./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_array_list_set_at_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 84cfde4a Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_array_list_set_at_harness.i -s /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 14628bdc2b5dee98fd531ba30b57569c060efa6ead93e7c2de47c8a88cf53b5a --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-11 14:41:37,855 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 14:41:37,933 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-10-11 14:41:37,939 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 14:41:37,941 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 14:41:37,972 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 14:41:37,972 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 14:41:37,973 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 14:41:37,974 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-11 14:41:37,975 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-11 14:41:37,975 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 14:41:37,975 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 14:41:37,976 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 14:41:37,976 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 14:41:37,978 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 14:41:37,978 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 14:41:37,979 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-11 14:41:37,979 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-11 14:41:37,979 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 14:41:37,980 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-11 14:41:37,980 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 14:41:37,984 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-11 14:41:37,984 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 14:41:37,984 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-11 14:41:37,984 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 14:41:37,985 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 14:41:37,985 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 14:41:37,985 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-11 14:41:37,985 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 14:41:37,986 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 14:41:37,986 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 14:41:37,986 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 14:41:37,986 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-11 14:41:37,987 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-11 14:41:37,987 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-11 14:41:37,987 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 14:41:37,988 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 14:41:37,988 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 14:41:37,989 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 14:41:37,990 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-clean/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 14628bdc2b5dee98fd531ba30b57569c060efa6ead93e7c2de47c8a88cf53b5a [2024-10-11 14:41:38,250 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 14:41:38,274 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 14:41:38,278 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 14:41:38,279 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 14:41:38,280 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 14:41:38,281 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_array_list_set_at_harness.i [2024-10-11 14:41:39,768 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 14:41:40,206 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 14:41:40,208 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_array_list_set_at_harness.i [2024-10-11 14:41:40,244 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/06958718e/96ea454970b8491499bd8bde63342b62/FLAGfa3385b40 [2024-10-11 14:41:40,342 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/06958718e/96ea454970b8491499bd8bde63342b62 [2024-10-11 14:41:40,346 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 14:41:40,348 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 14:41:40,349 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 14:41:40,350 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 14:41:40,356 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 14:41:40,357 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:41:40" (1/1) ... [2024-10-11 14:41:40,358 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50f6997b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:41:40, skipping insertion in model container [2024-10-11 14:41:40,358 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:41:40" (1/1) ... [2024-10-11 14:41:40,456 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 14:41:40,756 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_array_list_set_at_harness.i[4495,4508] [2024-10-11 14:41:40,763 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_array_list_set_at_harness.i[4555,4568] [2024-10-11 14:41:41,432 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:41:41,434 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:41:41,435 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:41:41,436 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:41:41,438 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:41:41,457 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:41:41,458 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:41:41,462 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:41:41,463 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:41:41,464 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:41:41,465 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:41:41,465 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:41:41,465 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:41:41,885 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:41:41,898 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:41:41,939 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:41:41,940 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:41:41,940 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:41:41,942 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 14:41:41,977 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 14:41:41,992 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_array_list_set_at_harness.i[4495,4508] [2024-10-11 14:41:41,993 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_array_list_set_at_harness.i[4555,4568] [2024-10-11 14:41:42,045 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:41:42,046 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:41:42,046 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:41:42,046 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:41:42,047 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:41:42,052 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:41:42,052 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:41:42,053 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:41:42,054 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:41:42,054 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:41:42,055 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:41:42,055 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:41:42,056 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:41:42,136 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:41:42,140 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:41:42,145 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7770-7781] [2024-10-11 14:41:42,161 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:41:42,162 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:41:42,162 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:41:42,163 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 14:41:42,414 INFO L204 MainTranslator]: Completed translation [2024-10-11 14:41:42,414 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:41:42 WrapperNode [2024-10-11 14:41:42,415 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 14:41:42,416 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-11 14:41:42,416 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-11 14:41:42,416 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-11 14:41:42,433 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:41:42" (1/1) ... [2024-10-11 14:41:42,548 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:41:42" (1/1) ... [2024-10-11 14:41:42,630 INFO L138 Inliner]: procedures = 680, calls = 1672, calls flagged for inlining = 50, calls inlined = 10, statements flattened = 848 [2024-10-11 14:41:42,634 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-11 14:41:42,635 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-11 14:41:42,635 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-11 14:41:42,635 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-11 14:41:42,649 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:41:42" (1/1) ... [2024-10-11 14:41:42,649 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:41:42" (1/1) ... [2024-10-11 14:41:42,657 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:41:42" (1/1) ... [2024-10-11 14:41:42,743 INFO L175 MemorySlicer]: Split 330 memory accesses to 6 slices as follows [236, 2, 72, 6, 8, 6]. 72 percent of accesses are in the largest equivalence class. The 254 initializations are split as follows [236, 2, 10, 0, 5, 1]. The 9 writes are split as follows [0, 0, 6, 2, 0, 1]. [2024-10-11 14:41:42,743 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:41:42" (1/1) ... [2024-10-11 14:41:42,746 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:41:42" (1/1) ... [2024-10-11 14:41:42,789 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:41:42" (1/1) ... [2024-10-11 14:41:42,795 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:41:42" (1/1) ... [2024-10-11 14:41:42,809 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:41:42" (1/1) ... [2024-10-11 14:41:42,817 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:41:42" (1/1) ... [2024-10-11 14:41:42,839 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-11 14:41:42,841 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-11 14:41:42,843 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-11 14:41:42,843 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-11 14:41:42,844 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:41:42" (1/1) ... [2024-10-11 14:41:42,851 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 14:41:42,862 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 14:41:42,879 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-11 14:41:42,884 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-11 14:41:42,926 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-11 14:41:42,926 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2024-10-11 14:41:42,926 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2024-10-11 14:41:42,926 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2024-10-11 14:41:42,926 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2024-10-11 14:41:42,927 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-10-11 14:41:42,927 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-10-11 14:41:42,927 INFO L130 BoogieDeclarations]: Found specification of procedure aws_allocator_is_valid [2024-10-11 14:41:42,927 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_allocator_is_valid [2024-10-11 14:41:42,927 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-11 14:41:42,927 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-11 14:41:42,927 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-10-11 14:41:42,927 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-10-11 14:41:42,927 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-10-11 14:41:42,927 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-10-11 14:41:42,927 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-10-11 14:41:42,927 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-10-11 14:41:42,927 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-10-11 14:41:42,927 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-10-11 14:41:42,928 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-11 14:41:42,928 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-11 14:41:42,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-10-11 14:41:42,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-10-11 14:41:42,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-10-11 14:41:42,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-10-11 14:41:42,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-10-11 14:41:42,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-10-11 14:41:42,928 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2024-10-11 14:41:42,928 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2024-10-11 14:41:42,928 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-11 14:41:42,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-11 14:41:42,928 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-10-11 14:41:42,929 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-10-11 14:41:42,929 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2024-10-11 14:41:42,929 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2024-10-11 14:41:42,929 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2024-10-11 14:41:42,929 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2024-10-11 14:41:42,929 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2024-10-11 14:41:42,929 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2024-10-11 14:41:42,930 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2024-10-11 14:41:42,930 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2024-10-11 14:41:42,930 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_release [2024-10-11 14:41:42,930 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_release [2024-10-11 14:41:42,930 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_length [2024-10-11 14:41:42,931 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_length [2024-10-11 14:41:42,934 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-11 14:41:42,934 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-11 14:41:42,934 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2024-10-11 14:41:42,934 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2024-10-11 14:41:42,934 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_acquire [2024-10-11 14:41:42,934 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_acquire [2024-10-11 14:41:42,934 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-11 14:41:42,934 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2024-10-11 14:41:42,934 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2024-10-11 14:41:42,934 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-10-11 14:41:42,934 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-10-11 14:41:42,935 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-10-11 14:41:42,935 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-10-11 14:41:42,935 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-10-11 14:41:42,935 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-10-11 14:41:42,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-10-11 14:41:42,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-10-11 14:41:42,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-10-11 14:41:42,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-10-11 14:41:42,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-10-11 14:41:42,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-10-11 14:41:42,935 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-10-11 14:41:42,935 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-10-11 14:41:42,935 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2024-10-11 14:41:42,936 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2024-10-11 14:41:42,936 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2024-10-11 14:41:42,936 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2024-10-11 14:41:42,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-11 14:41:42,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-11 14:41:42,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-10-11 14:41:42,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-10-11 14:41:42,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-10-11 14:41:42,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-10-11 14:41:42,936 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2024-10-11 14:41:42,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2024-10-11 14:41:42,936 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_set_at [2024-10-11 14:41:42,936 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_set_at [2024-10-11 14:41:42,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-11 14:41:42,937 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-11 14:41:42,937 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-11 14:41:42,937 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-10-11 14:41:42,937 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-10-11 14:41:42,937 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-10-11 14:41:43,274 INFO L238 CfgBuilder]: Building ICFG [2024-10-11 14:41:43,277 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-11 14:41:44,129 INFO L? ?]: Removed 165 outVars from TransFormulas that were not future-live. [2024-10-11 14:41:44,130 INFO L287 CfgBuilder]: Performing block encoding [2024-10-11 14:41:44,262 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-11 14:41:44,265 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-11 14:41:44,265 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:41:44 BoogieIcfgContainer [2024-10-11 14:41:44,265 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-11 14:41:44,267 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-11 14:41:44,267 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-11 14:41:44,271 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-11 14:41:44,271 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 02:41:40" (1/3) ... [2024-10-11 14:41:44,272 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ebd528b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:41:44, skipping insertion in model container [2024-10-11 14:41:44,272 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:41:42" (2/3) ... [2024-10-11 14:41:44,272 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ebd528b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:41:44, skipping insertion in model container [2024-10-11 14:41:44,273 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:41:44" (3/3) ... [2024-10-11 14:41:44,274 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_array_list_set_at_harness.i [2024-10-11 14:41:44,291 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-11 14:41:44,291 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-11 14:41:44,358 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-11 14:41:44,365 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;@2175b126, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-11 14:41:44,365 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-11 14:41:44,369 INFO L276 IsEmpty]: Start isEmpty. Operand has 267 states, 146 states have (on average 1.2465753424657535) internal successors, (182), 148 states have internal predecessors, (182), 96 states have call successors, (96), 23 states have call predecessors, (96), 23 states have return successors, (96), 96 states have call predecessors, (96), 96 states have call successors, (96) [2024-10-11 14:41:44,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2024-10-11 14:41:44,382 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 14:41:44,383 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 6, 6, 6, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 14:41:44,383 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 14:41:44,387 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 14:41:44,387 INFO L85 PathProgramCache]: Analyzing trace with hash -403316130, now seen corresponding path program 1 times [2024-10-11 14:41:44,395 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 14:41:44,396 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2010391288] [2024-10-11 14:41:44,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 14:41:44,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 14:41:44,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:41:45,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:41:45,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:41:45,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-11 14:41:45,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:41:45,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-11 14:41:45,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:41:45,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-11 14:41:45,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:41:45,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 14:41:45,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:41:45,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-11 14:41:45,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:41:45,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-11 14:41:45,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:41:45,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-11 14:41:45,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:41:45,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-11 14:41:45,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:41:45,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-11 14:41:45,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:41:45,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-11 14:41:45,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:41:45,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:41:45,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:41:45,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 14:41:45,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:41:45,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 14:41:45,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:41:45,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 14:41:45,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:41:45,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-11 14:41:45,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:41:45,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-10-11 14:41:45,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:41:45,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-11 14:41:45,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:41:45,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-11 14:41:45,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:41:45,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-11 14:41:45,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:41:45,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-11 14:41:45,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:41:45,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-11 14:41:45,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:41:45,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-11 14:41:45,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:41:45,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 14:41:45,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:41:45,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:41:45,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:41:45,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-10-11 14:41:45,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:41:45,780 INFO L134 CoverageAnalysis]: Checked inductivity of 282 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 267 trivial. 0 not checked. [2024-10-11 14:41:45,781 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 14:41:45,782 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2010391288] [2024-10-11 14:41:45,783 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2010391288] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 14:41:45,783 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1343154714] [2024-10-11 14:41:45,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 14:41:45,783 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 14:41:45,784 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 14:41:45,785 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 14:41:45,787 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-11 14:41:46,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:41:46,372 INFO L255 TraceCheckSpWp]: Trace formula consists of 2431 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-11 14:41:46,386 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 14:41:46,475 INFO L134 CoverageAnalysis]: Checked inductivity of 282 backedges. 92 proven. 0 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2024-10-11 14:41:46,479 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 14:41:46,480 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1343154714] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 14:41:46,480 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 14:41:46,480 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 12 [2024-10-11 14:41:46,482 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1464440526] [2024-10-11 14:41:46,483 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 14:41:46,487 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 14:41:46,487 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 14:41:46,511 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 14:41:46,512 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2024-10-11 14:41:46,516 INFO L87 Difference]: Start difference. First operand has 267 states, 146 states have (on average 1.2465753424657535) internal successors, (182), 148 states have internal predecessors, (182), 96 states have call successors, (96), 23 states have call predecessors, (96), 23 states have return successors, (96), 96 states have call predecessors, (96), 96 states have call successors, (96) Second operand has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 3 states have call successors, (28), 2 states have call predecessors, (28), 3 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2024-10-11 14:41:46,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 14:41:46,987 INFO L93 Difference]: Finished difference Result 531 states and 818 transitions. [2024-10-11 14:41:46,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 14:41:46,991 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 3 states have call successors, (28), 2 states have call predecessors, (28), 3 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) Word has length 147 [2024-10-11 14:41:46,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 14:41:47,002 INFO L225 Difference]: With dead ends: 531 [2024-10-11 14:41:47,003 INFO L226 Difference]: Without dead ends: 267 [2024-10-11 14:41:47,009 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 201 GetRequests, 191 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2024-10-11 14:41:47,014 INFO L432 NwaCegarLoop]: 325 mSDtfsCounter, 41 mSDsluCounter, 877 mSDsCounter, 0 mSdLazyCounter, 215 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 1202 SdHoareTripleChecker+Invalid, 217 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 215 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-11 14:41:47,017 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 1202 Invalid, 217 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 215 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-11 14:41:47,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 267 states. [2024-10-11 14:41:47,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 267 to 267. [2024-10-11 14:41:47,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 267 states, 146 states have (on average 1.2328767123287672) internal successors, (180), 149 states have internal predecessors, (180), 96 states have call successors, (96), 23 states have call predecessors, (96), 24 states have return successors, (111), 95 states have call predecessors, (111), 95 states have call successors, (111) [2024-10-11 14:41:47,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 267 states and 387 transitions. [2024-10-11 14:41:47,105 INFO L78 Accepts]: Start accepts. Automaton has 267 states and 387 transitions. Word has length 147 [2024-10-11 14:41:47,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 14:41:47,107 INFO L471 AbstractCegarLoop]: Abstraction has 267 states and 387 transitions. [2024-10-11 14:41:47,109 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 3 states have call successors, (28), 2 states have call predecessors, (28), 3 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2024-10-11 14:41:47,109 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 387 transitions. [2024-10-11 14:41:47,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2024-10-11 14:41:47,114 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 14:41:47,114 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 6, 6, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 14:41:47,137 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-10-11 14:41:47,315 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-10-11 14:41:47,316 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 14:41:47,316 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 14:41:47,316 INFO L85 PathProgramCache]: Analyzing trace with hash -529480404, now seen corresponding path program 1 times [2024-10-11 14:41:47,317 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 14:41:47,317 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2008815353] [2024-10-11 14:41:47,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 14:41:47,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 14:41:47,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:41:47,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:41:47,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:41:47,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-11 14:41:47,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:41:47,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-11 14:41:47,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:41:48,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-11 14:41:48,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:41:48,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 14:41:48,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:41:48,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-11 14:41:48,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:41:48,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 14:41:48,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:41:48,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:41:48,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:41:48,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-11 14:41:48,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:41:48,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-11 14:41:48,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:41:48,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-11 14:41:48,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:41:48,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-10-11 14:41:48,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:41:48,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-11 14:41:48,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:41:48,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:41:48,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:41:48,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-11 14:41:48,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:41:48,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-11 14:41:48,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:41:48,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 14:41:48,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:41:48,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:41:48,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:41:48,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-10-11 14:41:48,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:41:48,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-11 14:41:48,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:41:48,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-10-11 14:41:48,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:41:48,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-11 14:41:48,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:41:48,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-10-11 14:41:48,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:41:48,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-10-11 14:41:48,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:41:48,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-10-11 14:41:48,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:41:48,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-10-11 14:41:48,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:41:48,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-10-11 14:41:48,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:41:48,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-10-11 14:41:48,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:41:48,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:41:48,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:41:48,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-11 14:41:48,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:41:48,402 INFO L134 CoverageAnalysis]: Checked inductivity of 295 backedges. 6 proven. 9 refuted. 0 times theorem prover too weak. 280 trivial. 0 not checked. [2024-10-11 14:41:48,402 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 14:41:48,402 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2008815353] [2024-10-11 14:41:48,402 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2008815353] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 14:41:48,402 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2068128837] [2024-10-11 14:41:48,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 14:41:48,403 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 14:41:48,403 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 14:41:48,404 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 14:41:48,406 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-11 14:41:49,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:41:49,056 INFO L255 TraceCheckSpWp]: Trace formula consists of 2701 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-11 14:41:49,070 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 14:41:49,208 INFO L134 CoverageAnalysis]: Checked inductivity of 295 backedges. 154 proven. 0 refuted. 0 times theorem prover too weak. 141 trivial. 0 not checked. [2024-10-11 14:41:49,208 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 14:41:49,209 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2068128837] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 14:41:49,209 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 14:41:49,209 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [11] total 16 [2024-10-11 14:41:49,209 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1936814608] [2024-10-11 14:41:49,209 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 14:41:49,210 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-11 14:41:49,210 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 14:41:49,211 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-11 14:41:49,211 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2024-10-11 14:41:49,212 INFO L87 Difference]: Start difference. First operand 267 states and 387 transitions. Second operand has 7 states, 6 states have (on average 10.833333333333334) internal successors, (65), 6 states have internal predecessors, (65), 4 states have call successors, (30), 3 states have call predecessors, (30), 3 states have return successors, (28), 3 states have call predecessors, (28), 4 states have call successors, (28) [2024-10-11 14:41:49,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 14:41:49,895 INFO L93 Difference]: Finished difference Result 481 states and 697 transitions. [2024-10-11 14:41:49,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-11 14:41:49,896 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 10.833333333333334) internal successors, (65), 6 states have internal predecessors, (65), 4 states have call successors, (30), 3 states have call predecessors, (30), 3 states have return successors, (28), 3 states have call predecessors, (28), 4 states have call successors, (28) Word has length 173 [2024-10-11 14:41:49,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 14:41:49,904 INFO L225 Difference]: With dead ends: 481 [2024-10-11 14:41:49,907 INFO L226 Difference]: Without dead ends: 267 [2024-10-11 14:41:49,908 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 238 GetRequests, 223 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=43, Invalid=229, Unknown=0, NotChecked=0, Total=272 [2024-10-11 14:41:49,909 INFO L432 NwaCegarLoop]: 322 mSDtfsCounter, 143 mSDsluCounter, 1349 mSDsCounter, 0 mSdLazyCounter, 284 mSolverCounterSat, 103 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 155 SdHoareTripleChecker+Valid, 1671 SdHoareTripleChecker+Invalid, 387 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 103 IncrementalHoareTripleChecker+Valid, 284 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-11 14:41:49,910 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [155 Valid, 1671 Invalid, 387 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [103 Valid, 284 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-11 14:41:49,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 267 states. [2024-10-11 14:41:49,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 267 to 267. [2024-10-11 14:41:49,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 267 states, 146 states have (on average 1.2328767123287672) internal successors, (180), 149 states have internal predecessors, (180), 96 states have call successors, (96), 23 states have call predecessors, (96), 24 states have return successors, (107), 95 states have call predecessors, (107), 95 states have call successors, (107) [2024-10-11 14:41:49,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 267 states and 383 transitions. [2024-10-11 14:41:49,949 INFO L78 Accepts]: Start accepts. Automaton has 267 states and 383 transitions. Word has length 173 [2024-10-11 14:41:49,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 14:41:49,951 INFO L471 AbstractCegarLoop]: Abstraction has 267 states and 383 transitions. [2024-10-11 14:41:49,951 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 10.833333333333334) internal successors, (65), 6 states have internal predecessors, (65), 4 states have call successors, (30), 3 states have call predecessors, (30), 3 states have return successors, (28), 3 states have call predecessors, (28), 4 states have call successors, (28) [2024-10-11 14:41:49,951 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 383 transitions. [2024-10-11 14:41:49,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2024-10-11 14:41:49,957 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 14:41:49,957 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 14:41:49,981 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-10-11 14:41:50,158 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 14:41:50,158 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 14:41:50,159 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 14:41:50,159 INFO L85 PathProgramCache]: Analyzing trace with hash -1385856031, now seen corresponding path program 2 times [2024-10-11 14:41:50,159 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 14:41:50,159 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1877690799] [2024-10-11 14:41:50,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 14:41:50,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 14:41:50,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:41:50,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:41:50,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:41:50,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-11 14:41:50,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:41:50,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-11 14:41:50,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:41:50,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-11 14:41:50,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:41:50,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 14:41:50,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:41:50,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-11 14:41:50,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:41:50,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 14:41:50,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:41:50,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:41:50,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:41:50,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-11 14:41:50,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:41:50,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-11 14:41:50,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:41:50,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-11 14:41:50,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:41:50,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-10-11 14:41:50,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:41:50,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-11 14:41:50,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:41:50,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:41:50,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:41:50,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-11 14:41:50,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:41:50,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-11 14:41:50,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:41:50,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 14:41:50,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:41:50,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:41:50,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:41:51,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-10-11 14:41:51,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:41:51,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-11 14:41:51,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:41:51,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-10-11 14:41:51,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:41:51,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 14:41:51,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:41:51,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:41:51,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:41:51,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-10-11 14:41:51,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:41:51,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-11 14:41:51,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:41:51,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-11 14:41:51,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:41:51,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-11 14:41:51,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:41:51,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-11 14:41:51,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:41:51,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-11 14:41:51,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:41:51,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-11 14:41:51,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:41:51,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:41:51,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:41:51,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-10-11 14:41:51,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:41:51,187 INFO L134 CoverageAnalysis]: Checked inductivity of 321 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 306 trivial. 0 not checked. [2024-10-11 14:41:51,188 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 14:41:51,188 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1877690799] [2024-10-11 14:41:51,188 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1877690799] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 14:41:51,188 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [350324042] [2024-10-11 14:41:51,188 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-11 14:41:51,189 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 14:41:51,189 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 14:41:51,190 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 14:41:51,192 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-11 14:41:51,663 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-10-11 14:41:51,663 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-11 14:41:51,670 INFO L255 TraceCheckSpWp]: Trace formula consists of 1877 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-11 14:41:51,676 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 14:41:51,734 INFO L134 CoverageAnalysis]: Checked inductivity of 321 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 301 trivial. 0 not checked. [2024-10-11 14:41:51,734 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 14:41:51,735 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [350324042] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 14:41:51,735 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 14:41:51,735 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [12] total 15 [2024-10-11 14:41:51,735 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [459153638] [2024-10-11 14:41:51,735 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 14:41:51,735 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 14:41:51,735 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 14:41:51,736 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 14:41:51,736 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2024-10-11 14:41:51,736 INFO L87 Difference]: Start difference. First operand 267 states and 383 transitions. Second operand has 5 states, 4 states have (on average 15.0) internal successors, (60), 5 states have internal predecessors, (60), 2 states have call successors, (30), 2 states have call predecessors, (30), 3 states have return successors, (28), 3 states have call predecessors, (28), 2 states have call successors, (28) [2024-10-11 14:41:51,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 14:41:51,953 INFO L93 Difference]: Finished difference Result 462 states and 654 transitions. [2024-10-11 14:41:51,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 14:41:51,954 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 15.0) internal successors, (60), 5 states have internal predecessors, (60), 2 states have call successors, (30), 2 states have call predecessors, (30), 3 states have return successors, (28), 3 states have call predecessors, (28), 2 states have call successors, (28) Word has length 186 [2024-10-11 14:41:51,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 14:41:51,958 INFO L225 Difference]: With dead ends: 462 [2024-10-11 14:41:51,958 INFO L226 Difference]: Without dead ends: 271 [2024-10-11 14:41:51,959 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 255 GetRequests, 242 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2024-10-11 14:41:51,960 INFO L432 NwaCegarLoop]: 351 mSDtfsCounter, 0 mSDsluCounter, 1047 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1398 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 14:41:51,960 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1398 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 14:41:51,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 271 states. [2024-10-11 14:41:51,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 271 to 271. [2024-10-11 14:41:51,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 271 states, 149 states have (on average 1.2281879194630871) internal successors, (183), 152 states have internal predecessors, (183), 96 states have call successors, (96), 23 states have call predecessors, (96), 25 states have return successors, (109), 96 states have call predecessors, (109), 95 states have call successors, (109) [2024-10-11 14:41:51,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 271 states and 388 transitions. [2024-10-11 14:41:51,983 INFO L78 Accepts]: Start accepts. Automaton has 271 states and 388 transitions. Word has length 186 [2024-10-11 14:41:51,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 14:41:51,984 INFO L471 AbstractCegarLoop]: Abstraction has 271 states and 388 transitions. [2024-10-11 14:41:51,984 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 15.0) internal successors, (60), 5 states have internal predecessors, (60), 2 states have call successors, (30), 2 states have call predecessors, (30), 3 states have return successors, (28), 3 states have call predecessors, (28), 2 states have call successors, (28) [2024-10-11 14:41:51,984 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 388 transitions. [2024-10-11 14:41:51,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-10-11 14:41:51,987 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 14:41:51,987 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 14:41:52,007 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-10-11 14:41:52,187 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 14:41:52,188 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 14:41:52,188 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 14:41:52,188 INFO L85 PathProgramCache]: Analyzing trace with hash -2090619147, now seen corresponding path program 1 times [2024-10-11 14:41:52,188 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 14:41:52,188 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1906624270] [2024-10-11 14:41:52,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 14:41:52,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 14:41:52,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:41:52,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:41:52,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:41:52,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-11 14:41:52,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:41:52,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-11 14:41:52,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:41:52,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-11 14:41:52,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:41:52,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 14:41:52,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:41:52,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-11 14:41:52,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:41:52,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 14:41:52,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:41:52,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:41:52,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:41:52,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-11 14:41:52,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:41:52,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-11 14:41:52,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:41:52,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-11 14:41:52,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:41:52,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-10-11 14:41:52,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:41:52,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-11 14:41:52,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:41:52,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:41:52,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:41:52,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-11 14:41:52,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:41:52,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-11 14:41:52,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:41:52,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 14:41:52,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:41:52,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:41:52,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:41:52,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-10-11 14:41:52,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:41:52,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-11 14:41:52,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:41:52,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-10-11 14:41:52,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:41:52,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 14:41:52,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:41:52,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:41:52,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:41:52,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-10-11 14:41:52,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:41:52,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-11 14:41:52,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:41:52,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-11 14:41:52,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:41:53,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-11 14:41:53,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:41:53,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-11 14:41:53,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:41:53,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-11 14:41:53,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:41:53,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-11 14:41:53,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:41:53,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:41:53,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:41:53,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 14:41:53,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:41:53,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-10-11 14:41:53,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:41:53,091 INFO L134 CoverageAnalysis]: Checked inductivity of 321 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 306 trivial. 0 not checked. [2024-10-11 14:41:53,091 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 14:41:53,091 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1906624270] [2024-10-11 14:41:53,091 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1906624270] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 14:41:53,091 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1587120888] [2024-10-11 14:41:53,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 14:41:53,092 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 14:41:53,092 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 14:41:53,094 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 14:41:53,095 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-11 14:41:53,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:41:53,659 INFO L255 TraceCheckSpWp]: Trace formula consists of 2833 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-11 14:41:53,666 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 14:41:53,819 INFO L134 CoverageAnalysis]: Checked inductivity of 321 backedges. 113 proven. 0 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2024-10-11 14:41:53,819 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 14:41:53,819 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1587120888] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 14:41:53,819 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 14:41:53,819 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [13] total 19 [2024-10-11 14:41:53,820 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [14343810] [2024-10-11 14:41:53,820 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 14:41:53,820 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-11 14:41:53,820 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 14:41:53,821 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-11 14:41:53,824 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=296, Unknown=0, NotChecked=0, Total=342 [2024-10-11 14:41:53,824 INFO L87 Difference]: Start difference. First operand 271 states and 388 transitions. Second operand has 8 states, 7 states have (on average 9.571428571428571) internal successors, (67), 7 states have internal predecessors, (67), 5 states have call successors, (31), 3 states have call predecessors, (31), 3 states have return successors, (29), 4 states have call predecessors, (29), 5 states have call successors, (29) [2024-10-11 14:41:54,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 14:41:54,468 INFO L93 Difference]: Finished difference Result 483 states and 689 transitions. [2024-10-11 14:41:54,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-11 14:41:54,469 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 9.571428571428571) internal successors, (67), 7 states have internal predecessors, (67), 5 states have call successors, (31), 3 states have call predecessors, (31), 3 states have return successors, (29), 4 states have call predecessors, (29), 5 states have call successors, (29) Word has length 190 [2024-10-11 14:41:54,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 14:41:54,474 INFO L225 Difference]: With dead ends: 483 [2024-10-11 14:41:54,474 INFO L226 Difference]: Without dead ends: 271 [2024-10-11 14:41:54,475 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 263 GetRequests, 244 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=61, Invalid=359, Unknown=0, NotChecked=0, Total=420 [2024-10-11 14:41:54,476 INFO L432 NwaCegarLoop]: 318 mSDtfsCounter, 179 mSDsluCounter, 1603 mSDsCounter, 0 mSdLazyCounter, 338 mSolverCounterSat, 121 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 191 SdHoareTripleChecker+Valid, 1921 SdHoareTripleChecker+Invalid, 459 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 121 IncrementalHoareTripleChecker+Valid, 338 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-11 14:41:54,477 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [191 Valid, 1921 Invalid, 459 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [121 Valid, 338 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-11 14:41:54,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 271 states. [2024-10-11 14:41:54,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 271 to 271. [2024-10-11 14:41:54,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 271 states, 149 states have (on average 1.2281879194630871) internal successors, (183), 152 states have internal predecessors, (183), 96 states have call successors, (96), 23 states have call predecessors, (96), 25 states have return successors, (103), 96 states have call predecessors, (103), 95 states have call successors, (103) [2024-10-11 14:41:54,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 271 states and 382 transitions. [2024-10-11 14:41:54,499 INFO L78 Accepts]: Start accepts. Automaton has 271 states and 382 transitions. Word has length 190 [2024-10-11 14:41:54,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 14:41:54,500 INFO L471 AbstractCegarLoop]: Abstraction has 271 states and 382 transitions. [2024-10-11 14:41:54,500 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 9.571428571428571) internal successors, (67), 7 states have internal predecessors, (67), 5 states have call successors, (31), 3 states have call predecessors, (31), 3 states have return successors, (29), 4 states have call predecessors, (29), 5 states have call successors, (29) [2024-10-11 14:41:54,500 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 382 transitions. [2024-10-11 14:41:54,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2024-10-11 14:41:54,503 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 14:41:54,503 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 14:41:54,526 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-10-11 14:41:54,703 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 14:41:54,704 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 14:41:54,704 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 14:41:54,705 INFO L85 PathProgramCache]: Analyzing trace with hash -583976038, now seen corresponding path program 2 times [2024-10-11 14:41:54,705 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 14:41:54,705 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [406490703] [2024-10-11 14:41:54,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 14:41:54,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 14:41:54,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:41:55,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:41:55,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:41:55,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-11 14:41:55,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:41:55,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-11 14:41:55,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:41:55,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-11 14:41:55,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:41:55,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 14:41:55,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:41:55,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-11 14:41:55,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:41:55,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 14:41:55,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:41:55,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:41:55,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:41:55,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-11 14:41:55,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:41:55,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-11 14:41:55,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:41:55,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-11 14:41:55,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:41:55,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-10-11 14:41:55,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:41:55,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-11 14:41:55,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:41:55,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:41:55,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:41:55,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-11 14:41:55,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:41:55,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-11 14:41:55,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:41:55,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 14:41:55,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:41:55,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:41:55,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:41:55,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-10-11 14:41:55,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:41:55,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-11 14:41:55,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:41:55,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-10-11 14:41:55,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:41:55,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 14:41:55,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:41:55,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:41:55,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:41:55,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-10-11 14:41:55,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:41:55,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-11 14:41:55,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:41:55,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-11 14:41:55,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:41:55,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 14:41:55,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:41:55,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:41:55,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:41:55,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-11 14:41:55,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:41:55,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-11 14:41:55,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:41:55,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-10-11 14:41:55,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:41:55,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-10-11 14:41:55,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:41:55,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:41:55,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:41:55,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 14:41:55,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:41:55,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-11 14:41:55,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:41:55,794 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 12 proven. 3 refuted. 0 times theorem prover too weak. 345 trivial. 0 not checked. [2024-10-11 14:41:55,796 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 14:41:55,796 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [406490703] [2024-10-11 14:41:55,797 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [406490703] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 14:41:55,797 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1012085735] [2024-10-11 14:41:55,797 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-11 14:41:55,797 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 14:41:55,797 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 14:41:55,799 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 14:41:55,800 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-11 14:41:56,462 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-11 14:41:56,462 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-11 14:41:56,475 INFO L255 TraceCheckSpWp]: Trace formula consists of 2968 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-10-11 14:41:56,482 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 14:41:56,637 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 345 trivial. 0 not checked. [2024-10-11 14:41:56,637 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 14:41:56,638 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1012085735] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 14:41:56,638 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 14:41:56,638 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [14] total 21 [2024-10-11 14:41:56,638 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1125724326] [2024-10-11 14:41:56,638 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 14:41:56,639 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-11 14:41:56,639 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 14:41:56,640 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-11 14:41:56,640 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=369, Unknown=0, NotChecked=0, Total=420 [2024-10-11 14:41:56,640 INFO L87 Difference]: Start difference. First operand 271 states and 382 transitions. Second operand has 9 states, 9 states have (on average 6.888888888888889) internal successors, (62), 8 states have internal predecessors, (62), 6 states have call successors, (31), 3 states have call predecessors, (31), 2 states have return successors, (29), 6 states have call predecessors, (29), 5 states have call successors, (29) [2024-10-11 14:41:57,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 14:41:57,214 INFO L93 Difference]: Finished difference Result 480 states and 672 transitions. [2024-10-11 14:41:57,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-11 14:41:57,216 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.888888888888889) internal successors, (62), 8 states have internal predecessors, (62), 6 states have call successors, (31), 3 states have call predecessors, (31), 2 states have return successors, (29), 6 states have call predecessors, (29), 5 states have call successors, (29) Word has length 203 [2024-10-11 14:41:57,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 14:41:57,219 INFO L225 Difference]: With dead ends: 480 [2024-10-11 14:41:57,219 INFO L226 Difference]: Without dead ends: 271 [2024-10-11 14:41:57,220 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 282 GetRequests, 260 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=78, Invalid=474, Unknown=0, NotChecked=0, Total=552 [2024-10-11 14:41:57,221 INFO L432 NwaCegarLoop]: 321 mSDtfsCounter, 186 mSDsluCounter, 1913 mSDsCounter, 0 mSdLazyCounter, 374 mSolverCounterSat, 112 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 198 SdHoareTripleChecker+Valid, 2234 SdHoareTripleChecker+Invalid, 486 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 112 IncrementalHoareTripleChecker+Valid, 374 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-11 14:41:57,221 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [198 Valid, 2234 Invalid, 486 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [112 Valid, 374 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-11 14:41:57,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 271 states. [2024-10-11 14:41:57,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 271 to 271. [2024-10-11 14:41:57,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 271 states, 149 states have (on average 1.2281879194630871) internal successors, (183), 152 states have internal predecessors, (183), 96 states have call successors, (96), 23 states have call predecessors, (96), 25 states have return successors, (99), 96 states have call predecessors, (99), 95 states have call successors, (99) [2024-10-11 14:41:57,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 271 states and 378 transitions. [2024-10-11 14:41:57,247 INFO L78 Accepts]: Start accepts. Automaton has 271 states and 378 transitions. Word has length 203 [2024-10-11 14:41:57,248 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 14:41:57,248 INFO L471 AbstractCegarLoop]: Abstraction has 271 states and 378 transitions. [2024-10-11 14:41:57,248 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.888888888888889) internal successors, (62), 8 states have internal predecessors, (62), 6 states have call successors, (31), 3 states have call predecessors, (31), 2 states have return successors, (29), 6 states have call predecessors, (29), 5 states have call successors, (29) [2024-10-11 14:41:57,249 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 378 transitions. [2024-10-11 14:41:57,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2024-10-11 14:41:57,253 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 14:41:57,253 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 14:41:57,276 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-10-11 14:41:57,453 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 14:41:57,454 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 14:41:57,454 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 14:41:57,455 INFO L85 PathProgramCache]: Analyzing trace with hash -2073409648, now seen corresponding path program 1 times [2024-10-11 14:41:57,455 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 14:41:57,455 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [295228590] [2024-10-11 14:41:57,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 14:41:57,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 14:41:57,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:41:58,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:41:58,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:41:58,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-11 14:41:58,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:41:58,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-11 14:41:58,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:41:58,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-11 14:41:58,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:41:58,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 14:41:58,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:41:58,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-11 14:41:58,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:41:58,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 14:41:58,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:41:58,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:41:58,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:41:58,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-11 14:41:58,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:41:58,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-11 14:41:58,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:41:58,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-11 14:41:58,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:41:58,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-10-11 14:41:58,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:41:58,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-11 14:41:58,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:41:58,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:41:58,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:41:58,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-11 14:41:58,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:41:58,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-11 14:41:58,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:41:58,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 14:41:58,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:41:58,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:41:58,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:41:58,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-10-11 14:41:58,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:41:58,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-11 14:41:58,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:41:58,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-10-11 14:41:58,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:41:58,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 14:41:58,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:41:58,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:41:58,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:41:58,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-10-11 14:41:58,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:41:58,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-11 14:41:58,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:41:58,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-11 14:41:58,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:41:58,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 14:41:58,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:41:58,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:41:58,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:41:58,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-11 14:41:58,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:41:58,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-11 14:41:58,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:41:58,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 14:41:58,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:41:58,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:41:58,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:41:58,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-10-11 14:41:58,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:41:58,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-10-11 14:41:58,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:41:58,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:41:58,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:41:58,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 14:41:58,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:41:58,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-10-11 14:41:58,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:41:58,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 14:41:58,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:41:58,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:41:58,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:41:58,914 INFO L134 CoverageAnalysis]: Checked inductivity of 477 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 477 trivial. 0 not checked. [2024-10-11 14:41:58,914 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 14:41:58,914 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [295228590] [2024-10-11 14:41:58,915 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [295228590] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 14:41:58,915 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 14:41:58,915 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-10-11 14:41:58,915 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1678505955] [2024-10-11 14:41:58,915 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 14:41:58,916 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-11 14:41:58,916 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 14:41:58,917 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-11 14:41:58,917 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2024-10-11 14:41:58,917 INFO L87 Difference]: Start difference. First operand 271 states and 378 transitions. Second operand has 12 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 6 states have internal predecessors, (58), 3 states have call successors, (31), 7 states have call predecessors, (31), 2 states have return successors, (29), 4 states have call predecessors, (29), 3 states have call successors, (29) [2024-10-11 14:42:01,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 14:42:01,440 INFO L93 Difference]: Finished difference Result 650 states and 973 transitions. [2024-10-11 14:42:01,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-11 14:42:01,440 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 6 states have internal predecessors, (58), 3 states have call successors, (31), 7 states have call predecessors, (31), 2 states have return successors, (29), 4 states have call predecessors, (29), 3 states have call successors, (29) Word has length 229 [2024-10-11 14:42:01,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 14:42:01,444 INFO L225 Difference]: With dead ends: 650 [2024-10-11 14:42:01,444 INFO L226 Difference]: Without dead ends: 427 [2024-10-11 14:42:01,446 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=55, Invalid=185, Unknown=0, NotChecked=0, Total=240 [2024-10-11 14:42:01,446 INFO L432 NwaCegarLoop]: 324 mSDtfsCounter, 288 mSDsluCounter, 1924 mSDsCounter, 0 mSdLazyCounter, 1863 mSolverCounterSat, 459 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 322 SdHoareTripleChecker+Valid, 2248 SdHoareTripleChecker+Invalid, 2322 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 459 IncrementalHoareTripleChecker+Valid, 1863 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2024-10-11 14:42:01,446 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [322 Valid, 2248 Invalid, 2322 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [459 Valid, 1863 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2024-10-11 14:42:01,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 427 states. [2024-10-11 14:42:01,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 427 to 286. [2024-10-11 14:42:01,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 286 states, 158 states have (on average 1.2215189873417722) internal successors, (193), 161 states have internal predecessors, (193), 101 states have call successors, (101), 23 states have call predecessors, (101), 26 states have return successors, (106), 102 states have call predecessors, (106), 100 states have call successors, (106) [2024-10-11 14:42:01,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 286 states and 400 transitions. [2024-10-11 14:42:01,480 INFO L78 Accepts]: Start accepts. Automaton has 286 states and 400 transitions. Word has length 229 [2024-10-11 14:42:01,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 14:42:01,480 INFO L471 AbstractCegarLoop]: Abstraction has 286 states and 400 transitions. [2024-10-11 14:42:01,480 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 6 states have internal predecessors, (58), 3 states have call successors, (31), 7 states have call predecessors, (31), 2 states have return successors, (29), 4 states have call predecessors, (29), 3 states have call successors, (29) [2024-10-11 14:42:01,480 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 400 transitions. [2024-10-11 14:42:01,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2024-10-11 14:42:01,483 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 14:42:01,483 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 14:42:01,484 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-11 14:42:01,484 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 14:42:01,484 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 14:42:01,484 INFO L85 PathProgramCache]: Analyzing trace with hash -1126371762, now seen corresponding path program 1 times [2024-10-11 14:42:01,484 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 14:42:01,484 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [341352970] [2024-10-11 14:42:01,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 14:42:01,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 14:42:01,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:42:02,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:42:02,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:42:02,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-11 14:42:02,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:42:02,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-11 14:42:02,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:42:02,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-11 14:42:02,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:42:02,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 14:42:02,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:42:02,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-11 14:42:02,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:42:02,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 14:42:02,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:42:02,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:42:02,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:42:02,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-11 14:42:02,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:42:02,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-11 14:42:02,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:42:02,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-11 14:42:02,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:42:02,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-10-11 14:42:02,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:42:02,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-11 14:42:02,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:42:02,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:42:02,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:42:02,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-11 14:42:02,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:42:02,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-11 14:42:02,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:42:02,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 14:42:02,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:42:02,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:42:02,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:42:02,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-10-11 14:42:02,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:42:02,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-11 14:42:02,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:42:02,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-10-11 14:42:02,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:42:02,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 14:42:02,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:42:02,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:42:02,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:42:02,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-10-11 14:42:02,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:42:02,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-11 14:42:02,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:42:02,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-11 14:42:02,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:42:02,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 14:42:02,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:42:02,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:42:02,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:42:02,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-11 14:42:02,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:42:02,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-11 14:42:02,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:42:02,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 14:42:02,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:42:02,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:42:02,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:42:02,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-10-11 14:42:02,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:42:02,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-10-11 14:42:02,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:42:02,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:42:02,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:42:02,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 14:42:02,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:42:02,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-10-11 14:42:02,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:42:02,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 14:42:02,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:42:02,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:42:02,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:42:02,782 INFO L134 CoverageAnalysis]: Checked inductivity of 477 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 477 trivial. 0 not checked. [2024-10-11 14:42:02,782 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 14:42:02,817 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [341352970] [2024-10-11 14:42:02,817 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [341352970] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 14:42:02,818 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 14:42:02,818 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-10-11 14:42:02,818 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1477801551] [2024-10-11 14:42:02,818 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 14:42:02,819 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-10-11 14:42:02,819 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 14:42:02,820 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-10-11 14:42:02,820 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2024-10-11 14:42:02,820 INFO L87 Difference]: Start difference. First operand 286 states and 400 transitions. Second operand has 14 states, 13 states have (on average 4.461538461538462) internal successors, (58), 7 states have internal predecessors, (58), 4 states have call successors, (31), 8 states have call predecessors, (31), 2 states have return successors, (29), 5 states have call predecessors, (29), 4 states have call successors, (29) [2024-10-11 14:42:05,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 14:42:05,783 INFO L93 Difference]: Finished difference Result 811 states and 1274 transitions. [2024-10-11 14:42:05,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-10-11 14:42:05,784 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 4.461538461538462) internal successors, (58), 7 states have internal predecessors, (58), 4 states have call successors, (31), 8 states have call predecessors, (31), 2 states have return successors, (29), 5 states have call predecessors, (29), 4 states have call successors, (29) Word has length 229 [2024-10-11 14:42:05,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 14:42:05,792 INFO L225 Difference]: With dead ends: 811 [2024-10-11 14:42:05,792 INFO L226 Difference]: Without dead ends: 594 [2024-10-11 14:42:05,794 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=107, Invalid=445, Unknown=0, NotChecked=0, Total=552 [2024-10-11 14:42:05,795 INFO L432 NwaCegarLoop]: 320 mSDtfsCounter, 534 mSDsluCounter, 2192 mSDsCounter, 0 mSdLazyCounter, 1991 mSolverCounterSat, 933 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 569 SdHoareTripleChecker+Valid, 2512 SdHoareTripleChecker+Invalid, 2924 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 933 IncrementalHoareTripleChecker+Valid, 1991 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2024-10-11 14:42:05,795 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [569 Valid, 2512 Invalid, 2924 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [933 Valid, 1991 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2024-10-11 14:42:05,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 594 states. [2024-10-11 14:42:05,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 594 to 376. [2024-10-11 14:42:05,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 376 states, 205 states have (on average 1.2292682926829268) internal successors, (252), 208 states have internal predecessors, (252), 143 states have call successors, (143), 24 states have call predecessors, (143), 27 states have return successors, (150), 144 states have call predecessors, (150), 142 states have call successors, (150) [2024-10-11 14:42:05,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 376 states and 545 transitions. [2024-10-11 14:42:05,837 INFO L78 Accepts]: Start accepts. Automaton has 376 states and 545 transitions. Word has length 229 [2024-10-11 14:42:05,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 14:42:05,838 INFO L471 AbstractCegarLoop]: Abstraction has 376 states and 545 transitions. [2024-10-11 14:42:05,838 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 4.461538461538462) internal successors, (58), 7 states have internal predecessors, (58), 4 states have call successors, (31), 8 states have call predecessors, (31), 2 states have return successors, (29), 5 states have call predecessors, (29), 4 states have call successors, (29) [2024-10-11 14:42:05,838 INFO L276 IsEmpty]: Start isEmpty. Operand 376 states and 545 transitions. [2024-10-11 14:42:05,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2024-10-11 14:42:05,841 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 14:42:05,841 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 14:42:05,841 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-11 14:42:05,841 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 14:42:05,842 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 14:42:05,842 INFO L85 PathProgramCache]: Analyzing trace with hash 1228013520, now seen corresponding path program 1 times [2024-10-11 14:42:05,842 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 14:42:05,842 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1211850938] [2024-10-11 14:42:05,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 14:42:05,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 14:42:06,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:42:08,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:42:08,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:42:08,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-11 14:42:08,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:42:08,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-11 14:42:08,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:42:08,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-11 14:42:08,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:42:08,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 14:42:08,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:42:08,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-11 14:42:08,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:42:08,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 14:42:08,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:42:08,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:42:08,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:42:08,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-11 14:42:08,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:42:08,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-11 14:42:08,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:42:08,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-11 14:42:08,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:42:08,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-10-11 14:42:08,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:42:08,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-11 14:42:08,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:42:08,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:42:08,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:42:08,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-11 14:42:08,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:42:08,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-11 14:42:08,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:42:08,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 14:42:08,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:42:08,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:42:08,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:42:08,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-10-11 14:42:08,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:42:08,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-11 14:42:08,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:42:08,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-10-11 14:42:08,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:42:08,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 14:42:08,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:42:08,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:42:08,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:42:08,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-10-11 14:42:08,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:42:08,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-11 14:42:08,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:42:08,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-11 14:42:08,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:42:08,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 14:42:08,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:42:08,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:42:08,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:42:08,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-11 14:42:08,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:42:08,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-11 14:42:08,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:42:08,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 14:42:08,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:42:08,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:42:08,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:42:08,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-10-11 14:42:08,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:42:08,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-10-11 14:42:08,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:42:08,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:42:08,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:42:08,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 14:42:08,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:42:08,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-10-11 14:42:08,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:42:08,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 14:42:08,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:42:08,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:42:08,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:42:08,963 INFO L134 CoverageAnalysis]: Checked inductivity of 477 backedges. 9 proven. 21 refuted. 0 times theorem prover too weak. 447 trivial. 0 not checked. [2024-10-11 14:42:08,964 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 14:42:08,964 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1211850938] [2024-10-11 14:42:08,964 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1211850938] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 14:42:08,964 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [915565953] [2024-10-11 14:42:08,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 14:42:08,964 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 14:42:08,965 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 14:42:08,966 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 14:42:08,968 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-10-11 14:42:09,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:42:09,742 INFO L255 TraceCheckSpWp]: Trace formula consists of 3232 conjuncts, 56 conjuncts are in the unsatisfiable core [2024-10-11 14:42:09,749 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 14:42:09,977 WARN L873 $PredicateComparison]: unable to prove that (exists ((v_ensure_array_list_has_allocated_data_member_~list.offset_8 Int)) (and (= (store |c_old(#memory_$Pointer$#2.base)| |c_ensure_array_list_has_allocated_data_member_#in~list.base| (store (select |c_old(#memory_$Pointer$#2.base)| |c_ensure_array_list_has_allocated_data_member_#in~list.base|) v_ensure_array_list_has_allocated_data_member_~list.offset_8 (select (select |c_#memory_$Pointer$#2.base| |c_ensure_array_list_has_allocated_data_member_#in~list.base|) v_ensure_array_list_has_allocated_data_member_~list.offset_8))) |c_#memory_$Pointer$#2.base|) (<= v_ensure_array_list_has_allocated_data_member_~list.offset_8 |c_ensure_array_list_has_allocated_data_member_#in~list.offset|) (= (store |c_old(#memory_$Pointer$#2.offset)| |c_ensure_array_list_has_allocated_data_member_#in~list.base| (store (select |c_old(#memory_$Pointer$#2.offset)| |c_ensure_array_list_has_allocated_data_member_#in~list.base|) v_ensure_array_list_has_allocated_data_member_~list.offset_8 (select (select |c_#memory_$Pointer$#2.offset| |c_ensure_array_list_has_allocated_data_member_#in~list.base|) v_ensure_array_list_has_allocated_data_member_~list.offset_8))) |c_#memory_$Pointer$#2.offset|))) is different from true [2024-10-11 14:42:10,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-11 14:42:10,016 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2024-10-11 14:42:10,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-11 14:42:10,024 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2024-10-11 14:42:10,350 INFO L134 CoverageAnalysis]: Checked inductivity of 477 backedges. 211 proven. 4 refuted. 0 times theorem prover too weak. 262 trivial. 0 not checked. [2024-10-11 14:42:10,350 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 14:42:11,097 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [915565953] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 14:42:11,097 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-11 14:42:11,097 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 10] total 19 [2024-10-11 14:42:11,097 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [274425170] [2024-10-11 14:42:11,097 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-11 14:42:11,098 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-10-11 14:42:11,098 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 14:42:11,099 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-10-11 14:42:11,100 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=477, Unknown=1, NotChecked=44, Total=600 [2024-10-11 14:42:11,100 INFO L87 Difference]: Start difference. First operand 376 states and 545 transitions. Second operand has 19 states, 17 states have (on average 6.470588235294118) internal successors, (110), 13 states have internal predecessors, (110), 7 states have call successors, (60), 9 states have call predecessors, (60), 7 states have return successors, (58), 5 states have call predecessors, (58), 7 states have call successors, (58) [2024-10-11 14:42:15,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 14:42:15,422 INFO L93 Difference]: Finished difference Result 1100 states and 1746 transitions. [2024-10-11 14:42:15,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-10-11 14:42:15,422 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 17 states have (on average 6.470588235294118) internal successors, (110), 13 states have internal predecessors, (110), 7 states have call successors, (60), 9 states have call predecessors, (60), 7 states have return successors, (58), 5 states have call predecessors, (58), 7 states have call successors, (58) Word has length 229 [2024-10-11 14:42:15,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 14:42:15,429 INFO L225 Difference]: With dead ends: 1100 [2024-10-11 14:42:15,429 INFO L226 Difference]: Without dead ends: 703 [2024-10-11 14:42:15,431 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 538 GetRequests, 494 SyntacticMatches, 8 SemanticMatches, 36 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 270 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=252, Invalid=1083, Unknown=1, NotChecked=70, Total=1406 [2024-10-11 14:42:15,432 INFO L432 NwaCegarLoop]: 286 mSDtfsCounter, 670 mSDsluCounter, 1663 mSDsCounter, 0 mSdLazyCounter, 3084 mSolverCounterSat, 779 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 734 SdHoareTripleChecker+Valid, 1949 SdHoareTripleChecker+Invalid, 4642 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 779 IncrementalHoareTripleChecker+Valid, 3084 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 779 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2024-10-11 14:42:15,432 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [734 Valid, 1949 Invalid, 4642 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [779 Valid, 3084 Invalid, 0 Unknown, 779 Unchecked, 3.6s Time] [2024-10-11 14:42:15,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 703 states. [2024-10-11 14:42:15,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 703 to 380. [2024-10-11 14:42:15,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 380 states, 208 states have (on average 1.2211538461538463) internal successors, (254), 211 states have internal predecessors, (254), 142 states have call successors, (142), 26 states have call predecessors, (142), 29 states have return successors, (149), 143 states have call predecessors, (149), 141 states have call successors, (149) [2024-10-11 14:42:15,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 380 states and 545 transitions. [2024-10-11 14:42:15,479 INFO L78 Accepts]: Start accepts. Automaton has 380 states and 545 transitions. Word has length 229 [2024-10-11 14:42:15,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 14:42:15,480 INFO L471 AbstractCegarLoop]: Abstraction has 380 states and 545 transitions. [2024-10-11 14:42:15,480 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 17 states have (on average 6.470588235294118) internal successors, (110), 13 states have internal predecessors, (110), 7 states have call successors, (60), 9 states have call predecessors, (60), 7 states have return successors, (58), 5 states have call predecessors, (58), 7 states have call successors, (58) [2024-10-11 14:42:15,480 INFO L276 IsEmpty]: Start isEmpty. Operand 380 states and 545 transitions. [2024-10-11 14:42:15,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2024-10-11 14:42:15,483 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 14:42:15,483 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 14:42:15,507 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-10-11 14:42:15,683 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2024-10-11 14:42:15,684 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 14:42:15,684 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 14:42:15,684 INFO L85 PathProgramCache]: Analyzing trace with hash -60180857, now seen corresponding path program 1 times [2024-10-11 14:42:15,684 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 14:42:15,684 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1324056299] [2024-10-11 14:42:15,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 14:42:15,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 14:42:16,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:42:16,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:42:16,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:42:16,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-11 14:42:16,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:42:16,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-11 14:42:16,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:42:16,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-11 14:42:16,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:42:16,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:42:17,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:42:17,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 14:42:17,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:42:17,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-11 14:42:17,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:42:17,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 14:42:17,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:42:17,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:42:17,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:42:17,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-10-11 14:42:17,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:42:17,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-11 14:42:17,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:42:17,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-11 14:42:17,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:42:17,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-11 14:42:17,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:42:17,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-11 14:42:17,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:42:17,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:42:17,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:42:17,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-11 14:42:17,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:42:17,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-11 14:42:17,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:42:17,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 14:42:17,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:42:17,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:42:17,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:42:17,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-11 14:42:17,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:42:17,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-11 14:42:17,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:42:17,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-11 14:42:17,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:42:17,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 14:42:17,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:42:17,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:42:17,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:42:17,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-10-11 14:42:17,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:42:17,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-11 14:42:17,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:42:17,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-11 14:42:17,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:42:17,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 14:42:17,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:42:17,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:42:17,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:42:17,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-11 14:42:17,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:42:17,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-10-11 14:42:17,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:42:17,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 14:42:17,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:42:17,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:42:17,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:42:17,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-10-11 14:42:17,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:42:17,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-10-11 14:42:17,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:42:17,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:42:17,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:42:17,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 14:42:17,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:42:17,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-10-11 14:42:17,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:42:17,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 14:42:17,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:42:17,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:42:17,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:42:17,346 INFO L134 CoverageAnalysis]: Checked inductivity of 479 backedges. 18 proven. 12 refuted. 0 times theorem prover too weak. 449 trivial. 0 not checked. [2024-10-11 14:42:17,346 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 14:42:17,346 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1324056299] [2024-10-11 14:42:17,346 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1324056299] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 14:42:17,347 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1435375214] [2024-10-11 14:42:17,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 14:42:17,347 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 14:42:17,347 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 14:42:17,349 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 14:42:17,350 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-10-11 14:42:18,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:42:18,070 INFO L255 TraceCheckSpWp]: Trace formula consists of 3271 conjuncts, 58 conjuncts are in the unsatisfiable core [2024-10-11 14:42:18,076 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 14:42:18,131 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2024-10-11 14:42:18,199 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 14 [2024-10-11 14:42:19,562 INFO L134 CoverageAnalysis]: Checked inductivity of 479 backedges. 117 proven. 0 refuted. 0 times theorem prover too weak. 362 trivial. 0 not checked. [2024-10-11 14:42:19,563 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 14:42:19,563 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1435375214] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 14:42:19,563 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 14:42:19,563 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [10] total 26 [2024-10-11 14:42:19,563 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1727127898] [2024-10-11 14:42:19,563 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 14:42:19,564 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-10-11 14:42:19,564 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 14:42:19,564 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-10-11 14:42:19,565 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=578, Unknown=0, NotChecked=0, Total=650 [2024-10-11 14:42:19,565 INFO L87 Difference]: Start difference. First operand 380 states and 545 transitions. Second operand has 18 states, 17 states have (on average 4.176470588235294) internal successors, (71), 16 states have internal predecessors, (71), 11 states have call successors, (33), 5 states have call predecessors, (33), 6 states have return successors, (31), 11 states have call predecessors, (31), 10 states have call successors, (31) [2024-10-11 14:42:23,941 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-10-11 14:42:28,556 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-10-11 14:42:33,613 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-10-11 14:42:37,645 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-10-11 14:42:41,655 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2024-10-11 14:42:45,682 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-10-11 14:42:49,764 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-10-11 14:42:53,822 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-10-11 14:42:57,847 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0]