/root/.sdkman/candidates/java/11.0.12-open/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --cacsl2boogietranslator.allow.undefined.functions true --traceabstraction.trace.refinement.strategy FOX -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/aws-c-common/aws_array_list_copy_harness.i -------------------------------------------------------------------------------- This is Ultimate 0.2.5-tmp.fs.smtinterpol-bv-eval-3dddfdf-m [2024-11-15 16:01:20,973 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-15 16:01:21,027 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Bitvector.epf [2024-11-15 16:01:21,030 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-15 16:01:21,030 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-15 16:01:21,055 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-15 16:01:21,056 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-15 16:01:21,056 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-15 16:01:21,057 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-15 16:01:21,057 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-15 16:01:21,057 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-15 16:01:21,057 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-15 16:01:21,058 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-15 16:01:21,058 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-15 16:01:21,058 INFO L153 SettingsManager]: * Use SBE=true [2024-11-15 16:01:21,058 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-15 16:01:21,059 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-15 16:01:21,059 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-15 16:01:21,059 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-15 16:01:21,061 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-15 16:01:21,063 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-15 16:01:21,063 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-15 16:01:21,063 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-15 16:01:21,063 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-15 16:01:21,063 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-15 16:01:21,063 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-15 16:01:21,064 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-15 16:01:21,064 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-15 16:01:21,064 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-15 16:01:21,064 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-15 16:01:21,064 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-15 16:01:21,064 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-15 16:01:21,065 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-15 16:01:21,065 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-15 16:01:21,065 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-15 16:01:21,065 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-15 16:01:21,065 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-15 16:01:21,065 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-15 16:01:21,065 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-15 16:01:21,066 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-15 16:01:21,066 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-15 16:01:21,067 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FOX [2024-11-15 16:01:21,245 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-15 16:01:21,263 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-15 16:01:21,265 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-15 16:01:21,266 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-15 16:01:21,267 INFO L274 PluginConnector]: CDTParser initialized [2024-11-15 16:01:21,267 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/aws-c-common/aws_array_list_copy_harness.i [2024-11-15 16:01:22,488 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-15 16:01:22,844 INFO L384 CDTParser]: Found 1 translation units. [2024-11-15 16:01:22,844 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_array_list_copy_harness.i [2024-11-15 16:01:22,876 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2c3239490/1405244b29ae4b6e8cdeb598fcf5a5aa/FLAG0dd481dde [2024-11-15 16:01:22,889 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2c3239490/1405244b29ae4b6e8cdeb598fcf5a5aa [2024-11-15 16:01:22,891 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-15 16:01:22,893 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-15 16:01:22,894 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-15 16:01:22,894 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-15 16:01:22,898 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-15 16:01:22,899 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 04:01:22" (1/1) ... [2024-11-15 16:01:22,899 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d90e58d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 04:01:22, skipping insertion in model container [2024-11-15 16:01:22,900 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 04:01:22" (1/1) ... [2024-11-15 16:01:22,991 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-15 16:01:23,185 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_array_list_copy_harness.i[4493,4506] [2024-11-15 16:01:23,193 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_array_list_copy_harness.i[4553,4566] [2024-11-15 16:01:23,536 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 16:01:23,618 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 16:01:23,618 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 16:01:23,619 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 16:01:23,624 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 16:01:23,624 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-15 16:01:23,625 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-15 16:01:23,625 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-15 16:01:23,625 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 16:01:23,625 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-15 16:01:23,626 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-15 16:01:23,628 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 16:01:23,628 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 16:01:23,629 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 16:01:23,630 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 16:01:23,635 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-15 16:01:23,635 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 16:01:23,635 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-15 16:01:23,635 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 16:01:23,640 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-15 16:01:23,640 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 16:01:23,641 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-15 16:01:23,641 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 16:01:23,642 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-15 16:01:23,643 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 16:01:23,643 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-15 16:01:23,643 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 16:01:23,643 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-15 16:01:23,643 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-15 16:01:23,846 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 16:01:23,847 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 16:01:23,847 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 16:01:23,847 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 16:01:23,905 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 16:01:23,913 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 16:01:23,913 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 16:01:23,913 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 16:01:23,913 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 16:01:23,914 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-15 16:01:23,914 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 16:01:23,914 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-15 16:01:23,917 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-15 16:01:23,921 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-15 16:01:23,931 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 16:01:23,931 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 16:01:23,932 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 16:01:23,932 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 16:01:23,932 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 16:01:23,932 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 16:01:23,932 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 16:01:23,932 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 16:01:23,933 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 16:01:23,933 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 16:01:23,933 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 16:01:23,933 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 16:01:23,934 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 16:01:23,934 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 16:01:23,989 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-15 16:01:24,031 INFO L197 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2024-11-15 16:01:24,076 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-15 16:01:24,080 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_array_list_copy_harness.i[4493,4506] [2024-11-15 16:01:24,080 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_array_list_copy_harness.i[4553,4566] [2024-11-15 16:01:24,094 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 16:01:24,114 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 16:01:24,115 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 16:01:24,115 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 16:01:24,118 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 16:01:24,119 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-15 16:01:24,119 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-15 16:01:24,119 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-15 16:01:24,119 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 16:01:24,120 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-15 16:01:24,120 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-15 16:01:24,121 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 16:01:24,121 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 16:01:24,122 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 16:01:24,122 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 16:01:24,125 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-15 16:01:24,125 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 16:01:24,126 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-15 16:01:24,126 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 16:01:24,126 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-15 16:01:24,127 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 16:01:24,127 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-15 16:01:24,127 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 16:01:24,128 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-15 16:01:24,128 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 16:01:24,128 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-15 16:01:24,128 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 16:01:24,129 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-15 16:01:24,129 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-15 16:01:24,161 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 16:01:24,161 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 16:01:24,162 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 16:01:24,162 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 16:01:24,177 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 16:01:24,186 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 16:01:24,186 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 16:01:24,186 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 16:01:24,187 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 16:01:24,187 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-15 16:01:24,187 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 16:01:24,188 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-15 16:01:24,192 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-15 16:01:24,195 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-15 16:01:24,197 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 16:01:24,197 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 16:01:24,217 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 16:01:24,217 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 16:01:24,217 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 16:01:24,217 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 16:01:24,218 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 16:01:24,218 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 16:01:24,218 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 16:01:24,219 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 16:01:24,219 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 16:01:24,219 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 16:01:24,219 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 16:01:24,219 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 16:01:24,235 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-15 16:01:24,248 INFO L200 MainTranslator]: Completed pre-run [2024-11-15 16:01:24,259 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_array_list_copy_harness.i[4493,4506] [2024-11-15 16:01:24,259 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_array_list_copy_harness.i[4553,4566] [2024-11-15 16:01:24,288 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-15 16:01:24,289 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-15 16:01:24,289 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-15 16:01:24,290 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-15 16:01:24,290 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-15 16:01:24,296 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-15 16:01:24,296 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-15 16:01:24,296 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-15 16:01:24,297 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-15 16:01:24,298 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-15 16:01:24,298 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-15 16:01:24,299 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-15 16:01:24,299 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-15 16:01:24,361 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-15 16:01:24,362 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-15 16:01:24,362 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-15 16:01:24,365 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-15 16:01:24,369 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7775-7786] [2024-11-15 16:01:24,384 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-15 16:01:24,560 INFO L204 MainTranslator]: Completed translation [2024-11-15 16:01:24,560 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 04:01:24 WrapperNode [2024-11-15 16:01:24,561 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-15 16:01:24,561 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-15 16:01:24,561 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-15 16:01:24,561 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-15 16:01:24,567 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 04:01:24" (1/1) ... [2024-11-15 16:01:24,624 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 04:01:24" (1/1) ... [2024-11-15 16:01:24,688 INFO L138 Inliner]: procedures = 700, calls = 1678, calls flagged for inlining = 52, calls inlined = 7, statements flattened = 714 [2024-11-15 16:01:24,688 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-15 16:01:24,689 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-15 16:01:24,689 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-15 16:01:24,689 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-15 16:01:24,698 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 04:01:24" (1/1) ... [2024-11-15 16:01:24,698 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 04:01:24" (1/1) ... [2024-11-15 16:01:24,711 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 04:01:24" (1/1) ... [2024-11-15 16:01:24,764 INFO L175 MemorySlicer]: Split 313 memory accesses to 5 slices as follows [238, 2, 7, 9, 57]. 76 percent of accesses are in the largest equivalence class. The 24 initializations are split as follows [6, 2, 5, 1, 10]. The 241 writes are split as follows [232, 0, 1, 1, 7]. [2024-11-15 16:01:24,765 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 04:01:24" (1/1) ... [2024-11-15 16:01:24,765 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 04:01:24" (1/1) ... [2024-11-15 16:01:24,830 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 04:01:24" (1/1) ... [2024-11-15 16:01:24,832 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 04:01:24" (1/1) ... [2024-11-15 16:01:24,847 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 04:01:24" (1/1) ... [2024-11-15 16:01:24,854 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 04:01:24" (1/1) ... [2024-11-15 16:01:24,867 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-15 16:01:24,867 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-15 16:01:24,867 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-15 16:01:24,867 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-15 16:01:24,868 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 04:01:24" (1/1) ... [2024-11-15 16:01:24,875 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-15 16:01:24,882 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-15 16:01:24,897 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) [2024-11-15 16:01:24,899 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 [2024-11-15 16:01:24,934 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-15 16:01:24,934 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2024-11-15 16:01:24,934 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2024-11-15 16:01:24,934 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2024-11-15 16:01:24,934 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2024-11-15 16:01:24,934 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-15 16:01:24,934 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-15 16:01:24,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-15 16:01:24,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-15 16:01:24,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-15 16:01:24,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-15 16:01:24,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-11-15 16:01:24,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#0 [2024-11-15 16:01:24,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#1 [2024-11-15 16:01:24,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#2 [2024-11-15 16:01:24,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#3 [2024-11-15 16:01:24,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#4 [2024-11-15 16:01:24,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#0 [2024-11-15 16:01:24,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#1 [2024-11-15 16:01:24,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#2 [2024-11-15 16:01:24,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#3 [2024-11-15 16:01:24,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#4 [2024-11-15 16:01:24,936 INFO L130 BoogieDeclarations]: Found specification of procedure aws_allocator_is_valid [2024-11-15 16:01:24,936 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_allocator_is_valid [2024-11-15 16:01:24,936 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-11-15 16:01:24,936 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-11-15 16:01:24,936 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-15 16:01:24,936 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-15 16:01:24,936 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-15 16:01:24,936 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-15 16:01:24,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-15 16:01:24,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-15 16:01:24,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-15 16:01:24,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-15 16:01:24,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-15 16:01:24,937 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2024-11-15 16:01:24,937 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2024-11-15 16:01:24,937 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-15 16:01:24,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-15 16:01:24,937 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-15 16:01:24,937 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-15 16:01:24,937 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#0 [2024-11-15 16:01:24,937 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#1 [2024-11-15 16:01:24,938 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#2 [2024-11-15 16:01:24,938 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#3 [2024-11-15 16:01:24,938 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#4 [2024-11-15 16:01:24,938 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2024-11-15 16:01:24,938 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2024-11-15 16:01:24,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-15 16:01:24,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-15 16:01:24,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-15 16:01:24,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-15 16:01:24,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-15 16:01:24,939 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2024-11-15 16:01:24,939 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2024-11-15 16:01:24,939 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_release [2024-11-15 16:01:24,939 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_release [2024-11-15 16:01:24,939 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-15 16:01:24,939 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-15 16:01:24,939 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2024-11-15 16:01:24,939 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2024-11-15 16:01:24,939 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_acquire [2024-11-15 16:01:24,939 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_acquire [2024-11-15 16:01:24,940 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-15 16:01:24,940 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-15 16:01:24,940 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-15 16:01:24,940 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-15 16:01:24,940 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-15 16:01:24,941 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-15 16:01:24,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#0 [2024-11-15 16:01:24,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#1 [2024-11-15 16:01:24,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#2 [2024-11-15 16:01:24,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#3 [2024-11-15 16:01:24,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#4 [2024-11-15 16:01:24,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-11-15 16:01:24,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2024-11-15 16:01:24,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#2 [2024-11-15 16:01:24,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#3 [2024-11-15 16:01:24,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#4 [2024-11-15 16:01:24,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-15 16:01:24,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-15 16:01:24,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-15 16:01:24,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-15 16:01:24,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-15 16:01:24,941 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-15 16:01:24,942 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-15 16:01:24,942 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2024-11-15 16:01:24,942 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2024-11-15 16:01:24,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#0 [2024-11-15 16:01:24,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#1 [2024-11-15 16:01:24,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#2 [2024-11-15 16:01:24,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#3 [2024-11-15 16:01:24,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#4 [2024-11-15 16:01:24,942 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2024-11-15 16:01:24,942 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2024-11-15 16:01:25,222 INFO L238 CfgBuilder]: Building ICFG [2024-11-15 16:01:25,223 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-15 16:01:38,285 INFO L? ?]: Removed 95 outVars from TransFormulas that were not future-live. [2024-11-15 16:01:38,286 INFO L287 CfgBuilder]: Performing block encoding [2024-11-15 16:01:38,303 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-15 16:01:38,304 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-15 16:01:38,304 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 04:01:38 BoogieIcfgContainer [2024-11-15 16:01:38,304 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-15 16:01:38,305 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-15 16:01:38,306 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-15 16:01:38,309 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-15 16:01:38,309 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.11 04:01:22" (1/3) ... [2024-11-15 16:01:38,310 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7adae15c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 04:01:38, skipping insertion in model container [2024-11-15 16:01:38,310 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 04:01:24" (2/3) ... [2024-11-15 16:01:38,310 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7adae15c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 04:01:38, skipping insertion in model container [2024-11-15 16:01:38,310 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 04:01:38" (3/3) ... [2024-11-15 16:01:38,311 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_array_list_copy_harness.i [2024-11-15 16:01:38,324 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-15 16:01:38,324 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-15 16:01:38,383 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-15 16:01:38,389 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;@39ae7d53, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-15 16:01:38,389 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-15 16:01:38,394 INFO L276 IsEmpty]: Start isEmpty. Operand has 208 states, 118 states have (on average 1.1864406779661016) internal successors, (140), 119 states have internal predecessors, (140), 71 states have call successors, (71), 17 states have call predecessors, (71), 17 states have return successors, (71), 71 states have call predecessors, (71), 71 states have call successors, (71) [2024-11-15 16:01:38,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2024-11-15 16:01:38,405 INFO L207 NwaCegarLoop]: Found error trace [2024-11-15 16:01:38,406 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 5, 5, 5, 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] [2024-11-15 16:01:38,406 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-15 16:01:38,409 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-15 16:01:38,410 INFO L85 PathProgramCache]: Analyzing trace with hash -1662380414, now seen corresponding path program 1 times [2024-11-15 16:01:38,424 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-15 16:01:38,425 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1191774620] [2024-11-15 16:01:38,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-15 16:01:38,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-15 16:01:43,883 ERROR L246 FreeRefinementEngine]: Caught known exception: Const is only supported for infinite index sort [2024-11-15 16:01:43,883 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1728867636] [2024-11-15 16:01:43,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-15 16:01:43,884 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-15 16:01:43,884 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-15 16:01:43,887 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) [2024-11-15 16:01:43,888 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-15 16:01:49,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-15 16:01:49,575 INFO L255 TraceCheckSpWp]: Trace formula consists of 2583 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-15 16:01:49,584 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-15 16:01:49,605 INFO L134 CoverageAnalysis]: Checked inductivity of 319 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 294 trivial. 0 not checked. [2024-11-15 16:01:49,605 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-15 16:01:49,606 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-15 16:01:49,606 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1191774620] [2024-11-15 16:01:49,606 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-15 16:01:49,606 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1728867636] [2024-11-15 16:01:49,606 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1728867636] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-15 16:01:49,607 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-15 16:01:49,607 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-15 16:01:49,608 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2132191138] [2024-11-15 16:01:49,608 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-15 16:01:49,611 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-15 16:01:49,611 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-15 16:01:49,625 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-15 16:01:49,626 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-15 16:01:49,628 INFO L87 Difference]: Start difference. First operand has 208 states, 118 states have (on average 1.1864406779661016) internal successors, (140), 119 states have internal predecessors, (140), 71 states have call successors, (71), 17 states have call predecessors, (71), 17 states have return successors, (71), 71 states have call predecessors, (71), 71 states have call successors, (71) Second operand has 2 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-15 16:01:49,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-15 16:01:49,679 INFO L93 Difference]: Finished difference Result 412 states and 601 transitions. [2024-11-15 16:01:49,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-15 16:01:49,681 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 144 [2024-11-15 16:01:49,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-15 16:01:49,689 INFO L225 Difference]: With dead ends: 412 [2024-11-15 16:01:49,689 INFO L226 Difference]: Without dead ends: 203 [2024-11-15 16:01:49,694 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 143 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-15 16:01:49,696 INFO L432 NwaCegarLoop]: 280 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 280 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-15 16:01:49,697 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 280 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-15 16:01:49,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 203 states. [2024-11-15 16:01:49,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 203 to 203. [2024-11-15 16:01:49,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 203 states, 114 states have (on average 1.1754385964912282) internal successors, (134), 115 states have internal predecessors, (134), 71 states have call successors, (71), 17 states have call predecessors, (71), 17 states have return successors, (70), 70 states have call predecessors, (70), 70 states have call successors, (70) [2024-11-15 16:01:49,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 275 transitions. [2024-11-15 16:01:49,741 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 275 transitions. Word has length 144 [2024-11-15 16:01:49,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-15 16:01:49,742 INFO L471 AbstractCegarLoop]: Abstraction has 203 states and 275 transitions. [2024-11-15 16:01:49,742 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-15 16:01:49,742 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 275 transitions. [2024-11-15 16:01:49,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2024-11-15 16:01:49,744 INFO L207 NwaCegarLoop]: Found error trace [2024-11-15 16:01:49,745 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 5, 5, 5, 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] [2024-11-15 16:01:49,803 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-15 16:01:49,945 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-15 16:01:49,946 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-15 16:01:49,946 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-15 16:01:49,946 INFO L85 PathProgramCache]: Analyzing trace with hash -1772024658, now seen corresponding path program 1 times [2024-11-15 16:01:49,949 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-15 16:01:49,949 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [12965345] [2024-11-15 16:01:49,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-15 16:01:49,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-15 16:01:54,461 ERROR L246 FreeRefinementEngine]: Caught known exception: Const is only supported for infinite index sort [2024-11-15 16:01:54,462 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [51813853] [2024-11-15 16:01:54,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-15 16:01:54,462 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-15 16:01:54,462 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-15 16:01:54,463 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) [2024-11-15 16:01:54,465 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-15 16:02:00,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-15 16:02:00,259 INFO L255 TraceCheckSpWp]: Trace formula consists of 2583 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-15 16:02:00,265 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-15 16:02:00,564 INFO L134 CoverageAnalysis]: Checked inductivity of 319 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 269 trivial. 0 not checked. [2024-11-15 16:02:00,565 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-15 16:02:00,565 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-15 16:02:00,565 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [12965345] [2024-11-15 16:02:00,565 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-15 16:02:00,566 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [51813853] [2024-11-15 16:02:00,566 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [51813853] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-15 16:02:00,566 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-15 16:02:00,566 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-15 16:02:00,567 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [610755687] [2024-11-15 16:02:00,570 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-15 16:02:00,570 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-15 16:02:00,571 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-15 16:02:00,571 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-15 16:02:00,571 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-15 16:02:00,571 INFO L87 Difference]: Start difference. First operand 203 states and 275 transitions. Second operand has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-15 16:02:00,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-15 16:02:00,853 INFO L93 Difference]: Finished difference Result 401 states and 545 transitions. [2024-11-15 16:02:00,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-15 16:02:00,854 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 144 [2024-11-15 16:02:00,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-15 16:02:00,857 INFO L225 Difference]: With dead ends: 401 [2024-11-15 16:02:00,857 INFO L226 Difference]: Without dead ends: 204 [2024-11-15 16:02:00,858 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-15 16:02:00,858 INFO L432 NwaCegarLoop]: 274 mSDtfsCounter, 0 mSDsluCounter, 270 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 544 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-15 16:02:00,858 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 544 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-15 16:02:00,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 204 states. [2024-11-15 16:02:00,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 204 to 204. [2024-11-15 16:02:00,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 204 states, 115 states have (on average 1.173913043478261) internal successors, (135), 116 states have internal predecessors, (135), 71 states have call successors, (71), 17 states have call predecessors, (71), 17 states have return successors, (70), 70 states have call predecessors, (70), 70 states have call successors, (70) [2024-11-15 16:02:00,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 276 transitions. [2024-11-15 16:02:00,880 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 276 transitions. Word has length 144 [2024-11-15 16:02:00,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-15 16:02:00,880 INFO L471 AbstractCegarLoop]: Abstraction has 204 states and 276 transitions. [2024-11-15 16:02:00,880 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-15 16:02:00,881 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 276 transitions. [2024-11-15 16:02:00,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2024-11-15 16:02:00,882 INFO L207 NwaCegarLoop]: Found error trace [2024-11-15 16:02:00,882 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 5, 5, 5, 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] [2024-11-15 16:02:00,940 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-15 16:02:01,083 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2024-11-15 16:02:01,084 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-15 16:02:01,084 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-15 16:02:01,084 INFO L85 PathProgramCache]: Analyzing trace with hash 1876282802, now seen corresponding path program 1 times [2024-11-15 16:02:01,086 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-15 16:02:01,086 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1128258063] [2024-11-15 16:02:01,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-15 16:02:01,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-15 16:02:05,434 ERROR L246 FreeRefinementEngine]: Caught known exception: Const is only supported for infinite index sort [2024-11-15 16:02:05,434 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [692903664] [2024-11-15 16:02:05,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-15 16:02:05,434 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-15 16:02:05,435 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-15 16:02:05,436 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) [2024-11-15 16:02:05,437 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-15 16:02:10,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-15 16:02:11,115 INFO L255 TraceCheckSpWp]: Trace formula consists of 2587 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-15 16:02:11,120 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-15 16:02:12,743 INFO L134 CoverageAnalysis]: Checked inductivity of 319 backedges. 111 proven. 0 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2024-11-15 16:02:12,743 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-15 16:02:12,743 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-15 16:02:12,743 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1128258063] [2024-11-15 16:02:12,743 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-15 16:02:12,744 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [692903664] [2024-11-15 16:02:12,744 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [692903664] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-15 16:02:12,744 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-15 16:02:12,744 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-15 16:02:12,744 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1701096342] [2024-11-15 16:02:12,744 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-15 16:02:12,745 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-15 16:02:12,745 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-15 16:02:12,745 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-15 16:02:12,745 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-15 16:02:12,746 INFO L87 Difference]: Start difference. First operand 204 states and 276 transitions. Second operand has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 3 states have call successors, (26), 2 states have call predecessors, (26), 3 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2024-11-15 16:02:17,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-15 16:02:17,700 INFO L93 Difference]: Finished difference Result 403 states and 556 transitions. [2024-11-15 16:02:17,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-15 16:02:17,701 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 3 states have call successors, (26), 2 states have call predecessors, (26), 3 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) Word has length 144 [2024-11-15 16:02:17,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-15 16:02:17,705 INFO L225 Difference]: With dead ends: 403 [2024-11-15 16:02:17,705 INFO L226 Difference]: Without dead ends: 206 [2024-11-15 16:02:17,706 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-15 16:02:17,707 INFO L432 NwaCegarLoop]: 250 mSDtfsCounter, 53 mSDsluCounter, 640 mSDsCounter, 0 mSdLazyCounter, 106 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 109 SdHoareTripleChecker+Valid, 890 SdHoareTripleChecker+Invalid, 107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 106 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2024-11-15 16:02:17,707 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [109 Valid, 890 Invalid, 107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 106 Invalid, 0 Unknown, 0 Unchecked, 4.9s Time] [2024-11-15 16:02:17,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206 states. [2024-11-15 16:02:17,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 206 to 206. [2024-11-15 16:02:17,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 206 states, 116 states have (on average 1.1724137931034482) internal successors, (136), 118 states have internal predecessors, (136), 71 states have call successors, (71), 17 states have call predecessors, (71), 18 states have return successors, (82), 70 states have call predecessors, (82), 70 states have call successors, (82) [2024-11-15 16:02:17,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 206 states and 289 transitions. [2024-11-15 16:02:17,733 INFO L78 Accepts]: Start accepts. Automaton has 206 states and 289 transitions. Word has length 144 [2024-11-15 16:02:17,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-15 16:02:17,734 INFO L471 AbstractCegarLoop]: Abstraction has 206 states and 289 transitions. [2024-11-15 16:02:17,734 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 3 states have call successors, (26), 2 states have call predecessors, (26), 3 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2024-11-15 16:02:17,734 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 289 transitions. [2024-11-15 16:02:17,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2024-11-15 16:02:17,736 INFO L207 NwaCegarLoop]: Found error trace [2024-11-15 16:02:17,736 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 5, 5, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-15 16:02:17,796 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-15 16:02:17,937 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-15 16:02:17,937 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-15 16:02:17,938 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-15 16:02:17,938 INFO L85 PathProgramCache]: Analyzing trace with hash -723123943, now seen corresponding path program 1 times [2024-11-15 16:02:17,940 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-15 16:02:17,940 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1999548459] [2024-11-15 16:02:17,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-15 16:02:17,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-15 16:02:22,156 ERROR L246 FreeRefinementEngine]: Caught known exception: Const is only supported for infinite index sort [2024-11-15 16:02:22,156 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1318190400] [2024-11-15 16:02:22,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-15 16:02:22,156 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-15 16:02:22,156 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-15 16:02:22,158 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-15 16:02:22,158 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-15 16:02:28,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-15 16:02:28,256 INFO L255 TraceCheckSpWp]: Trace formula consists of 2687 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-15 16:02:28,261 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-15 16:02:30,680 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 176 proven. 0 refuted. 0 times theorem prover too weak. 152 trivial. 0 not checked. [2024-11-15 16:02:30,680 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-15 16:02:30,680 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-15 16:02:30,680 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1999548459] [2024-11-15 16:02:30,680 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-15 16:02:30,680 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1318190400] [2024-11-15 16:02:30,680 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1318190400] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-15 16:02:30,681 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-15 16:02:30,681 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-15 16:02:30,681 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [597540838] [2024-11-15 16:02:30,681 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-15 16:02:30,681 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-15 16:02:30,681 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-15 16:02:30,682 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-15 16:02:30,682 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-15 16:02:30,682 INFO L87 Difference]: Start difference. First operand 206 states and 289 transitions. Second operand has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 3 states have call successors, (26), 2 states have call predecessors, (26), 3 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2024-11-15 16:02:35,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-15 16:02:35,723 INFO L93 Difference]: Finished difference Result 378 states and 528 transitions. [2024-11-15 16:02:35,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-15 16:02:35,725 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 3 states have call successors, (26), 2 states have call predecessors, (26), 3 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) Word has length 159 [2024-11-15 16:02:35,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-15 16:02:35,727 INFO L225 Difference]: With dead ends: 378 [2024-11-15 16:02:35,727 INFO L226 Difference]: Without dead ends: 206 [2024-11-15 16:02:35,728 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 155 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-15 16:02:35,729 INFO L432 NwaCegarLoop]: 253 mSDtfsCounter, 51 mSDsluCounter, 646 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 100 SdHoareTripleChecker+Valid, 899 SdHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 97 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2024-11-15 16:02:35,729 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [100 Valid, 899 Invalid, 98 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 97 Invalid, 0 Unknown, 0 Unchecked, 5.0s Time] [2024-11-15 16:02:35,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206 states. [2024-11-15 16:02:35,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 206 to 206. [2024-11-15 16:02:35,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 206 states, 116 states have (on average 1.1724137931034482) internal successors, (136), 118 states have internal predecessors, (136), 71 states have call successors, (71), 17 states have call predecessors, (71), 18 states have return successors, (80), 70 states have call predecessors, (80), 70 states have call successors, (80) [2024-11-15 16:02:35,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 206 states and 287 transitions. [2024-11-15 16:02:35,753 INFO L78 Accepts]: Start accepts. Automaton has 206 states and 287 transitions. Word has length 159 [2024-11-15 16:02:35,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-15 16:02:35,754 INFO L471 AbstractCegarLoop]: Abstraction has 206 states and 287 transitions. [2024-11-15 16:02:35,756 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 3 states have call successors, (26), 2 states have call predecessors, (26), 3 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2024-11-15 16:02:35,756 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 287 transitions. [2024-11-15 16:02:35,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2024-11-15 16:02:35,757 INFO L207 NwaCegarLoop]: Found error trace [2024-11-15 16:02:35,758 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-15 16:02:35,847 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-15 16:02:35,958 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-15 16:02:35,958 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-15 16:02:35,959 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-15 16:02:35,959 INFO L85 PathProgramCache]: Analyzing trace with hash -1414395720, now seen corresponding path program 2 times [2024-11-15 16:02:35,961 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-15 16:02:35,961 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [576152967] [2024-11-15 16:02:35,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-15 16:02:35,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-15 16:02:40,309 ERROR L246 FreeRefinementEngine]: Caught known exception: Const is only supported for infinite index sort [2024-11-15 16:02:40,309 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [34979650] [2024-11-15 16:02:40,309 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-15 16:02:40,309 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-15 16:02:40,309 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-15 16:02:40,311 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-15 16:02:40,312 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-15 16:02:46,039 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-15 16:02:46,039 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-15 16:02:46,170 INFO L255 TraceCheckSpWp]: Trace formula consists of 2294 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-15 16:02:46,175 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-15 16:02:47,381 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 330 trivial. 0 not checked. [2024-11-15 16:02:47,381 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-15 16:02:47,381 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-15 16:02:47,381 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [576152967] [2024-11-15 16:02:47,382 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-15 16:02:47,382 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [34979650] [2024-11-15 16:02:47,382 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [34979650] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-15 16:02:47,382 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-15 16:02:47,382 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-15 16:02:47,382 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1966764735] [2024-11-15 16:02:47,382 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-15 16:02:47,382 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-15 16:02:47,383 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-15 16:02:47,383 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-15 16:02:47,383 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-15 16:02:47,383 INFO L87 Difference]: Start difference. First operand 206 states and 287 transitions. Second operand has 5 states, 5 states have (on average 10.0) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (25), 2 states have call predecessors, (25), 3 states have return successors, (24), 3 states have call predecessors, (24), 2 states have call successors, (24) [2024-11-15 16:02:48,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-15 16:02:48,025 INFO L93 Difference]: Finished difference Result 264 states and 362 transitions. [2024-11-15 16:02:48,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-15 16:02:48,028 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (25), 2 states have call predecessors, (25), 3 states have return successors, (24), 3 states have call predecessors, (24), 2 states have call successors, (24) Word has length 174 [2024-11-15 16:02:48,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-15 16:02:48,031 INFO L225 Difference]: With dead ends: 264 [2024-11-15 16:02:48,031 INFO L226 Difference]: Without dead ends: 210 [2024-11-15 16:02:48,031 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 170 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-15 16:02:48,032 INFO L432 NwaCegarLoop]: 273 mSDtfsCounter, 0 mSDsluCounter, 813 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1086 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-15 16:02:48,032 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1086 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-15 16:02:48,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 210 states. [2024-11-15 16:02:48,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 210 to 210. [2024-11-15 16:02:48,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 210 states, 119 states have (on average 1.1680672268907564) internal successors, (139), 121 states have internal predecessors, (139), 71 states have call successors, (71), 17 states have call predecessors, (71), 19 states have return successors, (82), 71 states have call predecessors, (82), 70 states have call successors, (82) [2024-11-15 16:02:48,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 210 states and 292 transitions. [2024-11-15 16:02:48,045 INFO L78 Accepts]: Start accepts. Automaton has 210 states and 292 transitions. Word has length 174 [2024-11-15 16:02:48,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-15 16:02:48,045 INFO L471 AbstractCegarLoop]: Abstraction has 210 states and 292 transitions. [2024-11-15 16:02:48,045 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (25), 2 states have call predecessors, (25), 3 states have return successors, (24), 3 states have call predecessors, (24), 2 states have call successors, (24) [2024-11-15 16:02:48,045 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 292 transitions. [2024-11-15 16:02:48,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2024-11-15 16:02:48,051 INFO L207 NwaCegarLoop]: Found error trace [2024-11-15 16:02:48,051 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-15 16:02:48,108 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-15 16:02:48,251 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-15 16:02:48,252 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-15 16:02:48,252 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-15 16:02:48,252 INFO L85 PathProgramCache]: Analyzing trace with hash -1275852850, now seen corresponding path program 1 times [2024-11-15 16:02:48,254 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-15 16:02:48,254 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [326692627] [2024-11-15 16:02:48,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-15 16:02:48,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-15 16:02:52,512 ERROR L246 FreeRefinementEngine]: Caught known exception: Const is only supported for infinite index sort [2024-11-15 16:02:52,513 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [967212194] [2024-11-15 16:02:52,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-15 16:02:52,513 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-15 16:02:52,513 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-15 16:02:52,515 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-15 16:02:52,516 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-15 16:02:58,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-15 16:02:58,980 INFO L255 TraceCheckSpWp]: Trace formula consists of 2767 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-15 16:02:58,985 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-15 16:03:02,774 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 128 proven. 0 refuted. 0 times theorem prover too weak. 224 trivial. 0 not checked. [2024-11-15 16:03:02,774 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-15 16:03:02,775 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-15 16:03:02,775 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [326692627] [2024-11-15 16:03:02,775 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-15 16:03:02,775 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [967212194] [2024-11-15 16:03:02,775 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [967212194] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-15 16:03:02,775 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-15 16:03:02,775 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-15 16:03:02,775 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1504597712] [2024-11-15 16:03:02,775 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-15 16:03:02,776 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-15 16:03:02,776 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-15 16:03:02,776 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-15 16:03:02,776 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-15 16:03:02,777 INFO L87 Difference]: Start difference. First operand 210 states and 292 transitions. Second operand has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 6 states have internal predecessors, (62), 4 states have call successors, (27), 2 states have call predecessors, (27), 3 states have return successors, (26), 4 states have call predecessors, (26), 4 states have call successors, (26)