./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_array_list_swap_harness_negated.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_array_list_swap_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 f13d223fa70379f8cd684d69e06e46c80e83d85aad0c82c0b48e3125c1bca56a --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-803cd42-m [2024-11-22 14:02:50,245 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-22 14:02:50,322 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-22 14:02:50,326 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-22 14:02:50,326 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-22 14:02:50,345 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-22 14:02:50,346 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-22 14:02:50,346 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-22 14:02:50,347 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-22 14:02:50,348 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-22 14:02:50,348 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-22 14:02:50,349 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-22 14:02:50,349 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-22 14:02:50,349 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-22 14:02:50,351 INFO L153 SettingsManager]: * Use SBE=true [2024-11-22 14:02:50,352 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-22 14:02:50,352 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-22 14:02:50,352 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-22 14:02:50,352 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-22 14:02:50,352 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-22 14:02:50,353 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-22 14:02:50,353 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-22 14:02:50,353 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-22 14:02:50,353 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-22 14:02:50,353 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-22 14:02:50,354 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-22 14:02:50,354 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-22 14:02:50,354 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-22 14:02:50,354 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-22 14:02:50,354 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 14:02:50,355 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-22 14:02:50,355 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-22 14:02:50,355 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-22 14:02:50,355 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-22 14:02:50,356 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-22 14:02:50,356 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-22 14:02:50,356 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-22 14:02:50,356 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-22 14:02:50,356 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-22 14:02:50,357 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f13d223fa70379f8cd684d69e06e46c80e83d85aad0c82c0b48e3125c1bca56a [2024-11-22 14:02:50,545 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-22 14:02:50,567 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-22 14:02:50,569 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-22 14:02:50,570 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-22 14:02:50,571 INFO L274 PluginConnector]: CDTParser initialized [2024-11-22 14:02:50,572 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_array_list_swap_harness_negated.i [2024-11-22 14:02:51,759 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-22 14:02:52,091 INFO L384 CDTParser]: Found 1 translation units. [2024-11-22 14:02:52,092 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_array_list_swap_harness_negated.i [2024-11-22 14:02:52,121 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/542540469/bde30c00b4384a15bce122d45066316f/FLAGeca3adc87 [2024-11-22 14:02:52,135 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/542540469/bde30c00b4384a15bce122d45066316f [2024-11-22 14:02:52,137 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-22 14:02:52,138 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-22 14:02:52,144 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-22 14:02:52,145 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-22 14:02:52,149 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-22 14:02:52,149 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:02:52" (1/1) ... [2024-11-22 14:02:52,151 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59c3bd8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:02:52, skipping insertion in model container [2024-11-22 14:02:52,151 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:02:52" (1/1) ... [2024-11-22 14:02:52,254 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-22 14:02:52,460 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_swap_harness_negated.i[4493,4506] [2024-11-22 14:02:52,468 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_swap_harness_negated.i[4553,4566] [2024-11-22 14:02:53,030 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:02:53,030 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:02:53,030 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:02:53,031 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:02:53,032 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:02:53,048 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:02:53,049 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:02:53,051 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:02:53,053 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:02:53,055 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:02:53,055 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:02:53,056 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:02:53,058 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:02:53,353 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:02:53,354 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:02:53,357 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:02:53,363 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:02:53,399 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 14:02:53,431 INFO L200 MainTranslator]: Completed pre-run [2024-11-22 14:02:53,441 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_swap_harness_negated.i[4493,4506] [2024-11-22 14:02:53,444 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_swap_harness_negated.i[4553,4566] [2024-11-22 14:02:53,507 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:02:53,508 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:02:53,508 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:02:53,508 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:02:53,509 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:02:53,513 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:02:53,514 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:02:53,515 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:02:53,515 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:02:53,516 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:02:53,516 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:02:53,516 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:02:53,517 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:02:53,637 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:02:53,637 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:02:53,638 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:02:53,645 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:02:53,652 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7743-7754] [2024-11-22 14:02:53,678 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 14:02:53,877 INFO L204 MainTranslator]: Completed translation [2024-11-22 14:02:53,878 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:02:53 WrapperNode [2024-11-22 14:02:53,878 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-22 14:02:53,879 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-22 14:02:53,879 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-22 14:02:53,879 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-22 14:02:53,884 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:02:53" (1/1) ... [2024-11-22 14:02:53,949 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:02:53" (1/1) ... [2024-11-22 14:02:54,057 INFO L138 Inliner]: procedures = 680, calls = 1677, calls flagged for inlining = 52, calls inlined = 8, statements flattened = 654 [2024-11-22 14:02:54,058 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-22 14:02:54,058 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-22 14:02:54,058 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-22 14:02:54,059 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-22 14:02:54,069 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:02:53" (1/1) ... [2024-11-22 14:02:54,069 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:02:53" (1/1) ... [2024-11-22 14:02:54,075 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:02:53" (1/1) ... [2024-11-22 14:02:54,153 INFO L175 MemorySlicer]: Split 302 memory accesses to 7 slices as follows [238, 2, 9, 6, 5, 39, 3]. 79 percent of accesses are in the largest equivalence class. The 26 initializations are split as follows [6, 2, 5, 5, 2, 5, 1]. The 238 writes are split as follows [232, 0, 0, 1, 1, 3, 1]. [2024-11-22 14:02:54,154 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:02:53" (1/1) ... [2024-11-22 14:02:54,154 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:02:53" (1/1) ... [2024-11-22 14:02:54,194 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:02:53" (1/1) ... [2024-11-22 14:02:54,198 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:02:53" (1/1) ... [2024-11-22 14:02:54,215 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:02:53" (1/1) ... [2024-11-22 14:02:54,219 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:02:53" (1/1) ... [2024-11-22 14:02:54,228 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-22 14:02:54,229 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-22 14:02:54,229 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-22 14:02:54,230 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-22 14:02:54,230 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:02:53" (1/1) ... [2024-11-22 14:02:54,240 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 14:02:54,248 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 14:02:54,268 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 14:02:54,272 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 14:02:54,310 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-22 14:02:54,311 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2024-11-22 14:02:54,311 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2024-11-22 14:02:54,311 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2024-11-22 14:02:54,312 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2024-11-22 14:02:54,312 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-22 14:02:54,312 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-22 14:02:54,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-22 14:02:54,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-22 14:02:54,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-22 14:02:54,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-22 14:02:54,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-22 14:02:54,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-22 14:02:54,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-22 14:02:54,313 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-22 14:02:54,314 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-22 14:02:54,314 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-22 14:02:54,314 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-22 14:02:54,314 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-22 14:02:54,315 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-22 14:02:54,315 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-22 14:02:54,315 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-11-22 14:02:54,315 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-11-22 14:02:54,316 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-22 14:02:54,316 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-22 14:02:54,316 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-22 14:02:54,316 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-22 14:02:54,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-22 14:02:54,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-22 14:02:54,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-22 14:02:54,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-22 14:02:54,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-22 14:02:54,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-22 14:02:54,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-22 14:02:54,317 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2024-11-22 14:02:54,317 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2024-11-22 14:02:54,318 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-22 14:02:54,318 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-22 14:02:54,318 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-22 14:02:54,318 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-22 14:02:54,319 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2024-11-22 14:02:54,319 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2024-11-22 14:02:54,319 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-22 14:02:54,319 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-22 14:02:54,319 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-22 14:02:54,319 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-22 14:02:54,319 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-22 14:02:54,319 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-22 14:02:54,319 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-22 14:02:54,320 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_length [2024-11-22 14:02:54,320 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_length [2024-11-22 14:02:54,320 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-22 14:02:54,320 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-22 14:02:54,320 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2024-11-22 14:02:54,320 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2024-11-22 14:02:54,321 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-22 14:02:54,321 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-22 14:02:54,321 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-22 14:02:54,321 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-22 14:02:54,321 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-22 14:02:54,321 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-22 14:02:54,322 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-22 14:02:54,322 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-22 14:02:54,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-22 14:02:54,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-22 14:02:54,323 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-22 14:02:54,323 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-22 14:02:54,323 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-22 14:02:54,323 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-22 14:02:54,323 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-22 14:02:54,323 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_get_at_ptr [2024-11-22 14:02:54,323 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_get_at_ptr [2024-11-22 14:02:54,323 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-22 14:02:54,324 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-22 14:02:54,324 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2024-11-22 14:02:54,324 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2024-11-22 14:02:54,324 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-22 14:02:54,324 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-22 14:02:54,324 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-22 14:02:54,324 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-22 14:02:54,324 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-22 14:02:54,324 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-22 14:02:54,324 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-22 14:02:54,324 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2024-11-22 14:02:54,324 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2024-11-22 14:02:54,324 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-22 14:02:54,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-22 14:02:54,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-22 14:02:54,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-22 14:02:54,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-22 14:02:54,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-22 14:02:54,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-22 14:02:54,582 INFO L238 CfgBuilder]: Building ICFG [2024-11-22 14:02:54,585 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-22 14:03:00,687 INFO L? ?]: Removed 108 outVars from TransFormulas that were not future-live. [2024-11-22 14:03:00,688 INFO L287 CfgBuilder]: Performing block encoding [2024-11-22 14:03:00,703 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-22 14:03:00,705 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-22 14:03:00,706 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:03:00 BoogieIcfgContainer [2024-11-22 14:03:00,706 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-22 14:03:00,708 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-22 14:03:00,708 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-22 14:03:00,711 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-22 14:03:00,711 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 02:02:52" (1/3) ... [2024-11-22 14:03:00,711 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a9af9ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 02:03:00, skipping insertion in model container [2024-11-22 14:03:00,712 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:02:53" (2/3) ... [2024-11-22 14:03:00,712 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a9af9ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 02:03:00, skipping insertion in model container [2024-11-22 14:03:00,712 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:03:00" (3/3) ... [2024-11-22 14:03:00,713 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_array_list_swap_harness_negated.i [2024-11-22 14:03:00,726 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-22 14:03:00,726 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-22 14:03:00,784 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-22 14:03:00,791 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;@55856e21, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-22 14:03:00,792 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-22 14:03:00,799 INFO L276 IsEmpty]: Start isEmpty. Operand has 180 states, 102 states have (on average 1.1666666666666667) internal successors, (119), 103 states have internal predecessors, (119), 61 states have call successors, (61), 15 states have call predecessors, (61), 15 states have return successors, (61), 61 states have call predecessors, (61), 61 states have call successors, (61) [2024-11-22 14:03:00,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-11-22 14:03:00,841 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 14:03:00,842 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 14:03:00,843 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 14:03:00,849 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 14:03:00,850 INFO L85 PathProgramCache]: Analyzing trace with hash -1076027669, now seen corresponding path program 1 times [2024-11-22 14:03:00,856 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 14:03:00,857 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [282587167] [2024-11-22 14:03:00,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 14:03:00,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 14:03:05,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 14:03:06,212 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-22 14:03:06,212 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 14:03:06,212 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [282587167] [2024-11-22 14:03:06,213 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [282587167] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 14:03:06,213 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1879210977] [2024-11-22 14:03:06,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 14:03:06,213 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 14:03:06,214 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 14:03:06,216 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 14:03:06,217 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 14:03:11,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 14:03:11,382 INFO L255 TraceCheckSpWp]: Trace formula consists of 4013 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-22 14:03:11,395 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 14:03:11,414 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-22 14:03:11,415 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 14:03:11,416 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1879210977] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 14:03:11,416 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-22 14:03:11,416 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-22 14:03:11,418 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1033380673] [2024-11-22 14:03:11,418 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 14:03:11,422 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-22 14:03:11,424 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 14:03:11,440 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-22 14:03:11,440 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-22 14:03:11,442 INFO L87 Difference]: Start difference. First operand has 180 states, 102 states have (on average 1.1666666666666667) internal successors, (119), 103 states have internal predecessors, (119), 61 states have call successors, (61), 15 states have call predecessors, (61), 15 states have return successors, (61), 61 states have call predecessors, (61), 61 states have call successors, (61) Second operand has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-22 14:03:11,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 14:03:11,477 INFO L93 Difference]: Finished difference Result 353 states and 517 transitions. [2024-11-22 14:03:11,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-22 14:03:11,482 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 69 [2024-11-22 14:03:11,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 14:03:11,489 INFO L225 Difference]: With dead ends: 353 [2024-11-22 14:03:11,489 INFO L226 Difference]: Without dead ends: 175 [2024-11-22 14:03:11,494 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-22 14:03:11,496 INFO L432 NwaCegarLoop]: 238 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, 238 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 14:03:11,497 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 238 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 14:03:11,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2024-11-22 14:03:11,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 175. [2024-11-22 14:03:11,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 175 states, 98 states have (on average 1.1428571428571428) internal successors, (112), 99 states have internal predecessors, (112), 61 states have call successors, (61), 15 states have call predecessors, (61), 15 states have return successors, (60), 60 states have call predecessors, (60), 60 states have call successors, (60) [2024-11-22 14:03:11,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 233 transitions. [2024-11-22 14:03:11,540 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 233 transitions. Word has length 69 [2024-11-22 14:03:11,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 14:03:11,541 INFO L471 AbstractCegarLoop]: Abstraction has 175 states and 233 transitions. [2024-11-22 14:03:11,541 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-22 14:03:11,541 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 233 transitions. [2024-11-22 14:03:11,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-11-22 14:03:11,544 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 14:03:11,544 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 14:03:11,559 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 14:03:11,744 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 14:03:11,745 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 14:03:11,746 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 14:03:11,746 INFO L85 PathProgramCache]: Analyzing trace with hash -1936245199, now seen corresponding path program 1 times [2024-11-22 14:03:11,746 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 14:03:11,746 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1767227034] [2024-11-22 14:03:11,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 14:03:11,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 14:03:16,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 14:03:17,013 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2024-11-22 14:03:17,014 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 14:03:17,014 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1767227034] [2024-11-22 14:03:17,014 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1767227034] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 14:03:17,015 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [505326825] [2024-11-22 14:03:17,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 14:03:17,015 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 14:03:17,015 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 14:03:17,017 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 14:03:17,019 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 14:03:22,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 14:03:22,233 INFO L255 TraceCheckSpWp]: Trace formula consists of 4013 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-22 14:03:22,238 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 14:03:22,870 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-22 14:03:22,873 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 14:03:22,873 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [505326825] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 14:03:22,876 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-22 14:03:22,876 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [5] total 9 [2024-11-22 14:03:22,876 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [457680943] [2024-11-22 14:03:22,877 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 14:03:22,877 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-22 14:03:22,877 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 14:03:22,878 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-22 14:03:22,878 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-22 14:03:22,878 INFO L87 Difference]: Start difference. First operand 175 states and 233 transitions. Second operand has 6 states, 6 states have (on average 5.5) internal successors, (33), 6 states have internal predecessors, (33), 3 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2024-11-22 14:03:25,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 14:03:25,316 INFO L93 Difference]: Finished difference Result 315 states and 432 transitions. [2024-11-22 14:03:25,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-22 14:03:25,316 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.5) internal successors, (33), 6 states have internal predecessors, (33), 3 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 69 [2024-11-22 14:03:25,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 14:03:25,320 INFO L225 Difference]: With dead ends: 315 [2024-11-22 14:03:25,320 INFO L226 Difference]: Without dead ends: 177 [2024-11-22 14:03:25,321 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2024-11-22 14:03:25,322 INFO L432 NwaCegarLoop]: 179 mSDtfsCounter, 238 mSDsluCounter, 487 mSDsCounter, 0 mSdLazyCounter, 190 mSolverCounterSat, 71 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 243 SdHoareTripleChecker+Valid, 666 SdHoareTripleChecker+Invalid, 261 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 71 IncrementalHoareTripleChecker+Valid, 190 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2024-11-22 14:03:25,322 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [243 Valid, 666 Invalid, 261 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [71 Valid, 190 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2024-11-22 14:03:25,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 177 states. [2024-11-22 14:03:25,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 177 to 177. [2024-11-22 14:03:25,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 177 states, 99 states have (on average 1.1414141414141414) internal successors, (113), 101 states have internal predecessors, (113), 61 states have call successors, (61), 15 states have call predecessors, (61), 16 states have return successors, (68), 60 states have call predecessors, (68), 60 states have call successors, (68) [2024-11-22 14:03:25,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 242 transitions. [2024-11-22 14:03:25,341 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 242 transitions. Word has length 69 [2024-11-22 14:03:25,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 14:03:25,342 INFO L471 AbstractCegarLoop]: Abstraction has 177 states and 242 transitions. [2024-11-22 14:03:25,342 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.5) internal successors, (33), 6 states have internal predecessors, (33), 3 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2024-11-22 14:03:25,342 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 242 transitions. [2024-11-22 14:03:25,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-11-22 14:03:25,344 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 14:03:25,344 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 14:03:25,360 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-22 14:03:25,544 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 14:03:25,546 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 14:03:25,546 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 14:03:25,546 INFO L85 PathProgramCache]: Analyzing trace with hash 929841439, now seen corresponding path program 1 times [2024-11-22 14:03:25,546 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 14:03:25,547 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1606237560] [2024-11-22 14:03:25,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 14:03:25,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 14:03:29,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 14:03:30,848 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2024-11-22 14:03:30,849 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 14:03:30,850 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1606237560] [2024-11-22 14:03:30,850 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1606237560] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 14:03:30,850 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [197451619] [2024-11-22 14:03:30,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 14:03:30,851 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 14:03:30,851 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 14:03:30,854 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 14:03:30,855 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 14:03:35,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 14:03:35,641 INFO L255 TraceCheckSpWp]: Trace formula consists of 4140 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-22 14:03:35,646 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 14:03:36,879 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-22 14:03:36,879 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 14:03:36,879 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [197451619] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 14:03:36,879 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-22 14:03:36,879 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [7] total 13 [2024-11-22 14:03:36,879 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [46343488] [2024-11-22 14:03:36,879 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 14:03:36,880 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-22 14:03:36,880 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 14:03:36,881 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-22 14:03:36,881 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2024-11-22 14:03:36,881 INFO L87 Difference]: Start difference. First operand 177 states and 242 transitions. Second operand has 8 states, 8 states have (on average 5.875) internal successors, (47), 7 states have internal predecessors, (47), 4 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (13), 4 states have call predecessors, (13), 4 states have call successors, (13) [2024-11-22 14:03:40,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 14:03:40,858 INFO L93 Difference]: Finished difference Result 326 states and 455 transitions. [2024-11-22 14:03:40,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-22 14:03:40,859 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.875) internal successors, (47), 7 states have internal predecessors, (47), 4 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (13), 4 states have call predecessors, (13), 4 states have call successors, (13) Word has length 84 [2024-11-22 14:03:40,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 14:03:40,862 INFO L225 Difference]: With dead ends: 326 [2024-11-22 14:03:40,862 INFO L226 Difference]: Without dead ends: 189 [2024-11-22 14:03:40,863 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=54, Invalid=252, Unknown=0, NotChecked=0, Total=306 [2024-11-22 14:03:40,863 INFO L432 NwaCegarLoop]: 173 mSDtfsCounter, 258 mSDsluCounter, 820 mSDsCounter, 0 mSdLazyCounter, 335 mSolverCounterSat, 86 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 263 SdHoareTripleChecker+Valid, 993 SdHoareTripleChecker+Invalid, 421 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 86 IncrementalHoareTripleChecker+Valid, 335 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2024-11-22 14:03:40,864 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [263 Valid, 993 Invalid, 421 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [86 Valid, 335 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2024-11-22 14:03:40,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 189 states. [2024-11-22 14:03:40,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 189 to 189. [2024-11-22 14:03:40,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 189 states, 105 states have (on average 1.1428571428571428) internal successors, (120), 107 states have internal predecessors, (120), 66 states have call successors, (66), 16 states have call predecessors, (66), 17 states have return successors, (73), 65 states have call predecessors, (73), 65 states have call successors, (73) [2024-11-22 14:03:40,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 189 states and 259 transitions. [2024-11-22 14:03:40,887 INFO L78 Accepts]: Start accepts. Automaton has 189 states and 259 transitions. Word has length 84 [2024-11-22 14:03:40,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 14:03:40,887 INFO L471 AbstractCegarLoop]: Abstraction has 189 states and 259 transitions. [2024-11-22 14:03:40,888 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.875) internal successors, (47), 7 states have internal predecessors, (47), 4 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (13), 4 states have call predecessors, (13), 4 states have call successors, (13) [2024-11-22 14:03:40,888 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 259 transitions. [2024-11-22 14:03:40,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-11-22 14:03:40,895 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 14:03:40,895 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 14:03:40,913 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 14:03:41,095 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 14:03:41,096 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 14:03:41,096 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 14:03:41,096 INFO L85 PathProgramCache]: Analyzing trace with hash -2047267727, now seen corresponding path program 1 times [2024-11-22 14:03:41,097 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 14:03:41,097 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [129697300] [2024-11-22 14:03:41,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 14:03:41,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 14:03:49,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 14:03:49,431 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [271486527] [2024-11-22 14:03:49,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 14:03:49,432 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 14:03:49,432 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 14:03:49,434 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 14:03:49,435 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process