./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_array_list_capacity_harness_negated.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_capacity_harness_negated.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 782de24019eece20387c3cd6e967e9eaef1d40fd6eb1a7b72eb8f6c4f97205cc --- Real Ultimate output --- This is Ultimate 0.3.0-?-798a7b3-m [2025-03-04 02:32:16,995 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-04 02:32:17,050 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-03-04 02:32:17,056 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-04 02:32:17,058 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-04 02:32:17,078 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-04 02:32:17,079 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-04 02:32:17,080 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-04 02:32:17,080 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-04 02:32:17,080 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-04 02:32:17,081 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-04 02:32:17,081 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-04 02:32:17,081 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-04 02:32:17,081 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-04 02:32:17,082 INFO L153 SettingsManager]: * Use SBE=true [2025-03-04 02:32:17,082 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-04 02:32:17,082 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-04 02:32:17,082 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-04 02:32:17,082 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-04 02:32:17,082 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-04 02:32:17,082 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-04 02:32:17,082 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-04 02:32:17,082 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-04 02:32:17,083 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-04 02:32:17,083 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-04 02:32:17,083 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-04 02:32:17,083 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-04 02:32:17,083 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-04 02:32:17,083 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-04 02:32:17,083 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 02:32:17,083 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-04 02:32:17,084 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-04 02:32:17,084 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-04 02:32:17,084 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-04 02:32:17,084 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-04 02:32:17,084 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-04 02:32:17,084 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-04 02:32:17,084 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-04 02:32:17,084 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-04 02:32:17,084 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-04 02:32:17,084 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 -> 782de24019eece20387c3cd6e967e9eaef1d40fd6eb1a7b72eb8f6c4f97205cc [2025-03-04 02:32:17,310 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-04 02:32:17,317 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-04 02:32:17,318 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-04 02:32:17,319 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-04 02:32:17,319 INFO L274 PluginConnector]: CDTParser initialized [2025-03-04 02:32:17,320 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_array_list_capacity_harness_negated.i [2025-03-04 02:32:17,722 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6f62dab37/77f72dd0e772412bb5fc1633dbb2729b/FLAG6c61af986 [2025-03-04 02:32:19,558 INFO L384 CDTParser]: Found 1 translation units. [2025-03-04 02:32:19,559 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_array_list_capacity_harness_negated.i [2025-03-04 02:32:19,597 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6f62dab37/77f72dd0e772412bb5fc1633dbb2729b/FLAG6c61af986 [2025-03-04 02:32:19,614 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6f62dab37/77f72dd0e772412bb5fc1633dbb2729b [2025-03-04 02:32:19,616 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-04 02:32:19,618 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-04 02:32:19,619 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-04 02:32:19,619 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-04 02:32:19,623 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-04 02:32:19,624 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 02:32:19" (1/1) ... [2025-03-04 02:32:19,625 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18be8b73 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:32:19, skipping insertion in model container [2025-03-04 02:32:19,625 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 02:32:19" (1/1) ... [2025-03-04 02:32:19,697 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-04 02:32:19,852 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_capacity_harness_negated.i[4497,4510] [2025-03-04 02:32:19,857 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_capacity_harness_negated.i[4557,4570] [2025-03-04 02:32:20,266 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:32:20,267 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:32:20,267 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:32:20,268 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:32:20,268 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:32:20,280 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:32:20,280 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:32:20,281 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:32:20,282 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:32:20,283 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:32:20,283 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:32:20,284 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:32:20,284 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:32:20,550 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:32:20,559 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:32:20,618 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 02:32:20,648 INFO L200 MainTranslator]: Completed pre-run [2025-03-04 02:32:20,662 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_capacity_harness_negated.i[4497,4510] [2025-03-04 02:32:20,663 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_capacity_harness_negated.i[4557,4570] [2025-03-04 02:32:20,717 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:32:20,718 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:32:20,718 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:32:20,719 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:32:20,719 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:32:20,725 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:32:20,725 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:32:20,726 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:32:20,726 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:32:20,727 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:32:20,728 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:32:20,728 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:32:20,728 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:32:20,821 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:32:20,826 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:32:20,833 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7715-7726] [2025-03-04 02:32:20,851 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 02:32:20,972 INFO L204 MainTranslator]: Completed translation [2025-03-04 02:32:20,973 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:32:20 WrapperNode [2025-03-04 02:32:20,973 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-04 02:32:20,974 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-04 02:32:20,974 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-04 02:32:20,974 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-04 02:32:20,978 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:32:20" (1/1) ... [2025-03-04 02:32:21,026 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:32:20" (1/1) ... [2025-03-04 02:32:21,058 INFO L138 Inliner]: procedures = 679, calls = 1682, calls flagged for inlining = 53, calls inlined = 9, statements flattened = 617 [2025-03-04 02:32:21,059 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-04 02:32:21,059 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-04 02:32:21,059 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-04 02:32:21,059 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-04 02:32:21,066 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:32:20" (1/1) ... [2025-03-04 02:32:21,066 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:32:20" (1/1) ... [2025-03-04 02:32:21,074 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:32:20" (1/1) ... [2025-03-04 02:32:21,125 INFO L175 MemorySlicer]: Split 306 memory accesses to 6 slices as follows [2, 238, 3, 7, 6, 50]. 78 percent of accesses are in the largest equivalence class. The 24 initializations are split as follows [2, 6, 1, 5, 0, 10]. The 238 writes are split as follows [0, 232, 1, 0, 2, 3]. [2025-03-04 02:32:21,126 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:32:20" (1/1) ... [2025-03-04 02:32:21,126 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:32:20" (1/1) ... [2025-03-04 02:32:21,143 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:32:20" (1/1) ... [2025-03-04 02:32:21,145 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:32:20" (1/1) ... [2025-03-04 02:32:21,149 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:32:20" (1/1) ... [2025-03-04 02:32:21,151 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:32:20" (1/1) ... [2025-03-04 02:32:21,162 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-04 02:32:21,165 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-04 02:32:21,166 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-04 02:32:21,166 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-04 02:32:21,167 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:32:20" (1/1) ... [2025-03-04 02:32:21,171 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 02:32:21,183 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 02:32:21,196 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 02:32:21,200 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 02:32:21,215 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-04 02:32:21,215 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2025-03-04 02:32:21,215 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2025-03-04 02:32:21,215 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2025-03-04 02:32:21,215 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2025-03-04 02:32:21,215 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-03-04 02:32:21,215 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-03-04 02:32:21,215 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-03-04 02:32:21,215 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-03-04 02:32:21,216 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-03-04 02:32:21,216 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-03-04 02:32:21,216 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-03-04 02:32:21,216 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-03-04 02:32:21,216 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-04 02:32:21,216 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-04 02:32:21,216 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-04 02:32:21,216 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-03-04 02:32:21,216 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-03-04 02:32:21,216 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-03-04 02:32:21,216 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2025-03-04 02:32:21,216 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2025-03-04 02:32:21,216 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-03-04 02:32:21,216 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-03-04 02:32:21,216 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-04 02:32:21,216 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-04 02:32:21,216 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-04 02:32:21,216 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-04 02:32:21,216 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-03-04 02:32:21,216 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-03-04 02:32:21,216 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-03-04 02:32:21,216 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-03-04 02:32:21,216 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-04 02:32:21,216 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-04 02:32:21,216 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-03-04 02:32:21,216 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-03-04 02:32:21,216 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2025-03-04 02:32:21,216 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2025-03-04 02:32:21,216 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2025-03-04 02:32:21,216 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2025-03-04 02:32:21,216 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-03-04 02:32:21,216 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-03-04 02:32:21,216 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-03-04 02:32:21,216 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-03-04 02:32:21,216 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-03-04 02:32:21,216 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-03-04 02:32:21,216 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-04 02:32:21,216 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-04 02:32:21,216 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-04 02:32:21,216 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-03-04 02:32:21,216 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-03-04 02:32:21,217 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-03-04 02:32:21,217 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-03-04 02:32:21,217 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-03-04 02:32:21,217 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-03-04 02:32:21,217 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-03-04 02:32:21,217 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-03-04 02:32:21,217 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-03-04 02:32:21,217 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-03-04 02:32:21,217 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-03-04 02:32:21,217 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-03-04 02:32:21,217 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-03-04 02:32:21,217 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-03-04 02:32:21,217 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2025-03-04 02:32:21,217 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2025-03-04 02:32:21,217 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-04 02:32:21,217 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-04 02:32:21,217 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-04 02:32:21,217 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-03-04 02:32:21,217 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-03-04 02:32:21,217 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-03-04 02:32:21,217 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2025-03-04 02:32:21,217 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2025-03-04 02:32:21,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-04 02:32:21,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-04 02:32:21,220 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-04 02:32:21,220 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-03-04 02:32:21,220 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-03-04 02:32:21,220 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-03-04 02:32:21,494 INFO L256 CfgBuilder]: Building ICFG [2025-03-04 02:32:21,496 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-04 02:32:21,525 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L2782: havoc #t~malloc77.base, #t~malloc77.offset; [2025-03-04 02:32:21,568 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L2588: havoc #t~ret57#1; [2025-03-04 02:32:21,642 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 02:32:21,647 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-03-04 02:32:27,300 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: havoc nondet_size_t_#t~nondet6#1; [2025-03-04 02:32:27,334 INFO L? ?]: Removed 107 outVars from TransFormulas that were not future-live. [2025-03-04 02:32:27,334 INFO L307 CfgBuilder]: Performing block encoding [2025-03-04 02:32:27,343 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-04 02:32:27,345 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-04 02:32:27,345 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 02:32:27 BoogieIcfgContainer [2025-03-04 02:32:27,346 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-04 02:32:27,347 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-04 02:32:27,348 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-04 02:32:27,351 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-04 02:32:27,351 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.03 02:32:19" (1/3) ... [2025-03-04 02:32:27,352 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f1fe0d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 02:32:27, skipping insertion in model container [2025-03-04 02:32:27,353 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:32:20" (2/3) ... [2025-03-04 02:32:27,353 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f1fe0d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 02:32:27, skipping insertion in model container [2025-03-04 02:32:27,353 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 02:32:27" (3/3) ... [2025-03-04 02:32:27,354 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_array_list_capacity_harness_negated.i [2025-03-04 02:32:27,365 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-04 02:32:27,366 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_array_list_capacity_harness_negated.i that has 13 procedures, 122 locations, 1 initial locations, 0 loop locations, and 1 error locations. [2025-03-04 02:32:27,407 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-04 02:32:27,414 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;@3ab62bf4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-04 02:32:27,414 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-04 02:32:27,418 INFO L276 IsEmpty]: Start isEmpty. Operand has 122 states, 77 states have (on average 1.1948051948051948) internal successors, (92), 78 states have internal predecessors, (92), 31 states have call successors, (31), 12 states have call predecessors, (31), 12 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2025-03-04 02:32:27,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2025-03-04 02:32:27,426 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 02:32:27,427 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 02:32:27,427 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 02:32:27,431 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 02:32:27,432 INFO L85 PathProgramCache]: Analyzing trace with hash 14339677, now seen corresponding path program 1 times [2025-03-04 02:32:27,437 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 02:32:27,437 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [858977190] [2025-03-04 02:32:27,437 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 02:32:27,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 02:32:31,764 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 74 statements into 1 equivalence classes. [2025-03-04 02:32:32,062 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 74 of 74 statements. [2025-03-04 02:32:32,063 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 02:32:32,063 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 02:32:32,442 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2025-03-04 02:32:32,443 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 02:32:32,443 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [858977190] [2025-03-04 02:32:32,444 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [858977190] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 02:32:32,444 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2079150434] [2025-03-04 02:32:32,444 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 02:32:32,444 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 02:32:32,444 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 02:32:32,446 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 02:32:32,447 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 02:32:36,749 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 74 statements into 1 equivalence classes. [2025-03-04 02:32:37,202 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 74 of 74 statements. [2025-03-04 02:32:37,202 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 02:32:37,202 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 02:32:37,220 INFO L256 TraceCheckSpWp]: Trace formula consists of 4065 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-03-04 02:32:37,227 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 02:32:37,236 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2025-03-04 02:32:37,236 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 02:32:37,237 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2079150434] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 02:32:37,237 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-04 02:32:37,237 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-03-04 02:32:37,239 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1490082702] [2025-03-04 02:32:37,239 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 02:32:37,242 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-04 02:32:37,242 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 02:32:37,254 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-04 02:32:37,254 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-04 02:32:37,256 INFO L87 Difference]: Start difference. First operand has 122 states, 77 states have (on average 1.1948051948051948) internal successors, (92), 78 states have internal predecessors, (92), 31 states have call successors, (31), 12 states have call predecessors, (31), 12 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) Second operand has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2025-03-04 02:32:37,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 02:32:37,278 INFO L93 Difference]: Finished difference Result 237 states and 320 transitions. [2025-03-04 02:32:37,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-04 02:32:37,279 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 74 [2025-03-04 02:32:37,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 02:32:37,285 INFO L225 Difference]: With dead ends: 237 [2025-03-04 02:32:37,285 INFO L226 Difference]: Without dead ends: 117 [2025-03-04 02:32:37,288 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 75 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 02:32:37,289 INFO L435 NwaCegarLoop]: 152 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, 152 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 02:32:37,289 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 152 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-04 02:32:37,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2025-03-04 02:32:37,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 117. [2025-03-04 02:32:37,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 73 states have (on average 1.178082191780822) internal successors, (86), 74 states have internal predecessors, (86), 31 states have call successors, (31), 12 states have call predecessors, (31), 12 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2025-03-04 02:32:37,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 147 transitions. [2025-03-04 02:32:37,317 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 147 transitions. Word has length 74 [2025-03-04 02:32:37,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 02:32:37,317 INFO L471 AbstractCegarLoop]: Abstraction has 117 states and 147 transitions. [2025-03-04 02:32:37,317 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2025-03-04 02:32:37,317 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 147 transitions. [2025-03-04 02:32:37,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2025-03-04 02:32:37,319 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 02:32:37,320 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 02:32:37,333 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 02:32:37,520 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 02:32:37,521 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 02:32:37,521 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 02:32:37,521 INFO L85 PathProgramCache]: Analyzing trace with hash 1078467385, now seen corresponding path program 1 times [2025-03-04 02:32:37,521 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 02:32:37,521 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1430522615] [2025-03-04 02:32:37,522 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 02:32:37,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 02:32:41,404 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 74 statements into 1 equivalence classes. [2025-03-04 02:32:41,506 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 74 of 74 statements. [2025-03-04 02:32:41,506 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 02:32:41,507 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 02:32:41,947 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2025-03-04 02:32:41,947 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 02:32:41,947 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1430522615] [2025-03-04 02:32:41,948 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1430522615] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 02:32:41,948 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 02:32:41,948 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-04 02:32:41,948 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [503729446] [2025-03-04 02:32:41,948 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 02:32:41,948 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 02:32:41,948 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 02:32:41,949 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 02:32:41,949 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 02:32:41,949 INFO L87 Difference]: Start difference. First operand 117 states and 147 transitions. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2025-03-04 02:32:42,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 02:32:42,033 INFO L93 Difference]: Finished difference Result 208 states and 263 transitions. [2025-03-04 02:32:42,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 02:32:42,036 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 74 [2025-03-04 02:32:42,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 02:32:42,037 INFO L225 Difference]: With dead ends: 208 [2025-03-04 02:32:42,037 INFO L226 Difference]: Without dead ends: 118 [2025-03-04 02:32:42,038 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 02:32:42,038 INFO L435 NwaCegarLoop]: 146 mSDtfsCounter, 0 mSDsluCounter, 142 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 288 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-04 02:32:42,038 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 288 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-04 02:32:42,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2025-03-04 02:32:42,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 118. [2025-03-04 02:32:42,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118 states, 74 states have (on average 1.1756756756756757) internal successors, (87), 75 states have internal predecessors, (87), 31 states have call successors, (31), 12 states have call predecessors, (31), 12 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2025-03-04 02:32:42,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 148 transitions. [2025-03-04 02:32:42,052 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 148 transitions. Word has length 74 [2025-03-04 02:32:42,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 02:32:42,053 INFO L471 AbstractCegarLoop]: Abstraction has 118 states and 148 transitions. [2025-03-04 02:32:42,053 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2025-03-04 02:32:42,054 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 148 transitions. [2025-03-04 02:32:42,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2025-03-04 02:32:42,055 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 02:32:42,055 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 02:32:42,055 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-04 02:32:42,055 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 02:32:42,056 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 02:32:42,056 INFO L85 PathProgramCache]: Analyzing trace with hash 977555418, now seen corresponding path program 1 times [2025-03-04 02:32:42,056 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 02:32:42,056 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1237437583] [2025-03-04 02:32:42,056 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 02:32:42,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 02:32:45,715 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 74 statements into 1 equivalence classes. [2025-03-04 02:32:45,808 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 74 of 74 statements. [2025-03-04 02:32:45,808 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 02:32:45,808 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 02:32:46,599 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2025-03-04 02:32:46,600 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 02:32:46,601 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1237437583] [2025-03-04 02:32:46,601 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1237437583] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 02:32:46,601 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1301788671] [2025-03-04 02:32:46,601 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 02:32:46,601 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 02:32:46,601 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 02:32:46,603 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 02:32:46,605 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 02:32:50,816 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 74 statements into 1 equivalence classes. [2025-03-04 02:32:51,211 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 74 of 74 statements. [2025-03-04 02:32:51,211 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 02:32:51,211 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 02:32:51,228 INFO L256 TraceCheckSpWp]: Trace formula consists of 4068 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-04 02:32:51,233 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 02:32:51,844 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2025-03-04 02:32:51,844 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 02:32:51,844 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1301788671] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 02:32:51,844 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-04 02:32:51,844 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [5] total 9 [2025-03-04 02:32:51,844 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1876237896] [2025-03-04 02:32:51,845 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 02:32:51,845 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-04 02:32:51,845 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 02:32:51,845 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-04 02:32:51,846 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2025-03-04 02:32:51,846 INFO L87 Difference]: Start difference. First operand 118 states and 148 transitions. Second operand has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 6 states have internal predecessors, (34), 3 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2025-03-04 02:32:53,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 02:32:53,484 INFO L93 Difference]: Finished difference Result 200 states and 255 transitions. [2025-03-04 02:32:53,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-04 02:32:53,485 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 6 states have internal predecessors, (34), 3 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 74 [2025-03-04 02:32:53,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 02:32:53,487 INFO L225 Difference]: With dead ends: 200 [2025-03-04 02:32:53,487 INFO L226 Difference]: Without dead ends: 120 [2025-03-04 02:32:53,489 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2025-03-04 02:32:53,490 INFO L435 NwaCegarLoop]: 112 mSDtfsCounter, 158 mSDsluCounter, 302 mSDsCounter, 0 mSdLazyCounter, 116 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 158 SdHoareTripleChecker+Valid, 414 SdHoareTripleChecker+Invalid, 161 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2025-03-04 02:32:53,490 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [158 Valid, 414 Invalid, 161 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 116 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2025-03-04 02:32:53,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2025-03-04 02:32:53,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2025-03-04 02:32:53,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 75 states have (on average 1.1733333333333333) internal successors, (88), 77 states have internal predecessors, (88), 31 states have call successors, (31), 12 states have call predecessors, (31), 13 states have return successors, (32), 30 states have call predecessors, (32), 30 states have call successors, (32) [2025-03-04 02:32:53,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 151 transitions. [2025-03-04 02:32:53,499 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 151 transitions. Word has length 74 [2025-03-04 02:32:53,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 02:32:53,499 INFO L471 AbstractCegarLoop]: Abstraction has 120 states and 151 transitions. [2025-03-04 02:32:53,499 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 6 states have internal predecessors, (34), 3 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2025-03-04 02:32:53,499 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 151 transitions. [2025-03-04 02:32:53,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2025-03-04 02:32:53,503 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 02:32:53,504 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 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, 1, 1] [2025-03-04 02:32:53,520 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-03-04 02:32:53,704 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2025-03-04 02:32:53,705 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 02:32:53,705 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 02:32:53,705 INFO L85 PathProgramCache]: Analyzing trace with hash -436731657, now seen corresponding path program 1 times [2025-03-04 02:32:53,706 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 02:32:53,706 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1249055522] [2025-03-04 02:32:53,706 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 02:32:53,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 02:32:57,487 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 89 statements into 1 equivalence classes. [2025-03-04 02:32:57,587 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 89 of 89 statements. [2025-03-04 02:32:57,587 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 02:32:57,587 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 02:32:58,715 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2025-03-04 02:32:58,715 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 02:32:58,715 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1249055522] [2025-03-04 02:32:58,715 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1249055522] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 02:32:58,715 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [503067639] [2025-03-04 02:32:58,715 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 02:32:58,715 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 02:32:58,716 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 02:32:58,717 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 02:32:58,719 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-03-04 02:33:02,811 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 89 statements into 1 equivalence classes. [2025-03-04 02:33:03,173 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 89 of 89 statements. [2025-03-04 02:33:03,174 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 02:33:03,174 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 02:33:03,192 INFO L256 TraceCheckSpWp]: Trace formula consists of 4195 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-03-04 02:33:03,198 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 02:33:04,249 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2025-03-04 02:33:04,249 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 02:33:04,249 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [503067639] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 02:33:04,249 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-04 02:33:04,249 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [6] total 11 [2025-03-04 02:33:04,249 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [49366118] [2025-03-04 02:33:04,249 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 02:33:04,249 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-03-04 02:33:04,249 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 02:33:04,250 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-03-04 02:33:04,250 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2025-03-04 02:33:04,251 INFO L87 Difference]: Start difference. First operand 120 states and 151 transitions. Second operand has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 7 states have internal predecessors, (48), 4 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (14), 4 states have call predecessors, (14), 4 states have call successors, (14) [2025-03-04 02:33:06,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 02:33:06,377 INFO L93 Difference]: Finished difference Result 190 states and 237 transitions. [2025-03-04 02:33:06,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-04 02:33:06,377 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 7 states have internal predecessors, (48), 4 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (14), 4 states have call predecessors, (14), 4 states have call successors, (14) Word has length 89 [2025-03-04 02:33:06,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 02:33:06,379 INFO L225 Difference]: With dead ends: 190 [2025-03-04 02:33:06,379 INFO L226 Difference]: Without dead ends: 118 [2025-03-04 02:33:06,380 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=44, Invalid=166, Unknown=0, NotChecked=0, Total=210 [2025-03-04 02:33:06,380 INFO L435 NwaCegarLoop]: 111 mSDtfsCounter, 157 mSDsluCounter, 408 mSDsCounter, 0 mSdLazyCounter, 149 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 157 SdHoareTripleChecker+Valid, 519 SdHoareTripleChecker+Invalid, 191 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 149 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2025-03-04 02:33:06,380 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [157 Valid, 519 Invalid, 191 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 149 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2025-03-04 02:33:06,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2025-03-04 02:33:06,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 118. [2025-03-04 02:33:06,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118 states, 74 states have (on average 1.162162162162162) internal successors, (86), 75 states have internal predecessors, (86), 31 states have call successors, (31), 12 states have call predecessors, (31), 12 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2025-03-04 02:33:06,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 147 transitions. [2025-03-04 02:33:06,393 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 147 transitions. Word has length 89 [2025-03-04 02:33:06,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 02:33:06,393 INFO L471 AbstractCegarLoop]: Abstraction has 118 states and 147 transitions. [2025-03-04 02:33:06,393 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 7 states have internal predecessors, (48), 4 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (14), 4 states have call predecessors, (14), 4 states have call successors, (14) [2025-03-04 02:33:06,393 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 147 transitions. [2025-03-04 02:33:06,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2025-03-04 02:33:06,394 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 02:33:06,394 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 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, 1, 1] [2025-03-04 02:33:06,411 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2025-03-04 02:33:06,595 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 02:33:06,595 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 02:33:06,595 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 02:33:06,596 INFO L85 PathProgramCache]: Analyzing trace with hash -115315227, now seen corresponding path program 1 times [2025-03-04 02:33:06,596 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 02:33:06,596 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1867142150] [2025-03-04 02:33:06,596 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 02:33:06,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 02:33:10,193 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 119 statements into 1 equivalence classes. [2025-03-04 02:33:11,827 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 119 of 119 statements. [2025-03-04 02:33:11,827 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 02:33:11,827 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 02:33:11,860 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1551673061] [2025-03-04 02:33:11,861 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 02:33:11,861 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 02:33:11,861 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 02:33:11,863 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 02:33:11,865 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-03-04 02:33:16,194 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 119 statements into 1 equivalence classes.