./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_array_list_ensure_capacity_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3289d67d 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_ensure_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 c12ad62b7b197015493bfb3c1dd9a5de2922d9b16e39f249961c276d8b82591b --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-16 19:39:06,223 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-16 19:39:06,277 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-16 19:39:06,280 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-16 19:39:06,280 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-16 19:39:06,301 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-16 19:39:06,302 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-16 19:39:06,302 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-16 19:39:06,302 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-16 19:39:06,303 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-16 19:39:06,303 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-16 19:39:06,303 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-16 19:39:06,303 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-16 19:39:06,304 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-16 19:39:06,304 INFO L153 SettingsManager]: * Use SBE=true [2024-11-16 19:39:06,304 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-16 19:39:06,304 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-16 19:39:06,304 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-16 19:39:06,305 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-16 19:39:06,305 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-16 19:39:06,305 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-16 19:39:06,308 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-16 19:39:06,308 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-16 19:39:06,308 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-16 19:39:06,309 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-16 19:39:06,309 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-16 19:39:06,309 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-16 19:39:06,309 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-16 19:39:06,309 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-16 19:39:06,310 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 19:39:06,310 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-16 19:39:06,310 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-16 19:39:06,310 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-16 19:39:06,310 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-16 19:39:06,310 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-16 19:39:06,311 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-16 19:39:06,311 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-16 19:39:06,311 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-16 19:39:06,314 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-16 19:39:06,314 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c12ad62b7b197015493bfb3c1dd9a5de2922d9b16e39f249961c276d8b82591b [2024-11-16 19:39:06,499 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-16 19:39:06,518 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-16 19:39:06,521 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-16 19:39:06,522 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-16 19:39:06,522 INFO L274 PluginConnector]: CDTParser initialized [2024-11-16 19:39:06,523 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_array_list_ensure_capacity_harness.i [2024-11-16 19:39:07,773 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-16 19:39:08,080 INFO L384 CDTParser]: Found 1 translation units. [2024-11-16 19:39:08,081 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_array_list_ensure_capacity_harness.i [2024-11-16 19:39:08,113 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b9e9cea0f/d01fab09ebcc4ff28f39b59c2e0709c7/FLAG5fa28938e [2024-11-16 19:39:08,126 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b9e9cea0f/d01fab09ebcc4ff28f39b59c2e0709c7 [2024-11-16 19:39:08,129 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-16 19:39:08,130 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-16 19:39:08,132 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-16 19:39:08,133 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-16 19:39:08,140 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-16 19:39:08,141 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 07:39:08" (1/1) ... [2024-11-16 19:39:08,142 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70220fcf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:39:08, skipping insertion in model container [2024-11-16 19:39:08,142 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 07:39:08" (1/1) ... [2024-11-16 19:39:08,264 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-16 19:39:08,460 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_array_list_ensure_capacity_harness.i[4504,4517] [2024-11-16 19:39:08,466 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_ensure_capacity_harness.i[4564,4577] [2024-11-16 19:39:08,926 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:39:08,927 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:39:08,927 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:39:08,928 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:39:08,929 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:39:08,941 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:39:08,944 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:39:08,945 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:39:08,947 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:39:08,948 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:39:08,950 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:39:08,950 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:39:08,950 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:39:09,219 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:39:09,220 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:39:09,226 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:39:09,234 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:39:09,273 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:39:09,275 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 19:39:09,298 INFO L200 MainTranslator]: Completed pre-run [2024-11-16 19:39:09,312 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_ensure_capacity_harness.i[4504,4517] [2024-11-16 19:39:09,312 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_ensure_capacity_harness.i[4564,4577] [2024-11-16 19:39:09,349 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:39:09,349 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:39:09,350 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:39:09,350 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:39:09,350 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:39:09,355 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:39:09,355 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:39:09,356 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:39:09,356 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:39:09,357 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:39:09,357 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:39:09,357 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:39:09,357 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:39:09,418 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:39:09,418 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:39:09,419 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:39:09,426 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:39:09,430 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7775-7786] [2024-11-16 19:39:09,448 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:39:09,452 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 19:39:09,625 INFO L204 MainTranslator]: Completed translation [2024-11-16 19:39:09,625 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:39:09 WrapperNode [2024-11-16 19:39:09,626 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-16 19:39:09,626 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-16 19:39:09,626 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-16 19:39:09,627 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-16 19:39:09,631 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:39:09" (1/1) ... [2024-11-16 19:39:09,701 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:39:09" (1/1) ... [2024-11-16 19:39:09,762 INFO L138 Inliner]: procedures = 680, calls = 1679, calls flagged for inlining = 52, calls inlined = 11, statements flattened = 812 [2024-11-16 19:39:09,762 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-16 19:39:09,763 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-16 19:39:09,763 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-16 19:39:09,763 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-16 19:39:09,773 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:39:09" (1/1) ... [2024-11-16 19:39:09,774 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:39:09" (1/1) ... [2024-11-16 19:39:09,812 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:39:09" (1/1) ... [2024-11-16 19:39:09,869 INFO L175 MemorySlicer]: Split 328 memory accesses to 7 slices as follows [9, 238, 2, 6, 2, 6, 65]. 73 percent of accesses are in the largest equivalence class. The 24 initializations are split as follows [5, 6, 2, 0, 0, 1, 10]. The 242 writes are split as follows [1, 232, 0, 2, 1, 1, 5]. [2024-11-16 19:39:09,870 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:39:09" (1/1) ... [2024-11-16 19:39:09,871 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:39:09" (1/1) ... [2024-11-16 19:39:09,898 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:39:09" (1/1) ... [2024-11-16 19:39:09,899 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:39:09" (1/1) ... [2024-11-16 19:39:09,904 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:39:09" (1/1) ... [2024-11-16 19:39:09,907 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:39:09" (1/1) ... [2024-11-16 19:39:09,917 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-16 19:39:09,918 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-16 19:39:09,918 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-16 19:39:09,918 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-16 19:39:09,919 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:39:09" (1/1) ... [2024-11-16 19:39:09,924 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 19:39:09,932 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 19:39:09,945 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) [2024-11-16 19:39:09,947 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 [2024-11-16 19:39:09,982 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-16 19:39:09,982 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2024-11-16 19:39:09,983 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2024-11-16 19:39:09,983 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2024-11-16 19:39:09,983 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2024-11-16 19:39:09,983 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-16 19:39:09,983 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-16 19:39:09,984 INFO L130 BoogieDeclarations]: Found specification of procedure aws_allocator_is_valid [2024-11-16 19:39:09,984 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_allocator_is_valid [2024-11-16 19:39:09,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-16 19:39:09,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-16 19:39:09,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-16 19:39:09,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-16 19:39:09,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-16 19:39:09,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-16 19:39:09,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-16 19:39:09,985 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-16 19:39:09,985 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-16 19:39:09,985 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-16 19:39:09,985 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-16 19:39:09,986 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-16 19:39:09,986 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-16 19:39:09,986 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-16 19:39:09,986 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-11-16 19:39:09,986 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-11-16 19:39:09,986 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-16 19:39:09,986 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-16 19:39:09,986 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-16 19:39:09,986 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-16 19:39:09,986 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-16 19:39:09,986 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-16 19:39:09,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-16 19:39:09,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-16 19:39:09,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-16 19:39:09,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-16 19:39:09,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-16 19:39:09,987 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2024-11-16 19:39:09,988 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2024-11-16 19:39:09,988 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-16 19:39:09,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-16 19:39:09,988 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-16 19:39:09,988 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-16 19:39:09,989 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2024-11-16 19:39:09,989 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2024-11-16 19:39:09,989 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2024-11-16 19:39:09,989 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2024-11-16 19:39:09,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-16 19:39:09,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-16 19:39:09,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-16 19:39:09,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-16 19:39:09,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-16 19:39:09,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-16 19:39:09,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-16 19:39:09,989 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2024-11-16 19:39:09,990 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2024-11-16 19:39:09,990 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_release [2024-11-16 19:39:09,990 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_release [2024-11-16 19:39:09,990 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-16 19:39:09,991 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-16 19:39:09,991 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2024-11-16 19:39:09,991 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2024-11-16 19:39:09,991 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_acquire [2024-11-16 19:39:09,991 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_acquire [2024-11-16 19:39:09,991 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-16 19:39:09,991 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2024-11-16 19:39:09,991 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2024-11-16 19:39:09,991 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-16 19:39:09,991 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-16 19:39:09,991 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-16 19:39:09,991 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-16 19:39:09,991 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-16 19:39:09,991 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-16 19:39:09,991 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-16 19:39:09,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-16 19:39:09,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-16 19:39:09,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-16 19:39:09,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-16 19:39:09,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-16 19:39:09,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-16 19:39:09,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-16 19:39:09,992 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-16 19:39:09,992 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-16 19:39:09,992 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2024-11-16 19:39:09,992 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2024-11-16 19:39:09,992 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2024-11-16 19:39:09,992 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2024-11-16 19:39:09,992 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_ensure_capacity [2024-11-16 19:39:09,992 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_ensure_capacity [2024-11-16 19:39:09,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-16 19:39:09,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-16 19:39:09,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-16 19:39:09,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-16 19:39:09,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-16 19:39:09,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-16 19:39:09,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-16 19:39:09,992 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2024-11-16 19:39:09,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2024-11-16 19:39:09,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-16 19:39:09,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-16 19:39:09,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-16 19:39:09,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-16 19:39:09,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-16 19:39:09,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-16 19:39:09,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-16 19:39:10,256 INFO L256 CfgBuilder]: Building ICFG [2024-11-16 19:39:10,258 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-16 19:39:10,286 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2782: havoc #t~malloc77.base, #t~malloc77.offset; [2024-11-16 19:39:10,341 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2588: havoc #t~ret57#1; [2024-11-16 19:39:10,360 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L267: havoc nondet_uint8_t_#t~nondet10#1; [2024-11-16 19:39:10,425 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L7518: call ULTIMATE.dealloc(~#necessary_size~0#1.base, ~#necessary_size~0#1.offset);havoc ~#necessary_size~0#1.base, ~#necessary_size~0#1.offset; [2024-11-16 19:39:10,426 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L7527: havoc #t~ret758#1; [2024-11-16 19:39:10,426 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L7540: havoc #t~ret765#1; [2024-11-16 19:39:10,426 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L7417: call ULTIMATE.dealloc(aws_array_list_calc_necessary_size_~#index_inc~0#1.base, aws_array_list_calc_necessary_size_~#index_inc~0#1.offset);havoc aws_array_list_calc_necessary_size_~#index_inc~0#1.base, aws_array_list_calc_necessary_size_~#index_inc~0#1.offset; [2024-11-16 19:39:10,432 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2796: havoc #t~ret81;havoc #t~ite83.base, #t~ite83.offset;havoc #t~ret82.base, #t~ret82.offset; [2024-11-16 19:39:10,484 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L3268: call ULTIMATE.dealloc(~#required_size~0.base, ~#required_size~0.offset);havoc ~#required_size~0.base, ~#required_size~0.offset; [2024-11-16 19:39:10,487 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2024-11-16 19:39:10,496 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2821: havoc #t~ret89.base, #t~ret89.offset; [2024-11-16 19:39:10,501 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L7396: havoc #t~ret682.base, #t~ret682.offset; [2024-11-16 19:39:10,560 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2615: havoc #t~ret59#1; [2024-11-16 19:39:15,843 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: havoc nondet_size_t_#t~nondet6#1; [2024-11-16 19:39:15,907 INFO L? ?]: Removed 158 outVars from TransFormulas that were not future-live. [2024-11-16 19:39:15,907 INFO L307 CfgBuilder]: Performing block encoding [2024-11-16 19:39:15,924 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-16 19:39:15,924 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-16 19:39:15,925 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 07:39:15 BoogieIcfgContainer [2024-11-16 19:39:15,925 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-16 19:39:15,926 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-16 19:39:15,927 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-16 19:39:15,930 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-16 19:39:15,930 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 07:39:08" (1/3) ... [2024-11-16 19:39:15,930 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21a56606 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 07:39:15, skipping insertion in model container [2024-11-16 19:39:15,931 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:39:09" (2/3) ... [2024-11-16 19:39:15,931 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21a56606 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 07:39:15, skipping insertion in model container [2024-11-16 19:39:15,932 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 07:39:15" (3/3) ... [2024-11-16 19:39:15,933 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_array_list_ensure_capacity_harness.i [2024-11-16 19:39:15,944 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-16 19:39:15,945 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-16 19:39:16,003 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-16 19:39:16,010 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;@55362d1d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 19:39:16,010 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-16 19:39:16,015 INFO L276 IsEmpty]: Start isEmpty. Operand has 244 states, 148 states have (on average 1.2027027027027026) internal successors, (178), 149 states have internal predecessors, (178), 73 states have call successors, (73), 21 states have call predecessors, (73), 21 states have return successors, (73), 73 states have call predecessors, (73), 73 states have call successors, (73) [2024-11-16 19:39:16,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-11-16 19:39:16,027 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 19:39:16,028 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 19:39:16,029 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 19:39:16,033 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 19:39:16,034 INFO L85 PathProgramCache]: Analyzing trace with hash -974016131, now seen corresponding path program 1 times [2024-11-16 19:39:16,041 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 19:39:16,041 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [590364273] [2024-11-16 19:39:16,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 19:39:16,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 19:39:20,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:39:21,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-16 19:39:21,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:39:21,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 19:39:21,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:39:21,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 19:39:21,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:39:21,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-16 19:39:21,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:39:21,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-16 19:39:21,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:39:21,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-16 19:39:21,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:39:21,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-16 19:39:21,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:39:21,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 19:39:21,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:39:21,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-16 19:39:21,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:39:21,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 19:39:21,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:39:21,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-16 19:39:21,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:39:22,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 19:39:22,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:39:22,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 19:39:22,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:39:22,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-16 19:39:22,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:39:22,269 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-16 19:39:22,269 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 19:39:22,270 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [590364273] [2024-11-16 19:39:22,271 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [590364273] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-16 19:39:22,271 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [236132165] [2024-11-16 19:39:22,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 19:39:22,272 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 19:39:22,272 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 19:39:22,275 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) [2024-11-16 19:39:22,276 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-16 19:39:27,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:39:27,074 INFO L255 TraceCheckSpWp]: Trace formula consists of 4265 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-16 19:39:27,083 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 19:39:27,970 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-16 19:39:27,971 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-16 19:39:27,971 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [236132165] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 19:39:27,971 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-16 19:39:27,971 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [8] total 12 [2024-11-16 19:39:27,973 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [177318763] [2024-11-16 19:39:27,974 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 19:39:27,980 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-16 19:39:27,980 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 19:39:27,997 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-16 19:39:27,997 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-16 19:39:28,000 INFO L87 Difference]: Start difference. First operand has 244 states, 148 states have (on average 1.2027027027027026) internal successors, (178), 149 states have internal predecessors, (178), 73 states have call successors, (73), 21 states have call predecessors, (73), 21 states have return successors, (73), 73 states have call predecessors, (73), 73 states have call successors, (73) Second operand has 6 states, 6 states have (on average 7.0) internal successors, (42), 6 states have internal predecessors, (42), 3 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2024-11-16 19:39:30,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 19:39:30,477 INFO L93 Difference]: Finished difference Result 482 states and 696 transitions. [2024-11-16 19:39:30,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-16 19:39:30,479 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 6 states have internal predecessors, (42), 3 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) Word has length 87 [2024-11-16 19:39:30,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 19:39:30,487 INFO L225 Difference]: With dead ends: 482 [2024-11-16 19:39:30,488 INFO L226 Difference]: Without dead ends: 234 [2024-11-16 19:39:30,492 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=37, Invalid=173, Unknown=0, NotChecked=0, Total=210 [2024-11-16 19:39:30,494 INFO L432 NwaCegarLoop]: 273 mSDtfsCounter, 336 mSDsluCounter, 767 mSDsCounter, 0 mSdLazyCounter, 185 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 346 SdHoareTripleChecker+Valid, 1040 SdHoareTripleChecker+Invalid, 223 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 185 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-11-16 19:39:30,495 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [346 Valid, 1040 Invalid, 223 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 185 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-11-16 19:39:30,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 234 states. [2024-11-16 19:39:30,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 234 to 234. [2024-11-16 19:39:30,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 234 states, 139 states have (on average 1.1798561151079137) internal successors, (164), 142 states have internal predecessors, (164), 73 states have call successors, (73), 21 states have call predecessors, (73), 21 states have return successors, (80), 70 states have call predecessors, (80), 70 states have call successors, (80) [2024-11-16 19:39:30,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 317 transitions. [2024-11-16 19:39:30,559 INFO L78 Accepts]: Start accepts. Automaton has 234 states and 317 transitions. Word has length 87 [2024-11-16 19:39:30,560 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 19:39:30,561 INFO L471 AbstractCegarLoop]: Abstraction has 234 states and 317 transitions. [2024-11-16 19:39:30,561 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 6 states have internal predecessors, (42), 3 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2024-11-16 19:39:30,561 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 317 transitions. [2024-11-16 19:39:30,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-16 19:39:30,566 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 19:39:30,567 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 19:39:30,589 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-16 19:39:30,767 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 [2024-11-16 19:39:30,768 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 19:39:30,768 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 19:39:30,768 INFO L85 PathProgramCache]: Analyzing trace with hash 1783045540, now seen corresponding path program 1 times [2024-11-16 19:39:30,768 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 19:39:30,769 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1522725395] [2024-11-16 19:39:30,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 19:39:30,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 19:39:35,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:39:36,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-16 19:39:36,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:39:36,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 19:39:36,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:39:36,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 19:39:36,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:39:36,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-16 19:39:36,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:39:36,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-16 19:39:36,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:39:36,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-16 19:39:36,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:39:36,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-16 19:39:36,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:39:36,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 19:39:36,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:39:36,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-16 19:39:36,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:39:36,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-16 19:39:36,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:39:37,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-16 19:39:37,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:39:37,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-16 19:39:37,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:39:37,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-16 19:39:37,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:39:37,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-16 19:39:37,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:39:37,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 19:39:37,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:39:37,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-16 19:39:37,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:39:37,712 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-16 19:39:37,714 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 19:39:37,714 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1522725395] [2024-11-16 19:39:37,714 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1522725395] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-16 19:39:37,714 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [643391864] [2024-11-16 19:39:37,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 19:39:37,714 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 19:39:37,715 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 19:39:37,716 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) [2024-11-16 19:39:37,717 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-16 19:39:42,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:39:42,491 INFO L255 TraceCheckSpWp]: Trace formula consists of 4392 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-16 19:39:42,497 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 19:39:44,282 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-11-16 19:39:44,282 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-16 19:39:44,283 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [643391864] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 19:39:44,283 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-16 19:39:44,283 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [11] total 17 [2024-11-16 19:39:44,283 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2001426976] [2024-11-16 19:39:44,283 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 19:39:44,284 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-16 19:39:44,284 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 19:39:44,285 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-16 19:39:44,285 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=235, Unknown=0, NotChecked=0, Total=272 [2024-11-16 19:39:44,285 INFO L87 Difference]: Start difference. First operand 234 states and 317 transitions. Second operand has 8 states, 7 states have (on average 8.0) internal successors, (56), 7 states have internal predecessors, (56), 4 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (16), 3 states have call predecessors, (16), 4 states have call successors, (16) [2024-11-16 19:39:48,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 19:39:48,953 INFO L93 Difference]: Finished difference Result 432 states and 583 transitions. [2024-11-16 19:39:48,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-16 19:39:48,953 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 8.0) internal successors, (56), 7 states have internal predecessors, (56), 4 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (16), 3 states have call predecessors, (16), 4 states have call successors, (16) Word has length 102 [2024-11-16 19:39:48,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 19:39:48,956 INFO L225 Difference]: With dead ends: 432 [2024-11-16 19:39:48,956 INFO L226 Difference]: Without dead ends: 234 [2024-11-16 19:39:48,957 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=63, Invalid=399, Unknown=0, NotChecked=0, Total=462 [2024-11-16 19:39:48,959 INFO L432 NwaCegarLoop]: 234 mSDtfsCounter, 368 mSDsluCounter, 1063 mSDsCounter, 0 mSdLazyCounter, 348 mSolverCounterSat, 132 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 368 SdHoareTripleChecker+Valid, 1297 SdHoareTripleChecker+Invalid, 480 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 132 IncrementalHoareTripleChecker+Valid, 348 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2024-11-16 19:39:48,959 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [368 Valid, 1297 Invalid, 480 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [132 Valid, 348 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2024-11-16 19:39:48,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 234 states. [2024-11-16 19:39:48,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 234 to 234. [2024-11-16 19:39:48,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 234 states, 139 states have (on average 1.1798561151079137) internal successors, (164), 142 states have internal predecessors, (164), 73 states have call successors, (73), 21 states have call predecessors, (73), 21 states have return successors, (74), 70 states have call predecessors, (74), 70 states have call successors, (74) [2024-11-16 19:39:48,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 311 transitions. [2024-11-16 19:39:48,982 INFO L78 Accepts]: Start accepts. Automaton has 234 states and 311 transitions. Word has length 102 [2024-11-16 19:39:48,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 19:39:48,983 INFO L471 AbstractCegarLoop]: Abstraction has 234 states and 311 transitions. [2024-11-16 19:39:48,983 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 8.0) internal successors, (56), 7 states have internal predecessors, (56), 4 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (16), 3 states have call predecessors, (16), 4 states have call successors, (16) [2024-11-16 19:39:48,983 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 311 transitions. [2024-11-16 19:39:48,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2024-11-16 19:39:48,984 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 19:39:48,984 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 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] [2024-11-16 19:39:49,008 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-16 19:39:49,185 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 [2024-11-16 19:39:49,185 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 19:39:49,186 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 19:39:49,186 INFO L85 PathProgramCache]: Analyzing trace with hash 2054652913, now seen corresponding path program 2 times [2024-11-16 19:39:49,186 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 19:39:49,186 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [577775762] [2024-11-16 19:39:49,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 19:39:49,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 19:39:53,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:39:54,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-16 19:39:54,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:39:54,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 19:39:54,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:39:54,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 19:39:54,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:39:54,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-16 19:39:54,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:39:54,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-16 19:39:54,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:39:54,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-16 19:39:54,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:39:55,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-16 19:39:55,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:39:55,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 19:39:55,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:39:55,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-16 19:39:55,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:39:55,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-16 19:39:55,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:39:55,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-16 19:39:55,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:39:55,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 19:39:55,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:39:55,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-16 19:39:55,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:39:55,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-16 19:39:55,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:39:55,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-16 19:39:55,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:39:56,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-16 19:39:56,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:39:56,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 19:39:56,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:39:56,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-16 19:39:56,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:39:56,040 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2024-11-16 19:39:56,040 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 19:39:56,040 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [577775762] [2024-11-16 19:39:56,040 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [577775762] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-16 19:39:56,041 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [227685643] [2024-11-16 19:39:56,041 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-16 19:39:56,041 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 19:39:56,041 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 19:39:56,043 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) [2024-11-16 19:39:56,043 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-16 19:40:00,611 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-16 19:40:00,611 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-16 19:40:00,625 INFO L255 TraceCheckSpWp]: Trace formula consists of 3910 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-16 19:40:00,630 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 19:40:01,462 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2024-11-16 19:40:01,462 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-16 19:40:01,462 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [227685643] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 19:40:01,462 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-16 19:40:01,462 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [12] total 15 [2024-11-16 19:40:01,463 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [65977512] [2024-11-16 19:40:01,463 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 19:40:01,463 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-16 19:40:01,463 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 19:40:01,464 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-16 19:40:01,464 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=182, Unknown=0, NotChecked=0, Total=210 [2024-11-16 19:40:01,464 INFO L87 Difference]: Start difference. First operand 234 states and 311 transitions. Second operand has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 2 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (16), 3 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-16 19:40:01,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 19:40:01,676 INFO L93 Difference]: Finished difference Result 409 states and 535 transitions. [2024-11-16 19:40:01,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-16 19:40:01,676 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 2 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (16), 3 states have call predecessors, (16), 2 states have call successors, (16) Word has length 117 [2024-11-16 19:40:01,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 19:40:01,679 INFO L225 Difference]: With dead ends: 409 [2024-11-16 19:40:01,679 INFO L226 Difference]: Without dead ends: 239 [2024-11-16 19:40:01,679 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=28, Invalid=182, Unknown=0, NotChecked=0, Total=210 [2024-11-16 19:40:01,680 INFO L432 NwaCegarLoop]: 303 mSDtfsCounter, 0 mSDsluCounter, 903 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1206 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 [2024-11-16 19:40:01,680 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1206 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-16 19:40:01,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 239 states. [2024-11-16 19:40:01,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 239 to 239. [2024-11-16 19:40:01,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 239 states, 143 states have (on average 1.1748251748251748) internal successors, (168), 146 states have internal predecessors, (168), 73 states have call successors, (73), 21 states have call predecessors, (73), 22 states have return successors, (75), 71 states have call predecessors, (75), 70 states have call successors, (75) [2024-11-16 19:40:01,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 239 states and 316 transitions. [2024-11-16 19:40:01,693 INFO L78 Accepts]: Start accepts. Automaton has 239 states and 316 transitions. Word has length 117 [2024-11-16 19:40:01,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 19:40:01,694 INFO L471 AbstractCegarLoop]: Abstraction has 239 states and 316 transitions. [2024-11-16 19:40:01,695 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 2 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (16), 3 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-16 19:40:01,695 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 316 transitions. [2024-11-16 19:40:01,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-11-16 19:40:01,698 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 19:40:01,698 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 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] [2024-11-16 19:40:01,722 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-16 19:40:01,898 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 [2024-11-16 19:40:01,899 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 19:40:01,899 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 19:40:01,899 INFO L85 PathProgramCache]: Analyzing trace with hash -77473583, now seen corresponding path program 1 times [2024-11-16 19:40:01,899 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 19:40:01,899 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [691343567] [2024-11-16 19:40:01,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 19:40:01,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 19:40:05,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:40:06,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-16 19:40:06,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:40:06,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 19:40:06,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:40:07,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 19:40:07,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:40:07,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-16 19:40:07,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:40:07,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-16 19:40:07,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:40:07,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-16 19:40:07,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:40:07,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-16 19:40:07,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:40:07,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 19:40:07,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:40:07,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-16 19:40:07,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:40:07,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-16 19:40:07,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:40:07,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-16 19:40:07,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:40:07,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 19:40:07,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:40:07,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-16 19:40:07,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:40:07,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-16 19:40:07,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:40:08,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-16 19:40:08,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:40:08,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-16 19:40:08,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:40:08,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 19:40:08,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:40:08,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 19:40:08,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:40:08,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-16 19:40:08,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:40:08,606 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2024-11-16 19:40:08,606 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 19:40:08,606 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [691343567] [2024-11-16 19:40:08,606 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [691343567] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-16 19:40:08,606 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [786754251] [2024-11-16 19:40:08,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 19:40:08,606 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 19:40:08,607 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 19:40:08,608 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-16 19:40:08,609 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-16 19:40:13,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:40:13,379 INFO L255 TraceCheckSpWp]: Trace formula consists of 4523 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-16 19:40:13,385 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 19:40:15,613 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-11-16 19:40:15,613 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-16 19:40:15,613 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [786754251] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 19:40:15,613 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-16 19:40:15,613 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [13] total 20 [2024-11-16 19:40:15,613 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [860748109] [2024-11-16 19:40:15,613 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 19:40:15,614 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-16 19:40:15,614 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 19:40:15,614 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-16 19:40:15,615 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=333, Unknown=0, NotChecked=0, Total=380 [2024-11-16 19:40:15,615 INFO L87 Difference]: Start difference. First operand 239 states and 316 transitions. Second operand has 9 states, 8 states have (on average 7.5) internal successors, (60), 8 states have internal predecessors, (60), 5 states have call successors, (19), 3 states have call predecessors, (19), 3 states have return successors, (17), 4 states have call predecessors, (17), 5 states have call successors, (17) [2024-11-16 19:40:21,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 19:40:21,233 INFO L93 Difference]: Finished difference Result 439 states and 576 transitions. [2024-11-16 19:40:21,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-16 19:40:21,234 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 7.5) internal successors, (60), 8 states have internal predecessors, (60), 5 states have call successors, (19), 3 states have call predecessors, (19), 3 states have return successors, (17), 4 states have call predecessors, (17), 5 states have call successors, (17) Word has length 123 [2024-11-16 19:40:21,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 19:40:21,236 INFO L225 Difference]: With dead ends: 439 [2024-11-16 19:40:21,236 INFO L226 Difference]: Without dead ends: 237 [2024-11-16 19:40:21,237 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 175 GetRequests, 151 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 4.8s TimeCoverageRelationStatistics Valid=84, Invalid=566, Unknown=0, NotChecked=0, Total=650 [2024-11-16 19:40:21,237 INFO L432 NwaCegarLoop]: 233 mSDtfsCounter, 378 mSDsluCounter, 1284 mSDsCounter, 0 mSdLazyCounter, 413 mSolverCounterSat, 126 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 378 SdHoareTripleChecker+Valid, 1517 SdHoareTripleChecker+Invalid, 539 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 126 IncrementalHoareTripleChecker+Valid, 413 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2024-11-16 19:40:21,238 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [378 Valid, 1517 Invalid, 539 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [126 Valid, 413 Invalid, 0 Unknown, 0 Unchecked, 4.5s Time] [2024-11-16 19:40:21,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 237 states. [2024-11-16 19:40:21,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 237 to 237. [2024-11-16 19:40:21,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 237 states, 142 states have (on average 1.1690140845070423) internal successors, (166), 144 states have internal predecessors, (166), 73 states have call successors, (73), 21 states have call predecessors, (73), 21 states have return successors, (71), 71 states have call predecessors, (71), 70 states have call successors, (71) [2024-11-16 19:40:21,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 237 states and 310 transitions. [2024-11-16 19:40:21,252 INFO L78 Accepts]: Start accepts. Automaton has 237 states and 310 transitions. Word has length 123 [2024-11-16 19:40:21,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 19:40:21,252 INFO L471 AbstractCegarLoop]: Abstraction has 237 states and 310 transitions. [2024-11-16 19:40:21,253 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 7.5) internal successors, (60), 8 states have internal predecessors, (60), 5 states have call successors, (19), 3 states have call predecessors, (19), 3 states have return successors, (17), 4 states have call predecessors, (17), 5 states have call successors, (17) [2024-11-16 19:40:21,254 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 310 transitions. [2024-11-16 19:40:21,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2024-11-16 19:40:21,255 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 19:40:21,256 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 19:40:21,282 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-16 19:40:21,456 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 19:40:21,457 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 19:40:21,457 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 19:40:21,457 INFO L85 PathProgramCache]: Analyzing trace with hash 1512316129, now seen corresponding path program 1 times [2024-11-16 19:40:21,457 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 19:40:21,457 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1979967827] [2024-11-16 19:40:21,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 19:40:21,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 19:40:26,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-16 19:40:26,558 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [147984612] [2024-11-16 19:40:26,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 19:40:26,559 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 19:40:26,559 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 19:40:26,560 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-16 19:40:26,561 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process