./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_array_list_init_dynamic_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 798a7b37 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_array_list_init_dynamic_harness.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 32caf91a957359107cc7ee97dff15a48767c1a44f043f2c3cd059b67296b8bad --- Real Ultimate output --- This is Ultimate 0.3.0-?-798a7b3-m [2025-03-04 02:34:37,237 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-04 02:34:37,289 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-03-04 02:34:37,294 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-04 02:34:37,295 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-04 02:34:37,314 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-04 02:34:37,315 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-04 02:34:37,315 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-04 02:34:37,316 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-04 02:34:37,316 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-04 02:34:37,316 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-04 02:34:37,316 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-04 02:34:37,316 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-04 02:34:37,317 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-04 02:34:37,317 INFO L153 SettingsManager]: * Use SBE=true [2025-03-04 02:34:37,317 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-04 02:34:37,317 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-04 02:34:37,317 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-04 02:34:37,317 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-04 02:34:37,317 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-04 02:34:37,317 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-04 02:34:37,318 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-04 02:34:37,318 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-04 02:34:37,318 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-04 02:34:37,318 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-04 02:34:37,318 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-04 02:34:37,318 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-04 02:34:37,318 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-04 02:34:37,318 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-04 02:34:37,318 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 02:34:37,319 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-04 02:34:37,319 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-04 02:34:37,319 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-04 02:34:37,319 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-04 02:34:37,319 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-04 02:34:37,319 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-04 02:34:37,319 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-04 02:34:37,319 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-04 02:34:37,320 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-04 02:34:37,320 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-04 02:34:37,320 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 -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux 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 -> 32caf91a957359107cc7ee97dff15a48767c1a44f043f2c3cd059b67296b8bad [2025-03-04 02:34:37,608 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-04 02:34:37,617 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-04 02:34:37,620 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-04 02:34:37,621 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-04 02:34:37,622 INFO L274 PluginConnector]: CDTParser initialized [2025-03-04 02:34:37,624 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_array_list_init_dynamic_harness.i [2025-03-04 02:34:38,962 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2988546a5/a682e7cc1388464fb8c5958eb86e1b99/FLAG08dc515a0 [2025-03-04 02:34:39,438 INFO L384 CDTParser]: Found 1 translation units. [2025-03-04 02:34:39,439 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_array_list_init_dynamic_harness.i [2025-03-04 02:34:39,475 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2988546a5/a682e7cc1388464fb8c5958eb86e1b99/FLAG08dc515a0 [2025-03-04 02:34:39,530 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2988546a5/a682e7cc1388464fb8c5958eb86e1b99 [2025-03-04 02:34:39,532 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-04 02:34:39,534 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-04 02:34:39,535 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-04 02:34:39,535 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-04 02:34:39,540 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-04 02:34:39,541 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 02:34:39" (1/1) ... [2025-03-04 02:34:39,542 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29f57c07 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:34:39, skipping insertion in model container [2025-03-04 02:34:39,542 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 02:34:39" (1/1) ... [2025-03-04 02:34:39,618 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-04 02:34:39,845 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_array_list_init_dynamic_harness.i[4501,4514] [2025-03-04 02:34:39,852 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_array_list_init_dynamic_harness.i[4561,4574] [2025-03-04 02:34:40,615 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:34:40,615 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:34:40,616 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:34:40,616 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:34:40,617 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:34:40,628 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:34:40,629 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:34:40,630 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:34:40,631 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:34:40,632 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:34:40,632 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:34:40,633 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:34:40,633 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:34:41,002 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:34:41,007 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:34:41,075 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 02:34:41,111 INFO L200 MainTranslator]: Completed pre-run [2025-03-04 02:34:41,132 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_array_list_init_dynamic_harness.i[4501,4514] [2025-03-04 02:34:41,133 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_array_list_init_dynamic_harness.i[4561,4574] [2025-03-04 02:34:41,213 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:34:41,214 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:34:41,214 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:34:41,215 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:34:41,219 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:34:41,231 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:34:41,232 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:34:41,236 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:34:41,237 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:34:41,238 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:34:41,239 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:34:41,239 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:34:41,239 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:34:41,357 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:34:41,368 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:34:41,376 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7529-7540] [2025-03-04 02:34:41,396 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 02:34:41,558 INFO L204 MainTranslator]: Completed translation [2025-03-04 02:34:41,559 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:34:41 WrapperNode [2025-03-04 02:34:41,559 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-04 02:34:41,562 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-04 02:34:41,562 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-04 02:34:41,562 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-04 02:34:41,568 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:34:41" (1/1) ... [2025-03-04 02:34:41,641 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:34:41" (1/1) ... [2025-03-04 02:34:41,695 INFO L138 Inliner]: procedures = 679, calls = 1558, calls flagged for inlining = 47, calls inlined = 6, statements flattened = 596 [2025-03-04 02:34:41,700 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-04 02:34:41,701 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-04 02:34:41,701 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-04 02:34:41,701 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-04 02:34:41,711 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:34:41" (1/1) ... [2025-03-04 02:34:41,711 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:34:41" (1/1) ... [2025-03-04 02:34:41,717 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:34:41" (1/1) ... [2025-03-04 02:34:41,792 INFO L175 MemorySlicer]: Split 277 memory accesses to 5 slices as follows [2, 238, 6, 5, 26]. 86 percent of accesses are in the largest equivalence class. The 19 initializations are split as follows [2, 6, 1, 5, 5]. The 238 writes are split as follows [0, 232, 1, 0, 5]. [2025-03-04 02:34:41,792 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:34:41" (1/1) ... [2025-03-04 02:34:41,793 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:34:41" (1/1) ... [2025-03-04 02:34:41,826 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:34:41" (1/1) ... [2025-03-04 02:34:41,832 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:34:41" (1/1) ... [2025-03-04 02:34:41,846 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:34:41" (1/1) ... [2025-03-04 02:34:41,854 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:34:41" (1/1) ... [2025-03-04 02:34:41,863 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-04 02:34:41,864 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-04 02:34:41,864 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-04 02:34:41,864 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-04 02:34:41,865 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:34:41" (1/1) ... [2025-03-04 02:34:41,872 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 02:34:41,886 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 02:34:41,913 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-04 02:34:41,923 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-04 02:34:41,946 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_mem_zeroed [2025-03-04 02:34:41,946 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_mem_zeroed [2025-03-04 02:34:41,947 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-04 02:34:41,947 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2025-03-04 02:34:41,947 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2025-03-04 02:34:41,947 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-03-04 02:34:41,947 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-03-04 02:34:41,947 INFO L130 BoogieDeclarations]: Found specification of procedure aws_allocator_is_valid [2025-03-04 02:34:41,947 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_allocator_is_valid [2025-03-04 02:34:41,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-03-04 02:34:41,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-03-04 02:34:41,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-03-04 02:34:41,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-03-04 02:34:41,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-03-04 02:34:41,947 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-04 02:34:41,947 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-04 02:34:41,947 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-04 02:34:41,947 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-03-04 02:34:41,947 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-03-04 02:34:41,947 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2025-03-04 02:34:41,947 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2025-03-04 02:34:41,947 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-03-04 02:34:41,947 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-03-04 02:34:41,948 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-04 02:34:41,948 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-04 02:34:41,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-04 02:34:41,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-04 02:34:41,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-03-04 02:34:41,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-03-04 02:34:41,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-03-04 02:34:41,949 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-04 02:34:41,949 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-04 02:34:41,949 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-03-04 02:34:41,949 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-03-04 02:34:41,949 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2025-03-04 02:34:41,949 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2025-03-04 02:34:41,949 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2025-03-04 02:34:41,949 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2025-03-04 02:34:41,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-03-04 02:34:41,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-03-04 02:34:41,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-03-04 02:34:41,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-03-04 02:34:41,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-03-04 02:34:41,950 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2025-03-04 02:34:41,950 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2025-03-04 02:34:41,950 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2025-03-04 02:34:41,950 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2025-03-04 02:34:41,950 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2025-03-04 02:34:41,950 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2025-03-04 02:34:41,951 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2025-03-04 02:34:41,951 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2025-03-04 02:34:41,951 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2025-03-04 02:34:41,951 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2025-03-04 02:34:41,951 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2025-03-04 02:34:41,951 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2025-03-04 02:34:41,951 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-04 02:34:41,952 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-04 02:34:41,952 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_acquire [2025-03-04 02:34:41,952 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_acquire [2025-03-04 02:34:41,952 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-04 02:34:41,952 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-03-04 02:34:41,952 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-03-04 02:34:41,953 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-03-04 02:34:41,953 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-03-04 02:34:41,953 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-03-04 02:34:41,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-03-04 02:34:41,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-03-04 02:34:41,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-03-04 02:34:41,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-03-04 02:34:41,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-03-04 02:34:41,953 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-03-04 02:34:41,953 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-03-04 02:34:41,953 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2025-03-04 02:34:41,953 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2025-03-04 02:34:41,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-04 02:34:41,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-04 02:34:41,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-04 02:34:41,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-03-04 02:34:41,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-03-04 02:34:41,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-04 02:34:41,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-04 02:34:41,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-04 02:34:41,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-03-04 02:34:41,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-03-04 02:34:42,232 INFO L256 CfgBuilder]: Building ICFG [2025-03-04 02:34:42,235 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-04 02:34:42,280 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L2782: havoc #t~malloc77.base, #t~malloc77.offset; [2025-03-04 02:34:42,307 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: havoc #t~nondet6; [2025-03-04 02:34:42,359 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L2588: havoc #t~ret57#1; [2025-03-04 02:34:42,401 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L2796: havoc #t~ret81;havoc #t~ite83.base, #t~ite83.offset;havoc #t~ret82.base, #t~ret82.offset; [2025-03-04 02:34:42,452 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L3268: call ULTIMATE.dealloc(~#required_size~0.base, ~#required_size~0.offset);havoc ~#required_size~0.base, ~#required_size~0.offset; [2025-03-04 02:34:42,458 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-03-04 02:34:42,462 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L2821: havoc #t~ret89.base, #t~ret89.offset; [2025-03-04 02:34:47,959 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L3202: call ULTIMATE.dealloc(aws_array_list_init_dynamic_~#allocation_size~0#1.base, aws_array_list_init_dynamic_~#allocation_size~0#1.offset);havoc aws_array_list_init_dynamic_~#allocation_size~0#1.base, aws_array_list_init_dynamic_~#allocation_size~0#1.offset; [2025-03-04 02:34:48,029 INFO L? ?]: Removed 87 outVars from TransFormulas that were not future-live. [2025-03-04 02:34:48,029 INFO L307 CfgBuilder]: Performing block encoding [2025-03-04 02:34:48,041 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-04 02:34:48,043 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-04 02:34:48,043 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 02:34:48 BoogieIcfgContainer [2025-03-04 02:34:48,044 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-04 02:34:48,045 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-04 02:34:48,045 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-04 02:34:48,050 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-04 02:34:48,050 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.03 02:34:39" (1/3) ... [2025-03-04 02:34:48,051 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ee3e13c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 02:34:48, skipping insertion in model container [2025-03-04 02:34:48,051 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:34:41" (2/3) ... [2025-03-04 02:34:48,052 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ee3e13c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 02:34:48, skipping insertion in model container [2025-03-04 02:34:48,052 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 02:34:48" (3/3) ... [2025-03-04 02:34:48,053 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_array_list_init_dynamic_harness.i [2025-03-04 02:34:48,065 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-04 02:34:48,066 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_array_list_init_dynamic_harness.i that has 20 procedures, 158 locations, 1 initial locations, 7 loop locations, and 1 error locations. [2025-03-04 02:34:48,124 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-04 02:34:48,138 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;@6b408f29, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-04 02:34:48,138 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-04 02:34:48,144 INFO L276 IsEmpty]: Start isEmpty. Operand has 142 states, 90 states have (on average 1.211111111111111) internal successors, (109), 91 states have internal predecessors, (109), 36 states have call successors, (36), 15 states have call predecessors, (36), 15 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2025-03-04 02:34:48,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-03-04 02:34:48,154 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 02:34:48,156 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 02:34:48,157 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 02:34:48,162 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 02:34:48,163 INFO L85 PathProgramCache]: Analyzing trace with hash 1295523421, now seen corresponding path program 1 times [2025-03-04 02:34:48,169 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 02:34:48,170 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1677864041] [2025-03-04 02:34:48,170 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 02:34:48,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 02:34:53,217 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 64 statements into 1 equivalence classes. [2025-03-04 02:34:53,590 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-03-04 02:34:53,590 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 02:34:53,590 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 02:34:54,060 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2025-03-04 02:34:54,061 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 02:34:54,061 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1677864041] [2025-03-04 02:34:54,062 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1677864041] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 02:34:54,062 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [626484068] [2025-03-04 02:34:54,062 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 02:34:54,063 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 02:34:54,063 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 02:34:54,070 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 02:34:54,082 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-03-04 02:34:58,908 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 64 statements into 1 equivalence classes. [2025-03-04 02:34:59,381 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-03-04 02:34:59,381 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 02:34:59,381 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 02:34:59,403 INFO L256 TraceCheckSpWp]: Trace formula consists of 3988 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-03-04 02:34:59,411 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 02:34:59,426 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2025-03-04 02:34:59,428 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 02:34:59,428 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [626484068] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 02:34:59,428 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-04 02:34:59,428 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-03-04 02:34:59,430 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1595452411] [2025-03-04 02:34:59,430 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 02:34:59,432 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-04 02:34:59,433 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 02:34:59,449 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-04 02:34:59,449 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-04 02:34:59,451 INFO L87 Difference]: Start difference. First operand has 142 states, 90 states have (on average 1.211111111111111) internal successors, (109), 91 states have internal predecessors, (109), 36 states have call successors, (36), 15 states have call predecessors, (36), 15 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) Second operand has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2025-03-04 02:34:59,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 02:34:59,479 INFO L93 Difference]: Finished difference Result 272 states and 367 transitions. [2025-03-04 02:34:59,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-04 02:34:59,481 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 64 [2025-03-04 02:34:59,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 02:34:59,488 INFO L225 Difference]: With dead ends: 272 [2025-03-04 02:34:59,488 INFO L226 Difference]: Without dead ends: 135 [2025-03-04 02:34:59,492 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-04 02:34:59,494 INFO L435 NwaCegarLoop]: 177 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, 177 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 [2025-03-04 02:34:59,495 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 177 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-04 02:34:59,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2025-03-04 02:34:59,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 135. [2025-03-04 02:34:59,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 135 states, 83 states have (on average 1.1927710843373494) internal successors, (99), 85 states have internal predecessors, (99), 36 states have call successors, (36), 15 states have call predecessors, (36), 15 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2025-03-04 02:34:59,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 169 transitions. [2025-03-04 02:34:59,543 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 169 transitions. Word has length 64 [2025-03-04 02:34:59,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 02:34:59,545 INFO L471 AbstractCegarLoop]: Abstraction has 135 states and 169 transitions. [2025-03-04 02:34:59,546 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2025-03-04 02:34:59,546 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 169 transitions. [2025-03-04 02:34:59,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2025-03-04 02:34:59,549 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 02:34:59,550 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 02:34:59,565 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-03-04 02:34:59,750 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2025-03-04 02:34:59,751 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 02:34:59,751 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 02:34:59,752 INFO L85 PathProgramCache]: Analyzing trace with hash 1332439736, now seen corresponding path program 1 times [2025-03-04 02:34:59,752 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 02:34:59,752 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [752768502] [2025-03-04 02:34:59,752 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 02:34:59,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 02:35:04,377 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 70 statements into 1 equivalence classes. [2025-03-04 02:35:04,994 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 70 of 70 statements. [2025-03-04 02:35:04,996 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 02:35:04,997 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 02:35:06,396 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2025-03-04 02:35:06,397 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 02:35:06,397 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [752768502] [2025-03-04 02:35:06,397 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [752768502] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 02:35:06,398 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 02:35:06,398 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-04 02:35:06,398 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1792515301] [2025-03-04 02:35:06,398 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 02:35:06,398 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-04 02:35:06,399 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 02:35:06,400 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-04 02:35:06,400 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-04 02:35:06,400 INFO L87 Difference]: Start difference. First operand 135 states and 169 transitions. Second operand has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2025-03-04 02:35:06,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 02:35:06,499 INFO L93 Difference]: Finished difference Result 251 states and 312 transitions. [2025-03-04 02:35:06,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-04 02:35:06,505 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 70 [2025-03-04 02:35:06,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 02:35:06,507 INFO L225 Difference]: With dead ends: 251 [2025-03-04 02:35:06,509 INFO L226 Difference]: Without dead ends: 136 [2025-03-04 02:35:06,510 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-04 02:35:06,511 INFO L435 NwaCegarLoop]: 167 mSDtfsCounter, 0 mSDsluCounter, 332 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 499 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-04 02:35:06,512 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 499 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-04 02:35:06,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2025-03-04 02:35:06,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 136. [2025-03-04 02:35:06,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 136 states, 84 states have (on average 1.1904761904761905) internal successors, (100), 86 states have internal predecessors, (100), 36 states have call successors, (36), 15 states have call predecessors, (36), 15 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2025-03-04 02:35:06,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 170 transitions. [2025-03-04 02:35:06,531 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 170 transitions. Word has length 70 [2025-03-04 02:35:06,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 02:35:06,532 INFO L471 AbstractCegarLoop]: Abstraction has 136 states and 170 transitions. [2025-03-04 02:35:06,532 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2025-03-04 02:35:06,532 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 170 transitions. [2025-03-04 02:35:06,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2025-03-04 02:35:06,534 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 02:35:06,534 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 02:35:06,535 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-04 02:35:06,535 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 02:35:06,535 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 02:35:06,535 INFO L85 PathProgramCache]: Analyzing trace with hash 1297818282, now seen corresponding path program 1 times [2025-03-04 02:35:06,535 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 02:35:06,535 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [518884933] [2025-03-04 02:35:06,535 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 02:35:06,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 02:35:10,566 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 71 statements into 1 equivalence classes. [2025-03-04 02:35:10,952 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 71 of 71 statements. [2025-03-04 02:35:10,952 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 02:35:10,952 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 02:35:12,884 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2025-03-04 02:35:12,885 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 02:35:12,886 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [518884933] [2025-03-04 02:35:12,886 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [518884933] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 02:35:12,886 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [743328953] [2025-03-04 02:35:12,886 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 02:35:12,886 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 02:35:12,886 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 02:35:12,890 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 02:35:12,891 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-03-04 02:35:17,306 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 71 statements into 1 equivalence classes.