./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_array_list_back_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c7c6ca5d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_array_list_back_harness.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 2279e66d659d6de4a6f1e9cba0e3ed135a3304882c70e550497f0feeaae371b4 --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-09 02:54:13,852 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 02:54:13,916 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-09 02:54:13,919 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 02:54:13,919 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 02:54:13,939 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 02:54:13,940 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 02:54:13,940 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 02:54:13,941 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 02:54:13,941 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 02:54:13,941 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 02:54:13,942 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 02:54:13,942 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 02:54:13,942 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 02:54:13,943 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 02:54:13,943 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 02:54:13,943 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 02:54:13,944 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 02:54:13,944 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 02:54:13,944 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 02:54:13,945 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 02:54:13,951 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 02:54:13,951 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 02:54:13,951 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 02:54:13,951 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 02:54:13,952 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 02:54:13,952 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 02:54:13,952 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 02:54:13,952 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 02:54:13,952 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 02:54:13,953 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 02:54:13,953 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 02:54:13,953 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 02:54:13,953 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 02:54:13,953 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 02:54:13,954 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 02:54:13,954 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 02:54:13,956 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 02:54:13,956 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 02:54:13,957 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2279e66d659d6de4a6f1e9cba0e3ed135a3304882c70e550497f0feeaae371b4 [2024-11-09 02:54:14,168 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 02:54:14,188 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 02:54:14,190 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 02:54:14,191 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 02:54:14,192 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 02:54:14,193 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_array_list_back_harness.i [2024-11-09 02:54:15,466 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 02:54:15,808 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 02:54:15,808 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_array_list_back_harness.i [2024-11-09 02:54:15,840 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1a9868b19/d1d647ebed7740d29a5afd733421bf82/FLAG9b39013e7 [2024-11-09 02:54:16,017 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1a9868b19/d1d647ebed7740d29a5afd733421bf82 [2024-11-09 02:54:16,020 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 02:54:16,021 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 02:54:16,022 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 02:54:16,022 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 02:54:16,026 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 02:54:16,026 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 02:54:16" (1/1) ... [2024-11-09 02:54:16,027 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@732e3c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:54:16, skipping insertion in model container [2024-11-09 02:54:16,027 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 02:54:16" (1/1) ... [2024-11-09 02:54:16,099 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 02:54:16,355 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_array_list_back_harness.i[4493,4506] [2024-11-09 02:54:16,362 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_array_list_back_harness.i[4553,4566] [2024-11-09 02:54:16,906 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:54:16,907 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:54:16,907 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:54:16,908 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:54:16,909 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:54:16,921 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:54:16,924 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:54:16,925 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:54:16,927 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:54:16,928 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:54:16,930 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:54:16,931 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:54:16,931 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:54:17,218 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:54:17,224 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:54:17,261 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 02:54:17,304 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 02:54:17,317 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_array_list_back_harness.i[4493,4506] [2024-11-09 02:54:17,318 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_array_list_back_harness.i[4553,4566] [2024-11-09 02:54:17,375 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:54:17,375 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:54:17,376 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:54:17,376 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:54:17,376 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:54:17,382 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:54:17,383 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:54:17,383 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:54:17,384 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:54:17,384 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:54:17,385 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:54:17,385 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:54:17,385 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:54:17,451 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:54:17,455 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:54:17,458 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7769-7780] [2024-11-09 02:54:17,471 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 02:54:17,646 INFO L204 MainTranslator]: Completed translation [2024-11-09 02:54:17,647 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:54:17 WrapperNode [2024-11-09 02:54:17,647 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 02:54:17,648 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 02:54:17,649 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 02:54:17,649 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 02:54:17,654 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:54:17" (1/1) ... [2024-11-09 02:54:17,714 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:54:17" (1/1) ... [2024-11-09 02:54:17,779 INFO L138 Inliner]: procedures = 680, calls = 1678, calls flagged for inlining = 52, calls inlined = 8, statements flattened = 656 [2024-11-09 02:54:17,783 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 02:54:17,784 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 02:54:17,784 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 02:54:17,784 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 02:54:17,798 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:54:17" (1/1) ... [2024-11-09 02:54:17,799 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:54:17" (1/1) ... [2024-11-09 02:54:17,811 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:54:17" (1/1) ... [2024-11-09 02:54:17,882 INFO L175 MemorySlicer]: Split 313 memory accesses to 6 slices as follows [6, 238, 2, 55, 9, 3]. 76 percent of accesses are in the largest equivalence class. The 24 initializations are split as follows [0, 6, 2, 10, 5, 1]. The 239 writes are split as follows [2, 232, 0, 3, 1, 1]. [2024-11-09 02:54:17,882 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:54:17" (1/1) ... [2024-11-09 02:54:17,883 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:54:17" (1/1) ... [2024-11-09 02:54:17,912 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:54:17" (1/1) ... [2024-11-09 02:54:17,919 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:54:17" (1/1) ... [2024-11-09 02:54:17,933 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:54:17" (1/1) ... [2024-11-09 02:54:17,941 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:54:17" (1/1) ... [2024-11-09 02:54:17,952 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 02:54:17,953 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 02:54:17,953 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 02:54:17,953 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 02:54:17,954 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:54:17" (1/1) ... [2024-11-09 02:54:17,960 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 02:54:17,971 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 02:54:17,991 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-09 02:54:17,993 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-09 02:54:18,030 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-09 02:54:18,031 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2024-11-09 02:54:18,031 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2024-11-09 02:54:18,031 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2024-11-09 02:54:18,032 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2024-11-09 02:54:18,032 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-09 02:54:18,032 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-09 02:54:18,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-09 02:54:18,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-09 02:54:18,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-09 02:54:18,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-09 02:54:18,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-09 02:54:18,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-09 02:54:18,033 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-09 02:54:18,033 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-09 02:54:18,033 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-09 02:54:18,034 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-09 02:54:18,034 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-09 02:54:18,034 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-09 02:54:18,034 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-11-09 02:54:18,034 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-11-09 02:54:18,034 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-09 02:54:18,034 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-09 02:54:18,034 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-09 02:54:18,035 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 02:54:18,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-09 02:54:18,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-09 02:54:18,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-09 02:54:18,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-09 02:54:18,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-09 02:54:18,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-09 02:54:18,036 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2024-11-09 02:54:18,036 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2024-11-09 02:54:18,036 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 02:54:18,036 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 02:54:18,036 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-09 02:54:18,036 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-09 02:54:18,036 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2024-11-09 02:54:18,037 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2024-11-09 02:54:18,037 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2024-11-09 02:54:18,037 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2024-11-09 02:54:18,037 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2024-11-09 02:54:18,037 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2024-11-09 02:54:18,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-09 02:54:18,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-09 02:54:18,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-09 02:54:18,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-09 02:54:18,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-09 02:54:18,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-09 02:54:18,037 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2024-11-09 02:54:18,037 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2024-11-09 02:54:18,037 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_length [2024-11-09 02:54:18,037 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_length [2024-11-09 02:54:18,037 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 02:54:18,037 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 02:54:18,037 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2024-11-09 02:54:18,037 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2024-11-09 02:54:18,038 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-09 02:54:18,038 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-09 02:54:18,038 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-09 02:54:18,038 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-09 02:54:18,038 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-09 02:54:18,038 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-09 02:54:18,038 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-09 02:54:18,038 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-09 02:54:18,038 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-09 02:54:18,040 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-09 02:54:18,040 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-09 02:54:18,040 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-09 02:54:18,040 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-09 02:54:18,040 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-09 02:54:18,040 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-09 02:54:18,041 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2024-11-09 02:54:18,041 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2024-11-09 02:54:18,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-09 02:54:18,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-09 02:54:18,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-09 02:54:18,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-09 02:54:18,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-09 02:54:18,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-09 02:54:18,041 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2024-11-09 02:54:18,042 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2024-11-09 02:54:18,042 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-09 02:54:18,042 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-09 02:54:18,042 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-09 02:54:18,042 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-09 02:54:18,042 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-09 02:54:18,042 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-09 02:54:18,298 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 02:54:18,300 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 02:54:24,293 INFO L? ?]: Removed 126 outVars from TransFormulas that were not future-live. [2024-11-09 02:54:24,294 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 02:54:24,305 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 02:54:24,306 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 02:54:24,306 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 02:54:24 BoogieIcfgContainer [2024-11-09 02:54:24,306 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 02:54:24,307 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 02:54:24,307 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 02:54:24,310 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 02:54:24,310 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 02:54:16" (1/3) ... [2024-11-09 02:54:24,311 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4cefcffa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 02:54:24, skipping insertion in model container [2024-11-09 02:54:24,311 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:54:17" (2/3) ... [2024-11-09 02:54:24,311 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4cefcffa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 02:54:24, skipping insertion in model container [2024-11-09 02:54:24,311 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 02:54:24" (3/3) ... [2024-11-09 02:54:24,312 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_array_list_back_harness.i [2024-11-09 02:54:24,344 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 02:54:24,344 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 02:54:24,425 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 02:54:24,435 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;@6b787af2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 02:54:24,436 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 02:54:24,440 INFO L276 IsEmpty]: Start isEmpty. Operand has 186 states, 112 states have (on average 1.2053571428571428) internal successors, (135), 113 states have internal predecessors, (135), 55 states have call successors, (55), 17 states have call predecessors, (55), 17 states have return successors, (55), 55 states have call predecessors, (55), 55 states have call successors, (55) [2024-11-09 02:54:24,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2024-11-09 02:54:24,455 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 02:54:24,456 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 02:54:24,456 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 02:54:24,460 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 02:54:24,461 INFO L85 PathProgramCache]: Analyzing trace with hash -357183169, now seen corresponding path program 1 times [2024-11-09 02:54:24,470 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 02:54:24,472 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [272486583] [2024-11-09 02:54:24,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 02:54:24,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 02:54:28,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:54:29,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 02:54:29,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:54:29,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 02:54:29,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:54:29,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 02:54:29,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:54:29,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 02:54:29,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:54:29,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-09 02:54:29,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:54:29,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-09 02:54:29,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:54:29,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-09 02:54:29,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:54:29,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-09 02:54:29,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:54:29,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-09 02:54:29,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:54:29,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-09 02:54:29,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:54:29,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 02:54:29,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:54:29,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-09 02:54:29,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:54:30,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-09 02:54:30,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:54:30,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-09 02:54:30,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:54:30,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-09 02:54:30,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:54:30,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-09 02:54:30,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:54:30,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-09 02:54:30,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:54:30,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-09 02:54:30,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:54:30,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-09 02:54:30,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:54:30,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-09 02:54:30,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:54:30,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-09 02:54:30,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:54:30,109 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-09 02:54:30,110 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 02:54:30,110 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [272486583] [2024-11-09 02:54:30,114 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [272486583] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 02:54:30,114 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 02:54:30,114 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 02:54:30,116 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [117104380] [2024-11-09 02:54:30,116 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 02:54:30,120 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 02:54:30,120 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 02:54:30,138 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 02:54:30,139 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 02:54:30,142 INFO L87 Difference]: Start difference. First operand has 186 states, 112 states have (on average 1.2053571428571428) internal successors, (135), 113 states have internal predecessors, (135), 55 states have call successors, (55), 17 states have call predecessors, (55), 17 states have return successors, (55), 55 states have call predecessors, (55), 55 states have call successors, (55) Second operand has 5 states, 5 states have (on average 9.2) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (23), 5 states have call predecessors, (23), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-09 02:54:34,226 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 02:54:38,634 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.41s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 02:54:43,030 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.39s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 02:54:46,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 02:54:46,924 INFO L93 Difference]: Finished difference Result 386 states and 555 transitions. [2024-11-09 02:54:46,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 02:54:46,926 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (23), 5 states have call predecessors, (23), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 129 [2024-11-09 02:54:46,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 02:54:46,934 INFO L225 Difference]: With dead ends: 386 [2024-11-09 02:54:46,934 INFO L226 Difference]: Without dead ends: 198 [2024-11-09 02:54:46,938 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2024-11-09 02:54:46,940 INFO L432 NwaCegarLoop]: 141 mSDtfsCounter, 199 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 170 mSolverCounterSat, 223 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 199 SdHoareTripleChecker+Valid, 208 SdHoareTripleChecker+Invalid, 396 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 223 IncrementalHoareTripleChecker+Valid, 170 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.2s IncrementalHoareTripleChecker+Time [2024-11-09 02:54:46,941 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [199 Valid, 208 Invalid, 396 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [223 Valid, 170 Invalid, 3 Unknown, 0 Unchecked, 16.2s Time] [2024-11-09 02:54:46,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 198 states. [2024-11-09 02:54:46,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 198 to 177. [2024-11-09 02:54:46,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 177 states, 105 states have (on average 1.161904761904762) internal successors, (122), 106 states have internal predecessors, (122), 55 states have call successors, (55), 17 states have call predecessors, (55), 16 states have return successors, (53), 53 states have call predecessors, (53), 53 states have call successors, (53) [2024-11-09 02:54:46,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 230 transitions. [2024-11-09 02:54:46,990 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 230 transitions. Word has length 129 [2024-11-09 02:54:46,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 02:54:46,991 INFO L471 AbstractCegarLoop]: Abstraction has 177 states and 230 transitions. [2024-11-09 02:54:46,991 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (23), 5 states have call predecessors, (23), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-09 02:54:46,991 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 230 transitions. [2024-11-09 02:54:46,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2024-11-09 02:54:46,994 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 02:54:46,995 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 02:54:46,995 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 02:54:46,995 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 02:54:46,995 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 02:54:46,995 INFO L85 PathProgramCache]: Analyzing trace with hash -298153149, now seen corresponding path program 1 times [2024-11-09 02:54:46,996 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 02:54:46,996 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [267921338] [2024-11-09 02:54:46,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 02:54:46,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 02:54:50,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:54:51,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 02:54:51,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:54:51,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 02:54:51,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:54:51,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 02:54:51,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:54:51,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 02:54:51,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:54:51,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-09 02:54:51,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:54:52,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-09 02:54:52,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:54:52,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-09 02:54:52,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:54:52,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-09 02:54:52,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:54:52,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-09 02:54:52,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:54:52,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-09 02:54:52,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:54:52,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 02:54:52,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:54:52,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-09 02:54:52,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:54:52,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-09 02:54:52,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:54:52,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-09 02:54:52,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:54:52,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-09 02:54:52,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:54:52,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-09 02:54:52,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:54:52,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-09 02:54:52,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:54:52,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-09 02:54:52,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:54:52,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-09 02:54:52,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:54:52,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-09 02:54:52,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:54:52,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-09 02:54:52,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:54:52,911 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2024-11-09 02:54:52,911 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 02:54:52,912 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [267921338] [2024-11-09 02:54:52,912 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [267921338] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 02:54:52,912 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [11397496] [2024-11-09 02:54:52,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 02:54:52,912 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 02:54:52,912 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 02:54:52,914 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 02:54:52,915 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-09 02:54:57,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:54:57,612 INFO L255 TraceCheckSpWp]: Trace formula consists of 4262 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 02:54:57,626 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 02:54:58,788 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 140 trivial. 0 not checked. [2024-11-09 02:54:58,788 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 02:54:58,788 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [11397496] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 02:54:58,789 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 02:54:58,789 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [8] total 12 [2024-11-09 02:54:58,790 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [151574912] [2024-11-09 02:54:58,790 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 02:54:58,791 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 02:54:58,791 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 02:54:58,793 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 02:54:58,793 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2024-11-09 02:54:58,793 INFO L87 Difference]: Start difference. First operand 177 states and 230 transitions. Second operand has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 6 states have internal predecessors, (52), 3 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2024-11-09 02:55:02,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 02:55:02,306 INFO L93 Difference]: Finished difference Result 327 states and 431 transitions. [2024-11-09 02:55:02,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 02:55:02,310 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 6 states have internal predecessors, (52), 3 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) Word has length 129 [2024-11-09 02:55:02,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 02:55:02,313 INFO L225 Difference]: With dead ends: 327 [2024-11-09 02:55:02,313 INFO L226 Difference]: Without dead ends: 179 [2024-11-09 02:55:02,314 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 177 GetRequests, 164 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=39, Invalid=171, Unknown=0, NotChecked=0, Total=210 [2024-11-09 02:55:02,315 INFO L432 NwaCegarLoop]: 178 mSDtfsCounter, 242 mSDsluCounter, 480 mSDsCounter, 0 mSdLazyCounter, 177 mSolverCounterSat, 74 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 244 SdHoareTripleChecker+Valid, 658 SdHoareTripleChecker+Invalid, 251 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 74 IncrementalHoareTripleChecker+Valid, 177 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2024-11-09 02:55:02,316 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [244 Valid, 658 Invalid, 251 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [74 Valid, 177 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2024-11-09 02:55:02,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179 states. [2024-11-09 02:55:02,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 179. [2024-11-09 02:55:02,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 179 states, 106 states have (on average 1.1603773584905661) internal successors, (123), 108 states have internal predecessors, (123), 55 states have call successors, (55), 17 states have call predecessors, (55), 17 states have return successors, (58), 53 states have call predecessors, (58), 53 states have call successors, (58) [2024-11-09 02:55:02,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 236 transitions. [2024-11-09 02:55:02,339 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 236 transitions. Word has length 129 [2024-11-09 02:55:02,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 02:55:02,339 INFO L471 AbstractCegarLoop]: Abstraction has 179 states and 236 transitions. [2024-11-09 02:55:02,339 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 6 states have internal predecessors, (52), 3 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2024-11-09 02:55:02,340 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 236 transitions. [2024-11-09 02:55:02,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2024-11-09 02:55:02,341 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 02:55:02,342 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 5, 5, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 02:55:02,364 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-09 02:55:02,542 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 02:55:02,543 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 02:55:02,543 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 02:55:02,544 INFO L85 PathProgramCache]: Analyzing trace with hash -1469361281, now seen corresponding path program 1 times [2024-11-09 02:55:02,544 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 02:55:02,544 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1597037118] [2024-11-09 02:55:02,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 02:55:02,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 02:55:06,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:55:07,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 02:55:07,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:55:07,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 02:55:07,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:55:08,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 02:55:08,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:55:08,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 02:55:08,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:55:08,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-09 02:55:08,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:55:08,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-09 02:55:08,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:55:08,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 02:55:08,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:55:08,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 02:55:08,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:55:08,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-09 02:55:08,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:55:08,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-09 02:55:08,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:55:08,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-09 02:55:08,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:55:08,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-09 02:55:08,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:55:08,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 02:55:08,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:55:09,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-09 02:55:09,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:55:09,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 02:55:09,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:55:09,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 02:55:09,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:55:09,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-09 02:55:09,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:55:09,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-09 02:55:09,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:55:09,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-09 02:55:09,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:55:09,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-09 02:55:09,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:55:09,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-09 02:55:09,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:55:09,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-09 02:55:09,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:55:09,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-09 02:55:09,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:55:09,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-09 02:55:09,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:55:09,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-09 02:55:09,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:55:09,560 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 223 trivial. 0 not checked. [2024-11-09 02:55:09,563 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 02:55:09,563 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1597037118] [2024-11-09 02:55:09,563 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1597037118] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 02:55:09,563 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1905722972] [2024-11-09 02:55:09,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 02:55:09,563 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 02:55:09,563 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 02:55:09,565 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 02:55:09,567 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-09 02:55:14,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:55:14,299 INFO L255 TraceCheckSpWp]: Trace formula consists of 4516 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-09 02:55:14,304 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 02:55:16,393 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 126 proven. 0 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2024-11-09 02:55:16,394 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 02:55:16,394 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1905722972] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 02:55:16,394 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 02:55:16,394 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [10] total 15 [2024-11-09 02:55:16,394 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1202759799] [2024-11-09 02:55:16,394 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 02:55:16,395 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 02:55:16,395 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 02:55:16,395 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 02:55:16,396 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2024-11-09 02:55:16,397 INFO L87 Difference]: Start difference. First operand 179 states and 236 transitions. Second operand has 7 states, 6 states have (on average 11.0) internal successors, (66), 7 states have internal predecessors, (66), 4 states have call successors, (25), 2 states have call predecessors, (25), 3 states have return successors, (23), 3 states have call predecessors, (23), 4 states have call successors, (23) [2024-11-09 02:55:20,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 02:55:20,797 INFO L93 Difference]: Finished difference Result 289 states and 381 transitions. [2024-11-09 02:55:20,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 02:55:20,798 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 11.0) internal successors, (66), 7 states have internal predecessors, (66), 4 states have call successors, (25), 2 states have call predecessors, (25), 3 states have return successors, (23), 3 states have call predecessors, (23), 4 states have call successors, (23) Word has length 159 [2024-11-09 02:55:20,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 02:55:20,800 INFO L225 Difference]: With dead ends: 289 [2024-11-09 02:55:20,800 INFO L226 Difference]: Without dead ends: 179 [2024-11-09 02:55:20,801 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 219 GetRequests, 202 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=55, Invalid=287, Unknown=0, NotChecked=0, Total=342 [2024-11-09 02:55:20,802 INFO L432 NwaCegarLoop]: 175 mSDtfsCounter, 245 mSDsluCounter, 640 mSDsCounter, 0 mSdLazyCounter, 227 mSolverCounterSat, 71 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 247 SdHoareTripleChecker+Valid, 815 SdHoareTripleChecker+Invalid, 298 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 71 IncrementalHoareTripleChecker+Valid, 227 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2024-11-09 02:55:20,802 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [247 Valid, 815 Invalid, 298 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [71 Valid, 227 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2024-11-09 02:55:20,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179 states. [2024-11-09 02:55:20,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 179. [2024-11-09 02:55:20,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 179 states, 106 states have (on average 1.1603773584905661) internal successors, (123), 108 states have internal predecessors, (123), 55 states have call successors, (55), 17 states have call predecessors, (55), 17 states have return successors, (55), 53 states have call predecessors, (55), 53 states have call successors, (55) [2024-11-09 02:55:20,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 233 transitions. [2024-11-09 02:55:20,816 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 233 transitions. Word has length 159 [2024-11-09 02:55:20,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 02:55:20,817 INFO L471 AbstractCegarLoop]: Abstraction has 179 states and 233 transitions. [2024-11-09 02:55:20,817 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 11.0) internal successors, (66), 7 states have internal predecessors, (66), 4 states have call successors, (25), 2 states have call predecessors, (25), 3 states have return successors, (23), 3 states have call predecessors, (23), 4 states have call successors, (23) [2024-11-09 02:55:20,817 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 233 transitions. [2024-11-09 02:55:20,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2024-11-09 02:55:20,819 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 02:55:20,819 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 5, 5, 3, 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] [2024-11-09 02:55:20,841 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-09 02:55:21,019 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2024-11-09 02:55:21,020 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 02:55:21,020 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 02:55:21,020 INFO L85 PathProgramCache]: Analyzing trace with hash 1115773871, now seen corresponding path program 2 times [2024-11-09 02:55:21,020 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 02:55:21,020 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1052086456] [2024-11-09 02:55:21,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 02:55:21,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 02:55:24,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:55:26,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 02:55:26,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:55:26,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 02:55:26,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:55:26,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 02:55:26,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:55:26,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 02:55:26,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:55:26,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-09 02:55:26,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:55:26,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-09 02:55:26,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:55:27,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 02:55:27,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:55:27,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 02:55:27,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:55:27,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-09 02:55:27,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:55:27,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-09 02:55:27,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:55:27,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-09 02:55:27,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:55:27,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-09 02:55:27,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:55:27,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 02:55:27,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:55:27,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-09 02:55:27,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:55:27,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 02:55:27,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:55:27,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 02:55:27,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:55:27,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-09 02:55:27,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:55:27,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-09 02:55:27,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:55:27,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-09 02:55:27,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:55:27,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 02:55:27,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:55:27,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 02:55:27,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:55:27,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-09 02:55:27,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:55:27,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-09 02:55:27,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:55:27,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-09 02:55:27,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:55:27,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-09 02:55:27,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:55:28,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-09 02:55:28,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:55:28,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-09 02:55:28,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:55:28,213 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 9 proven. 3 refuted. 0 times theorem prover too weak. 253 trivial. 0 not checked. [2024-11-09 02:55:28,214 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 02:55:28,214 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1052086456] [2024-11-09 02:55:28,214 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1052086456] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 02:55:28,214 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [874594281] [2024-11-09 02:55:28,214 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-09 02:55:28,214 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 02:55:28,214 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 02:55:28,216 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 02:55:28,217 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process