./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_array_list_set_at_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c7c6ca5d 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_set_at_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 14628bdc2b5dee98fd531ba30b57569c060efa6ead93e7c2de47c8a88cf53b5a --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-09 02:58:54,492 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 02:58:54,571 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-09 02:58:54,577 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 02:58:54,579 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 02:58:54,610 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 02:58:54,611 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 02:58:54,611 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 02:58:54,612 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 02:58:54,612 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 02:58:54,613 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 02:58:54,613 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 02:58:54,614 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 02:58:54,614 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 02:58:54,615 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 02:58:54,615 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 02:58:54,615 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 02:58:54,616 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 02:58:54,616 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 02:58:54,617 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 02:58:54,617 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 02:58:54,618 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 02:58:54,619 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 02:58:54,621 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 02:58:54,622 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 02:58:54,622 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 02:58:54,622 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 02:58:54,622 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 02:58:54,623 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 02:58:54,623 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 02:58:54,623 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 02:58:54,624 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 02:58:54,624 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 02:58:54,627 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 02:58:54,627 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 02:58:54,627 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 02:58:54,628 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 02:58:54,628 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 02:58:54,628 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 02:58:54,629 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 14628bdc2b5dee98fd531ba30b57569c060efa6ead93e7c2de47c8a88cf53b5a [2024-11-09 02:58:54,880 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 02:58:54,913 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 02:58:54,918 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 02:58:54,919 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 02:58:54,920 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 02:58:54,921 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_array_list_set_at_harness.i [2024-11-09 02:58:56,348 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 02:58:56,818 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 02:58:56,819 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_array_list_set_at_harness.i [2024-11-09 02:58:56,857 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c355ed269/f0afbf5808c34cbe87c10aec642c6b20/FLAG92261a818 [2024-11-09 02:58:56,927 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c355ed269/f0afbf5808c34cbe87c10aec642c6b20 [2024-11-09 02:58:56,930 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 02:58:56,931 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 02:58:56,933 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 02:58:56,933 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 02:58:56,938 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 02:58:56,938 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 02:58:56" (1/1) ... [2024-11-09 02:58:56,939 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d38934e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:58:56, skipping insertion in model container [2024-11-09 02:58:56,939 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 02:58:56" (1/1) ... [2024-11-09 02:58:57,069 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 02:58:57,354 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_set_at_harness.i[4495,4508] [2024-11-09 02:58:57,362 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_set_at_harness.i[4555,4568] [2024-11-09 02:58:58,030 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:58:58,030 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:58:58,031 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:58:58,031 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:58:58,032 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:58:58,043 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:58:58,045 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:58:58,047 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:58:58,050 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:58:58,052 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:58:58,052 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:58:58,053 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:58:58,056 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:58:58,510 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:58:58,515 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:58:58,561 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:58:58,561 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:58:58,562 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:58:58,564 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 02:58:58,605 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 02:58:58,623 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_set_at_harness.i[4495,4508] [2024-11-09 02:58:58,624 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_set_at_harness.i[4555,4568] [2024-11-09 02:58:58,695 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:58:58,696 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:58:58,696 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:58:58,697 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:58:58,697 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:58:58,704 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:58:58,704 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:58:58,705 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:58:58,705 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:58:58,706 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:58:58,707 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:58:58,707 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:58:58,708 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:58:58,809 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:58:58,817 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:58:58,825 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7770-7781] [2024-11-09 02:58:58,841 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:58:58,842 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:58:58,842 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:58:58,847 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 02:58:59,151 INFO L204 MainTranslator]: Completed translation [2024-11-09 02:58:59,152 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:58:59 WrapperNode [2024-11-09 02:58:59,152 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 02:58:59,153 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 02:58:59,153 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 02:58:59,153 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 02:58:59,160 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:58:59" (1/1) ... [2024-11-09 02:58:59,249 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:58:59" (1/1) ... [2024-11-09 02:58:59,323 INFO L138 Inliner]: procedures = 680, calls = 1678, calls flagged for inlining = 50, calls inlined = 10, statements flattened = 850 [2024-11-09 02:58:59,323 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 02:58:59,324 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 02:58:59,324 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 02:58:59,324 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 02:58:59,335 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:58:59" (1/1) ... [2024-11-09 02:58:59,337 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:58:59" (1/1) ... [2024-11-09 02:58:59,352 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:58:59" (1/1) ... [2024-11-09 02:58:59,454 INFO L175 MemorySlicer]: Split 332 memory accesses to 6 slices as follows [2, 238, 6, 8, 72, 6]. 72 percent of accesses are in the largest equivalence class. The 24 initializations are split as follows [2, 6, 0, 5, 10, 1]. The 241 writes are split as follows [0, 232, 2, 0, 6, 1]. [2024-11-09 02:58:59,458 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:58:59" (1/1) ... [2024-11-09 02:58:59,458 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:58:59" (1/1) ... [2024-11-09 02:58:59,491 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:58:59" (1/1) ... [2024-11-09 02:58:59,494 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:58:59" (1/1) ... [2024-11-09 02:58:59,502 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:58:59" (1/1) ... [2024-11-09 02:58:59,509 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:58:59" (1/1) ... [2024-11-09 02:58:59,522 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 02:58:59,523 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 02:58:59,523 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 02:58:59,523 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 02:58:59,525 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:58:59" (1/1) ... [2024-11-09 02:58:59,541 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 02:58:59,552 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 02:58:59,571 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) [2024-11-09 02:58:59,575 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 [2024-11-09 02:58:59,682 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-09 02:58:59,683 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2024-11-09 02:58:59,683 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2024-11-09 02:58:59,683 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2024-11-09 02:58:59,683 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2024-11-09 02:58:59,684 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-09 02:58:59,684 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-09 02:58:59,684 INFO L130 BoogieDeclarations]: Found specification of procedure aws_allocator_is_valid [2024-11-09 02:58:59,684 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_allocator_is_valid [2024-11-09 02:58:59,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-09 02:58:59,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-09 02:58:59,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-09 02:58:59,685 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-09 02:58:59,685 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-09 02:58:59,685 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-09 02:58:59,685 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-09 02:58:59,685 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-09 02:58:59,685 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-09 02:58:59,685 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-09 02:58:59,686 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-09 02:58:59,686 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-09 02:58:59,686 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-11-09 02:58:59,686 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-11-09 02:58:59,686 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-09 02:58:59,686 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-09 02:58:59,686 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-09 02:58:59,687 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 02:58:59,687 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-09 02:58:59,687 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-09 02:58:59,687 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-09 02:58:59,687 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-09 02:58:59,687 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-09 02:58:59,687 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-09 02:58:59,688 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2024-11-09 02:58:59,688 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2024-11-09 02:58:59,688 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 02:58:59,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 02:58:59,688 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-09 02:58:59,688 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-09 02:58:59,688 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2024-11-09 02:58:59,689 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2024-11-09 02:58:59,689 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2024-11-09 02:58:59,689 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2024-11-09 02:58:59,689 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2024-11-09 02:58:59,689 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2024-11-09 02:58:59,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-09 02:58:59,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-09 02:58:59,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-09 02:58:59,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-09 02:58:59,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-09 02:58:59,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-09 02:58:59,690 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2024-11-09 02:58:59,690 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2024-11-09 02:58:59,690 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_release [2024-11-09 02:58:59,691 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_release [2024-11-09 02:58:59,691 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_length [2024-11-09 02:58:59,691 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_length [2024-11-09 02:58:59,691 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 02:58:59,691 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 02:58:59,691 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2024-11-09 02:58:59,691 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2024-11-09 02:58:59,691 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_acquire [2024-11-09 02:58:59,692 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_acquire [2024-11-09 02:58:59,692 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-09 02:58:59,692 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2024-11-09 02:58:59,692 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2024-11-09 02:58:59,692 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-09 02:58:59,692 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-09 02:58:59,692 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-09 02:58:59,692 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-09 02:58:59,692 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-09 02:58:59,693 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-09 02:58:59,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-09 02:58:59,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-09 02:58:59,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-09 02:58:59,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-09 02:58:59,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-09 02:58:59,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-09 02:58:59,693 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-09 02:58:59,693 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-09 02:58:59,693 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2024-11-09 02:58:59,693 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2024-11-09 02:58:59,693 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2024-11-09 02:58:59,694 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2024-11-09 02:58:59,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-09 02:58:59,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-09 02:58:59,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-09 02:58:59,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-09 02:58:59,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-09 02:58:59,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-09 02:58:59,694 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2024-11-09 02:58:59,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2024-11-09 02:58:59,694 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_set_at [2024-11-09 02:58:59,694 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_set_at [2024-11-09 02:58:59,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-09 02:58:59,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-09 02:58:59,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-09 02:58:59,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-09 02:58:59,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-09 02:58:59,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-09 02:59:00,095 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 02:59:00,098 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 02:59:06,337 INFO L? ?]: Removed 167 outVars from TransFormulas that were not future-live. [2024-11-09 02:59:06,337 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 02:59:06,361 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 02:59:06,364 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 02:59:06,365 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 02:59:06 BoogieIcfgContainer [2024-11-09 02:59:06,365 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 02:59:06,367 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 02:59:06,367 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 02:59:06,372 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 02:59:06,372 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 02:58:56" (1/3) ... [2024-11-09 02:59:06,374 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@97ad980 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 02:59:06, skipping insertion in model container [2024-11-09 02:59:06,375 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:58:59" (2/3) ... [2024-11-09 02:59:06,376 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@97ad980 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 02:59:06, skipping insertion in model container [2024-11-09 02:59:06,376 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 02:59:06" (3/3) ... [2024-11-09 02:59:06,377 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_array_list_set_at_harness.i [2024-11-09 02:59:06,393 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 02:59:06,393 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 02:59:06,474 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 02:59:06,483 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;@57852c9c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 02:59:06,483 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 02:59:06,488 INFO L276 IsEmpty]: Start isEmpty. Operand has 288 states, 167 states have (on average 1.215568862275449) internal successors, (203), 169 states have internal predecessors, (203), 96 states have call successors, (96), 23 states have call predecessors, (96), 23 states have return successors, (96), 96 states have call predecessors, (96), 96 states have call successors, (96) [2024-11-09 02:59:06,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2024-11-09 02:59:06,506 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 02:59:06,507 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 6, 6, 6, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 02:59:06,508 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 02:59:06,513 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 02:59:06,513 INFO L85 PathProgramCache]: Analyzing trace with hash -1931342552, now seen corresponding path program 1 times [2024-11-09 02:59:06,522 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 02:59:06,523 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1360017237] [2024-11-09 02:59:06,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 02:59:06,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 02:59:12,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:59:13,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 02:59:13,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:59:13,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 02:59:13,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:59:14,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 02:59:14,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:59:14,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 02:59:14,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:59:14,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-09 02:59:14,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:59:14,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-09 02:59:14,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:59:14,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-09 02:59:14,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:59:14,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-09 02:59:14,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:59:14,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-09 02:59:14,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:59:14,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-09 02:59:14,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:59:14,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-09 02:59:14,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:59:14,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 02:59:14,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:59:14,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-09 02:59:14,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:59:15,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-09 02:59:15,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:59:15,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-09 02:59:15,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:59:15,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-09 02:59:15,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:59:15,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-09 02:59:15,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:59:15,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-09 02:59:15,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:59:15,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-09 02:59:15,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:59:15,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-09 02:59:15,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:59:15,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-09 02:59:15,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:59:15,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-09 02:59:15,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:59:15,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-09 02:59:15,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:59:15,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-09 02:59:15,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:59:15,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 02:59:15,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:59:15,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-09 02:59:15,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:59:15,455 INFO L134 CoverageAnalysis]: Checked inductivity of 283 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 268 trivial. 0 not checked. [2024-11-09 02:59:15,457 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 02:59:15,458 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1360017237] [2024-11-09 02:59:15,459 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1360017237] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 02:59:15,459 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [100240914] [2024-11-09 02:59:15,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 02:59:15,459 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 02:59:15,460 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 02:59:15,462 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) [2024-11-09 02:59:15,464 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-09 02:59:21,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:59:21,204 INFO L255 TraceCheckSpWp]: Trace formula consists of 4469 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 02:59:21,226 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 02:59:22,447 INFO L134 CoverageAnalysis]: Checked inductivity of 283 backedges. 92 proven. 0 refuted. 0 times theorem prover too weak. 191 trivial. 0 not checked. [2024-11-09 02:59:22,448 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 02:59:22,448 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [100240914] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 02:59:22,448 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 02:59:22,449 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [9] total 13 [2024-11-09 02:59:22,451 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1939914120] [2024-11-09 02:59:22,452 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 02:59:22,456 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 02:59:22,457 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 02:59:22,476 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 02:59:22,477 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2024-11-09 02:59:22,481 INFO L87 Difference]: Start difference. First operand has 288 states, 167 states have (on average 1.215568862275449) internal successors, (203), 169 states have internal predecessors, (203), 96 states have call successors, (96), 23 states have call predecessors, (96), 23 states have return successors, (96), 96 states have call predecessors, (96), 96 states have call successors, (96) Second operand has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 6 states have internal predecessors, (61), 3 states have call successors, (28), 2 states have call predecessors, (28), 3 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2024-11-09 02:59:25,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 02:59:25,872 INFO L93 Difference]: Finished difference Result 571 states and 858 transitions. [2024-11-09 02:59:25,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 02:59:25,875 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 6 states have internal predecessors, (61), 3 states have call successors, (28), 2 states have call predecessors, (28), 3 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) Word has length 156 [2024-11-09 02:59:25,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 02:59:25,888 INFO L225 Difference]: With dead ends: 571 [2024-11-09 02:59:25,888 INFO L226 Difference]: Without dead ends: 285 [2024-11-09 02:59:25,894 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 214 GetRequests, 200 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=41, Invalid=199, Unknown=0, NotChecked=0, Total=240 [2024-11-09 02:59:25,898 INFO L432 NwaCegarLoop]: 333 mSDtfsCounter, 408 mSDsluCounter, 927 mSDsCounter, 0 mSdLazyCounter, 241 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 424 SdHoareTripleChecker+Valid, 1260 SdHoareTripleChecker+Invalid, 292 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 241 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2024-11-09 02:59:25,899 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [424 Valid, 1260 Invalid, 292 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 241 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2024-11-09 02:59:25,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 285 states. [2024-11-09 02:59:25,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 285 to 285. [2024-11-09 02:59:25,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 285 states, 164 states have (on average 1.2073170731707317) internal successors, (198), 167 states have internal predecessors, (198), 96 states have call successors, (96), 23 states have call predecessors, (96), 24 states have return successors, (111), 95 states have call predecessors, (111), 95 states have call successors, (111) [2024-11-09 02:59:25,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 285 states and 405 transitions. [2024-11-09 02:59:25,972 INFO L78 Accepts]: Start accepts. Automaton has 285 states and 405 transitions. Word has length 156 [2024-11-09 02:59:25,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 02:59:25,973 INFO L471 AbstractCegarLoop]: Abstraction has 285 states and 405 transitions. [2024-11-09 02:59:25,973 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 6 states have internal predecessors, (61), 3 states have call successors, (28), 2 states have call predecessors, (28), 3 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2024-11-09 02:59:25,973 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 405 transitions. [2024-11-09 02:59:25,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2024-11-09 02:59:25,978 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 02:59:25,978 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 6, 6, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 02:59:26,011 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-09 02:59:26,179 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 [2024-11-09 02:59:26,180 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 02:59:26,181 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 02:59:26,181 INFO L85 PathProgramCache]: Analyzing trace with hash 2015842466, now seen corresponding path program 1 times [2024-11-09 02:59:26,181 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 02:59:26,181 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1621300653] [2024-11-09 02:59:26,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 02:59:26,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 02:59:30,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:59:33,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 02:59:33,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:59:33,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 02:59:33,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:59:33,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 02:59:33,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:59:33,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 02:59:33,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:59:33,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-09 02:59:33,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:59:34,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-09 02:59:34,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:59:35,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 02:59:35,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:59:35,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 02:59:35,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:59:35,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-09 02:59:35,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:59:35,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-09 02:59:35,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:59:35,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-09 02:59:35,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:59:35,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-09 02:59:35,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:59:36,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-09 02:59:36,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:59:36,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 02:59:36,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:59:36,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-09 02:59:36,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:59:36,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-09 02:59:36,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:59:36,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 02:59:36,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:59:36,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 02:59:36,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:59:36,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-09 02:59:36,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:59:36,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-09 02:59:36,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:59:36,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-09 02:59:36,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:59:37,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-09 02:59:37,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:59:37,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-09 02:59:37,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:59:37,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-09 02:59:37,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:59:37,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-09 02:59:37,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:59:37,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-09 02:59:37,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:59:37,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-09 02:59:37,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:59:37,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-09 02:59:37,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:59:37,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 02:59:37,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:59:37,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-09 02:59:37,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:59:37,705 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 3 proven. 30 refuted. 0 times theorem prover too weak. 265 trivial. 0 not checked. [2024-11-09 02:59:37,705 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 02:59:37,706 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1621300653] [2024-11-09 02:59:37,706 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1621300653] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 02:59:37,706 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1538168166] [2024-11-09 02:59:37,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 02:59:37,706 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 02:59:37,707 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 02:59:37,709 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) [2024-11-09 02:59:37,710 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-09 02:59:42,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:59:42,987 INFO L255 TraceCheckSpWp]: Trace formula consists of 4723 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-09 02:59:42,996 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 02:59:45,591 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 154 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-09 02:59:45,591 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 02:59:45,592 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1538168166] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 02:59:45,592 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 02:59:45,592 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [16] total 22 [2024-11-09 02:59:45,592 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2010458955] [2024-11-09 02:59:45,592 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 02:59:45,595 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-09 02:59:45,596 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 02:59:45,597 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-09 02:59:45,598 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=410, Unknown=0, NotChecked=0, Total=462 [2024-11-09 02:59:45,598 INFO L87 Difference]: Start difference. First operand 285 states and 405 transitions. Second operand has 8 states, 7 states have (on average 10.714285714285714) internal successors, (75), 7 states have internal predecessors, (75), 4 states have call successors, (30), 3 states have call predecessors, (30), 3 states have return successors, (28), 3 states have call predecessors, (28), 4 states have call successors, (28) [2024-11-09 02:59:52,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 02:59:52,267 INFO L93 Difference]: Finished difference Result 514 states and 730 transitions. [2024-11-09 02:59:52,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-09 02:59:52,267 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 10.714285714285714) internal successors, (75), 7 states have internal predecessors, (75), 4 states have call successors, (30), 3 states have call predecessors, (30), 3 states have return successors, (28), 3 states have call predecessors, (28), 4 states have call successors, (28) Word has length 186 [2024-11-09 02:59:52,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 02:59:52,274 INFO L225 Difference]: With dead ends: 514 [2024-11-09 02:59:52,274 INFO L226 Difference]: Without dead ends: 285 [2024-11-09 02:59:52,276 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 261 GetRequests, 236 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 6.9s TimeCoverageRelationStatistics Valid=78, Invalid=624, Unknown=0, NotChecked=0, Total=702 [2024-11-09 02:59:52,279 INFO L432 NwaCegarLoop]: 299 mSDtfsCounter, 464 mSDsluCounter, 1323 mSDsCounter, 0 mSdLazyCounter, 441 mSolverCounterSat, 192 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 466 SdHoareTripleChecker+Valid, 1622 SdHoareTripleChecker+Invalid, 633 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 192 IncrementalHoareTripleChecker+Valid, 441 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.5s IncrementalHoareTripleChecker+Time [2024-11-09 02:59:52,279 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [466 Valid, 1622 Invalid, 633 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [192 Valid, 441 Invalid, 0 Unknown, 0 Unchecked, 5.5s Time] [2024-11-09 02:59:52,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 285 states. [2024-11-09 02:59:52,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 285 to 285. [2024-11-09 02:59:52,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 285 states, 164 states have (on average 1.2073170731707317) internal successors, (198), 167 states have internal predecessors, (198), 96 states have call successors, (96), 23 states have call predecessors, (96), 24 states have return successors, (107), 95 states have call predecessors, (107), 95 states have call successors, (107) [2024-11-09 02:59:52,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 285 states and 401 transitions. [2024-11-09 02:59:52,323 INFO L78 Accepts]: Start accepts. Automaton has 285 states and 401 transitions. Word has length 186 [2024-11-09 02:59:52,323 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 02:59:52,325 INFO L471 AbstractCegarLoop]: Abstraction has 285 states and 401 transitions. [2024-11-09 02:59:52,325 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 10.714285714285714) internal successors, (75), 7 states have internal predecessors, (75), 4 states have call successors, (30), 3 states have call predecessors, (30), 3 states have return successors, (28), 3 states have call predecessors, (28), 4 states have call successors, (28) [2024-11-09 02:59:52,325 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 401 transitions. [2024-11-09 02:59:52,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2024-11-09 02:59:52,333 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 02:59:52,333 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 02:59:52,372 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-09 02:59:52,533 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 [2024-11-09 02:59:52,534 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 02:59:52,535 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 02:59:52,535 INFO L85 PathProgramCache]: Analyzing trace with hash 320849307, now seen corresponding path program 2 times [2024-11-09 02:59:52,535 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 02:59:52,536 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [449828265] [2024-11-09 02:59:52,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 02:59:52,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 02:59:56,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:59:59,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 02:59:59,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:59:59,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 02:59:59,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:00:00,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 03:00:00,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:00:00,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 03:00:00,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:00:00,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-09 03:00:00,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:00:00,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-09 03:00:00,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:00:02,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 03:00:02,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:00:02,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 03:00:02,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:00:02,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-09 03:00:02,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:00:02,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-09 03:00:02,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:00:02,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-09 03:00:02,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:00:02,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-09 03:00:02,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:00:02,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-09 03:00:02,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:00:02,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 03:00:02,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:00:02,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-09 03:00:02,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:00:02,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-09 03:00:02,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:00:02,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 03:00:02,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:00:02,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 03:00:02,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:00:02,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-09 03:00:02,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:00:02,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-09 03:00:02,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:00:02,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-09 03:00:03,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:00:03,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 03:00:03,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:00:03,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 03:00:03,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:00:03,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-09 03:00:03,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:00:03,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-09 03:00:03,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:00:03,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-09 03:00:03,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:00:04,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-09 03:00:04,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:00:04,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-09 03:00:04,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:00:04,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-11-09 03:00:04,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:00:04,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-11-09 03:00:04,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:00:04,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 03:00:04,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:00:04,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-09 03:00:04,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:00:04,671 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 6 proven. 33 refuted. 0 times theorem prover too weak. 289 trivial. 0 not checked. [2024-11-09 03:00:04,672 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 03:00:04,672 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [449828265] [2024-11-09 03:00:04,672 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [449828265] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 03:00:04,672 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1359483017] [2024-11-09 03:00:04,673 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-09 03:00:04,673 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 03:00:04,673 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 03:00:04,677 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) [2024-11-09 03:00:04,678 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-09 03:00:09,685 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-09 03:00:09,685 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 03:00:09,706 INFO L255 TraceCheckSpWp]: Trace formula consists of 3910 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-09 03:00:09,717 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 03:00:10,868 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 308 trivial. 0 not checked. [2024-11-09 03:00:10,868 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 03:00:10,868 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1359483017] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 03:00:10,868 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 03:00:10,868 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [17] total 20 [2024-11-09 03:00:10,868 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1729987575] [2024-11-09 03:00:10,869 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 03:00:10,869 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 03:00:10,869 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 03:00:10,870 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 03:00:10,870 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=338, Unknown=0, NotChecked=0, Total=380 [2024-11-09 03:00:10,871 INFO L87 Difference]: Start difference. First operand 285 states and 401 transitions. Second operand has 5 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 2 states have call successors, (30), 2 states have call predecessors, (30), 3 states have return successors, (28), 3 states have call predecessors, (28), 2 states have call successors, (28) [2024-11-09 03:00:11,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 03:00:11,096 INFO L93 Difference]: Finished difference Result 496 states and 688 transitions. [2024-11-09 03:00:11,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 03:00:11,097 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 2 states have call successors, (30), 2 states have call predecessors, (30), 3 states have return successors, (28), 3 states have call predecessors, (28), 2 states have call successors, (28) Word has length 201 [2024-11-09 03:00:11,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 03:00:11,101 INFO L225 Difference]: With dead ends: 496 [2024-11-09 03:00:11,101 INFO L226 Difference]: Without dead ends: 290 [2024-11-09 03:00:11,103 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 274 GetRequests, 256 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 5.8s TimeCoverageRelationStatistics Valid=42, Invalid=338, Unknown=0, NotChecked=0, Total=380 [2024-11-09 03:00:11,104 INFO L432 NwaCegarLoop]: 385 mSDtfsCounter, 0 mSDsluCounter, 1149 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1534 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 03:00:11,104 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1534 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 03:00:11,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 290 states. [2024-11-09 03:00:11,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 290 to 290. [2024-11-09 03:00:11,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 290 states, 168 states have (on average 1.2023809523809523) internal successors, (202), 171 states have internal predecessors, (202), 96 states have call successors, (96), 23 states have call predecessors, (96), 25 states have return successors, (109), 96 states have call predecessors, (109), 95 states have call successors, (109) [2024-11-09 03:00:11,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 290 states and 407 transitions. [2024-11-09 03:00:11,134 INFO L78 Accepts]: Start accepts. Automaton has 290 states and 407 transitions. Word has length 201 [2024-11-09 03:00:11,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 03:00:11,135 INFO L471 AbstractCegarLoop]: Abstraction has 290 states and 407 transitions. [2024-11-09 03:00:11,135 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 2 states have call successors, (30), 2 states have call predecessors, (30), 3 states have return successors, (28), 3 states have call predecessors, (28), 2 states have call successors, (28) [2024-11-09 03:00:11,136 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 407 transitions. [2024-11-09 03:00:11,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2024-11-09 03:00:11,140 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 03:00:11,140 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 03:00:11,173 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-09 03:00:11,340 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 [2024-11-09 03:00:11,341 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 03:00:11,341 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 03:00:11,342 INFO L85 PathProgramCache]: Analyzing trace with hash 778665137, now seen corresponding path program 1 times [2024-11-09 03:00:11,342 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 03:00:11,342 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [36209908] [2024-11-09 03:00:11,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 03:00:11,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms