./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_array_list_swap_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 023d838f 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_swap_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 6f838ff631dd7d907eee223e4bc065b6ce71a3dd1969d0a88cef9ccdcf3b54d1 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 10:45:30,734 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 10:45:30,800 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-10 10:45:30,807 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 10:45:30,808 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 10:45:30,835 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 10:45:30,836 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 10:45:30,836 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 10:45:30,837 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 10:45:30,838 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 10:45:30,841 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 10:45:30,841 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 10:45:30,842 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 10:45:30,842 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 10:45:30,842 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 10:45:30,842 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 10:45:30,842 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 10:45:30,843 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 10:45:30,843 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 10:45:30,843 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 10:45:30,843 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 10:45:30,846 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 10:45:30,846 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 10:45:30,847 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 10:45:30,847 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 10:45:30,847 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 10:45:30,847 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 10:45:30,847 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 10:45:30,848 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 10:45:30,848 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 10:45:30,848 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 10:45:30,848 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 10:45:30,848 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 10:45:30,848 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 10:45:30,849 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 10:45:30,849 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 10:45:30,849 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 10:45:30,849 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 10:45:30,849 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 10:45:30,849 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6f838ff631dd7d907eee223e4bc065b6ce71a3dd1969d0a88cef9ccdcf3b54d1 [2024-11-10 10:45:31,073 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 10:45:31,094 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 10:45:31,096 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 10:45:31,097 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 10:45:31,097 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 10:45:31,098 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_array_list_swap_harness.i [2024-11-10 10:45:32,651 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 10:45:33,048 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 10:45:33,049 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_array_list_swap_harness.i [2024-11-10 10:45:33,083 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/64ccc84ca/4cbd6c01c05249868f17c57816e584fb/FLAGc33286302 [2024-11-10 10:45:33,098 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/64ccc84ca/4cbd6c01c05249868f17c57816e584fb [2024-11-10 10:45:33,102 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 10:45:33,103 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 10:45:33,104 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 10:45:33,105 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 10:45:33,109 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 10:45:33,110 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 10:45:33" (1/1) ... [2024-11-10 10:45:33,110 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ec4bbc1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:45:33, skipping insertion in model container [2024-11-10 10:45:33,110 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 10:45:33" (1/1) ... [2024-11-10 10:45:33,273 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 10:45:33,507 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_swap_harness.i[4493,4506] [2024-11-10 10:45:33,515 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_swap_harness.i[4553,4566] [2024-11-10 10:45:34,064 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:45:34,064 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:45:34,065 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:45:34,065 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:45:34,066 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:45:34,085 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:45:34,087 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:45:34,093 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:45:34,093 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:45:34,094 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:45:34,095 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:45:34,095 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:45:34,096 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:45:34,412 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:45:34,413 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:45:34,416 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:45:34,421 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:45:34,459 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 10:45:34,492 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 10:45:34,506 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_swap_harness.i[4493,4506] [2024-11-10 10:45:34,508 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_swap_harness.i[4553,4566] [2024-11-10 10:45:34,575 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:45:34,576 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:45:34,576 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:45:34,576 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:45:34,576 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:45:34,581 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:45:34,584 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:45:34,586 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:45:34,587 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:45:34,589 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:45:34,589 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:45:34,590 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:45:34,590 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:45:34,678 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:45:34,682 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:45:34,683 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:45:34,687 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:45:34,696 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7775-7786] [2024-11-10 10:45:34,712 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 10:45:35,009 INFO L204 MainTranslator]: Completed translation [2024-11-10 10:45:35,010 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:45:35 WrapperNode [2024-11-10 10:45:35,010 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 10:45:35,011 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 10:45:35,011 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 10:45:35,011 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 10:45:35,052 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:45:35" (1/1) ... [2024-11-10 10:45:35,144 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:45:35" (1/1) ... [2024-11-10 10:45:35,228 INFO L138 Inliner]: procedures = 680, calls = 1677, calls flagged for inlining = 52, calls inlined = 8, statements flattened = 653 [2024-11-10 10:45:35,229 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 10:45:35,230 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 10:45:35,230 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 10:45:35,230 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 10:45:35,245 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:45:35" (1/1) ... [2024-11-10 10:45:35,246 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:45:35" (1/1) ... [2024-11-10 10:45:35,256 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:45:35" (1/1) ... [2024-11-10 10:45:35,322 INFO L175 MemorySlicer]: Split 302 memory accesses to 7 slices as follows [238, 2, 6, 5, 39, 3, 9]. 79 percent of accesses are in the largest equivalence class. The 26 initializations are split as follows [6, 2, 5, 2, 5, 1, 5]. The 238 writes are split as follows [232, 0, 1, 1, 3, 1, 0]. [2024-11-10 10:45:35,322 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:45:35" (1/1) ... [2024-11-10 10:45:35,322 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:45:35" (1/1) ... [2024-11-10 10:45:35,354 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:45:35" (1/1) ... [2024-11-10 10:45:35,359 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:45:35" (1/1) ... [2024-11-10 10:45:35,368 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:45:35" (1/1) ... [2024-11-10 10:45:35,375 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:45:35" (1/1) ... [2024-11-10 10:45:35,384 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 10:45:35,385 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 10:45:35,385 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 10:45:35,386 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 10:45:35,386 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:45:35" (1/1) ... [2024-11-10 10:45:35,394 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 10:45:35,405 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 10:45:35,420 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) [2024-11-10 10:45:35,423 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 [2024-11-10 10:45:35,462 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-10 10:45:35,462 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2024-11-10 10:45:35,462 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2024-11-10 10:45:35,462 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2024-11-10 10:45:35,462 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2024-11-10 10:45:35,463 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-10 10:45:35,463 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-10 10:45:35,463 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-10 10:45:35,463 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-10 10:45:35,463 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-10 10:45:35,463 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-10 10:45:35,463 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-10 10:45:35,463 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-10 10:45:35,463 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-10 10:45:35,463 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-10 10:45:35,464 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-10 10:45:35,464 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-10 10:45:35,464 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-10 10:45:35,464 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-10 10:45:35,464 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-10 10:45:35,465 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-10 10:45:35,465 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-11-10 10:45:35,466 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-11-10 10:45:35,466 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-10 10:45:35,466 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-10 10:45:35,466 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-10 10:45:35,466 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 10:45:35,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-10 10:45:35,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-10 10:45:35,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-10 10:45:35,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-10 10:45:35,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-10 10:45:35,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-10 10:45:35,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-10 10:45:35,466 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2024-11-10 10:45:35,466 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2024-11-10 10:45:35,466 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 10:45:35,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 10:45:35,466 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-10 10:45:35,466 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-10 10:45:35,466 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2024-11-10 10:45:35,467 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2024-11-10 10:45:35,467 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-10 10:45:35,467 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-10 10:45:35,467 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-10 10:45:35,467 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-10 10:45:35,467 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-10 10:45:35,467 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-10 10:45:35,467 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-10 10:45:35,467 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_length [2024-11-10 10:45:35,467 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_length [2024-11-10 10:45:35,467 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-10 10:45:35,467 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-10 10:45:35,467 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2024-11-10 10:45:35,467 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2024-11-10 10:45:35,467 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-10 10:45:35,467 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-10 10:45:35,467 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-10 10:45:35,467 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-10 10:45:35,467 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-10 10:45:35,467 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-10 10:45:35,468 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-10 10:45:35,468 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-10 10:45:35,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-10 10:45:35,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-10 10:45:35,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-10 10:45:35,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-10 10:45:35,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-10 10:45:35,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-10 10:45:35,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-10 10:45:35,468 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_get_at_ptr [2024-11-10 10:45:35,470 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_get_at_ptr [2024-11-10 10:45:35,470 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-10 10:45:35,470 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-10 10:45:35,470 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2024-11-10 10:45:35,470 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2024-11-10 10:45:35,471 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-10 10:45:35,471 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-10 10:45:35,471 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-10 10:45:35,471 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-10 10:45:35,471 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-10 10:45:35,471 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-10 10:45:35,471 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-10 10:45:35,471 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2024-11-10 10:45:35,471 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2024-11-10 10:45:35,471 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 10:45:35,471 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-10 10:45:35,472 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-10 10:45:35,472 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-10 10:45:35,472 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-10 10:45:35,472 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-10 10:45:35,472 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-10 10:45:35,708 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 10:45:35,711 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 10:45:35,748 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2782: havoc #t~malloc77.base, #t~malloc77.offset; [2024-11-10 10:45:35,781 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2588: havoc #t~ret57#1; [2024-11-10 10:45:35,802 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L267: havoc nondet_uint8_t_#t~nondet10#1; [2024-11-10 10:45:35,913 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L3268: call ULTIMATE.dealloc(~#required_size~0.base, ~#required_size~0.offset);havoc ~#required_size~0.base, ~#required_size~0.offset; [2024-11-10 10:45:35,917 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2024-11-10 10:45:35,952 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L3527: havoc #t~ret286; [2024-11-10 10:45:35,968 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L7396: havoc #t~ret682.base, #t~ret682.offset; [2024-11-10 10:45:41,523 INFO L? ?]: Removed 108 outVars from TransFormulas that were not future-live. [2024-11-10 10:45:41,523 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 10:45:41,540 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 10:45:41,542 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 10:45:41,543 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 10:45:41 BoogieIcfgContainer [2024-11-10 10:45:41,543 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 10:45:41,545 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 10:45:41,546 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 10:45:41,549 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 10:45:41,549 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 10:45:33" (1/3) ... [2024-11-10 10:45:41,550 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65ae5ed6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 10:45:41, skipping insertion in model container [2024-11-10 10:45:41,550 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:45:35" (2/3) ... [2024-11-10 10:45:41,551 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65ae5ed6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 10:45:41, skipping insertion in model container [2024-11-10 10:45:41,551 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 10:45:41" (3/3) ... [2024-11-10 10:45:41,553 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_array_list_swap_harness.i [2024-11-10 10:45:41,568 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 10:45:41,568 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-10 10:45:41,635 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 10:45:41,642 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;@36296009, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 10:45:41,643 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-10 10:45:41,649 INFO L276 IsEmpty]: Start isEmpty. Operand has 181 states, 103 states have (on average 1.1650485436893203) internal successors, (120), 104 states have internal predecessors, (120), 61 states have call successors, (61), 15 states have call predecessors, (61), 15 states have return successors, (61), 61 states have call predecessors, (61), 61 states have call successors, (61) [2024-11-10 10:45:41,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-11-10 10:45:41,659 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 10:45:41,661 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 10:45:41,662 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 10:45:41,667 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 10:45:41,668 INFO L85 PathProgramCache]: Analyzing trace with hash 2108669169, now seen corresponding path program 1 times [2024-11-10 10:45:41,675 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 10:45:41,676 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [172152042] [2024-11-10 10:45:41,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 10:45:41,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 10:45:46,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:45:47,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 10:45:47,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:45:47,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 10:45:47,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:45:47,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 10:45:47,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:45:47,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-10 10:45:47,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:45:47,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-10 10:45:47,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:45:47,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-10 10:45:47,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:45:47,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-10 10:45:47,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:45:47,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-10 10:45:47,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:45:47,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-10 10:45:47,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:45:47,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 10:45:47,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:45:47,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 10:45:47,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:45:47,743 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-11-10 10:45:47,745 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 10:45:47,745 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [172152042] [2024-11-10 10:45:47,746 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [172152042] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 10:45:47,747 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 10:45:47,747 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 10:45:47,748 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [71407708] [2024-11-10 10:45:47,749 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 10:45:47,753 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 10:45:47,753 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 10:45:47,775 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 10:45:47,776 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 10:45:47,778 INFO L87 Difference]: Start difference. First operand has 181 states, 103 states have (on average 1.1650485436893203) internal successors, (120), 104 states have internal predecessors, (120), 61 states have call successors, (61), 15 states have call predecessors, (61), 15 states have return successors, (61), 61 states have call predecessors, (61), 61 states have call successors, (61) Second operand has 4 states, 4 states have (on average 6.75) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (13), 4 states have call predecessors, (13), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-10 10:45:51,869 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 [] [2024-11-10 10:45:56,246 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.37s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-10 10:46:02,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 10:46:02,676 INFO L93 Difference]: Finished difference Result 388 states and 593 transitions. [2024-11-10 10:46:02,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 10:46:02,679 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (13), 4 states have call predecessors, (13), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 69 [2024-11-10 10:46:02,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 10:46:02,688 INFO L225 Difference]: With dead ends: 388 [2024-11-10 10:46:02,689 INFO L226 Difference]: Without dead ends: 209 [2024-11-10 10:46:02,693 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-10 10:46:02,696 INFO L432 NwaCegarLoop]: 142 mSDtfsCounter, 118 mSDsluCounter, 77 mSDsCounter, 0 mSdLazyCounter, 304 mSolverCounterSat, 185 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 118 SdHoareTripleChecker+Valid, 219 SdHoareTripleChecker+Invalid, 491 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 185 IncrementalHoareTripleChecker+Valid, 304 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.2s IncrementalHoareTripleChecker+Time [2024-11-10 10:46:02,697 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [118 Valid, 219 Invalid, 491 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [185 Valid, 304 Invalid, 2 Unknown, 0 Unchecked, 14.2s Time] [2024-11-10 10:46:02,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 209 states. [2024-11-10 10:46:02,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 209 to 175. [2024-11-10 10:46:02,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 175 states, 98 states have (on average 1.1428571428571428) internal successors, (112), 99 states have internal predecessors, (112), 61 states have call successors, (61), 15 states have call predecessors, (61), 15 states have return successors, (60), 60 states have call predecessors, (60), 60 states have call successors, (60) [2024-11-10 10:46:02,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 233 transitions. [2024-11-10 10:46:02,773 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 233 transitions. Word has length 69 [2024-11-10 10:46:02,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 10:46:02,774 INFO L471 AbstractCegarLoop]: Abstraction has 175 states and 233 transitions. [2024-11-10 10:46:02,774 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (13), 4 states have call predecessors, (13), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-10 10:46:02,774 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 233 transitions. [2024-11-10 10:46:02,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-11-10 10:46:02,777 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 10:46:02,777 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 10:46:02,777 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 10:46:02,777 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 10:46:02,778 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 10:46:02,778 INFO L85 PathProgramCache]: Analyzing trace with hash -468923244, now seen corresponding path program 1 times [2024-11-10 10:46:02,778 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 10:46:02,778 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1298369614] [2024-11-10 10:46:02,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 10:46:02,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 10:46:06,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:46:07,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 10:46:07,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:46:07,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 10:46:07,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:46:08,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 10:46:08,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:46:08,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-10 10:46:08,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:46:08,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-10 10:46:08,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:46:08,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-10 10:46:08,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:46:08,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-10 10:46:08,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:46:08,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-10 10:46:08,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:46:08,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-10 10:46:08,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:46:08,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 10:46:08,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:46:08,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 10:46:08,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:46:08,936 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2024-11-10 10:46:08,936 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 10:46:08,936 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1298369614] [2024-11-10 10:46:08,936 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1298369614] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 10:46:08,936 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1954044751] [2024-11-10 10:46:08,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 10:46:08,937 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 10:46:08,937 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 10:46:08,938 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) [2024-11-10 10:46:08,939 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-10 10:46:13,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:46:13,427 INFO L255 TraceCheckSpWp]: Trace formula consists of 4018 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-10 10:46:13,435 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 10:46:14,687 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-10 10:46:14,690 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 10:46:14,690 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1954044751] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 10:46:14,690 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-10 10:46:14,690 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [7] total 11 [2024-11-10 10:46:14,691 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [571772107] [2024-11-10 10:46:14,693 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 10:46:14,694 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 10:46:14,694 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 10:46:14,694 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 10:46:14,694 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2024-11-10 10:46:14,695 INFO L87 Difference]: Start difference. First operand 175 states and 233 transitions. Second operand has 6 states, 6 states have (on average 5.5) internal successors, (33), 6 states have internal predecessors, (33), 3 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2024-11-10 10:46:18,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 10:46:18,384 INFO L93 Difference]: Finished difference Result 315 states and 432 transitions. [2024-11-10 10:46:18,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 10:46:18,388 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.5) internal successors, (33), 6 states have internal predecessors, (33), 3 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 69 [2024-11-10 10:46:18,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 10:46:18,391 INFO L225 Difference]: With dead ends: 315 [2024-11-10 10:46:18,391 INFO L226 Difference]: Without dead ends: 177 [2024-11-10 10:46:18,392 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2024-11-10 10:46:18,395 INFO L432 NwaCegarLoop]: 179 mSDtfsCounter, 238 mSDsluCounter, 487 mSDsCounter, 0 mSdLazyCounter, 190 mSolverCounterSat, 71 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 243 SdHoareTripleChecker+Valid, 666 SdHoareTripleChecker+Invalid, 261 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 71 IncrementalHoareTripleChecker+Valid, 190 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2024-11-10 10:46:18,398 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [243 Valid, 666 Invalid, 261 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [71 Valid, 190 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2024-11-10 10:46:18,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 177 states. [2024-11-10 10:46:18,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 177 to 177. [2024-11-10 10:46:18,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 177 states, 99 states have (on average 1.1414141414141414) internal successors, (113), 101 states have internal predecessors, (113), 61 states have call successors, (61), 15 states have call predecessors, (61), 16 states have return successors, (68), 60 states have call predecessors, (68), 60 states have call successors, (68) [2024-11-10 10:46:18,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 242 transitions. [2024-11-10 10:46:18,454 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 242 transitions. Word has length 69 [2024-11-10 10:46:18,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 10:46:18,456 INFO L471 AbstractCegarLoop]: Abstraction has 177 states and 242 transitions. [2024-11-10 10:46:18,457 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.5) internal successors, (33), 6 states have internal predecessors, (33), 3 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2024-11-10 10:46:18,457 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 242 transitions. [2024-11-10 10:46:18,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-11-10 10:46:18,458 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 10:46:18,459 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 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] [2024-11-10 10:46:18,484 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-10 10:46:18,659 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 [2024-11-10 10:46:18,660 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 10:46:18,661 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 10:46:18,661 INFO L85 PathProgramCache]: Analyzing trace with hash 817505215, now seen corresponding path program 1 times [2024-11-10 10:46:18,661 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 10:46:18,661 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [541124284] [2024-11-10 10:46:18,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 10:46:18,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 10:46:22,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:46:23,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 10:46:23,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:46:23,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 10:46:23,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:46:24,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 10:46:24,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:46:24,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-10 10:46:24,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:46:24,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-10 10:46:24,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:46:25,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-10 10:46:25,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:46:25,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 10:46:25,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:46:25,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-10 10:46:25,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:46:25,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-10 10:46:25,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:46:25,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-10 10:46:25,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:46:25,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-10 10:46:25,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:46:25,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-10 10:46:25,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:46:25,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-10 10:46:25,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:46:26,006 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2024-11-10 10:46:26,007 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 10:46:26,007 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [541124284] [2024-11-10 10:46:26,007 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [541124284] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 10:46:26,007 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1839498853] [2024-11-10 10:46:26,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 10:46:26,008 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 10:46:26,011 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 10:46:26,013 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) [2024-11-10 10:46:26,021 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-10 10:46:30,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:46:30,639 INFO L255 TraceCheckSpWp]: Trace formula consists of 4145 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-10 10:46:30,645 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 10:46:32,873 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-10 10:46:32,873 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 10:46:32,873 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1839498853] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 10:46:32,874 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-10 10:46:32,874 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [10] total 16 [2024-11-10 10:46:32,875 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1857344049] [2024-11-10 10:46:32,875 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 10:46:32,875 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-10 10:46:32,875 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 10:46:32,876 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-10 10:46:32,876 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=205, Unknown=0, NotChecked=0, Total=240 [2024-11-10 10:46:32,876 INFO L87 Difference]: Start difference. First operand 177 states and 242 transitions. Second operand has 8 states, 8 states have (on average 5.875) internal successors, (47), 7 states have internal predecessors, (47), 4 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (13), 4 states have call predecessors, (13), 4 states have call successors, (13) [2024-11-10 10:46:38,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 10:46:38,843 INFO L93 Difference]: Finished difference Result 326 states and 455 transitions. [2024-11-10 10:46:38,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-10 10:46:38,843 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.875) internal successors, (47), 7 states have internal predecessors, (47), 4 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (13), 4 states have call predecessors, (13), 4 states have call successors, (13) Word has length 84 [2024-11-10 10:46:38,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 10:46:38,845 INFO L225 Difference]: With dead ends: 326 [2024-11-10 10:46:38,845 INFO L226 Difference]: Without dead ends: 189 [2024-11-10 10:46:38,847 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 4.9s TimeCoverageRelationStatistics Valid=61, Invalid=359, Unknown=0, NotChecked=0, Total=420 [2024-11-10 10:46:38,848 INFO L432 NwaCegarLoop]: 173 mSDtfsCounter, 258 mSDsluCounter, 820 mSDsCounter, 0 mSdLazyCounter, 335 mSolverCounterSat, 86 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 263 SdHoareTripleChecker+Valid, 993 SdHoareTripleChecker+Invalid, 421 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 86 IncrementalHoareTripleChecker+Valid, 335 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2024-11-10 10:46:38,848 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [263 Valid, 993 Invalid, 421 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [86 Valid, 335 Invalid, 0 Unknown, 0 Unchecked, 4.9s Time] [2024-11-10 10:46:38,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 189 states. [2024-11-10 10:46:38,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 189 to 189. [2024-11-10 10:46:38,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 189 states, 105 states have (on average 1.1428571428571428) internal successors, (120), 107 states have internal predecessors, (120), 66 states have call successors, (66), 16 states have call predecessors, (66), 17 states have return successors, (73), 65 states have call predecessors, (73), 65 states have call successors, (73) [2024-11-10 10:46:38,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 189 states and 259 transitions. [2024-11-10 10:46:38,865 INFO L78 Accepts]: Start accepts. Automaton has 189 states and 259 transitions. Word has length 84 [2024-11-10 10:46:38,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 10:46:38,865 INFO L471 AbstractCegarLoop]: Abstraction has 189 states and 259 transitions. [2024-11-10 10:46:38,866 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.875) internal successors, (47), 7 states have internal predecessors, (47), 4 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (13), 4 states have call predecessors, (13), 4 states have call successors, (13) [2024-11-10 10:46:38,866 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 259 transitions. [2024-11-10 10:46:38,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-11-10 10:46:38,870 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 10:46:38,870 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 10:46:38,896 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-10 10:46:39,071 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 [2024-11-10 10:46:39,072 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 10:46:39,073 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 10:46:39,073 INFO L85 PathProgramCache]: Analyzing trace with hash 1863309821, now seen corresponding path program 1 times [2024-11-10 10:46:39,073 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 10:46:39,073 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [853708116] [2024-11-10 10:46:39,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 10:46:39,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 10:46:44,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:46:49,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 10:46:49,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:46:49,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 10:46:49,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:46:49,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 10:46:49,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:46:49,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-10 10:46:49,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:46:49,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-10 10:46:49,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:46:50,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-10 10:46:50,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:46:53,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 10:46:53,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:46:53,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-10 10:46:53,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:46:53,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-10 10:46:53,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:46:53,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-10 10:46:53,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:46:54,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-10 10:46:54,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:46:54,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 10:46:54,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:46:54,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-10 10:46:54,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:46:54,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 10:46:54,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:46:54,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 10:46:54,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:46:54,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 10:46:54,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:46:54,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-10 10:46:54,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:46:54,188 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 9 proven. 21 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2024-11-10 10:46:54,188 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 10:46:54,188 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [853708116] [2024-11-10 10:46:54,188 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [853708116] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 10:46:54,188 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [928876264] [2024-11-10 10:46:54,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 10:46:54,189 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 10:46:54,189 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 10:46:54,190 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) [2024-11-10 10:46:54,193 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process