./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_array_list_pop_front_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 023d838f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_array_list_pop_front_harness.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 971edb75bb0f677639f0c3e5b019bf9afe7575a35e63ddba584727b568db50c6 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 10:43:51,750 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 10:43:51,811 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-10 10:43:51,817 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 10:43:51,817 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 10:43:51,846 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 10:43:51,846 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 10:43:51,847 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 10:43:51,847 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 10:43:51,848 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 10:43:51,849 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 10:43:51,849 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 10:43:51,849 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 10:43:51,850 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 10:43:51,851 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 10:43:51,852 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 10:43:51,852 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 10:43:51,852 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 10:43:51,852 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 10:43:51,852 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 10:43:51,853 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 10:43:51,858 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 10:43:51,858 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 10:43:51,858 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 10:43:51,858 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 10:43:51,859 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 10:43:51,859 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 10:43:51,859 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 10:43:51,859 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 10:43:51,859 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 10:43:51,860 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 10:43:51,860 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 10:43:51,860 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 10:43:51,860 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 10:43:51,860 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 10:43:51,861 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 10:43:51,861 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 10:43:51,861 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 10:43:51,861 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 10:43:51,861 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 971edb75bb0f677639f0c3e5b019bf9afe7575a35e63ddba584727b568db50c6 [2024-11-10 10:43:52,097 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 10:43:52,119 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 10:43:52,122 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 10:43:52,122 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 10:43:52,123 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 10:43:52,124 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_array_list_pop_front_harness.i [2024-11-10 10:43:53,566 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 10:43:53,932 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 10:43:53,933 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_array_list_pop_front_harness.i [2024-11-10 10:43:53,969 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/96695e4ad/9f1ab8e8df084acba74e22db365d4828/FLAGb1c7cfc19 [2024-11-10 10:43:53,980 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/96695e4ad/9f1ab8e8df084acba74e22db365d4828 [2024-11-10 10:43:53,982 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 10:43:53,983 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 10:43:53,984 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 10:43:53,984 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 10:43:53,992 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 10:43:53,993 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 10:43:53" (1/1) ... [2024-11-10 10:43:53,993 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25b6c326 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:43:53, skipping insertion in model container [2024-11-10 10:43:53,993 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 10:43:53" (1/1) ... [2024-11-10 10:43:54,104 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 10:43:54,301 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_array_list_pop_front_harness.i[4498,4511] [2024-11-10 10:43:54,306 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_array_list_pop_front_harness.i[4558,4571] [2024-11-10 10:43:54,901 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:43:54,903 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:43:54,904 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:43:54,904 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:43:54,906 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:43:54,918 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:43:54,920 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:43:54,922 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:43:54,923 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:43:54,925 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:43:54,927 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:43:54,928 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:43:54,928 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:43:55,298 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:43:55,302 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:43:55,336 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 10:43:55,364 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 10:43:55,376 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_array_list_pop_front_harness.i[4498,4511] [2024-11-10 10:43:55,380 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_array_list_pop_front_harness.i[4558,4571] [2024-11-10 10:43:55,424 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:43:55,424 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:43:55,424 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:43:55,425 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:43:55,425 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:43:55,433 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:43:55,433 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:43:55,434 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:43:55,436 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:43:55,436 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:43:55,437 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:43:55,437 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:43:55,437 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:43:55,503 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:43:55,506 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:43:55,516 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7765-7776] [2024-11-10 10:43:55,540 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 10:43:55,783 INFO L204 MainTranslator]: Completed translation [2024-11-10 10:43:55,783 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:43:55 WrapperNode [2024-11-10 10:43:55,783 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 10:43:55,784 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 10:43:55,784 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 10:43:55,784 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 10:43:55,796 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:43:55" (1/1) ... [2024-11-10 10:43:55,870 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:43:55" (1/1) ... [2024-11-10 10:43:55,932 INFO L138 Inliner]: procedures = 680, calls = 1679, calls flagged for inlining = 51, calls inlined = 10, statements flattened = 687 [2024-11-10 10:43:55,938 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 10:43:55,939 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 10:43:55,939 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 10:43:55,939 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 10:43:55,950 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:43:55" (1/1) ... [2024-11-10 10:43:55,950 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:43:55" (1/1) ... [2024-11-10 10:43:55,954 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:43:55" (1/1) ... [2024-11-10 10:43:56,019 INFO L175 MemorySlicer]: Split 323 memory accesses to 6 slices as follows [238, 2, 6, 63, 3, 11]. 74 percent of accesses are in the largest equivalence class. The 24 initializations are split as follows [6, 2, 0, 10, 1, 5]. The 240 writes are split as follows [232, 0, 2, 5, 1, 0]. [2024-11-10 10:43:56,020 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:43:55" (1/1) ... [2024-11-10 10:43:56,020 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:43:55" (1/1) ... [2024-11-10 10:43:56,046 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:43:55" (1/1) ... [2024-11-10 10:43:56,048 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:43:55" (1/1) ... [2024-11-10 10:43:56,053 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:43:55" (1/1) ... [2024-11-10 10:43:56,061 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:43:55" (1/1) ... [2024-11-10 10:43:56,076 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 10:43:56,077 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 10:43:56,080 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 10:43:56,081 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 10:43:56,081 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:43:55" (1/1) ... [2024-11-10 10:43:56,089 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 10:43:56,107 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 10:43:56,132 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-10 10:43:56,136 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-10 10:43:56,169 INFO L130 BoogieDeclarations]: Found specification of procedure memmove_impl [2024-11-10 10:43:56,170 INFO L138 BoogieDeclarations]: Found implementation of procedure memmove_impl [2024-11-10 10:43:56,170 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-10 10:43:56,170 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2024-11-10 10:43:56,170 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2024-11-10 10:43:56,170 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2024-11-10 10:43:56,170 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2024-11-10 10:43:56,170 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-10 10:43:56,170 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-10 10:43:56,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-10 10:43:56,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-10 10:43:56,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-10 10:43:56,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-10 10:43:56,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-10 10:43:56,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-10 10:43:56,171 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-10 10:43:56,171 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-10 10:43:56,171 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-10 10:43:56,172 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-10 10:43:56,172 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-10 10:43:56,172 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-10 10:43:56,172 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-11-10 10:43:56,172 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-11-10 10:43:56,172 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-10 10:43:56,172 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-10 10:43:56,172 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-10 10:43:56,172 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 10:43:56,172 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-10 10:43:56,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-10 10:43:56,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-10 10:43:56,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-10 10:43:56,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-10 10:43:56,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-10 10:43:56,173 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 10:43:56,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 10:43:56,173 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-10 10:43:56,173 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-10 10:43:56,173 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2024-11-10 10:43:56,174 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2024-11-10 10:43:56,174 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2024-11-10 10:43:56,174 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2024-11-10 10:43:56,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-10 10:43:56,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-10 10:43:56,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-10 10:43:56,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-10 10:43:56,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-10 10:43:56,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-10 10:43:56,174 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_length [2024-11-10 10:43:56,174 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_length [2024-11-10 10:43:56,175 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-10 10:43:56,175 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-10 10:43:56,175 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-10 10:43:56,175 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-10 10:43:56,175 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-10 10:43:56,175 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-10 10:43:56,175 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-10 10:43:56,175 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-10 10:43:56,175 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-10 10:43:56,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-10 10:43:56,176 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-10 10:43:56,176 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-10 10:43:56,176 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-10 10:43:56,176 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-10 10:43:56,176 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-10 10:43:56,176 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-10 10:43:56,176 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-10 10:43:56,176 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2024-11-10 10:43:56,177 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2024-11-10 10:43:56,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-10 10:43:56,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-10 10:43:56,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-10 10:43:56,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-10 10:43:56,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-10 10:43:56,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-10 10:43:56,177 INFO L130 BoogieDeclarations]: Found specification of procedure my_memmove [2024-11-10 10:43:56,177 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memmove [2024-11-10 10:43:56,177 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_pop_front [2024-11-10 10:43:56,178 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_pop_front [2024-11-10 10:43:56,178 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2024-11-10 10:43:56,178 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2024-11-10 10:43:56,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 10:43:56,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-10 10:43:56,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-10 10:43:56,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-10 10:43:56,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-10 10:43:56,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-10 10:43:56,407 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 10:43:56,409 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 10:43:56,450 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2782: havoc #t~malloc77.base, #t~malloc77.offset; [2024-11-10 10:43:56,492 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2588: havoc #t~ret57#1; [2024-11-10 10:43:56,546 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L3355: havoc #t~ret182#1; [2024-11-10 10:43:56,644 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L3268: call ULTIMATE.dealloc(~#required_size~0.base, ~#required_size~0.offset);havoc ~#required_size~0.base, ~#required_size~0.offset; [2024-11-10 10:43:56,647 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2024-11-10 10:43:56,658 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L7386: havoc #t~ret685.base, #t~ret685.offset; [2024-11-10 10:44:01,896 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: havoc nondet_size_t_#t~nondet6#1; [2024-11-10 10:44:01,977 INFO L? ?]: Removed 123 outVars from TransFormulas that were not future-live. [2024-11-10 10:44:01,978 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 10:44:01,992 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 10:44:01,993 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 10:44:01,994 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 10:44:01 BoogieIcfgContainer [2024-11-10 10:44:01,994 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 10:44:01,995 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 10:44:01,995 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 10:44:01,999 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 10:44:02,000 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 10:43:53" (1/3) ... [2024-11-10 10:44:02,001 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3907faac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 10:44:02, skipping insertion in model container [2024-11-10 10:44:02,001 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:43:55" (2/3) ... [2024-11-10 10:44:02,002 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3907faac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 10:44:02, skipping insertion in model container [2024-11-10 10:44:02,002 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 10:44:01" (3/3) ... [2024-11-10 10:44:02,003 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_array_list_pop_front_harness.i [2024-11-10 10:44:02,017 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 10:44:02,018 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-10 10:44:02,090 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 10:44:02,127 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;@6df6099e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 10:44:02,129 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-10 10:44:02,133 INFO L276 IsEmpty]: Start isEmpty. Operand has 186 states, 111 states have (on average 1.1981981981981982) internal successors, (133), 112 states have internal predecessors, (133), 57 states have call successors, (57), 16 states have call predecessors, (57), 16 states have return successors, (57), 57 states have call predecessors, (57), 57 states have call successors, (57) [2024-11-10 10:44:02,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-11-10 10:44:02,146 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 10:44:02,149 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 10:44:02,151 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 10:44:02,156 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 10:44:02,157 INFO L85 PathProgramCache]: Analyzing trace with hash -1274858681, now seen corresponding path program 1 times [2024-11-10 10:44:02,166 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 10:44:02,167 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1851587961] [2024-11-10 10:44:02,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 10:44:02,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 10:44:06,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:44:07,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 10:44:07,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:44:07,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 10:44:07,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:44:08,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 10:44:08,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:44:08,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-10 10:44:08,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:44:08,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-10 10:44:08,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:44:08,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-10 10:44:08,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:44:08,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-10 10:44:08,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:44:08,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 10:44:08,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:44:08,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-10 10:44:08,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:44:08,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-10 10:44:08,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:44:08,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-10 10:44:08,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:44:08,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-10 10:44:08,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:44:08,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-10 10:44:08,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:44:08,829 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2024-11-10 10:44:08,830 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 10:44:08,830 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1851587961] [2024-11-10 10:44:08,830 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1851587961] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 10:44:08,831 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1765481475] [2024-11-10 10:44:08,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 10:44:08,831 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 10:44:08,831 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 10:44:08,833 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 10:44:08,834 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-10 10:44:13,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:44:13,597 INFO L255 TraceCheckSpWp]: Trace formula consists of 4164 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-10 10:44:13,606 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 10:44:14,423 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-10 10:44:14,424 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 10:44:14,424 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1765481475] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 10:44:14,424 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-10 10:44:14,424 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [7] total 11 [2024-11-10 10:44:14,431 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [639287283] [2024-11-10 10:44:14,432 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 10:44:14,437 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 10:44:14,437 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 10:44:14,453 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 10:44:14,454 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2024-11-10 10:44:14,456 INFO L87 Difference]: Start difference. First operand has 186 states, 111 states have (on average 1.1981981981981982) internal successors, (133), 112 states have internal predecessors, (133), 57 states have call successors, (57), 16 states have call predecessors, (57), 16 states have return successors, (57), 57 states have call predecessors, (57), 57 states have call successors, (57) Second operand has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 6 states have internal predecessors, (37), 3 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2024-11-10 10:44:17,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 10:44:17,042 INFO L93 Difference]: Finished difference Result 366 states and 533 transitions. [2024-11-10 10:44:17,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 10:44:17,050 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 6 states have internal predecessors, (37), 3 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 84 [2024-11-10 10:44:17,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 10:44:17,070 INFO L225 Difference]: With dead ends: 366 [2024-11-10 10:44:17,070 INFO L226 Difference]: Without dead ends: 182 [2024-11-10 10:44:17,080 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2024-11-10 10:44:17,085 INFO L432 NwaCegarLoop]: 196 mSDtfsCounter, 258 mSDsluCounter, 537 mSDsCounter, 0 mSdLazyCounter, 183 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 268 SdHoareTripleChecker+Valid, 733 SdHoareTripleChecker+Invalid, 223 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 183 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2024-11-10 10:44:17,086 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [268 Valid, 733 Invalid, 223 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 183 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2024-11-10 10:44:17,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2024-11-10 10:44:17,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 182. [2024-11-10 10:44:17,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 182 states, 107 states have (on average 1.1869158878504673) internal successors, (127), 109 states have internal predecessors, (127), 57 states have call successors, (57), 16 states have call predecessors, (57), 17 states have return successors, (66), 56 states have call predecessors, (66), 56 states have call successors, (66) [2024-11-10 10:44:17,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 250 transitions. [2024-11-10 10:44:17,144 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 250 transitions. Word has length 84 [2024-11-10 10:44:17,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 10:44:17,146 INFO L471 AbstractCegarLoop]: Abstraction has 182 states and 250 transitions. [2024-11-10 10:44:17,146 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 6 states have internal predecessors, (37), 3 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2024-11-10 10:44:17,146 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 250 transitions. [2024-11-10 10:44:17,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-11-10 10:44:17,151 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 10:44:17,152 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 10:44:17,201 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-10 10:44:17,352 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 [2024-11-10 10:44:17,354 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 10:44:17,354 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 10:44:17,354 INFO L85 PathProgramCache]: Analyzing trace with hash 1303552555, now seen corresponding path program 1 times [2024-11-10 10:44:17,354 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 10:44:17,355 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1140902267] [2024-11-10 10:44:17,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 10:44:17,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 10:44:21,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:44:23,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 10:44:23,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:44:23,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 10:44:23,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:44:23,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 10:44:23,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:44:23,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-10 10:44:23,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:44:23,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-10 10:44:23,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:44:24,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-10 10:44:24,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:44:25,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 10:44:25,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:44:25,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-10 10:44:25,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:44:25,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-10 10:44:25,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:44:25,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-10 10:44:25,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:44:25,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-10 10:44:25,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:44:25,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-10 10:44:25,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:44:25,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-10 10:44:25,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:44:25,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 10:44:25,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:44:25,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 10:44:25,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:44:25,912 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2024-11-10 10:44:25,914 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 10:44:25,914 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1140902267] [2024-11-10 10:44:25,914 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1140902267] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 10:44:25,915 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [117246042] [2024-11-10 10:44:25,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 10:44:25,915 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 10:44:25,915 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 10:44:25,918 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 10:44:25,919 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-10 10:44:30,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:44:30,801 INFO L255 TraceCheckSpWp]: Trace formula consists of 4291 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-10 10:44:30,807 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 10:44:32,893 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2024-11-10 10:44:32,899 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 10:44:32,899 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [117246042] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 10:44:32,899 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-10 10:44:32,899 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [14] total 20 [2024-11-10 10:44:32,900 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [139129032] [2024-11-10 10:44:32,900 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 10:44:32,900 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-10 10:44:32,900 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 10:44:32,901 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-10 10:44:32,901 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=334, Unknown=0, NotChecked=0, Total=380 [2024-11-10 10:44:32,902 INFO L87 Difference]: Start difference. First operand 182 states and 250 transitions. Second operand has 8 states, 7 states have (on average 7.285714285714286) internal successors, (51), 7 states have internal predecessors, (51), 4 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (15), 3 states have call predecessors, (15), 4 states have call successors, (15) [2024-11-10 10:44:37,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 10:44:37,297 INFO L93 Difference]: Finished difference Result 317 states and 440 transitions. [2024-11-10 10:44:37,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-10 10:44:37,298 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 7.285714285714286) internal successors, (51), 7 states have internal predecessors, (51), 4 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (15), 3 states have call predecessors, (15), 4 states have call successors, (15) Word has length 99 [2024-11-10 10:44:37,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 10:44:37,304 INFO L225 Difference]: With dead ends: 317 [2024-11-10 10:44:37,306 INFO L226 Difference]: Without dead ends: 182 [2024-11-10 10:44:37,308 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 121 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 4.7s TimeCoverageRelationStatistics Valid=72, Invalid=528, Unknown=0, NotChecked=0, Total=600 [2024-11-10 10:44:37,313 INFO L432 NwaCegarLoop]: 178 mSDtfsCounter, 273 mSDsluCounter, 797 mSDsCounter, 0 mSdLazyCounter, 311 mSolverCounterSat, 117 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 275 SdHoareTripleChecker+Valid, 975 SdHoareTripleChecker+Invalid, 428 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 117 IncrementalHoareTripleChecker+Valid, 311 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2024-11-10 10:44:37,314 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [275 Valid, 975 Invalid, 428 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [117 Valid, 311 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2024-11-10 10:44:37,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2024-11-10 10:44:37,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 182. [2024-11-10 10:44:37,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 182 states, 107 states have (on average 1.1869158878504673) internal successors, (127), 109 states have internal predecessors, (127), 57 states have call successors, (57), 16 states have call predecessors, (57), 17 states have return successors, (63), 56 states have call predecessors, (63), 56 states have call successors, (63) [2024-11-10 10:44:37,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 247 transitions. [2024-11-10 10:44:37,359 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 247 transitions. Word has length 99 [2024-11-10 10:44:37,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 10:44:37,359 INFO L471 AbstractCegarLoop]: Abstraction has 182 states and 247 transitions. [2024-11-10 10:44:37,360 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 7.285714285714286) internal successors, (51), 7 states have internal predecessors, (51), 4 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (15), 3 states have call predecessors, (15), 4 states have call successors, (15) [2024-11-10 10:44:37,360 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 247 transitions. [2024-11-10 10:44:37,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-11-10 10:44:37,366 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 10:44:37,367 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 10:44:37,395 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-10 10:44:37,567 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 [2024-11-10 10:44:37,568 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 10:44:37,568 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 10:44:37,569 INFO L85 PathProgramCache]: Analyzing trace with hash -205854669, now seen corresponding path program 2 times [2024-11-10 10:44:37,569 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 10:44:37,569 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [122074336] [2024-11-10 10:44:37,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 10:44:37,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 10:44:41,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:44:43,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 10:44:43,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:44:43,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 10:44:43,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:44:43,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 10:44:43,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:44:43,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-10 10:44:43,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:44:43,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-10 10:44:43,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:44:44,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-10 10:44:44,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:44:45,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 10:44:45,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:44:45,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-10 10:44:45,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:44:45,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-10 10:44:45,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:44:45,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-10 10:44:45,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:44:45,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 10:44:45,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:44:45,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-10 10:44:45,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:44:45,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-10 10:44:45,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:44:45,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 10:44:45,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:44:45,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 10:44:45,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:44:46,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 10:44:46,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:44:46,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 10:44:46,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:44:46,138 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 3 proven. 18 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2024-11-10 10:44:46,138 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 10:44:46,138 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [122074336] [2024-11-10 10:44:46,138 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [122074336] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 10:44:46,138 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [389842151] [2024-11-10 10:44:46,139 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-10 10:44:46,139 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 10:44:46,139 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 10:44:46,141 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 10:44:46,142 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process