_HEX_STR" ", " "Invalid hex string.", } , [(AWS_ERROR_INVALID_BASE64_STR)-0x0000] = { .literal_name = "AWS_ERROR_INVALID_BASE64_STR", .error_code = (AWS_ERROR_INVALID_BASE64_STR), .error_str = ("Invalid base64 string."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_INVALID_BASE64_STR" ", " "Invalid base64 string.", } , [(AWS_ERROR_INVALID_INDEX)-0x0000] = { .literal_name = "AWS_ERROR_INVALID_INDEX", .error_code = (AWS_ERROR_INVALID_INDEX), .error_str = ("Invalid index for list access."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_INVALID_INDEX" ", " "Invalid index for list access.", } , [(AWS_ERROR_THREAD_INVALID_SETTINGS)-0x0000] = { .literal_name = "AWS_ERROR_THREAD_INVALID_SETTINGS", .error_code = (AWS_ERROR_THREAD_INVALID_SETTINGS), .error_str = ("Invalid thread settings."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_THREAD_INVALID_SETTINGS" ", " "Invalid thread settings.", } , [(AWS_ERROR_THREAD_INSUFFICIENT_RESOURCE)-0x0000] = { .literal_name = "AWS_ERROR_THREAD_INSUFFICIENT_RESOURCE", .error_code = (AWS_ERROR_THREAD_INSUFFICIENT_RESOURCE), .error_str = ("Insufficent resources for thread."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_THREAD_INSUFFICIENT_RESOURCE" ", " "Insufficent resources for thread.", } , [(AWS_ERROR_THREAD_NO_PERMISSIONS)-0x0000] = { .literal_name = "AWS_ERROR_THREAD_NO_PERMISSIONS", .error_code = (AWS_ERROR_THREAD_NO_PERMISSIONS), .error_str = ("Insufficient permissions for thread operation."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_THREAD_NO_PERMISSIONS" ", " "Insufficient permissions for thread operation.", } , [(AWS_ERROR_THREAD_NOT_JOINABLE)-0x0000] = { .literal_name = "AWS_ERROR_THREAD_NOT_JOINABLE", .error_code = (AWS_ERROR_THREAD_NOT_JOINABLE), .error_str = ("Thread not joinable."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_THREAD_NOT_JOINABLE" ", " "Thread not joinable.", } , [(AWS_ERROR_THREAD_NO_SUCH_THREAD_ID)-0x0000] = { .literal_name = "AWS_ERROR_THREAD_NO_SUCH_THREAD_ID", .error_code = (AWS_ERROR_THREAD_NO_SUCH_THREAD_ID), .error_str = ("No such thread ID."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_THREAD_NO_SUCH_THREAD_ID" ", " "No such thread ID.", } , [(AWS_ERROR_THREAD_DEADLOCK_DETECTED)-0x0000] = { .literal_name = "AWS_ERROR_THREAD_DEADLOCK_DETECTED", .error_code = (AWS_ERROR_THREAD_DEADLOCK_DETECTED), .error_str = ("Deadlock detected in thread."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_THREAD_DEADLOCK_DETECTED" ", " "Deadlock detected in thread.", } , [(AWS_ERROR_MUTEX_NOT_INIT)-0x0000] = { .literal_name = "AWS_ERROR_MUTEX_NOT_INIT", .error_code = (AWS_ERROR_MUTEX_NOT_INIT), .error_str = ("Mutex not initialized."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_MUTEX_NOT_INIT" ", " "Mutex not initialized.", } , [(AWS_ERROR_MUTEX_TIMEOUT)-0x0000] = { .literal_name = "AWS_ERROR_MUTEX_TIMEOUT", .error_code = (AWS_ERROR_MUTEX_TIMEOUT), .error_str = ("Mutex operation timed out."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_MUTEX_TIMEOUT" ", " "Mutex operation timed out.", } , [(AWS_ERROR_MUTEX_CALLER_NOT_OWNER)-0x0000] = { .literal_name = "AWS_ERROR_MUTEX_CALLER_NOT_OWNER", .error_code = (AWS_ERROR_MUTEX_CALLER_NOT_OWNER), .error_str = ("The caller of a mutex operation was not the owner."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_MUTEX_CALLER_NOT_OWNER" ", " "The caller of a mutex operation was not the owner.", } , [(AWS_ERROR_MUTEX_FAILED)-0x0000] = { .literal_name = "AWS_ERROR_MUTEX_FAILED", .error_code = (AWS_ERROR_MUTEX_FAILED), .error_str = ("Mutex operation failed."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_MUTEX_FAILED" ", " "Mutex operation failed.", } , [(AWS_ERROR_COND_VARIABLE_INIT_FAILED)-0x0000] = { .literal_name = "AWS_ERROR_COND_VARIABLE_INIT_FAILED", .error_code = (AWS_ERROR_COND_VARIABLE_INIT_FAILED), .error_str = ("Condition variable initialization failed."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_COND_VARIABLE_INIT_FAILED" ", " "Condition variable initialization failed.", } , [(AWS_ERROR_COND_VARIABLE_TIMED_OUT)-0x0000] = { .literal_name = "AWS_ERROR_COND_VARIABLE_TIMED_OUT", .error_code = (AWS_ERROR_COND_VARIABLE_TIMED_OUT), .error_str = ("Condition variable wait timed out."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_COND_VARIABLE_TIMED_OUT" ", " "Condition variable wait timed out.", } , [(AWS_ERROR_COND_VARIABLE_ERROR_UNKNOWN)-0x0000] = { .literal_name = "AWS_ERROR_COND_VARIABLE_ERROR_UNKNOWN", .error_code = (AWS_ERROR_COND_VARIABLE_ERROR_UNKNOWN), .error_str = ("Condition variable unknown error."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_COND_VARIABLE_ERROR_UNKNOWN" ", " "Condition variable unknown error.", } , [(AWS_ERROR_CLOCK_FAILURE)-0x0000] = { .literal_name = "AWS_ERROR_CLOCK_FAILURE", .error_code = (AWS_ERROR_CLOCK_FAILURE), .error_str = ("Clock operation failed."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_CLOCK_FAILURE" ", " "Clock operation failed.", } , [(AWS_ERROR_LIST_EMPTY)-0x0000] = { .literal_name = "AWS_ERROR_LIST_EMPTY", .error_code = (AWS_ERROR_LIST_EMPTY), .error_str = ("Empty list."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_LIST_EMPTY" ", " "Empty list.", } , [(AWS_ERROR_DEST_COPY_TOO_SMALL)-0x0000] = { .literal_name = "AWS_ERROR_DEST_COPY_TOO_SMALL", .error_code = (AWS_ERROR_DEST_COPY_TOO_SMALL), .error_str = ("Destination of copy is too small."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_DEST_COPY_TOO_SMALL" ", " "Destination of copy is too small.", } , [(AWS_ERROR_LIST_EXCEEDS_MAX_SIZE)-0x0000] = { .literal_name = "AWS_ERROR_LIST_EXCEEDS_MAX_SIZE", .error_code = (AWS_ERROR_LIST_EXCEEDS_MAX_SIZE), .error_str = ("A requested operation on a list would exceed it's max size."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_LIST_EXCEEDS_MAX_SIZE" ", " "A requested operation on a list would exceed it's max size.", } , [(AWS_ERROR_LIST_STATIC_MODE_CANT_SHRINK)-0x0000] = { .literal_name = "AWS_ERROR_LIST_STATIC_MODE_CANT_SHRINK", .error_code = (AWS_ERROR_LIST_STATIC_MODE_CANT_SHRINK), .error_str = ("Attempt to shrink a list in static mode."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_LIST_STATIC_MODE_CANT_SHRINK" ", " "Attempt to shrink a list in static mode.", } , [(AWS_ERROR_PRIORITY_QUEUE_FULL)-0x0000] = { .literal_name = "AWS_ERROR_PRIORITY_QUEUE_FULL", .error_code = (AWS_ERROR_PRIORITY_QUEUE_FULL), .error_str = ("Attempt to add items to a full preallocated queue in static mode."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_PRIORITY_QUEUE_FULL" ", " "Attempt to add items to a full preallocated queue in static mode.", } , [(AWS_ERROR_PRIORITY_QUEUE_EMPTY)-0x0000] = { .literal_name = "AWS_ERROR_PRIORITY_QUEUE_EMPTY", .error_code = (AWS_ERROR_PRIORITY_QUEUE_EMPTY), .error_str = ("Attempt to pop an item from an empty queue."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_PRIORITY_QUEUE_EMPTY" ", " "Attempt to pop an item from an empty queue.", } , [(AWS_ERROR_PRIORITY_QUEUE_BAD_NODE)-0x0000] = { .literal_name = "AWS_ERROR_PRIORITY_QUEUE_BAD_NODE", .error_code = (AWS_ERROR_PRIORITY_QUEUE_BAD_NODE), .error_str = ("Bad node handle passed to remove."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_PRIORITY_QUEUE_BAD_NODE" ", " "Bad node handle passed to remove.", } , [(AWS_ERROR_HASHTBL_ITEM_NOT_FOUND)-0x0000] = { .literal_name = "AWS_ERROR_HASHTBL_ITEM_NOT_FOUND", .error_code = (AWS_ERROR_HASHTBL_ITEM_NOT_FOUND), .error_str = ("Item not found in hash table."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_HASHTBL_ITEM_NOT_FOUND" ", " "Item not found in hash table.", } , [(AWS_ERROR_INVALID_DATE_STR)-0x0000] = { .literal_name = "AWS_ERROR_INVALID_DATE_STR", .error_code = (AWS_ERROR_INVALID_DATE_STR), .error_str = ("Date string is invalid and cannot be parsed."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_INVALID_DATE_STR" ", " "Date string is invalid and cannot be parsed.", } , [(AWS_ERROR_INVALID_ARGUMENT)-0x0000] = { .literal_name = "AWS_ERROR_INVALID_ARGUMENT", .error_code = (AWS_ERROR_INVALID_ARGUMENT), .error_str = ("An invalid argument was passed to a function."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_INVALID_ARGUMENT" ", " "An invalid argument was passed to a function.", } , [(AWS_ERROR_RANDOM_GEN_FAILED)-0x0000] = { .literal_name = "AWS_ERROR_RANDOM_GEN_FAILED", .error_code = (AWS_ERROR_RANDOM_GEN_FAILED), .error_str = ("A call to the random number generator failed. Retry later."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_RANDOM_GEN_FAILED" ", " "A call to the random number generator failed. Retry later.", } , [(AWS_ERROR_MALFORMED_INPUT_STRING)-0x0000] = { .literal_name = "AWS_ERROR_MALFORMED_INPUT_STRING", .error_code = (AWS_ERROR_MALFORMED_INPUT_STRING), .error_str = ("An input string was passed to a parser and the string was incorrectly formatted."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_MALFORMED_INPUT_STRING" ", " "An input string was passed to a parser and the string was incorrectly formatted.", } , [(AWS_ERROR_UNIMPLEMENTED)-0x0000] = { .literal_name = "AWS_ERROR_UNIMPLEMENTED", .error_code = (AWS_ERROR_UNIMPLEMENTED), .error_str = ("A function was called, but is not implemented."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_UNIMPLEMENTED" ", " "A function was called, but is not implemented.", } , [(AWS_ERROR_INVALID_STATE)-0x0000] = { .literal_name = "AWS_ERROR_INVALID_STATE", .error_code = (AWS_ERROR_INVALID_STATE), .error_str = ("An invalid state was encountered."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_INVALID_STATE" ", " "An invalid state was encountered.", } , [(AWS_ERROR_ENVIRONMENT_GET)-0x0000] = { .literal_name = "AWS_ERROR_ENVIRONMENT_GET", .error_code = (AWS_ERROR_ENVIRONMENT_GET), .error_str = ("System call failure when getting an environment variable."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_ENVIRONMENT_GET" ", " "System call failure when getting an environment variable.", } , [(AWS_ERROR_ENVIRONMENT_SET)-0x0000] = { .literal_name = "AWS_ERROR_ENVIRONMENT_SET", .error_code = (AWS_ERROR_ENVIRONMENT_SET), .error_str = ("System call failure when setting an environment variable."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_ENVIRONMENT_SET" ", " "System call failure when setting an environment variable.", } , [(AWS_ERROR_ENVIRONMENT_UNSET)-0x0000] = { .literal_name = "AWS_ERROR_ENVIRONMENT_UNSET", .error_code = (AWS_ERROR_ENVIRONMENT_UNSET), .error_str = ("System call failure when unsetting an environment variable."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_ENVIRONMENT_UNSET" ", " "System call failure when unsetting an environment variable.", } , [(AWS_ERROR_SYS_CALL_FAILURE)-0x0000] = { .literal_name = "AWS_ERROR_SYS_CALL_FAILURE", .error_code = (AWS_ERROR_SYS_CALL_FAILURE), .error_str = ("System call failure"), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_SYS_CALL_FAILURE" ", " "System call failure", } , [(AWS_ERROR_FILE_INVALID_PATH)-0x0000] = { .literal_name = "AWS_ERROR_FILE_INVALID_PATH", .error_code = (AWS_ERROR_FILE_INVALID_PATH), .error_str = ("Invalid file path."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_FILE_INVALID_PATH" ", " "Invalid file path.", } , [(AWS_ERROR_MAX_FDS_EXCEEDED)-0x0000] = { .literal_name = "AWS_ERROR_MAX_FDS_EXCEEDED", .error_code = (AWS_ERROR_MAX_FDS_EXCEEDED), .error_str = ("The maximum number of fds has been exceeded."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_MAX_FDS_EXCEEDED" ", " "The maximum number of fds has been exceeded.", } , [(AWS_ERROR_NO_PERMISSION)-0x0000] = { .literal_name = "AWS_ERROR_NO_PERMISSION", .error_code = (AWS_ERROR_NO_PERMISSION), .error_str = ("User does not have permission to perform the requested action."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_NO_PERMISSION" ", " "User does not have permission to perform the requested action.", } , [(AWS_ERROR_STREAM_UNSEEKABLE)-0x0000] = { .literal_name = "AWS_ERROR_STREAM_UNSEEKABLE", .error_code = (AWS_ERROR_STREAM_UNSEEKABLE), .error_str = ("Stream does not support seek operations"), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_STREAM_UNSEEKABLE" ", " "Stream does not support seek operations", } , }; [L8912-L8915] static struct aws_error_info_list s_list = { .error_list = errors, .count = (sizeof(errors) / sizeof((errors)[0])), }; [L8917-L8926] static struct aws_log_subject_info s_common_log_subject_infos[] = { { .subject_id = (AWS_LS_COMMON_GENERAL), .subject_name = ("aws-c-common"), .subject_description = ("Subject for aws-c-common logging that doesn't belong to any particular category") } , { .subject_id = (AWS_LS_COMMON_TASK_SCHEDULER), .subject_name = ("task-scheduler"), .subject_description = ("Subject for task scheduler or task specific logging.") } , }; [L8928-L8931] static struct aws_log_subject_info_list s_common_log_subject_list = { .subject_list = s_common_log_subject_infos, .count = (sizeof(s_common_log_subject_infos) / sizeof((s_common_log_subject_infos)[0])), }; [L8933-L8937] static _Bool s_common_library_initialized = 0 ; [L8969] CALL aws_byte_buf_reset_harness() [L8950] struct aws_byte_buf buf = {__VERIFIER_nondet_ulong(), 0, __VERIFIER_nondet_ulong(), 0}; [L8950] struct aws_byte_buf buf = {__VERIFIER_nondet_ulong(), 0, __VERIFIER_nondet_ulong(), 0}; [L8950] struct aws_byte_buf buf = {__VERIFIER_nondet_ulong(), 0, __VERIFIER_nondet_ulong(), 0}; [L8952] CALL, EXPR aws_byte_buf_is_bounded(&buf, 10) [L6588] EXPR buf->capacity [L6588] return (buf->capacity <= max_size); [L8952] RET, EXPR aws_byte_buf_is_bounded(&buf, 10) [L8952] CALL assume_abort_if_not(aws_byte_buf_is_bounded(&buf, 10)) VAL [\old(cond)=1, errors={194:0}, s_can_fail_allocator_static={192:0}, s_common_library_initialized=0, s_common_log_subject_infos={195:0}, s_tolower_table={193:0}, tl_last_error=0] [L211] COND FALSE !(!cond) [L8952] RET assume_abort_if_not(aws_byte_buf_is_bounded(&buf, 10)) VAL [buf={258:0}, errors={194:0}, s_can_fail_allocator_static={192:0}, s_common_library_initialized=0, s_common_log_subject_infos={195:0}, s_tolower_table={193:0}, tl_last_error=0] [L8953] CALL ensure_byte_buf_has_allocated_buffer_member(&buf) [L6598] CALL, EXPR nondet_bool() VAL [errors={194:0}, s_can_fail_allocator_static={192:0}, s_common_library_initialized=0, s_common_log_subject_infos={195:0}, s_tolower_table={193:0}, tl_last_error=0] [L261] return __VERIFIER_nondet_bool(); [L6598] RET, EXPR nondet_bool() VAL [buf={258:0}, errors={194:0}, s_can_fail_allocator_static={192:0}, s_common_library_initialized=0, s_common_log_subject_infos={195:0}, s_tolower_table={193:0}, tl_last_error=0] [L6598-L6600] EXPR (nondet_bool()) ? ((void *)0) : can_fail_allocator() VAL [buf={258:0}, errors={194:0}, s_can_fail_allocator_static={192:0}, s_common_library_initialized=0, s_common_log_subject_infos={195:0}, s_tolower_table={193:0}, tl_last_error=0] [L6598-L6600] buf->allocator = (nondet_bool()) ? ((void *)0) : can_fail_allocator() [L6601] EXPR buf->capacity VAL [buf={258:0}, errors={194:0}, s_can_fail_allocator_static={192:0}, s_common_library_initialized=0, s_common_log_subject_infos={195:0}, s_tolower_table={193:0}, tl_last_error=0] [L6601] CALL, EXPR bounded_malloc(sizeof(*(buf->buffer)) * buf->capacity) VAL [\old(size)=-(((__int128) 1 << 64) | 18446744073709551606U), errors={194:0}, s_can_fail_allocator_static={192:0}, s_common_library_initialized=0, s_common_log_subject_infos={195:0}, s_tolower_table={193:0}, tl_last_error=0] [L6871-L6873] CALL assume_abort_if_not(size <= ( (18446744073709551615UL) >> (8 + 1))) VAL [\old(cond)=1, errors={194:0}, s_can_fail_allocator_static={192:0}, s_common_library_initialized=0, s_common_log_subject_infos={195:0}, s_tolower_table={193:0}, tl_last_error=0] [L211] COND FALSE !(!cond) [L6871-L6873] RET assume_abort_if_not(size <= ( (18446744073709551615UL) >> (8 + 1))) VAL [\old(size)=-(((__int128) 1 << 64) | 18446744073709551606U), errors={194:0}, s_can_fail_allocator_static={192:0}, s_common_library_initialized=0, s_common_log_subject_infos={195:0}, s_tolower_table={193:0}, size=-(((__int128) 1 << 64) | 18446744073709551606U), tl_last_error=0] [L6874] return malloc(size); [L6601] RET, EXPR bounded_malloc(sizeof(*(buf->buffer)) * buf->capacity) VAL [buf={258:0}, errors={194:0}, s_can_fail_allocator_static={192:0}, s_common_library_initialized=0, s_common_log_subject_infos={195:0}, s_tolower_table={193:0}, tl_last_error=0] [L6601] buf->buffer = bounded_malloc(sizeof(*(buf->buffer)) * buf->capacity) [L8953] RET ensure_byte_buf_has_allocated_buffer_member(&buf) [L8954] CALL, EXPR aws_byte_buf_is_valid(&buf) VAL [\old(buf)={258:0}, errors={194:0}, s_can_fail_allocator_static={192:0}, s_common_library_initialized=0, s_common_log_subject_infos={195:0}, s_tolower_table={193:0}, tl_last_error=0] [L7367-L7370] EXPR buf && ((buf->capacity == 0 && buf->len == 0 && buf->buffer == ((void *)0) ) || (buf->capacity > 0 && buf->len <= buf->capacity && ((((buf->len)) == 0) || ((buf->buffer))))) [L7367] EXPR buf->capacity [L7367] EXPR buf->capacity == 0 && buf->len == 0 [L7367-L7368] EXPR buf->capacity == 0 && buf->len == 0 && buf->buffer == ((void *)0) [L7367-L7370] EXPR (buf->capacity == 0 && buf->len == 0 && buf->buffer == ((void *)0) ) || (buf->capacity > 0 && buf->len <= buf->capacity && ((((buf->len)) == 0) || ((buf->buffer)))) [L7370] EXPR buf->capacity [L7370] EXPR buf->capacity > 0 && buf->len <= buf->capacity [L7370] EXPR buf->len [L7370] EXPR buf->capacity [L7370] EXPR buf->capacity > 0 && buf->len <= buf->capacity [L7370] EXPR buf->capacity > 0 && buf->len <= buf->capacity && ((((buf->len)) == 0) || ((buf->buffer))) [L7370] EXPR buf->len [L7370] EXPR (((buf->len)) == 0) || ((buf->buffer)) [L7370] EXPR buf->capacity > 0 && buf->len <= buf->capacity && ((((buf->len)) == 0) || ((buf->buffer))) [L7367-L7370] EXPR (buf->capacity == 0 && buf->len == 0 && buf->buffer == ((void *)0) ) || (buf->capacity > 0 && buf->len <= buf->capacity && ((((buf->len)) == 0) || ((buf->buffer)))) [L7367-L7370] EXPR buf && ((buf->capacity == 0 && buf->len == 0 && buf->buffer == ((void *)0) ) || (buf->capacity > 0 && buf->len <= buf->capacity && ((((buf->len)) == 0) || ((buf->buffer))))) [L7367-L7370] return buf && ((buf->capacity == 0 && buf->len == 0 && buf->buffer == ((void *)0) ) || (buf->capacity > 0 && buf->len <= buf->capacity && ((((buf->len)) == 0) || ((buf->buffer))))); [L8954] RET, EXPR aws_byte_buf_is_valid(&buf) VAL [buf={258:0}, errors={194:0}, s_can_fail_allocator_static={192:0}, s_common_library_initialized=0, s_common_log_subject_infos={195:0}, s_tolower_table={193:0}, tl_last_error=0] [L8954] CALL assume_abort_if_not(aws_byte_buf_is_valid(&buf)) VAL [\old(cond)=1, errors={194:0}, s_can_fail_allocator_static={192:0}, s_common_library_initialized=0, s_common_log_subject_infos={195:0}, s_tolower_table={193:0}, tl_last_error=0] [L211] COND FALSE !(!cond) [L8954] RET assume_abort_if_not(aws_byte_buf_is_valid(&buf)) VAL [buf={258:0}, errors={194:0}, s_can_fail_allocator_static={192:0}, s_common_library_initialized=0, s_common_log_subject_infos={195:0}, s_tolower_table={193:0}, tl_last_error=0] [L8956] struct aws_byte_buf old = buf; [L8958-L8959] _Bool zero_contents; [L8960] CALL aws_byte_buf_reset(&buf, zero_contents) [L7383] COND FALSE !(\read(zero_contents)) VAL [buf={258:0}, errors={194:0}, s_can_fail_allocator_static={192:0}, s_common_library_initialized=0, s_common_log_subject_infos={195:0}, s_tolower_table={193:0}, tl_last_error=0] [L7386] buf->len = 0 [L8960] RET aws_byte_buf_reset(&buf, zero_contents) [L8961] EXPR buf.len VAL [buf={258:0}, errors={194:0}, old={257:0}, s_can_fail_allocator_static={192:0}, s_common_library_initialized=0, s_common_log_subject_infos={195:0}, s_tolower_table={193:0}, tl_last_error=0, zero_contents=0] [L8961] CALL __VERIFIER_assert(!(buf.len == 0)) VAL [\old(cond)=0, errors={194:0}, s_can_fail_allocator_static={192:0}, s_common_library_initialized=0, s_common_log_subject_infos={195:0}, s_tolower_table={193:0}, tl_last_error=0] [L223] COND TRUE !cond VAL [\old(cond)=0, errors={194:0}, s_can_fail_allocator_static={192:0}, s_common_library_initialized=0, s_common_log_subject_infos={195:0}, s_tolower_table={193:0}, tl_last_error=0] [L223] reach_error() VAL [\old(cond)=0, errors={194:0}, s_can_fail_allocator_static={192:0}, s_common_library_initialized=0, s_common_log_subject_infos={195:0}, s_tolower_table={193:0}, tl_last_error=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 12 procedures, 81 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 111.7s, OverallIterations: 1, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=81occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 11.3s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 31 NumberOfCodeBlocks, 31 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-14 05:50:42,426 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818508a0-de32-47b0-a196-2bdb204f46c8/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with 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_818508a0-de32-47b0-a196-2bdb204f46c8/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818508a0-de32-47b0-a196-2bdb204f46c8/bin/utaipan-verify-sOmjnqqW8E/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818508a0-de32-47b0-a196-2bdb204f46c8/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818508a0-de32-47b0-a196-2bdb204f46c8/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_byte_buf_reset_harness_negated.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818508a0-de32-47b0-a196-2bdb204f46c8/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818508a0-de32-47b0-a196-2bdb204f46c8/bin/utaipan-verify-sOmjnqqW8E --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 213a189671075c0c13353e6cef2ff881190dbc59e085aa9fab998a3d426f19f8 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 05:50:45,168 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 05:50:45,245 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818508a0-de32-47b0-a196-2bdb204f46c8/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2024-11-14 05:50:45,250 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 05:50:45,251 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 05:50:45,310 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 05:50:45,311 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 05:50:45,311 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 05:50:45,316 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 05:50:45,316 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 05:50:45,316 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 05:50:45,316 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 05:50:45,316 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 05:50:45,317 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 05:50:45,317 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 05:50:45,317 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 05:50:45,317 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 05:50:45,317 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 05:50:45,318 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 05:50:45,318 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 05:50:45,318 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 05:50:45,318 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 05:50:45,318 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-14 05:50:45,318 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-14 05:50:45,318 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 05:50:45,318 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-14 05:50:45,318 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 05:50:45,318 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 05:50:45,319 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 05:50:45,319 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-14 05:50:45,319 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 05:50:45,319 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 05:50:45,319 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 05:50:45,321 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 05:50:45,322 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 05:50:45,322 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 05:50:45,322 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-14 05:50:45,322 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-14 05:50:45,323 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 05:50:45,323 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 05:50:45,323 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_818508a0-de32-47b0-a196-2bdb204f46c8/bin/utaipan-verify-sOmjnqqW8E 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 -> 213a189671075c0c13353e6cef2ff881190dbc59e085aa9fab998a3d426f19f8 [2024-11-14 05:50:45,670 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 05:50:45,680 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 05:50:45,683 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 05:50:45,684 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 05:50:45,685 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 05:50:45,686 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818508a0-de32-47b0-a196-2bdb204f46c8/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/aws-c-common/aws_byte_buf_reset_harness_negated.i Unable to find full path for "g++" [2024-11-14 05:50:47,766 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 05:50:48,319 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 05:50:48,322 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818508a0-de32-47b0-a196-2bdb204f46c8/sv-benchmarks/c/aws-c-common/aws_byte_buf_reset_harness_negated.i [2024-11-14 05:50:48,371 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818508a0-de32-47b0-a196-2bdb204f46c8/bin/utaipan-verify-sOmjnqqW8E/data/5b63f1c22/f3f46697884a47a89057e2a04d8bae04/FLAGe656dbbfd [2024-11-14 05:50:48,396 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818508a0-de32-47b0-a196-2bdb204f46c8/bin/utaipan-verify-sOmjnqqW8E/data/5b63f1c22/f3f46697884a47a89057e2a04d8bae04 [2024-11-14 05:50:48,398 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 05:50:48,402 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 05:50:48,403 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 05:50:48,404 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 05:50:48,413 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 05:50:48,415 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 05:50:48" (1/1) ... [2024-11-14 05:50:48,417 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c650036 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:50:48, skipping insertion in model container [2024-11-14 05:50:48,417 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 05:50:48" (1/1) ... [2024-11-14 05:50:48,522 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 05:50:48,822 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_818508a0-de32-47b0-a196-2bdb204f46c8/sv-benchmarks/c/aws-c-common/aws_byte_buf_reset_harness_negated.i[4492,4505] [2024-11-14 05:50:48,831 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_818508a0-de32-47b0-a196-2bdb204f46c8/sv-benchmarks/c/aws-c-common/aws_byte_buf_reset_harness_negated.i[4552,4565] [2024-11-14 05:50:49,859 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-14 05:50:50,042 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-14 05:50:50,043 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-14 05:50:50,053 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-14 05:50:50,076 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-14 05:50:50,079 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-14 05:50:50,080 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-14 05:50:50,081 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-14 05:50:50,082 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-14 05:50:50,083 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-14 05:50:50,084 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-14 05:50:50,089 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-14 05:50:50,089 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-14 05:50:50,094 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-14 05:50:50,095 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-14 05:50:50,108 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-14 05:50:50,108 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-14 05:50:50,109 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-14 05:50:50,109 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-14 05:50:50,112 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-14 05:50:50,112 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-14 05:50:50,112 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-14 05:50:50,113 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-14 05:50:50,769 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-14 05:50:50,770 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-14 05:50:50,771 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-14 05:50:50,771 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-14 05:50:51,025 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-14 05:50:51,039 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-14 05:50:51,050 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-14 05:50:51,055 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-14 05:50:51,061 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-14 05:50:51,142 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-14 05:50:51,143 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-14 05:50:51,150 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-14 05:50:51,153 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-14 05:50:51,154 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-14 05:50:51,261 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 05:50:51,349 INFO L197 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2024-11-14 05:50:51,391 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 05:50:51,399 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_818508a0-de32-47b0-a196-2bdb204f46c8/sv-benchmarks/c/aws-c-common/aws_byte_buf_reset_harness_negated.i[4492,4505] [2024-11-14 05:50:51,401 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_818508a0-de32-47b0-a196-2bdb204f46c8/sv-benchmarks/c/aws-c-common/aws_byte_buf_reset_harness_negated.i[4552,4565] [2024-11-14 05:50:51,431 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-14 05:50:51,448 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-14 05:50:51,449 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-14 05:50:51,449 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-14 05:50:51,453 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-14 05:50:51,455 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-14 05:50:51,456 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-14 05:50:51,456 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-14 05:50:51,457 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-14 05:50:51,457 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-14 05:50:51,458 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-14 05:50:51,461 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-14 05:50:51,462 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-14 05:50:51,463 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-14 05:50:51,464 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-14 05:50:51,470 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-14 05:50:51,471 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-14 05:50:51,472 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-14 05:50:51,473 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-14 05:50:51,475 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-14 05:50:51,476 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-14 05:50:51,477 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-14 05:50:51,477 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-14 05:50:51,603 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-14 05:50:51,604 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-14 05:50:51,608 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-14 05:50:51,608 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-14 05:50:51,649 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-14 05:50:51,660 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-14 05:50:51,663 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-14 05:50:51,666 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-14 05:50:51,671 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-14 05:50:51,717 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-14 05:50:51,718 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-14 05:50:51,720 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-14 05:50:51,722 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-14 05:50:51,722 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-14 05:50:51,765 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 05:50:51,797 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 05:50:51,815 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_818508a0-de32-47b0-a196-2bdb204f46c8/sv-benchmarks/c/aws-c-common/aws_byte_buf_reset_harness_negated.i[4492,4505] [2024-11-14 05:50:51,816 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_818508a0-de32-47b0-a196-2bdb204f46c8/sv-benchmarks/c/aws-c-common/aws_byte_buf_reset_harness_negated.i[4552,4565] [2024-11-14 05:50:51,852 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-14 05:50:51,853 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-14 05:50:51,853 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-14 05:50:51,853 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-14 05:50:51,854 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-14 05:50:51,859 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-14 05:50:51,860 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-14 05:50:51,861 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-14 05:50:51,861 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-14 05:50:52,025 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8259] [2024-11-14 05:50:52,027 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-14 05:50:52,027 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-14 05:50:52,046 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8745-8756] [2024-11-14 05:50:52,060 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 05:50:52,434 INFO L204 MainTranslator]: Completed translation [2024-11-14 05:50:52,434 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:50:52 WrapperNode [2024-11-14 05:50:52,435 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 05:50:52,436 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 05:50:52,436 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 05:50:52,436 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 05:50:52,443 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:50:52" (1/1) ... [2024-11-14 05:50:52,539 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:50:52" (1/1) ... [2024-11-14 05:50:52,645 INFO L138 Inliner]: procedures = 700, calls = 2629, calls flagged for inlining = 59, calls inlined = 7, statements flattened = 823 [2024-11-14 05:50:52,645 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 05:50:52,650 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 05:50:52,650 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 05:50:52,650 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 05:50:52,664 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:50:52" (1/1) ... [2024-11-14 05:50:52,665 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:50:52" (1/1) ... [2024-11-14 05:50:52,680 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:50:52" (1/1) ... [2024-11-14 05:50:52,684 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:50:52" (1/1) ... [2024-11-14 05:50:52,753 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:50:52" (1/1) ... [2024-11-14 05:50:52,757 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:50:52" (1/1) ... [2024-11-14 05:50:52,766 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:50:52" (1/1) ... [2024-11-14 05:50:52,771 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:50:52" (1/1) ... [2024-11-14 05:50:52,782 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 05:50:52,783 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 05:50:52,783 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 05:50:52,783 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 05:50:52,784 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:50:52" (1/1) ... [2024-11-14 05:50:52,799 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 05:50:52,820 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818508a0-de32-47b0-a196-2bdb204f46c8/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 05:50:52,835 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818508a0-de32-47b0-a196-2bdb204f46c8/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 05:50:52,845 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818508a0-de32-47b0-a196-2bdb204f46c8/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 05:50:52,870 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2024-11-14 05:50:52,870 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2024-11-14 05:50:52,870 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-14 05:50:52,871 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-14 05:50:52,871 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-14 05:50:52,871 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-14 05:50:52,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2024-11-14 05:50:52,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2024-11-14 05:50:52,872 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-14 05:50:52,872 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-14 05:50:52,873 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_secure_zero [2024-11-14 05:50:52,874 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_secure_zero [2024-11-14 05:50:52,874 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-14 05:50:52,874 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 05:50:52,874 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-14 05:50:52,874 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 05:50:52,874 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 05:50:52,874 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-14 05:50:52,874 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-14 05:50:52,874 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-11-14 05:50:52,874 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2024-11-14 05:50:52,874 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2024-11-14 05:50:52,875 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-14 05:50:52,875 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-14 05:50:52,875 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-14 05:50:52,875 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-14 05:50:52,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2024-11-14 05:50:52,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-11-14 05:50:52,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-14 05:50:52,875 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-14 05:50:52,875 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-14 05:50:52,875 INFO L130 BoogieDeclarations]: Found specification of procedure assert_all_bytes_are [2024-11-14 05:50:52,875 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_all_bytes_are [2024-11-14 05:50:52,875 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-14 05:50:52,875 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-14 05:50:52,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2024-11-14 05:50:52,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2024-11-14 05:50:52,875 INFO L130 BoogieDeclarations]: Found specification of procedure memset_impl [2024-11-14 05:50:52,875 INFO L138 BoogieDeclarations]: Found implementation of procedure memset_impl [2024-11-14 05:50:52,875 INFO L130 BoogieDeclarations]: Found specification of procedure my_memset [2024-11-14 05:50:52,876 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memset [2024-11-14 05:50:53,217 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 05:50:53,220 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 05:51:00,153 INFO L? ?]: Removed 72 outVars from TransFormulas that were not future-live. [2024-11-14 05:51:00,153 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 05:51:00,169 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 05:51:00,170 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-14 05:51:00,171 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:51:00 BoogieIcfgContainer [2024-11-14 05:51:00,171 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 05:51:00,176 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 05:51:00,177 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 05:51:00,187 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 05:51:00,187 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 05:50:48" (1/3) ... [2024-11-14 05:51:00,188 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@308fc502 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 05:51:00, skipping insertion in model container [2024-11-14 05:51:00,188 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:50:52" (2/3) ... [2024-11-14 05:51:00,189 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@308fc502 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 05:51:00, skipping insertion in model container [2024-11-14 05:51:00,189 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:51:00" (3/3) ... [2024-11-14 05:51:00,190 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_reset_harness_negated.i [2024-11-14 05:51:00,212 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 05:51:00,216 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_byte_buf_reset_harness_negated.i that has 12 procedures, 114 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-14 05:51:00,301 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 05:51:00,325 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;@1090cd15, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 05:51:00,325 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 05:51:00,335 INFO L276 IsEmpty]: Start isEmpty. Operand has 114 states, 78 states have (on average 1.2307692307692308) internal successors, (96), 80 states have internal predecessors, (96), 23 states have call successors, (23), 11 states have call predecessors, (23), 11 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-14 05:51:00,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-14 05:51:00,347 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:51:00,348 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-14 05:51:00,348 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:51:00,354 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:51:00,355 INFO L85 PathProgramCache]: Analyzing trace with hash -1539634495, now seen corresponding path program 1 times [2024-11-14 05:51:00,379 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 05:51:00,379 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [584412707] [2024-11-14 05:51:00,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:51:00,380 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 05:51:00,380 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818508a0-de32-47b0-a196-2bdb204f46c8/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 05:51:00,383 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818508a0-de32-47b0-a196-2bdb204f46c8/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-14 05:51:00,387 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818508a0-de32-47b0-a196-2bdb204f46c8/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-14 05:52:38,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:52:38,306 INFO L255 TraceCheckSpWp]: Trace formula consists of 4083 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-14 05:52:38,313 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 05:52:38,340 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-14 05:52:38,340 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 05:52:38,341 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 05:52:38,341 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [584412707] [2024-11-14 05:52:38,341 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [584412707] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:52:38,341 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:52:38,342 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 05:52:38,348 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [133506871] [2024-11-14 05:52:38,349 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:52:38,354 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-14 05:52:38,354 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 05:52:38,375 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-14 05:52:38,375 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-14 05:52:38,378 INFO L87 Difference]: Start difference. First operand has 114 states, 78 states have (on average 1.2307692307692308) internal successors, (96), 80 states have internal predecessors, (96), 23 states have call successors, (23), 11 states have call predecessors, (23), 11 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) Second operand has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (6), 2 states have call predecessors, (6), 1 states have call successors, (6) [2024-11-14 05:52:38,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:52:38,415 INFO L93 Difference]: Finished difference Result 224 states and 296 transitions. [2024-11-14 05:52:38,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 05:52:38,417 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (6), 2 states have call predecessors, (6), 1 states have call successors, (6) Word has length 46 [2024-11-14 05:52:38,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:52:38,426 INFO L225 Difference]: With dead ends: 224 [2024-11-14 05:52:38,426 INFO L226 Difference]: Without dead ends: 105 [2024-11-14 05:52:38,431 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-14 05:52:38,434 INFO L432 NwaCegarLoop]: 139 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 139 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-14 05:52:38,435 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 139 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-14 05:52:38,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2024-11-14 05:52:38,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 105. [2024-11-14 05:52:38,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105 states, 71 states have (on average 1.1830985915492958) internal successors, (84), 73 states have internal predecessors, (84), 23 states have call successors, (23), 11 states have call predecessors, (23), 10 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-14 05:52:38,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 128 transitions. [2024-11-14 05:52:38,486 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 128 transitions. Word has length 46 [2024-11-14 05:52:38,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:52:38,487 INFO L471 AbstractCegarLoop]: Abstraction has 105 states and 128 transitions. [2024-11-14 05:52:38,487 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (6), 2 states have call predecessors, (6), 1 states have call successors, (6) [2024-11-14 05:52:38,487 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 128 transitions. [2024-11-14 05:52:38,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-14 05:52:38,489 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:52:38,490 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-14 05:52:38,611 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818508a0-de32-47b0-a196-2bdb204f46c8/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-14 05:52:38,690 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818508a0-de32-47b0-a196-2bdb204f46c8/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 05:52:38,691 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:52:38,691 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:52:38,691 INFO L85 PathProgramCache]: Analyzing trace with hash 1508304839, now seen corresponding path program 1 times [2024-11-14 05:52:38,697 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 05:52:38,697 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1441090830] [2024-11-14 05:52:38,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:52:38,697 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 05:52:38,697 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818508a0-de32-47b0-a196-2bdb204f46c8/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 05:52:38,700 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818508a0-de32-47b0-a196-2bdb204f46c8/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-14 05:52:38,704 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818508a0-de32-47b0-a196-2bdb204f46c8/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-14 05:54:14,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:54:14,303 INFO L255 TraceCheckSpWp]: Trace formula consists of 4083 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-14 05:54:14,310 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 05:54:14,730 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-14 05:54:14,730 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 05:54:14,730 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 05:54:14,730 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1441090830] [2024-11-14 05:54:14,731 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1441090830] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:54:14,731 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:54:14,731 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-14 05:54:14,731 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1724230536] [2024-11-14 05:54:14,731 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:54:14,732 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-14 05:54:14,732 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 05:54:14,733 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-14 05:54:14,733 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-14 05:54:14,734 INFO L87 Difference]: Start difference. First operand 105 states and 128 transitions. Second operand has 5 states, 5 states have (on average 6.0) internal successors, (30), 5 states have internal predecessors, (30), 3 states have call successors, (7), 2 states have call predecessors, (7), 3 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-14 05:54:15,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:54:15,046 INFO L93 Difference]: Finished difference Result 188 states and 232 transitions. [2024-11-14 05:54:15,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-14 05:54:15,050 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.0) internal successors, (30), 5 states have internal predecessors, (30), 3 states have call successors, (7), 2 states have call predecessors, (7), 3 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 46 [2024-11-14 05:54:15,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:54:15,053 INFO L225 Difference]: With dead ends: 188 [2024-11-14 05:54:15,053 INFO L226 Difference]: Without dead ends: 108 [2024-11-14 05:54:15,054 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-14 05:54:15,055 INFO L432 NwaCegarLoop]: 117 mSDtfsCounter, 12 mSDsluCounter, 205 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 322 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-14 05:54:15,055 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 322 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-14 05:54:15,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2024-11-14 05:54:15,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 108. [2024-11-14 05:54:15,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108 states, 73 states have (on average 1.178082191780822) internal successors, (86), 76 states have internal predecessors, (86), 23 states have call successors, (23), 11 states have call predecessors, (23), 11 states have return successors, (23), 21 states have call predecessors, (23), 21 states have call successors, (23) [2024-11-14 05:54:15,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 132 transitions. [2024-11-14 05:54:15,072 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 132 transitions. Word has length 46 [2024-11-14 05:54:15,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:54:15,072 INFO L471 AbstractCegarLoop]: Abstraction has 108 states and 132 transitions. [2024-11-14 05:54:15,072 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.0) internal successors, (30), 5 states have internal predecessors, (30), 3 states have call successors, (7), 2 states have call predecessors, (7), 3 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-14 05:54:15,073 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 132 transitions. [2024-11-14 05:54:15,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-14 05:54:15,074 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:54:15,074 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 05:54:15,144 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818508a0-de32-47b0-a196-2bdb204f46c8/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-11-14 05:54:15,275 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818508a0-de32-47b0-a196-2bdb204f46c8/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 05:54:15,275 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:54:15,276 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:54:15,276 INFO L85 PathProgramCache]: Analyzing trace with hash 1951340956, now seen corresponding path program 1 times [2024-11-14 05:54:15,279 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 05:54:15,280 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1529272685] [2024-11-14 05:54:15,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:54:15,280 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 05:54:15,280 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818508a0-de32-47b0-a196-2bdb204f46c8/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 05:54:15,284 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818508a0-de32-47b0-a196-2bdb204f46c8/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-14 05:54:15,285 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818508a0-de32-47b0-a196-2bdb204f46c8/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-11-14 05:55:44,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:55:44,655 INFO L255 TraceCheckSpWp]: Trace formula consists of 4096 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-14 05:55:44,664 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 05:55:45,350 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-14 05:55:47,005 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-14 05:55:47,005 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 05:55:47,005 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 05:55:47,005 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1529272685] [2024-11-14 05:55:47,006 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1529272685] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:55:47,006 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:55:47,006 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-14 05:55:47,006 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [914182279] [2024-11-14 05:55:47,006 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:55:47,007 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-14 05:55:47,007 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 05:55:47,009 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-14 05:55:47,013 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2024-11-14 05:55:47,014 INFO L87 Difference]: Start difference. First operand 108 states and 132 transitions. Second operand has 12 states, 12 states have (on average 3.0) internal successors, (36), 10 states have internal predecessors, (36), 5 states have call successors, (7), 3 states have call predecessors, (7), 4 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) [2024-11-14 05:55:49,430 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.41s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 05:55:51,572 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 05:55:53,589 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 05:55:55,592 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 05:55:57,813 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.22s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 05:56:00,216 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 05:56:02,702 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 05:56:08,149 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 05:56:12,204 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 05:56:15,038 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 05:56:17,828 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 05:56:17,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:56:17,830 INFO L93 Difference]: Finished difference Result 237 states and 288 transitions. [2024-11-14 05:56:17,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-14 05:56:17,836 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 3.0) internal successors, (36), 10 states have internal predecessors, (36), 5 states have call successors, (7), 3 states have call predecessors, (7), 4 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) Word has length 52 [2024-11-14 05:56:17,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:56:17,838 INFO L225 Difference]: With dead ends: 237 [2024-11-14 05:56:17,839 INFO L226 Difference]: Without dead ends: 154 [2024-11-14 05:56:17,840 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=51, Invalid=159, Unknown=0, NotChecked=0, Total=210 [2024-11-14 05:56:17,841 INFO L432 NwaCegarLoop]: 107 mSDtfsCounter, 91 mSDsluCounter, 434 mSDsCounter, 0 mSdLazyCounter, 224 mSolverCounterSat, 9 mSolverCounterUnsat, 11 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 29.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 100 SdHoareTripleChecker+Valid, 541 SdHoareTripleChecker+Invalid, 244 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 224 IncrementalHoareTripleChecker+Invalid, 11 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 29.9s IncrementalHoareTripleChecker+Time [2024-11-14 05:56:17,841 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [100 Valid, 541 Invalid, 244 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 224 Invalid, 11 Unknown, 0 Unchecked, 29.9s Time] [2024-11-14 05:56:17,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2024-11-14 05:56:17,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 130. [2024-11-14 05:56:17,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 130 states, 93 states have (on average 1.2150537634408602) internal successors, (113), 96 states have internal predecessors, (113), 23 states have call successors, (23), 13 states have call predecessors, (23), 13 states have return successors, (22), 21 states have call predecessors, (22), 21 states have call successors, (22) [2024-11-14 05:56:17,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 158 transitions. [2024-11-14 05:56:17,862 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 158 transitions. Word has length 52 [2024-11-14 05:56:17,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:56:17,862 INFO L471 AbstractCegarLoop]: Abstraction has 130 states and 158 transitions. [2024-11-14 05:56:17,863 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 3.0) internal successors, (36), 10 states have internal predecessors, (36), 5 states have call successors, (7), 3 states have call predecessors, (7), 4 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) [2024-11-14 05:56:17,863 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 158 transitions. [2024-11-14 05:56:17,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-14 05:56:17,864 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:56:17,865 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 05:56:17,940 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818508a0-de32-47b0-a196-2bdb204f46c8/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2024-11-14 05:56:18,065 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818508a0-de32-47b0-a196-2bdb204f46c8/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 05:56:18,065 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:56:18,066 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:56:18,066 INFO L85 PathProgramCache]: Analyzing trace with hash -1355057580, now seen corresponding path program 1 times [2024-11-14 05:56:18,068 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 05:56:18,069 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1339483567] [2024-11-14 05:56:18,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:56:18,069 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 05:56:18,069 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818508a0-de32-47b0-a196-2bdb204f46c8/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 05:56:18,071 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818508a0-de32-47b0-a196-2bdb204f46c8/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-14 05:56:18,073 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818508a0-de32-47b0-a196-2bdb204f46c8/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2024-11-14 05:57:44,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:57:44,908 INFO L255 TraceCheckSpWp]: Trace formula consists of 4105 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-14 05:57:44,913 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 05:57:45,906 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-14 05:57:45,906 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 05:57:45,906 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 05:57:45,906 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1339483567] [2024-11-14 05:57:45,906 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1339483567] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:57:45,906 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:57:45,906 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-14 05:57:45,906 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [959719148] [2024-11-14 05:57:45,906 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:57:45,907 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-14 05:57:45,907 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 05:57:45,908 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-14 05:57:45,908 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-14 05:57:45,908 INFO L87 Difference]: Start difference. First operand 130 states and 158 transitions. Second operand has 5 states, 5 states have (on average 8.0) internal successors, (40), 5 states have internal predecessors, (40), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-14 05:57:48,245 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.34s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 05:57:50,498 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.25s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 05:57:52,577 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 05:57:55,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:57:55,682 INFO L93 Difference]: Finished difference Result 267 states and 334 transitions. [2024-11-14 05:57:55,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-14 05:57:55,683 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 5 states have internal predecessors, (40), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 56 [2024-11-14 05:57:55,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:57:55,685 INFO L225 Difference]: With dead ends: 267 [2024-11-14 05:57:55,686 INFO L226 Difference]: Without dead ends: 162 [2024-11-14 05:57:55,687 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-14 05:57:55,687 INFO L432 NwaCegarLoop]: 124 mSDtfsCounter, 15 mSDsluCounter, 310 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 434 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.5s IncrementalHoareTripleChecker+Time [2024-11-14 05:57:55,688 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 434 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 89 Invalid, 3 Unknown, 0 Unchecked, 9.5s Time] [2024-11-14 05:57:55,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162 states. [2024-11-14 05:57:55,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 140. [2024-11-14 05:57:55,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 140 states, 103 states have (on average 1.233009708737864) internal successors, (127), 106 states have internal predecessors, (127), 23 states have call successors, (23), 13 states have call predecessors, (23), 13 states have return successors, (22), 21 states have call predecessors, (22), 21 states have call successors, (22) [2024-11-14 05:57:55,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 172 transitions. [2024-11-14 05:57:55,708 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 172 transitions. Word has length 56 [2024-11-14 05:57:55,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:57:55,709 INFO L471 AbstractCegarLoop]: Abstraction has 140 states and 172 transitions. [2024-11-14 05:57:55,709 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 5 states have internal predecessors, (40), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-14 05:57:55,709 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 172 transitions. [2024-11-14 05:57:55,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-14 05:57:55,711 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:57:55,711 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 05:57:55,801 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818508a0-de32-47b0-a196-2bdb204f46c8/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0 [2024-11-14 05:57:55,911 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818508a0-de32-47b0-a196-2bdb204f46c8/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 05:57:55,911 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:57:55,912 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:57:55,912 INFO L85 PathProgramCache]: Analyzing trace with hash -932355754, now seen corresponding path program 1 times [2024-11-14 05:57:55,914 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 05:57:55,915 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [750688593] [2024-11-14 05:57:55,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:57:55,915 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 05:57:55,915 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818508a0-de32-47b0-a196-2bdb204f46c8/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 05:57:55,917 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818508a0-de32-47b0-a196-2bdb204f46c8/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-14 05:57:55,918 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818508a0-de32-47b0-a196-2bdb204f46c8/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2024-11-14 05:59:25,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:59:25,532 INFO L255 TraceCheckSpWp]: Trace formula consists of 4102 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-14 05:59:25,538 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 05:59:30,490 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-14 05:59:30,490 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 05:59:30,490 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 05:59:30,490 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [750688593] [2024-11-14 05:59:30,490 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [750688593] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:59:30,490 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:59:30,490 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-14 05:59:30,491 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [758312033] [2024-11-14 05:59:30,491 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:59:30,491 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-14 05:59:30,491 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 05:59:30,492 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-14 05:59:30,492 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2024-11-14 05:59:30,493 INFO L87 Difference]: Start difference. First operand 140 states and 172 transitions. Second operand has 12 states, 11 states have (on average 3.6363636363636362) internal successors, (40), 11 states have internal predecessors, (40), 3 states have call successors, (7), 2 states have call predecessors, (7), 3 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-14 05:59:32,777 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.28s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 05:59:35,011 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.23s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 05:59:37,428 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.41s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 05:59:39,712 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.28s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 05:59:41,911 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.20s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 05:59:44,157 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.24s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 05:59:46,372 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.21s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 06:00:02,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 06:00:02,961 INFO L93 Difference]: Finished difference Result 278 states and 346 transitions. [2024-11-14 06:00:02,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-14 06:00:02,963 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 3.6363636363636362) internal successors, (40), 11 states have internal predecessors, (40), 3 states have call successors, (7), 2 states have call predecessors, (7), 3 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) Word has length 56 [2024-11-14 06:00:02,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 06:00:02,965 INFO L225 Difference]: With dead ends: 278 [2024-11-14 06:00:02,965 INFO L226 Difference]: Without dead ends: 162 [2024-11-14 06:00:02,966 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 6.2s TimeCoverageRelationStatistics Valid=41, Invalid=231, Unknown=0, NotChecked=0, Total=272 [2024-11-14 06:00:02,967 INFO L432 NwaCegarLoop]: 120 mSDtfsCounter, 11 mSDsluCounter, 1011 mSDsCounter, 0 mSdLazyCounter, 365 mSolverCounterSat, 1 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 27.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 1131 SdHoareTripleChecker+Invalid, 373 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 365 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 29.8s IncrementalHoareTripleChecker+Time [2024-11-14 06:00:02,967 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 1131 Invalid, 373 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 365 Invalid, 7 Unknown, 0 Unchecked, 29.8s Time] [2024-11-14 06:00:02,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162 states. [2024-11-14 06:00:02,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 145. [2024-11-14 06:00:02,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 145 states, 108 states have (on average 1.2222222222222223) internal successors, (132), 111 states have internal predecessors, (132), 23 states have call successors, (23), 13 states have call predecessors, (23), 13 states have return successors, (22), 21 states have call predecessors, (22), 21 states have call successors, (22) [2024-11-14 06:00:02,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 177 transitions. [2024-11-14 06:00:02,986 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 177 transitions. Word has length 56 [2024-11-14 06:00:02,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 06:00:02,987 INFO L471 AbstractCegarLoop]: Abstraction has 145 states and 177 transitions. [2024-11-14 06:00:02,987 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 3.6363636363636362) internal successors, (40), 11 states have internal predecessors, (40), 3 states have call successors, (7), 2 states have call predecessors, (7), 3 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-14 06:00:02,987 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 177 transitions. [2024-11-14 06:00:02,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-14 06:00:02,989 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 06:00:02,989 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 06:00:03,058 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818508a0-de32-47b0-a196-2bdb204f46c8/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Ended with exit code 0 [2024-11-14 06:00:03,189 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818508a0-de32-47b0-a196-2bdb204f46c8/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 06:00:03,190 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 06:00:03,190 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 06:00:03,190 INFO L85 PathProgramCache]: Analyzing trace with hash -1293017966, now seen corresponding path program 1 times [2024-11-14 06:00:03,192 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 06:00:03,192 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [584474172] [2024-11-14 06:00:03,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 06:00:03,193 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 06:00:03,193 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818508a0-de32-47b0-a196-2bdb204f46c8/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 06:00:03,194 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818508a0-de32-47b0-a196-2bdb204f46c8/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-14 06:00:03,195 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818508a0-de32-47b0-a196-2bdb204f46c8/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2024-11-14 06:01:25,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 06:01:25,889 INFO L255 TraceCheckSpWp]: Trace formula consists of 4103 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-14 06:01:25,892 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 06:01:26,277 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-14 06:01:26,277 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 06:01:26,277 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 06:01:26,277 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [584474172] [2024-11-14 06:01:26,277 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [584474172] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 06:01:26,277 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 06:01:26,277 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-14 06:01:26,277 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [179253958] [2024-11-14 06:01:26,277 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 06:01:26,278 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 06:01:26,278 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 06:01:26,279 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 06:01:26,279 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-14 06:01:26,279 INFO L87 Difference]: Start difference. First operand 145 states and 177 transitions. Second operand has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-14 06:01:26,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 06:01:26,709 INFO L93 Difference]: Finished difference Result 267 states and 332 transitions. [2024-11-14 06:01:26,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 06:01:26,710 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 56 [2024-11-14 06:01:26,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 06:01:26,712 INFO L225 Difference]: With dead ends: 267 [2024-11-14 06:01:26,712 INFO L226 Difference]: Without dead ends: 147 [2024-11-14 06:01:26,713 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-14 06:01:26,714 INFO L432 NwaCegarLoop]: 128 mSDtfsCounter, 0 mSDsluCounter, 246 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 374 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-14 06:01:26,714 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 374 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-14 06:01:26,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2024-11-14 06:01:26,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 145. [2024-11-14 06:01:26,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 145 states, 108 states have (on average 1.2037037037037037) internal successors, (130), 111 states have internal predecessors, (130), 23 states have call successors, (23), 13 states have call predecessors, (23), 13 states have return successors, (22), 21 states have call predecessors, (22), 21 states have call successors, (22) [2024-11-14 06:01:26,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 175 transitions. [2024-11-14 06:01:26,751 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 175 transitions. Word has length 56 [2024-11-14 06:01:26,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 06:01:26,751 INFO L471 AbstractCegarLoop]: Abstraction has 145 states and 175 transitions. [2024-11-14 06:01:26,751 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-14 06:01:26,751 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 175 transitions. [2024-11-14 06:01:26,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-14 06:01:26,752 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 06:01:26,753 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 06:01:26,844 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818508a0-de32-47b0-a196-2bdb204f46c8/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Ended with exit code 0 [2024-11-14 06:01:26,953 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818508a0-de32-47b0-a196-2bdb204f46c8/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 06:01:26,953 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 06:01:26,954 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 06:01:26,954 INFO L85 PathProgramCache]: Analyzing trace with hash -1427031472, now seen corresponding path program 1 times [2024-11-14 06:01:26,957 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 06:01:26,957 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1770842551] [2024-11-14 06:01:26,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 06:01:26,958 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 06:01:26,958 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818508a0-de32-47b0-a196-2bdb204f46c8/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 06:01:26,960 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818508a0-de32-47b0-a196-2bdb204f46c8/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-14 06:01:26,964 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818508a0-de32-47b0-a196-2bdb204f46c8/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2024-11-14 06:02:51,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 06:02:51,290 INFO L255 TraceCheckSpWp]: Trace formula consists of 4100 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-14 06:02:51,292 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 06:02:54,057 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-14 06:02:54,057 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 06:02:54,057 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 06:02:54,057 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1770842551] [2024-11-14 06:02:54,057 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1770842551] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 06:02:54,057 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 06:02:54,058 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-14 06:02:54,058 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1127746655] [2024-11-14 06:02:54,058 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 06:02:54,058 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-14 06:02:54,058 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 06:02:54,059 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-14 06:02:54,059 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-14 06:02:54,060 INFO L87 Difference]: Start difference. First operand 145 states and 175 transitions. Second operand has 9 states, 8 states have (on average 5.0) internal successors, (40), 8 states have internal predecessors, (40), 3 states have call successors, (7), 2 states have call predecessors, (7), 3 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-14 06:02:57,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 06:02:57,505 INFO L93 Difference]: Finished difference Result 279 states and 336 transitions. [2024-11-14 06:02:57,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-14 06:02:57,506 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 5.0) internal successors, (40), 8 states have internal predecessors, (40), 3 states have call successors, (7), 2 states have call predecessors, (7), 3 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) Word has length 56 [2024-11-14 06:02:57,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 06:02:57,508 INFO L225 Difference]: With dead ends: 279 [2024-11-14 06:02:57,509 INFO L226 Difference]: Without dead ends: 159 [2024-11-14 06:02:57,509 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-14 06:02:57,510 INFO L432 NwaCegarLoop]: 119 mSDtfsCounter, 0 mSDsluCounter, 804 mSDsCounter, 0 mSdLazyCounter, 103 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 923 SdHoareTripleChecker+Invalid, 104 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2024-11-14 06:02:57,511 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 923 Invalid, 104 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2024-11-14 06:02:57,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2024-11-14 06:02:57,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 145. [2024-11-14 06:02:57,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 145 states, 108 states have (on average 1.2037037037037037) internal successors, (130), 111 states have internal predecessors, (130), 23 states have call successors, (23), 13 states have call predecessors, (23), 13 states have return successors, (22), 21 states have call predecessors, (22), 21 states have call successors, (22) [2024-11-14 06:02:57,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 175 transitions. [2024-11-14 06:02:57,534 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 175 transitions. Word has length 56 [2024-11-14 06:02:57,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 06:02:57,535 INFO L471 AbstractCegarLoop]: Abstraction has 145 states and 175 transitions. [2024-11-14 06:02:57,535 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 5.0) internal successors, (40), 8 states have internal predecessors, (40), 3 states have call successors, (7), 2 states have call predecessors, (7), 3 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-14 06:02:57,535 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 175 transitions. [2024-11-14 06:02:57,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-11-14 06:02:57,536 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 06:02:57,540 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 06:02:57,616 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818508a0-de32-47b0-a196-2bdb204f46c8/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Ended with exit code 0 [2024-11-14 06:02:57,741 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818508a0-de32-47b0-a196-2bdb204f46c8/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 06:02:57,741 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 06:02:57,741 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 06:02:57,741 INFO L85 PathProgramCache]: Analyzing trace with hash 1886194027, now seen corresponding path program 1 times [2024-11-14 06:02:57,744 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 06:02:57,744 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [911194041] [2024-11-14 06:02:57,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 06:02:57,744 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 06:02:57,744 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818508a0-de32-47b0-a196-2bdb204f46c8/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 06:02:57,746 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818508a0-de32-47b0-a196-2bdb204f46c8/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-14 06:02:57,748 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818508a0-de32-47b0-a196-2bdb204f46c8/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process