./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_priority_queue_init_dynamic_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 803cd42f Calling Ultimate with: /root/.sdkman/candidates/java/current/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_1.5.800.v20200727-1323.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_priority_queue_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 02a1ef197fe295e0adddb84ae3aa2db56396688008aeca91e1ab4b161b42690c --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-803cd42-m [2024-11-22 14:20:32,050 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-22 14:20:32,122 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-22 14:20:32,126 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-22 14:20:32,128 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-22 14:20:32,154 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-22 14:20:32,154 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-22 14:20:32,155 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-22 14:20:32,155 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-22 14:20:32,156 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-22 14:20:32,156 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-22 14:20:32,157 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-22 14:20:32,157 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-22 14:20:32,158 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-22 14:20:32,158 INFO L153 SettingsManager]: * Use SBE=true [2024-11-22 14:20:32,158 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-22 14:20:32,159 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-22 14:20:32,159 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-22 14:20:32,159 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-22 14:20:32,160 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-22 14:20:32,160 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-22 14:20:32,161 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-22 14:20:32,161 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-22 14:20:32,162 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-22 14:20:32,162 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-22 14:20:32,162 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-22 14:20:32,163 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-22 14:20:32,163 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-22 14:20:32,163 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-22 14:20:32,164 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 14:20:32,164 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-22 14:20:32,164 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-22 14:20:32,164 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-22 14:20:32,165 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-22 14:20:32,165 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-22 14:20:32,165 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-22 14:20:32,166 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-22 14:20:32,166 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-22 14:20:32,166 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-22 14:20:32,167 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 02a1ef197fe295e0adddb84ae3aa2db56396688008aeca91e1ab4b161b42690c [2024-11-22 14:20:32,438 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-22 14:20:32,483 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-22 14:20:32,486 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-22 14:20:32,487 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-22 14:20:32,488 INFO L274 PluginConnector]: CDTParser initialized [2024-11-22 14:20:32,490 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_priority_queue_init_dynamic_harness.i [2024-11-22 14:20:33,914 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-22 14:20:34,389 INFO L384 CDTParser]: Found 1 translation units. [2024-11-22 14:20:34,391 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_init_dynamic_harness.i [2024-11-22 14:20:34,436 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b347a2431/1cf582e09c7a43e2acc54af2d4589fd7/FLAGe528d8aef [2024-11-22 14:20:34,452 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b347a2431/1cf582e09c7a43e2acc54af2d4589fd7 [2024-11-22 14:20:34,454 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-22 14:20:34,456 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-22 14:20:34,457 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-22 14:20:34,457 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-22 14:20:34,462 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-22 14:20:34,462 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:20:34" (1/1) ... [2024-11-22 14:20:34,463 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55fc5b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:20:34, skipping insertion in model container [2024-11-22 14:20:34,463 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:20:34" (1/1) ... [2024-11-22 14:20:34,559 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-22 14:20:34,911 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_priority_queue_init_dynamic_harness.i[4505,4518] [2024-11-22 14:20:34,920 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_priority_queue_init_dynamic_harness.i[4565,4578] [2024-11-22 14:20:35,759 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:20:35,760 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:20:35,760 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:20:35,761 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:20:35,762 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:20:35,772 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:20:35,773 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:20:35,774 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:20:35,775 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:20:36,119 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:20:36,120 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:20:36,181 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 14:20:36,225 INFO L200 MainTranslator]: Completed pre-run [2024-11-22 14:20:36,236 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_priority_queue_init_dynamic_harness.i[4505,4518] [2024-11-22 14:20:36,236 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_priority_queue_init_dynamic_harness.i[4565,4578] [2024-11-22 14:20:36,303 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:20:36,304 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:20:36,304 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:20:36,304 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:20:36,306 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:20:36,315 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:20:36,317 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:20:36,319 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:20:36,319 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:20:36,453 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:20:36,459 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:20:36,467 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7703-7714] [2024-11-22 14:20:36,488 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 14:20:36,659 INFO L204 MainTranslator]: Completed translation [2024-11-22 14:20:36,660 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:20:36 WrapperNode [2024-11-22 14:20:36,660 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-22 14:20:36,661 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-22 14:20:36,661 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-22 14:20:36,662 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-22 14:20:36,668 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:20:36" (1/1) ... [2024-11-22 14:20:36,754 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:20:36" (1/1) ... [2024-11-22 14:20:36,873 INFO L138 Inliner]: procedures = 678, calls = 1530, calls flagged for inlining = 52, calls inlined = 9, statements flattened = 765 [2024-11-22 14:20:36,874 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-22 14:20:36,875 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-22 14:20:36,875 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-22 14:20:36,875 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-22 14:20:36,890 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:20:36" (1/1) ... [2024-11-22 14:20:36,890 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:20:36" (1/1) ... [2024-11-22 14:20:36,902 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:20:36" (1/1) ... [2024-11-22 14:20:36,978 INFO L175 MemorySlicer]: Split 301 memory accesses to 5 slices as follows [2, 238, 48, 8, 5]. 79 percent of accesses are in the largest equivalence class. The 15 initializations are split as follows [2, 6, 0, 2, 5]. The 252 writes are split as follows [0, 232, 19, 1, 0]. [2024-11-22 14:20:36,980 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:20:36" (1/1) ... [2024-11-22 14:20:36,980 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:20:36" (1/1) ... [2024-11-22 14:20:37,011 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:20:36" (1/1) ... [2024-11-22 14:20:37,020 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:20:36" (1/1) ... [2024-11-22 14:20:37,036 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:20:36" (1/1) ... [2024-11-22 14:20:37,046 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:20:36" (1/1) ... [2024-11-22 14:20:37,065 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-22 14:20:37,066 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-22 14:20:37,066 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-22 14:20:37,066 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-22 14:20:37,067 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:20:36" (1/1) ... [2024-11-22 14:20:37,073 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 14:20:37,084 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 14:20:37,104 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) [2024-11-22 14:20:37,106 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 [2024-11-22 14:20:37,154 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_mem_zeroed [2024-11-22 14:20:37,154 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_mem_zeroed [2024-11-22 14:20:37,154 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-22 14:20:37,156 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2024-11-22 14:20:37,156 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2024-11-22 14:20:37,157 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-22 14:20:37,157 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-22 14:20:37,157 INFO L130 BoogieDeclarations]: Found specification of procedure aws_allocator_is_valid [2024-11-22 14:20:37,158 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_allocator_is_valid [2024-11-22 14:20:37,158 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-22 14:20:37,158 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-22 14:20:37,158 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-22 14:20:37,158 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-22 14:20:37,158 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-22 14:20:37,158 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-22 14:20:37,158 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-22 14:20:37,158 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-22 14:20:37,159 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-22 14:20:37,159 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-22 14:20:37,159 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-11-22 14:20:37,159 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-11-22 14:20:37,159 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-22 14:20:37,159 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-22 14:20:37,160 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-22 14:20:37,160 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-22 14:20:37,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-22 14:20:37,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-22 14:20:37,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-22 14:20:37,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-22 14:20:37,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-22 14:20:37,160 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-22 14:20:37,160 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-22 14:20:37,161 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-22 14:20:37,161 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-22 14:20:37,161 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2024-11-22 14:20:37,161 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2024-11-22 14:20:37,161 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2024-11-22 14:20:37,162 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2024-11-22 14:20:37,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-22 14:20:37,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-22 14:20:37,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-22 14:20:37,163 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-22 14:20:37,163 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-22 14:20:37,163 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2024-11-22 14:20:37,163 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2024-11-22 14:20:37,164 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_is_valid [2024-11-22 14:20:37,164 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_is_valid [2024-11-22 14:20:37,164 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-22 14:20:37,164 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-22 14:20:37,164 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-22 14:20:37,164 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-22 14:20:37,165 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-22 14:20:37,165 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-22 14:20:37,165 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-22 14:20:37,166 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-22 14:20:37,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-22 14:20:37,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-22 14:20:37,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-22 14:20:37,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-22 14:20:37,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-22 14:20:37,166 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-22 14:20:37,166 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-22 14:20:37,166 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2024-11-22 14:20:37,167 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2024-11-22 14:20:37,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-22 14:20:37,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-22 14:20:37,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-22 14:20:37,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-22 14:20:37,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-22 14:20:37,168 INFO L130 BoogieDeclarations]: Found specification of procedure memset_impl [2024-11-22 14:20:37,168 INFO L138 BoogieDeclarations]: Found implementation of procedure memset_impl [2024-11-22 14:20:37,168 INFO L130 BoogieDeclarations]: Found specification of procedure my_memset [2024-11-22 14:20:37,168 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memset [2024-11-22 14:20:37,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-22 14:20:37,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-22 14:20:37,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-22 14:20:37,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-22 14:20:37,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-22 14:20:37,554 INFO L238 CfgBuilder]: Building ICFG [2024-11-22 14:20:37,559 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-22 14:20:43,930 INFO L? ?]: Removed 151 outVars from TransFormulas that were not future-live. [2024-11-22 14:20:43,930 INFO L287 CfgBuilder]: Performing block encoding [2024-11-22 14:20:43,950 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-22 14:20:43,951 INFO L316 CfgBuilder]: Removed 6 assume(true) statements. [2024-11-22 14:20:43,952 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:20:43 BoogieIcfgContainer [2024-11-22 14:20:43,952 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-22 14:20:43,955 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-22 14:20:43,956 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-22 14:20:43,960 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-22 14:20:43,960 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 02:20:34" (1/3) ... [2024-11-22 14:20:43,960 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@453801c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 02:20:43, skipping insertion in model container [2024-11-22 14:20:43,961 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:20:36" (2/3) ... [2024-11-22 14:20:43,961 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@453801c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 02:20:43, skipping insertion in model container [2024-11-22 14:20:43,962 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:20:43" (3/3) ... [2024-11-22 14:20:43,963 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_priority_queue_init_dynamic_harness.i [2024-11-22 14:20:43,981 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-22 14:20:43,981 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-22 14:20:44,062 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-22 14:20:44,071 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;@2ead259d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-22 14:20:44,071 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-22 14:20:44,077 INFO L276 IsEmpty]: Start isEmpty. Operand has 219 states, 141 states have (on average 1.2411347517730495) internal successors, (175), 141 states have internal predecessors, (175), 62 states have call successors, (62), 16 states have call predecessors, (62), 16 states have return successors, (62), 62 states have call predecessors, (62), 62 states have call successors, (62) [2024-11-22 14:20:44,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2024-11-22 14:20:44,092 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 14:20:44,093 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 9, 9, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 14:20:44,094 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 14:20:44,099 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 14:20:44,099 INFO L85 PathProgramCache]: Analyzing trace with hash -1438933569, now seen corresponding path program 1 times [2024-11-22 14:20:44,109 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 14:20:44,110 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2125427168] [2024-11-22 14:20:44,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 14:20:44,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 14:20:49,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 14:20:50,090 INFO L134 CoverageAnalysis]: Checked inductivity of 297 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 279 trivial. 0 not checked. [2024-11-22 14:20:50,090 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 14:20:50,091 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2125427168] [2024-11-22 14:20:50,092 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2125427168] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 14:20:50,092 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1579290559] [2024-11-22 14:20:50,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 14:20:50,093 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 14:20:50,093 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 14:20:50,096 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) [2024-11-22 14:20:50,098 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-22 14:20:56,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 14:20:56,262 INFO L255 TraceCheckSpWp]: Trace formula consists of 4413 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-22 14:20:56,274 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 14:20:56,303 INFO L134 CoverageAnalysis]: Checked inductivity of 297 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 279 trivial. 0 not checked. [2024-11-22 14:20:56,304 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 14:20:56,304 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1579290559] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 14:20:56,304 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-22 14:20:56,305 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-22 14:20:56,307 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [996257422] [2024-11-22 14:20:56,308 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 14:20:56,312 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-22 14:20:56,312 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 14:20:56,335 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-22 14:20:56,336 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-22 14:20:56,338 INFO L87 Difference]: Start difference. First operand has 219 states, 141 states have (on average 1.2411347517730495) internal successors, (175), 141 states have internal predecessors, (175), 62 states have call successors, (62), 16 states have call predecessors, (62), 16 states have return successors, (62), 62 states have call predecessors, (62), 62 states have call successors, (62) Second operand has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2024-11-22 14:20:56,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 14:20:56,388 INFO L93 Difference]: Finished difference Result 412 states and 602 transitions. [2024-11-22 14:20:56,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-22 14:20:56,390 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 144 [2024-11-22 14:20:56,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 14:20:56,404 INFO L225 Difference]: With dead ends: 412 [2024-11-22 14:20:56,404 INFO L226 Difference]: Without dead ends: 212 [2024-11-22 14:20:56,413 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 145 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-22 14:20:56,418 INFO L432 NwaCegarLoop]: 291 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, 291 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 14:20:56,419 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 291 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 14:20:56,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2024-11-22 14:20:56,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 212. [2024-11-22 14:20:56,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 212 states, 133 states have (on average 1.2105263157894737) internal successors, (161), 135 states have internal predecessors, (161), 62 states have call successors, (62), 16 states have call predecessors, (62), 16 states have return successors, (60), 60 states have call predecessors, (60), 60 states have call successors, (60) [2024-11-22 14:20:56,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 212 states and 283 transitions. [2024-11-22 14:20:56,479 INFO L78 Accepts]: Start accepts. Automaton has 212 states and 283 transitions. Word has length 144 [2024-11-22 14:20:56,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 14:20:56,480 INFO L471 AbstractCegarLoop]: Abstraction has 212 states and 283 transitions. [2024-11-22 14:20:56,481 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2024-11-22 14:20:56,481 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 283 transitions. [2024-11-22 14:20:56,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2024-11-22 14:20:56,487 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 14:20:56,487 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 9, 9, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 14:20:56,505 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-22 14:20:56,688 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 [2024-11-22 14:20:56,689 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 14:20:56,689 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 14:20:56,689 INFO L85 PathProgramCache]: Analyzing trace with hash -1947585720, now seen corresponding path program 1 times [2024-11-22 14:20:56,690 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 14:20:56,690 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1269323983] [2024-11-22 14:20:56,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 14:20:56,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 14:21:01,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 14:21:04,176 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 383 trivial. 0 not checked. [2024-11-22 14:21:04,177 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 14:21:04,177 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1269323983] [2024-11-22 14:21:04,178 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1269323983] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 14:21:04,178 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [810998345] [2024-11-22 14:21:04,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 14:21:04,180 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 14:21:04,180 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 14:21:04,182 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) [2024-11-22 14:21:04,183 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-22 14:21:10,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 14:21:10,630 INFO L255 TraceCheckSpWp]: Trace formula consists of 4561 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-22 14:21:10,644 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 14:21:13,329 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 12 proven. 21 refuted. 0 times theorem prover too weak. 359 trivial. 0 not checked. [2024-11-22 14:21:13,329 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 14:21:15,839 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 392 trivial. 0 not checked. [2024-11-22 14:21:15,839 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [810998345] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-22 14:21:15,839 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-22 14:21:15,840 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6, 10] total 16 [2024-11-22 14:21:15,840 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [699699697] [2024-11-22 14:21:15,840 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 14:21:15,841 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-22 14:21:15,842 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 14:21:15,843 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-22 14:21:15,843 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=209, Unknown=0, NotChecked=0, Total=240 [2024-11-22 14:21:15,843 INFO L87 Difference]: Start difference. First operand 212 states and 283 transitions. Second operand has 5 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2024-11-22 14:21:16,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 14:21:16,450 INFO L93 Difference]: Finished difference Result 220 states and 291 transitions. [2024-11-22 14:21:16,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-22 14:21:16,451 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) Word has length 178 [2024-11-22 14:21:16,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 14:21:16,455 INFO L225 Difference]: With dead ends: 220 [2024-11-22 14:21:16,455 INFO L226 Difference]: Without dead ends: 218 [2024-11-22 14:21:16,456 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 362 GetRequests, 347 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=35, Invalid=237, Unknown=0, NotChecked=0, Total=272 [2024-11-22 14:21:16,457 INFO L432 NwaCegarLoop]: 280 mSDtfsCounter, 3 mSDsluCounter, 822 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 1102 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-22 14:21:16,457 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 1102 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-22 14:21:16,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218 states. [2024-11-22 14:21:16,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218 to 217. [2024-11-22 14:21:16,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 217 states, 136 states have (on average 1.2058823529411764) internal successors, (164), 139 states have internal predecessors, (164), 63 states have call successors, (63), 17 states have call predecessors, (63), 17 states have return successors, (61), 60 states have call predecessors, (61), 61 states have call successors, (61) [2024-11-22 14:21:16,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 217 states and 288 transitions. [2024-11-22 14:21:16,487 INFO L78 Accepts]: Start accepts. Automaton has 217 states and 288 transitions. Word has length 178 [2024-11-22 14:21:16,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 14:21:16,488 INFO L471 AbstractCegarLoop]: Abstraction has 217 states and 288 transitions. [2024-11-22 14:21:16,488 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2024-11-22 14:21:16,488 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 288 transitions. [2024-11-22 14:21:16,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2024-11-22 14:21:16,491 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 14:21:16,491 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 9, 9, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 14:21:16,508 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-22 14:21:16,692 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,SelfDestructingSolverStorable1 [2024-11-22 14:21:16,692 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 14:21:16,693 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 14:21:16,693 INFO L85 PathProgramCache]: Analyzing trace with hash -1945738678, now seen corresponding path program 1 times [2024-11-22 14:21:16,693 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 14:21:16,693 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1531491326] [2024-11-22 14:21:16,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 14:21:16,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 14:21:21,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 14:21:23,082 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 383 trivial. 0 not checked. [2024-11-22 14:21:23,082 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 14:21:23,082 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1531491326] [2024-11-22 14:21:23,082 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1531491326] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 14:21:23,083 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1743324065] [2024-11-22 14:21:23,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 14:21:23,083 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 14:21:23,083 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 14:21:23,084 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) [2024-11-22 14:21:23,085 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-22 14:21:28,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 14:21:28,491 INFO L255 TraceCheckSpWp]: Trace formula consists of 4566 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-22 14:21:28,498 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 14:21:29,158 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 148 proven. 0 refuted. 0 times theorem prover too weak. 244 trivial. 0 not checked. [2024-11-22 14:21:29,159 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 14:21:29,159 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1743324065] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 14:21:29,159 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-22 14:21:29,159 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 9 [2024-11-22 14:21:29,159 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [828350338] [2024-11-22 14:21:29,159 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 14:21:29,160 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-22 14:21:29,160 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 14:21:29,161 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-22 14:21:29,161 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-22 14:21:29,161 INFO L87 Difference]: Start difference. First operand 217 states and 288 transitions. Second operand has 6 states, 5 states have (on average 13.8) internal successors, (69), 6 states have internal predecessors, (69), 4 states have call successors, (32), 2 states have call predecessors, (32), 4 states have return successors, (31), 4 states have call predecessors, (31), 4 states have call successors, (31) [2024-11-22 14:21:29,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 14:21:29,726 INFO L93 Difference]: Finished difference Result 402 states and 527 transitions. [2024-11-22 14:21:29,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-22 14:21:29,730 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 13.8) internal successors, (69), 6 states have internal predecessors, (69), 4 states have call successors, (32), 2 states have call predecessors, (32), 4 states have return successors, (31), 4 states have call predecessors, (31), 4 states have call successors, (31) Word has length 178 [2024-11-22 14:21:29,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 14:21:29,737 INFO L225 Difference]: With dead ends: 402 [2024-11-22 14:21:29,737 INFO L226 Difference]: Without dead ends: 217 [2024-11-22 14:21:29,739 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 185 GetRequests, 177 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2024-11-22 14:21:29,740 INFO L432 NwaCegarLoop]: 276 mSDtfsCounter, 7 mSDsluCounter, 1089 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 1365 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-22 14:21:29,741 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 1365 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-22 14:21:29,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217 states. [2024-11-22 14:21:29,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 217. [2024-11-22 14:21:29,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 217 states, 136 states have (on average 1.1985294117647058) internal successors, (163), 139 states have internal predecessors, (163), 63 states have call successors, (63), 17 states have call predecessors, (63), 17 states have return successors, (61), 60 states have call predecessors, (61), 61 states have call successors, (61) [2024-11-22 14:21:29,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 217 states and 287 transitions. [2024-11-22 14:21:29,768 INFO L78 Accepts]: Start accepts. Automaton has 217 states and 287 transitions. Word has length 178 [2024-11-22 14:21:29,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 14:21:29,769 INFO L471 AbstractCegarLoop]: Abstraction has 217 states and 287 transitions. [2024-11-22 14:21:29,769 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 13.8) internal successors, (69), 6 states have internal predecessors, (69), 4 states have call successors, (32), 2 states have call predecessors, (32), 4 states have return successors, (31), 4 states have call predecessors, (31), 4 states have call successors, (31) [2024-11-22 14:21:29,769 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 287 transitions. [2024-11-22 14:21:29,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2024-11-22 14:21:29,772 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 14:21:29,773 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 9, 9, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 14:21:29,801 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-22 14:21:29,973 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 14:21:29,974 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 14:21:29,974 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 14:21:29,974 INFO L85 PathProgramCache]: Analyzing trace with hash -1712341190, now seen corresponding path program 1 times [2024-11-22 14:21:29,975 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 14:21:29,975 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [903698971] [2024-11-22 14:21:29,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 14:21:29,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 14:21:35,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 14:21:37,367 INFO L134 CoverageAnalysis]: Checked inductivity of 394 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 383 trivial. 0 not checked. [2024-11-22 14:21:37,368 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 14:21:37,368 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [903698971] [2024-11-22 14:21:37,368 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [903698971] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 14:21:37,369 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [892891470] [2024-11-22 14:21:37,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 14:21:37,369 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 14:21:37,369 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 14:21:37,371 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) [2024-11-22 14:21:37,372 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process