./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_array_list_capacity_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8be7027f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/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_capacity_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 d58b6cbe3dbcae2c6bf4b35286cc82fa39ed49d435b7e41930b97647d699f843 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.perfect-tracechecks-8be7027-m [2024-11-12 08:33:23,271 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-12 08:33:23,346 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-12 08:33:23,350 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-12 08:33:23,354 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-12 08:33:23,382 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-12 08:33:23,383 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-12 08:33:23,384 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-12 08:33:23,384 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-12 08:33:23,386 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-12 08:33:23,386 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-12 08:33:23,387 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-12 08:33:23,387 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-12 08:33:23,389 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-12 08:33:23,389 INFO L153 SettingsManager]: * Use SBE=true [2024-11-12 08:33:23,390 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-12 08:33:23,390 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-12 08:33:23,390 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-12 08:33:23,390 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-12 08:33:23,390 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-12 08:33:23,391 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-12 08:33:23,394 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-12 08:33:23,395 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-12 08:33:23,395 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-12 08:33:23,395 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-12 08:33:23,395 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-12 08:33:23,396 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-12 08:33:23,396 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-12 08:33:23,396 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-12 08:33:23,396 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 08:33:23,396 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-12 08:33:23,397 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-12 08:33:23,397 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-12 08:33:23,397 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-12 08:33:23,397 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-12 08:33:23,397 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-12 08:33:23,397 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-12 08:33:23,398 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-12 08:33:23,398 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-12 08:33:23,398 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d58b6cbe3dbcae2c6bf4b35286cc82fa39ed49d435b7e41930b97647d699f843 [2024-11-12 08:33:23,679 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-12 08:33:23,707 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-12 08:33:23,710 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-12 08:33:23,712 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-12 08:33:23,712 INFO L274 PluginConnector]: CDTParser initialized [2024-11-12 08:33:23,713 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_array_list_capacity_harness.i [2024-11-12 08:33:25,071 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-12 08:33:25,509 INFO L384 CDTParser]: Found 1 translation units. [2024-11-12 08:33:25,510 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_array_list_capacity_harness.i [2024-11-12 08:33:25,553 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/132b628e4/3ed67de5fa4941dbb3e70c3e1a8a9de3/FLAG6243f90e7 [2024-11-12 08:33:25,671 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/132b628e4/3ed67de5fa4941dbb3e70c3e1a8a9de3 [2024-11-12 08:33:25,674 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-12 08:33:25,675 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-12 08:33:25,678 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-12 08:33:25,679 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-12 08:33:25,685 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-12 08:33:25,685 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 08:33:25" (1/1) ... [2024-11-12 08:33:25,686 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1076f3c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:33:25, skipping insertion in model container [2024-11-12 08:33:25,686 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 08:33:25" (1/1) ... [2024-11-12 08:33:25,791 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-12 08:33:26,097 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_array_list_capacity_harness.i[4497,4510] [2024-11-12 08:33:26,107 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_array_list_capacity_harness.i[4557,4570] [2024-11-12 08:33:26,941 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:33:26,943 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:33:26,944 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:33:26,945 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:33:26,946 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:33:26,960 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:33:26,961 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:33:26,966 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:33:26,967 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:33:26,968 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:33:26,969 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:33:26,969 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:33:26,970 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:33:27,410 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:33:27,418 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:33:27,494 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 08:33:27,533 INFO L200 MainTranslator]: Completed pre-run [2024-11-12 08:33:27,550 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_array_list_capacity_harness.i[4497,4510] [2024-11-12 08:33:27,551 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_array_list_capacity_harness.i[4557,4570] [2024-11-12 08:33:27,623 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:33:27,628 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:33:27,628 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:33:27,632 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:33:27,633 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:33:27,639 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:33:27,640 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:33:27,641 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:33:27,642 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:33:27,642 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:33:27,643 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:33:27,643 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:33:27,643 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:33:27,756 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:33:27,762 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:33:27,772 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7747-7758] [2024-11-12 08:33:27,795 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 08:33:28,030 INFO L204 MainTranslator]: Completed translation [2024-11-12 08:33:28,031 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:33:28 WrapperNode [2024-11-12 08:33:28,031 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-12 08:33:28,032 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-12 08:33:28,032 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-12 08:33:28,032 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-12 08:33:28,040 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:33:28" (1/1) ... [2024-11-12 08:33:28,141 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:33:28" (1/1) ... [2024-11-12 08:33:28,223 INFO L138 Inliner]: procedures = 679, calls = 1682, calls flagged for inlining = 53, calls inlined = 9, statements flattened = 617 [2024-11-12 08:33:28,224 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-12 08:33:28,224 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-12 08:33:28,224 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-12 08:33:28,225 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-12 08:33:28,240 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:33:28" (1/1) ... [2024-11-12 08:33:28,240 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:33:28" (1/1) ... [2024-11-12 08:33:28,250 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:33:28" (1/1) ... [2024-11-12 08:33:28,333 INFO L175 MemorySlicer]: Split 306 memory accesses to 6 slices as follows [2, 238, 3, 7, 6, 50]. 78 percent of accesses are in the largest equivalence class. The 24 initializations are split as follows [2, 6, 1, 5, 0, 10]. The 238 writes are split as follows [0, 232, 1, 0, 2, 3]. [2024-11-12 08:33:28,334 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:33:28" (1/1) ... [2024-11-12 08:33:28,334 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:33:28" (1/1) ... [2024-11-12 08:33:28,364 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:33:28" (1/1) ... [2024-11-12 08:33:28,367 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:33:28" (1/1) ... [2024-11-12 08:33:28,378 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:33:28" (1/1) ... [2024-11-12 08:33:28,382 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:33:28" (1/1) ... [2024-11-12 08:33:28,393 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-12 08:33:28,394 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-12 08:33:28,394 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-12 08:33:28,394 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-12 08:33:28,395 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:33:28" (1/1) ... [2024-11-12 08:33:28,401 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 08:33:28,411 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 08:33:28,428 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) [2024-11-12 08:33:28,434 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 [2024-11-12 08:33:28,537 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-12 08:33:28,537 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2024-11-12 08:33:28,537 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2024-11-12 08:33:28,537 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2024-11-12 08:33:28,538 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2024-11-12 08:33:28,538 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-12 08:33:28,538 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-12 08:33:28,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-12 08:33:28,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-12 08:33:28,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-12 08:33:28,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-12 08:33:28,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-12 08:33:28,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-12 08:33:28,540 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-12 08:33:28,540 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-12 08:33:28,540 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-12 08:33:28,541 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-12 08:33:28,541 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-12 08:33:28,541 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-12 08:33:28,541 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-11-12 08:33:28,541 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-11-12 08:33:28,542 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-12 08:33:28,543 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-12 08:33:28,543 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-12 08:33:28,543 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-12 08:33:28,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-12 08:33:28,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-12 08:33:28,545 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-12 08:33:28,545 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-12 08:33:28,545 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-12 08:33:28,545 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-12 08:33:28,546 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-12 08:33:28,546 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-12 08:33:28,547 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-12 08:33:28,547 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-12 08:33:28,547 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2024-11-12 08:33:28,548 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2024-11-12 08:33:28,562 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2024-11-12 08:33:28,562 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2024-11-12 08:33:28,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-12 08:33:28,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-12 08:33:28,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-12 08:33:28,563 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-12 08:33:28,563 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-12 08:33:28,563 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-12 08:33:28,563 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-12 08:33:28,563 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-12 08:33:28,563 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-12 08:33:28,563 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-12 08:33:28,563 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-12 08:33:28,563 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-12 08:33:28,563 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-12 08:33:28,564 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-12 08:33:28,564 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-12 08:33:28,564 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-12 08:33:28,564 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-12 08:33:28,564 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-12 08:33:28,564 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-12 08:33:28,564 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-12 08:33:28,565 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-12 08:33:28,565 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-12 08:33:28,565 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-12 08:33:28,565 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2024-11-12 08:33:28,565 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2024-11-12 08:33:28,565 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-12 08:33:28,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-12 08:33:28,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-12 08:33:28,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-12 08:33:28,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-12 08:33:28,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-12 08:33:28,570 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2024-11-12 08:33:28,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2024-11-12 08:33:28,571 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-12 08:33:28,571 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-12 08:33:28,571 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-12 08:33:28,571 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-12 08:33:28,571 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-12 08:33:28,572 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-12 08:33:28,877 INFO L238 CfgBuilder]: Building ICFG [2024-11-12 08:33:28,879 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-12 08:33:34,686 INFO L? ?]: Removed 107 outVars from TransFormulas that were not future-live. [2024-11-12 08:33:34,686 INFO L287 CfgBuilder]: Performing block encoding [2024-11-12 08:33:34,703 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-12 08:33:34,704 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-12 08:33:34,704 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 08:33:34 BoogieIcfgContainer [2024-11-12 08:33:34,705 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-12 08:33:34,707 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-12 08:33:34,708 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-12 08:33:34,711 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-12 08:33:34,711 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 08:33:25" (1/3) ... [2024-11-12 08:33:34,712 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28897659 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 08:33:34, skipping insertion in model container [2024-11-12 08:33:34,712 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:33:28" (2/3) ... [2024-11-12 08:33:34,712 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28897659 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 08:33:34, skipping insertion in model container [2024-11-12 08:33:34,712 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 08:33:34" (3/3) ... [2024-11-12 08:33:34,713 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_array_list_capacity_harness.i [2024-11-12 08:33:34,728 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-12 08:33:34,729 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-12 08:33:34,799 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-12 08:33:34,807 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;@3d71e720, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-12 08:33:34,808 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-12 08:33:34,812 INFO L276 IsEmpty]: Start isEmpty. Operand has 122 states, 77 states have (on average 1.1948051948051948) internal successors, (92), 78 states have internal predecessors, (92), 31 states have call successors, (31), 12 states have call predecessors, (31), 12 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2024-11-12 08:33:34,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-11-12 08:33:34,823 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 08:33:34,824 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 08:33:34,825 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 08:33:34,833 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 08:33:34,834 INFO L85 PathProgramCache]: Analyzing trace with hash 910857471, now seen corresponding path program 1 times [2024-11-12 08:33:34,840 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 08:33:34,841 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1242831338] [2024-11-12 08:33:34,841 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 08:33:34,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 08:33:39,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:33:40,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-12 08:33:40,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:33:40,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-12 08:33:40,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:33:40,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-12 08:33:40,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:33:40,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-12 08:33:40,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:33:40,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-12 08:33:40,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:33:40,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-12 08:33:40,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:33:40,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-12 08:33:40,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:33:40,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-12 08:33:40,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:33:40,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-12 08:33:40,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:33:40,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 08:33:40,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:33:40,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-12 08:33:41,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:33:41,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 08:33:41,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:33:41,034 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2024-11-12 08:33:41,035 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 08:33:41,036 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1242831338] [2024-11-12 08:33:41,037 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1242831338] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 08:33:41,037 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 08:33:41,037 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-12 08:33:41,039 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1159211109] [2024-11-12 08:33:41,039 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 08:33:41,043 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 08:33:41,044 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 08:33:41,066 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 08:33:41,067 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-12 08:33:41,070 INFO L87 Difference]: Start difference. First operand has 122 states, 77 states have (on average 1.1948051948051948) internal successors, (92), 78 states have internal predecessors, (92), 31 states have call successors, (31), 12 states have call predecessors, (31), 12 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) Second operand has 4 states, 4 states have (on average 7.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (13), 4 states have call predecessors, (13), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-12 08:33:45,170 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-12 08:33:49,587 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.41s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-12 08:33:53,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 08:33:53,456 INFO L93 Difference]: Finished difference Result 241 states and 327 transitions. [2024-11-12 08:33:53,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-12 08:33:53,459 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (13), 4 states have call predecessors, (13), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 74 [2024-11-12 08:33:53,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 08:33:53,467 INFO L225 Difference]: With dead ends: 241 [2024-11-12 08:33:53,467 INFO L226 Difference]: Without dead ends: 121 [2024-11-12 08:33:53,470 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-12 08:33:53,472 INFO L435 NwaCegarLoop]: 95 mSDtfsCounter, 75 mSDsluCounter, 53 mSDsCounter, 0 mSdLazyCounter, 161 mSolverCounterSat, 73 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 148 SdHoareTripleChecker+Invalid, 236 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 73 IncrementalHoareTripleChecker+Valid, 161 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.8s IncrementalHoareTripleChecker+Time [2024-11-12 08:33:53,473 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 148 Invalid, 236 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [73 Valid, 161 Invalid, 2 Unknown, 0 Unchecked, 11.8s Time] [2024-11-12 08:33:53,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2024-11-12 08:33:53,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 117. [2024-11-12 08:33:53,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 73 states have (on average 1.178082191780822) internal successors, (86), 74 states have internal predecessors, (86), 31 states have call successors, (31), 12 states have call predecessors, (31), 12 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2024-11-12 08:33:53,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 147 transitions. [2024-11-12 08:33:53,518 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 147 transitions. Word has length 74 [2024-11-12 08:33:53,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 08:33:53,519 INFO L471 AbstractCegarLoop]: Abstraction has 117 states and 147 transitions. [2024-11-12 08:33:53,519 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (13), 4 states have call predecessors, (13), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-12 08:33:53,519 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 147 transitions. [2024-11-12 08:33:53,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-11-12 08:33:53,522 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 08:33:53,522 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 08:33:53,523 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-12 08:33:53,523 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 08:33:53,523 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 08:33:53,524 INFO L85 PathProgramCache]: Analyzing trace with hash -1255854409, now seen corresponding path program 1 times [2024-11-12 08:33:53,524 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 08:33:53,524 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [750246774] [2024-11-12 08:33:53,524 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 08:33:53,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 08:33:58,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:33:59,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-12 08:33:59,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:33:59,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-12 08:33:59,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:34:00,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-12 08:34:00,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:34:00,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-12 08:34:00,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:34:00,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-12 08:34:00,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:34:00,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-12 08:34:00,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:34:00,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-12 08:34:00,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:34:00,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-12 08:34:00,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:34:01,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-12 08:34:01,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:34:01,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 08:34:01,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:34:01,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-12 08:34:01,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:34:01,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 08:34:01,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:34:01,050 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-11-12 08:34:01,051 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 08:34:01,051 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [750246774] [2024-11-12 08:34:01,051 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [750246774] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 08:34:01,051 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1750646573] [2024-11-12 08:34:01,052 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 08:34:01,052 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 08:34:01,052 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 08:34:01,054 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) [2024-11-12 08:34:01,057 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-12 08:34:06,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:34:06,624 INFO L256 TraceCheckSpWp]: Trace formula consists of 4068 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-12 08:34:06,635 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 08:34:07,778 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-12 08:34:07,778 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-12 08:34:07,779 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1750646573] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 08:34:07,779 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-12 08:34:07,779 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [7] total 11 [2024-11-12 08:34:07,782 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1187127815] [2024-11-12 08:34:07,782 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 08:34:07,783 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-12 08:34:07,783 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 08:34:07,784 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-12 08:34:07,784 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2024-11-12 08:34:07,784 INFO L87 Difference]: Start difference. First operand 117 states and 147 transitions. Second operand has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 6 states have internal predecessors, (34), 3 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-12 08:34:10,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 08:34:10,288 INFO L93 Difference]: Finished difference Result 199 states and 254 transitions. [2024-11-12 08:34:10,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-12 08:34:10,289 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 6 states have internal predecessors, (34), 3 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 74 [2024-11-12 08:34:10,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 08:34:10,291 INFO L225 Difference]: With dead ends: 199 [2024-11-12 08:34:10,291 INFO L226 Difference]: Without dead ends: 119 [2024-11-12 08:34:10,292 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2024-11-12 08:34:10,293 INFO L435 NwaCegarLoop]: 112 mSDtfsCounter, 158 mSDsluCounter, 302 mSDsCounter, 0 mSdLazyCounter, 116 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 158 SdHoareTripleChecker+Valid, 414 SdHoareTripleChecker+Invalid, 161 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-11-12 08:34:10,294 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [158 Valid, 414 Invalid, 161 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 116 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-11-12 08:34:10,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2024-11-12 08:34:10,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 119. [2024-11-12 08:34:10,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119 states, 74 states have (on average 1.1756756756756757) internal successors, (87), 76 states have internal predecessors, (87), 31 states have call successors, (31), 12 states have call predecessors, (31), 13 states have return successors, (32), 30 states have call predecessors, (32), 30 states have call successors, (32) [2024-11-12 08:34:10,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 150 transitions. [2024-11-12 08:34:10,315 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 150 transitions. Word has length 74 [2024-11-12 08:34:10,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 08:34:10,315 INFO L471 AbstractCegarLoop]: Abstraction has 119 states and 150 transitions. [2024-11-12 08:34:10,316 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 6 states have internal predecessors, (34), 3 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-12 08:34:10,316 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 150 transitions. [2024-11-12 08:34:10,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-11-12 08:34:10,318 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 08:34:10,319 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 08:34:10,344 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-12 08:34:10,519 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 08:34:10,521 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 08:34:10,524 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 08:34:10,524 INFO L85 PathProgramCache]: Analyzing trace with hash 621387583, now seen corresponding path program 1 times [2024-11-12 08:34:10,524 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 08:34:10,524 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1942536605] [2024-11-12 08:34:10,524 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 08:34:10,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 08:34:14,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:34:15,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-12 08:34:15,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:34:15,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-12 08:34:15,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:34:16,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-12 08:34:16,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:34:16,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-12 08:34:16,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:34:16,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-12 08:34:16,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:34:16,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-12 08:34:16,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:34:17,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-12 08:34:17,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:34:17,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-12 08:34:17,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:34:17,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 08:34:17,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:34:17,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-12 08:34:17,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:34:17,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-12 08:34:17,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:34:17,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-12 08:34:17,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:34:17,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-12 08:34:17,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:34:17,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-12 08:34:17,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:34:17,922 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-11-12 08:34:17,922 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 08:34:17,922 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1942536605] [2024-11-12 08:34:17,923 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1942536605] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 08:34:17,923 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1720862824] [2024-11-12 08:34:17,923 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 08:34:17,923 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 08:34:17,923 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 08:34:17,925 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) [2024-11-12 08:34:17,929 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-12 08:34:23,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:34:23,144 INFO L256 TraceCheckSpWp]: Trace formula consists of 4195 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-12 08:34:23,151 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 08:34:24,957 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2024-11-12 08:34:24,957 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-12 08:34:24,957 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1720862824] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 08:34:24,957 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-12 08:34:24,957 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [9] total 14 [2024-11-12 08:34:24,958 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1092650379] [2024-11-12 08:34:24,958 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 08:34:24,958 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-12 08:34:24,958 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 08:34:24,959 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-12 08:34:24,959 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2024-11-12 08:34:24,959 INFO L87 Difference]: Start difference. First operand 119 states and 150 transitions. Second operand has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 7 states have internal predecessors, (48), 4 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (14), 4 states have call predecessors, (14), 4 states have call successors, (14) [2024-11-12 08:34:28,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 08:34:28,106 INFO L93 Difference]: Finished difference Result 189 states and 236 transitions. [2024-11-12 08:34:28,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-12 08:34:28,107 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 7 states have internal predecessors, (48), 4 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (14), 4 states have call predecessors, (14), 4 states have call successors, (14) Word has length 89 [2024-11-12 08:34:28,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 08:34:28,109 INFO L225 Difference]: With dead ends: 189 [2024-11-12 08:34:28,109 INFO L226 Difference]: Without dead ends: 117 [2024-11-12 08:34:28,110 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 4.0s TimeCoverageRelationStatistics Valid=51, Invalid=255, Unknown=0, NotChecked=0, Total=306 [2024-11-12 08:34:28,112 INFO L435 NwaCegarLoop]: 111 mSDtfsCounter, 157 mSDsluCounter, 408 mSDsCounter, 0 mSdLazyCounter, 149 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 157 SdHoareTripleChecker+Valid, 519 SdHoareTripleChecker+Invalid, 191 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 149 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2024-11-12 08:34:28,113 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [157 Valid, 519 Invalid, 191 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 149 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2024-11-12 08:34:28,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2024-11-12 08:34:28,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 117. [2024-11-12 08:34:28,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 73 states have (on average 1.1643835616438356) internal successors, (85), 74 states have internal predecessors, (85), 31 states have call successors, (31), 12 states have call predecessors, (31), 12 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2024-11-12 08:34:28,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 146 transitions. [2024-11-12 08:34:28,132 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 146 transitions. Word has length 89 [2024-11-12 08:34:28,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 08:34:28,132 INFO L471 AbstractCegarLoop]: Abstraction has 117 states and 146 transitions. [2024-11-12 08:34:28,133 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 7 states have internal predecessors, (48), 4 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (14), 4 states have call predecessors, (14), 4 states have call successors, (14) [2024-11-12 08:34:28,133 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 146 transitions. [2024-11-12 08:34:28,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-11-12 08:34:28,138 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 08:34:28,138 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 08:34:28,162 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-12 08:34:28,339 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2024-11-12 08:34:28,339 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 08:34:28,340 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 08:34:28,340 INFO L85 PathProgramCache]: Analyzing trace with hash -994577873, now seen corresponding path program 1 times [2024-11-12 08:34:28,340 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 08:34:28,340 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [913231707] [2024-11-12 08:34:28,340 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 08:34:28,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 08:34:34,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-12 08:34:34,747 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [461049277] [2024-11-12 08:34:34,747 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 08:34:34,747 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 08:34:34,747 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 08:34:34,750 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) [2024-11-12 08:34:34,751 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process