./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_array_list_swap_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c546197-4cbe-45ed-929c-12989657a841/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c546197-4cbe-45ed-929c-12989657a841/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c546197-4cbe-45ed-929c-12989657a841/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c546197-4cbe-45ed-929c-12989657a841/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_array_list_swap_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c546197-4cbe-45ed-929c-12989657a841/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c546197-4cbe-45ed-929c-12989657a841/bin/uautomizer-verify-84ZbGMXZE1 --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 Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 6f838ff631dd7d907eee223e4bc065b6ce71a3dd1969d0a88cef9ccdcf3b54d1 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 15:02:05,083 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 15:02:05,137 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c546197-4cbe-45ed-929c-12989657a841/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-12-02 15:02:05,141 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 15:02:05,142 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 15:02:05,162 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 15:02:05,162 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 15:02:05,162 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 15:02:05,163 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 15:02:05,163 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 15:02:05,163 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 15:02:05,163 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 15:02:05,163 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 15:02:05,163 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 15:02:05,163 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 15:02:05,164 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 15:02:05,164 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 15:02:05,164 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 15:02:05,164 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 15:02:05,164 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 15:02:05,164 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 15:02:05,164 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 15:02:05,164 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 15:02:05,164 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 15:02:05,164 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 15:02:05,164 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 15:02:05,165 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 15:02:05,165 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 15:02:05,165 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 15:02:05,165 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 15:02:05,165 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 15:02:05,165 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 15:02:05,165 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 15:02:05,165 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 15:02:05,165 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 15:02:05,165 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 15:02:05,165 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 15:02:05,165 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 15:02:05,166 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 15:02:05,166 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 15:02:05,166 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 15:02:05,166 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 15:02:05,166 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 15:02:05,166 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 15:02:05,166 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 15:02:05,166 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_3c546197-4cbe-45ed-929c-12989657a841/bin/uautomizer-verify-84ZbGMXZE1 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 -> Automizer 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 -> 6f838ff631dd7d907eee223e4bc065b6ce71a3dd1969d0a88cef9ccdcf3b54d1 [2024-12-02 15:02:05,398 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 15:02:05,407 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 15:02:05,409 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 15:02:05,410 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 15:02:05,410 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 15:02:05,411 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c546197-4cbe-45ed-929c-12989657a841/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/aws-c-common/aws_array_list_swap_harness.i [2024-12-02 15:02:08,004 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c546197-4cbe-45ed-929c-12989657a841/bin/uautomizer-verify-84ZbGMXZE1/data/91d595940/cdaa6d621e994ef2b46c251a6c2c9d89/FLAG6189434aa [2024-12-02 15:02:08,371 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 15:02:08,372 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c546197-4cbe-45ed-929c-12989657a841/sv-benchmarks/c/aws-c-common/aws_array_list_swap_harness.i [2024-12-02 15:02:08,394 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c546197-4cbe-45ed-929c-12989657a841/bin/uautomizer-verify-84ZbGMXZE1/data/91d595940/cdaa6d621e994ef2b46c251a6c2c9d89/FLAG6189434aa [2024-12-02 15:02:08,409 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c546197-4cbe-45ed-929c-12989657a841/bin/uautomizer-verify-84ZbGMXZE1/data/91d595940/cdaa6d621e994ef2b46c251a6c2c9d89 [2024-12-02 15:02:08,411 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 15:02:08,412 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 15:02:08,413 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 15:02:08,414 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 15:02:08,417 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 15:02:08,418 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:02:08" (1/1) ... [2024-12-02 15:02:08,419 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a15cfa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:02:08, skipping insertion in model container [2024-12-02 15:02:08,419 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:02:08" (1/1) ... [2024-12-02 15:02:08,481 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 15:02:08,664 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_3c546197-4cbe-45ed-929c-12989657a841/sv-benchmarks/c/aws-c-common/aws_array_list_swap_harness.i[4493,4506] [2024-12-02 15:02:08,669 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_3c546197-4cbe-45ed-929c-12989657a841/sv-benchmarks/c/aws-c-common/aws_array_list_swap_harness.i[4553,4566] [2024-12-02 15:02:09,415 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 15:02:09,416 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 15:02:09,416 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 15:02:09,417 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 15:02:09,418 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 15:02:09,432 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 15:02:09,432 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 15:02:09,434 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 15:02:09,434 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 15:02:09,436 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 15:02:09,437 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 15:02:09,437 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 15:02:09,438 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 15:02:09,907 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 15:02:09,908 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 15:02:09,913 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 15:02:09,919 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 15:02:09,972 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 15:02:09,998 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 15:02:10,009 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_3c546197-4cbe-45ed-929c-12989657a841/sv-benchmarks/c/aws-c-common/aws_array_list_swap_harness.i[4493,4506] [2024-12-02 15:02:10,009 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_3c546197-4cbe-45ed-929c-12989657a841/sv-benchmarks/c/aws-c-common/aws_array_list_swap_harness.i[4553,4566] [2024-12-02 15:02:10,072 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 15:02:10,073 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 15:02:10,073 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 15:02:10,073 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 15:02:10,073 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 15:02:10,079 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 15:02:10,080 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 15:02:10,080 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 15:02:10,081 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 15:02:10,082 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 15:02:10,082 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 15:02:10,082 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 15:02:10,083 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 15:02:10,137 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 15:02:10,137 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 15:02:10,138 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 15:02:10,143 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 15:02:10,149 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7775-7786] [2024-12-02 15:02:10,161 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 15:02:10,357 INFO L204 MainTranslator]: Completed translation [2024-12-02 15:02:10,357 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:02:10 WrapperNode [2024-12-02 15:02:10,357 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 15:02:10,358 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 15:02:10,358 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 15:02:10,358 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 15:02:10,363 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:02:10" (1/1) ... [2024-12-02 15:02:10,412 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:02:10" (1/1) ... [2024-12-02 15:02:10,456 INFO L138 Inliner]: procedures = 680, calls = 1677, calls flagged for inlining = 52, calls inlined = 8, statements flattened = 653 [2024-12-02 15:02:10,456 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 15:02:10,457 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 15:02:10,457 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 15:02:10,457 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 15:02:10,468 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:02:10" (1/1) ... [2024-12-02 15:02:10,468 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:02:10" (1/1) ... [2024-12-02 15:02:10,475 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:02:10" (1/1) ... [2024-12-02 15:02:10,527 INFO L175 MemorySlicer]: Split 302 memory accesses to 7 slices as follows [238, 2, 9, 6, 3, 39, 5]. 79 percent of accesses are in the largest equivalence class. The 26 initializations are split as follows [6, 2, 5, 5, 1, 5, 2]. The 238 writes are split as follows [232, 0, 0, 1, 1, 3, 1]. [2024-12-02 15:02:10,527 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:02:10" (1/1) ... [2024-12-02 15:02:10,527 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:02:10" (1/1) ... [2024-12-02 15:02:10,572 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:02:10" (1/1) ... [2024-12-02 15:02:10,575 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:02:10" (1/1) ... [2024-12-02 15:02:10,578 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:02:10" (1/1) ... [2024-12-02 15:02:10,586 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:02:10" (1/1) ... [2024-12-02 15:02:10,590 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:02:10" (1/1) ... [2024-12-02 15:02:10,600 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 15:02:10,601 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 15:02:10,601 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 15:02:10,601 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 15:02:10,602 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:02:10" (1/1) ... [2024-12-02 15:02:10,607 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 15:02:10,616 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c546197-4cbe-45ed-929c-12989657a841/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 15:02:10,626 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c546197-4cbe-45ed-929c-12989657a841/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 15:02:10,629 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c546197-4cbe-45ed-929c-12989657a841/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 15:02:10,648 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-02 15:02:10,648 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2024-12-02 15:02:10,648 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2024-12-02 15:02:10,648 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2024-12-02 15:02:10,648 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2024-12-02 15:02:10,648 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-12-02 15:02:10,648 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-12-02 15:02:10,648 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-12-02 15:02:10,648 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-12-02 15:02:10,648 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-12-02 15:02:10,648 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-12-02 15:02:10,649 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-12-02 15:02:10,649 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-12-02 15:02:10,649 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-12-02 15:02:10,649 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-12-02 15:02:10,649 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-12-02 15:02:10,649 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-12-02 15:02:10,649 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-12-02 15:02:10,649 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-12-02 15:02:10,649 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-12-02 15:02:10,649 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-12-02 15:02:10,649 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-12-02 15:02:10,649 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-12-02 15:02:10,649 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-02 15:02:10,649 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-02 15:02:10,649 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-02 15:02:10,649 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 15:02:10,649 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-12-02 15:02:10,649 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-12-02 15:02:10,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-12-02 15:02:10,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-12-02 15:02:10,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-12-02 15:02:10,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-12-02 15:02:10,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-12-02 15:02:10,650 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2024-12-02 15:02:10,650 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2024-12-02 15:02:10,650 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 15:02:10,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 15:02:10,650 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-12-02 15:02:10,650 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-12-02 15:02:10,650 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2024-12-02 15:02:10,650 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2024-12-02 15:02:10,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-12-02 15:02:10,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-12-02 15:02:10,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-12-02 15:02:10,651 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-12-02 15:02:10,651 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-12-02 15:02:10,651 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-12-02 15:02:10,651 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-12-02 15:02:10,651 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_length [2024-12-02 15:02:10,651 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_length [2024-12-02 15:02:10,651 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 15:02:10,651 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 15:02:10,651 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2024-12-02 15:02:10,651 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2024-12-02 15:02:10,651 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-02 15:02:10,651 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-12-02 15:02:10,651 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-12-02 15:02:10,651 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-12-02 15:02:10,651 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-12-02 15:02:10,651 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-12-02 15:02:10,651 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-12-02 15:02:10,652 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-12-02 15:02:10,652 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-12-02 15:02:10,652 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-12-02 15:02:10,652 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-12-02 15:02:10,652 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-12-02 15:02:10,652 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-12-02 15:02:10,652 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-12-02 15:02:10,652 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-12-02 15:02:10,652 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_get_at_ptr [2024-12-02 15:02:10,652 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_get_at_ptr [2024-12-02 15:02:10,652 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-12-02 15:02:10,652 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-12-02 15:02:10,652 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2024-12-02 15:02:10,652 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2024-12-02 15:02:10,652 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-12-02 15:02:10,652 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-12-02 15:02:10,652 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-12-02 15:02:10,652 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-12-02 15:02:10,652 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-12-02 15:02:10,653 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-12-02 15:02:10,653 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-12-02 15:02:10,653 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2024-12-02 15:02:10,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2024-12-02 15:02:10,653 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 15:02:10,653 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-12-02 15:02:10,653 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-12-02 15:02:10,653 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-12-02 15:02:10,653 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-12-02 15:02:10,653 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-12-02 15:02:10,653 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-12-02 15:02:10,912 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 15:02:10,913 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 15:02:16,933 INFO L? ?]: Removed 108 outVars from TransFormulas that were not future-live. [2024-12-02 15:02:16,933 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 15:02:16,946 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 15:02:16,946 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-02 15:02:16,947 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:02:16 BoogieIcfgContainer [2024-12-02 15:02:16,947 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 15:02:16,949 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 15:02:16,949 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 15:02:16,954 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 15:02:16,954 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 03:02:08" (1/3) ... [2024-12-02 15:02:16,954 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40b8b50e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:02:16, skipping insertion in model container [2024-12-02 15:02:16,954 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:02:10" (2/3) ... [2024-12-02 15:02:16,955 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40b8b50e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:02:16, skipping insertion in model container [2024-12-02 15:02:16,955 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:02:16" (3/3) ... [2024-12-02 15:02:16,956 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_array_list_swap_harness.i [2024-12-02 15:02:16,971 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 15:02:16,973 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_array_list_swap_harness.i that has 16 procedures, 179 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-12-02 15:02:17,029 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 15:02:17,042 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=PETRI_NET, 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;@d227514, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 15:02:17,042 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 15:02:17,047 INFO L276 IsEmpty]: Start isEmpty. Operand has 179 states, 101 states have (on average 1.1683168316831682) internal successors, (118), 102 states have internal predecessors, (118), 61 states have call successors, (61), 15 states have call predecessors, (61), 15 states have return successors, (61), 61 states have call predecessors, (61), 61 states have call successors, (61) [2024-12-02 15:02:17,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-12-02 15:02:17,057 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:02:17,058 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:02:17,058 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:02:17,063 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:02:17,063 INFO L85 PathProgramCache]: Analyzing trace with hash -1526607995, now seen corresponding path program 1 times [2024-12-02 15:02:17,071 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:02:17,072 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [525664673] [2024-12-02 15:02:17,072 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:02:17,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:02:22,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:02:23,012 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-12-02 15:02:23,012 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:02:23,013 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [525664673] [2024-12-02 15:02:23,013 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [525664673] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 15:02:23,013 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1710206644] [2024-12-02 15:02:23,013 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:02:23,014 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 15:02:23,014 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c546197-4cbe-45ed-929c-12989657a841/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 15:02:23,016 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c546197-4cbe-45ed-929c-12989657a841/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 15:02:23,018 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c546197-4cbe-45ed-929c-12989657a841/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-12-02 15:02:28,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:02:28,587 INFO L256 TraceCheckSpWp]: Trace formula consists of 4013 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-02 15:02:28,596 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:02:28,609 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-12-02 15:02:28,609 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 15:02:28,610 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1710206644] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:02:28,610 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 15:02:28,610 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-12-02 15:02:28,612 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [902796158] [2024-12-02 15:02:28,612 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:02:28,615 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 15:02:28,615 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:02:28,631 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 15:02:28,632 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 15:02:28,634 INFO L87 Difference]: Start difference. First operand has 179 states, 101 states have (on average 1.1683168316831682) internal successors, (118), 102 states have internal predecessors, (118), 61 states have call successors, (61), 15 states have call predecessors, (61), 15 states have return successors, (61), 61 states have call predecessors, (61), 61 states have call successors, (61) 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, (13), 2 states have call predecessors, (13), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-12-02 15:02:28,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:02:28,669 INFO L93 Difference]: Finished difference Result 351 states and 515 transitions. [2024-12-02 15:02:28,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 15:02:28,671 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, (13), 2 states have call predecessors, (13), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 69 [2024-12-02 15:02:28,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:02:28,679 INFO L225 Difference]: With dead ends: 351 [2024-12-02 15:02:28,679 INFO L226 Difference]: Without dead ends: 174 [2024-12-02 15:02:28,683 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 15:02:28,686 INFO L435 NwaCegarLoop]: 237 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, 237 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 [2024-12-02 15:02:28,687 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 237 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 15:02:28,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 174 states. [2024-12-02 15:02:28,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 174 to 174. [2024-12-02 15:02:28,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 174 states, 97 states have (on average 1.1443298969072164) internal successors, (111), 98 states have internal predecessors, (111), 61 states have call successors, (61), 15 states have call predecessors, (61), 15 states have return successors, (60), 60 states have call predecessors, (60), 60 states have call successors, (60) [2024-12-02 15:02:28,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 174 states and 232 transitions. [2024-12-02 15:02:28,739 INFO L78 Accepts]: Start accepts. Automaton has 174 states and 232 transitions. Word has length 69 [2024-12-02 15:02:28,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:02:28,739 INFO L471 AbstractCegarLoop]: Abstraction has 174 states and 232 transitions. [2024-12-02 15:02:28,740 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, (13), 2 states have call predecessors, (13), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-12-02 15:02:28,740 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 232 transitions. [2024-12-02 15:02:28,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-12-02 15:02:28,743 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:02:28,743 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:02:28,755 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c546197-4cbe-45ed-929c-12989657a841/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-12-02 15:02:28,944 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c546197-4cbe-45ed-929c-12989657a841/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-12-02 15:02:28,944 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:02:28,945 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:02:28,945 INFO L85 PathProgramCache]: Analyzing trace with hash 1908141771, now seen corresponding path program 1 times [2024-12-02 15:02:28,945 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:02:28,945 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1456502205] [2024-12-02 15:02:28,945 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:02:28,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:02:33,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:02:34,722 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2024-12-02 15:02:34,723 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:02:34,723 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1456502205] [2024-12-02 15:02:34,723 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1456502205] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 15:02:34,723 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [706920826] [2024-12-02 15:02:34,723 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:02:34,723 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 15:02:34,723 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c546197-4cbe-45ed-929c-12989657a841/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 15:02:34,725 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c546197-4cbe-45ed-929c-12989657a841/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 15:02:34,728 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c546197-4cbe-45ed-929c-12989657a841/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-12-02 15:02:40,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:02:40,229 INFO L256 TraceCheckSpWp]: Trace formula consists of 4013 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-02 15:02:40,235 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:02:40,681 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-12-02 15:02:40,681 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 15:02:40,681 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [706920826] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:02:40,681 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 15:02:40,681 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [5] total 9 [2024-12-02 15:02:40,682 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [863871708] [2024-12-02 15:02:40,682 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:02:40,682 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 15:02:40,683 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:02:40,683 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 15:02:40,684 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-12-02 15:02:40,684 INFO L87 Difference]: Start difference. First operand 174 states and 232 transitions. Second operand has 6 states, 6 states have (on average 5.5) internal successors, (33), 6 states have internal predecessors, (33), 3 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2024-12-02 15:02:42,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:02:42,414 INFO L93 Difference]: Finished difference Result 313 states and 430 transitions. [2024-12-02 15:02:42,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 15:02:42,414 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.5) internal successors, (33), 6 states have internal predecessors, (33), 3 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 69 [2024-12-02 15:02:42,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:02:42,418 INFO L225 Difference]: With dead ends: 313 [2024-12-02 15:02:42,418 INFO L226 Difference]: Without dead ends: 176 [2024-12-02 15:02:42,419 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2024-12-02 15:02:42,420 INFO L435 NwaCegarLoop]: 178 mSDtfsCounter, 236 mSDsluCounter, 485 mSDsCounter, 0 mSdLazyCounter, 190 mSolverCounterSat, 71 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 241 SdHoareTripleChecker+Valid, 663 SdHoareTripleChecker+Invalid, 261 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 71 IncrementalHoareTripleChecker+Valid, 190 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-12-02 15:02:42,420 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [241 Valid, 663 Invalid, 261 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [71 Valid, 190 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-12-02 15:02:42,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176 states. [2024-12-02 15:02:42,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176 to 176. [2024-12-02 15:02:42,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 176 states, 98 states have (on average 1.1428571428571428) internal successors, (112), 100 states have internal predecessors, (112), 61 states have call successors, (61), 15 states have call predecessors, (61), 16 states have return successors, (68), 60 states have call predecessors, (68), 60 states have call successors, (68) [2024-12-02 15:02:42,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 176 states and 241 transitions. [2024-12-02 15:02:42,444 INFO L78 Accepts]: Start accepts. Automaton has 176 states and 241 transitions. Word has length 69 [2024-12-02 15:02:42,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:02:42,445 INFO L471 AbstractCegarLoop]: Abstraction has 176 states and 241 transitions. [2024-12-02 15:02:42,445 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.5) internal successors, (33), 6 states have internal predecessors, (33), 3 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2024-12-02 15:02:42,445 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 241 transitions. [2024-12-02 15:02:42,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-12-02 15:02:42,447 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:02:42,447 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:02:42,460 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c546197-4cbe-45ed-929c-12989657a841/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-12-02 15:02:42,648 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c546197-4cbe-45ed-929c-12989657a841/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 15:02:42,648 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:02:42,648 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:02:42,649 INFO L85 PathProgramCache]: Analyzing trace with hash -112018397, now seen corresponding path program 1 times [2024-12-02 15:02:42,649 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:02:42,649 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1519617345] [2024-12-02 15:02:42,649 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:02:42,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:02:47,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:02:48,237 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2024-12-02 15:02:48,238 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:02:48,238 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1519617345] [2024-12-02 15:02:48,238 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1519617345] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 15:02:48,238 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [452632844] [2024-12-02 15:02:48,238 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:02:48,238 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 15:02:48,238 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c546197-4cbe-45ed-929c-12989657a841/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 15:02:48,240 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c546197-4cbe-45ed-929c-12989657a841/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 15:02:48,242 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c546197-4cbe-45ed-929c-12989657a841/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-12-02 15:02:53,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:02:53,397 INFO L256 TraceCheckSpWp]: Trace formula consists of 4140 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-02 15:02:53,402 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:02:54,233 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-02 15:02:54,233 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 15:02:54,234 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [452632844] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:02:54,234 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 15:02:54,234 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [7] total 13 [2024-12-02 15:02:54,234 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1999805778] [2024-12-02 15:02:54,234 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:02:54,235 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-12-02 15:02:54,235 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:02:54,235 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-12-02 15:02:54,236 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2024-12-02 15:02:54,236 INFO L87 Difference]: Start difference. First operand 176 states and 241 transitions. Second operand has 8 states, 8 states have (on average 5.875) internal successors, (47), 7 states have internal predecessors, (47), 4 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (13), 4 states have call predecessors, (13), 4 states have call successors, (13) [2024-12-02 15:02:57,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:02:57,118 INFO L93 Difference]: Finished difference Result 324 states and 453 transitions. [2024-12-02 15:02:57,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-02 15:02:57,118 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.875) internal successors, (47), 7 states have internal predecessors, (47), 4 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (13), 4 states have call predecessors, (13), 4 states have call successors, (13) Word has length 84 [2024-12-02 15:02:57,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:02:57,120 INFO L225 Difference]: With dead ends: 324 [2024-12-02 15:02:57,120 INFO L226 Difference]: Without dead ends: 188 [2024-12-02 15:02:57,121 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=54, Invalid=252, Unknown=0, NotChecked=0, Total=306 [2024-12-02 15:02:57,122 INFO L435 NwaCegarLoop]: 172 mSDtfsCounter, 256 mSDsluCounter, 816 mSDsCounter, 0 mSdLazyCounter, 335 mSolverCounterSat, 86 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 261 SdHoareTripleChecker+Valid, 988 SdHoareTripleChecker+Invalid, 421 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 86 IncrementalHoareTripleChecker+Valid, 335 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2024-12-02 15:02:57,122 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [261 Valid, 988 Invalid, 421 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [86 Valid, 335 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2024-12-02 15:02:57,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states. [2024-12-02 15:02:57,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 188. [2024-12-02 15:02:57,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 188 states, 104 states have (on average 1.1442307692307692) internal successors, (119), 106 states have internal predecessors, (119), 66 states have call successors, (66), 16 states have call predecessors, (66), 17 states have return successors, (73), 65 states have call predecessors, (73), 65 states have call successors, (73) [2024-12-02 15:02:57,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 188 states and 258 transitions. [2024-12-02 15:02:57,136 INFO L78 Accepts]: Start accepts. Automaton has 188 states and 258 transitions. Word has length 84 [2024-12-02 15:02:57,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:02:57,137 INFO L471 AbstractCegarLoop]: Abstraction has 188 states and 258 transitions. [2024-12-02 15:02:57,137 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.875) internal successors, (47), 7 states have internal predecessors, (47), 4 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (13), 4 states have call predecessors, (13), 4 states have call successors, (13) [2024-12-02 15:02:57,137 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 258 transitions. [2024-12-02 15:02:57,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-12-02 15:02:57,138 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:02:57,138 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2024-12-02 15:02:57,153 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c546197-4cbe-45ed-929c-12989657a841/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-12-02 15:02:57,339 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c546197-4cbe-45ed-929c-12989657a841/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 15:02:57,339 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:02:57,339 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:02:57,339 INFO L85 PathProgramCache]: Analyzing trace with hash -1693251591, now seen corresponding path program 1 times [2024-12-02 15:02:57,339 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:02:57,339 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [488919596] [2024-12-02 15:02:57,339 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:02:57,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:03:05,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-02 15:03:05,264 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1391751225] [2024-12-02 15:03:05,264 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:03:05,264 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 15:03:05,264 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c546197-4cbe-45ed-929c-12989657a841/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 15:03:05,266 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c546197-4cbe-45ed-929c-12989657a841/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 15:03:05,267 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c546197-4cbe-45ed-929c-12989657a841/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process