./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_array_list_front_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 84cfde4a Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_array_list_front_harness.i -s /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash db08682c30aec752483be6a01f1f927a34d978b2784f151bbe405368492dd0de --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-11 14:39:45,566 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 14:39:45,624 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-10-11 14:39:45,633 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 14:39:45,633 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 14:39:45,659 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 14:39:45,660 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 14:39:45,660 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 14:39:45,661 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-11 14:39:45,661 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-11 14:39:45,661 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 14:39:45,662 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 14:39:45,662 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 14:39:45,663 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 14:39:45,663 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 14:39:45,663 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 14:39:45,664 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-11 14:39:45,664 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-11 14:39:45,664 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 14:39:45,665 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-11 14:39:45,665 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 14:39:45,668 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-11 14:39:45,669 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 14:39:45,669 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-11 14:39:45,669 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 14:39:45,669 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 14:39:45,669 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 14:39:45,670 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-11 14:39:45,670 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 14:39:45,670 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 14:39:45,670 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 14:39:45,670 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 14:39:45,671 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-11 14:39:45,671 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-11 14:39:45,671 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-11 14:39:45,671 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 14:39:45,671 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 14:39:45,671 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 14:39:45,672 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 14:39:45,672 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> db08682c30aec752483be6a01f1f927a34d978b2784f151bbe405368492dd0de [2024-10-11 14:39:45,931 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 14:39:45,954 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 14:39:45,957 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 14:39:45,958 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 14:39:45,959 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 14:39:45,960 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_array_list_front_harness.i [2024-10-11 14:39:47,416 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 14:39:47,871 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 14:39:47,871 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_array_list_front_harness.i [2024-10-11 14:39:47,910 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/5496d3503/003b051636174d3baab7399ba2d63457/FLAG9a61c51d6 [2024-10-11 14:39:47,926 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/5496d3503/003b051636174d3baab7399ba2d63457 [2024-10-11 14:39:47,928 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 14:39:47,930 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 14:39:47,931 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 14:39:47,931 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 14:39:47,938 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 14:39:47,940 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:39:47" (1/1) ... [2024-10-11 14:39:47,941 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7af49977 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:39:47, skipping insertion in model container [2024-10-11 14:39:47,943 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:39:47" (1/1) ... [2024-10-11 14:39:48,041 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 14:39:48,308 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_array_list_front_harness.i[4494,4507] [2024-10-11 14:39:48,316 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_array_list_front_harness.i[4554,4567] [2024-10-11 14:39:48,960 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:39:48,960 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:39:48,961 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:39:48,962 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:39:48,962 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:39:48,973 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:39:48,974 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:39:48,976 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:39:48,976 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:39:48,978 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:39:48,979 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:39:48,980 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:39:48,980 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:39:49,334 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:39:49,348 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:39:49,411 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 14:39:49,442 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 14:39:49,457 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_array_list_front_harness.i[4494,4507] [2024-10-11 14:39:49,460 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_array_list_front_harness.i[4554,4567] [2024-10-11 14:39:49,531 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:39:49,532 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:39:49,533 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:39:49,534 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:39:49,534 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:39:49,543 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:39:49,543 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:39:49,544 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:39:49,545 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:39:49,546 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:39:49,546 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:39:49,547 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:39:49,547 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:39:49,618 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:39:49,630 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:39:49,637 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7767-7778] [2024-10-11 14:39:49,656 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 14:39:49,888 INFO L204 MainTranslator]: Completed translation [2024-10-11 14:39:49,888 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:39:49 WrapperNode [2024-10-11 14:39:49,888 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 14:39:49,890 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-11 14:39:49,890 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-11 14:39:49,890 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-11 14:39:49,897 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:39:49" (1/1) ... [2024-10-11 14:39:50,001 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:39:49" (1/1) ... [2024-10-11 14:39:50,073 INFO L138 Inliner]: procedures = 680, calls = 1676, calls flagged for inlining = 53, calls inlined = 8, statements flattened = 660 [2024-10-11 14:39:50,074 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-11 14:39:50,078 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-11 14:39:50,079 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-11 14:39:50,079 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-11 14:39:50,092 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:39:49" (1/1) ... [2024-10-11 14:39:50,092 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:39:49" (1/1) ... [2024-10-11 14:39:50,103 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:39:49" (1/1) ... [2024-10-11 14:39:50,185 INFO L175 MemorySlicer]: Split 312 memory accesses to 6 slices as follows [236, 2, 9, 6, 56, 3]. 76 percent of accesses are in the largest equivalence class. The 254 initializations are split as follows [236, 2, 5, 0, 10, 1]. The 7 writes are split as follows [0, 0, 1, 2, 3, 1]. [2024-10-11 14:39:50,186 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:39:49" (1/1) ... [2024-10-11 14:39:50,186 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:39:49" (1/1) ... [2024-10-11 14:39:50,231 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:39:49" (1/1) ... [2024-10-11 14:39:50,239 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:39:49" (1/1) ... [2024-10-11 14:39:50,255 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:39:49" (1/1) ... [2024-10-11 14:39:50,265 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:39:49" (1/1) ... [2024-10-11 14:39:50,285 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-11 14:39:50,286 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-11 14:39:50,286 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-11 14:39:50,286 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-11 14:39:50,287 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:39:49" (1/1) ... [2024-10-11 14:39:50,293 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 14:39:50,303 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 14:39:50,318 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-11 14:39:50,321 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-11 14:39:50,371 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-11 14:39:50,371 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2024-10-11 14:39:50,371 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2024-10-11 14:39:50,371 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2024-10-11 14:39:50,371 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2024-10-11 14:39:50,371 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-10-11 14:39:50,372 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-10-11 14:39:50,372 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-11 14:39:50,372 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-11 14:39:50,372 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-10-11 14:39:50,372 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-10-11 14:39:50,372 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-10-11 14:39:50,372 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-10-11 14:39:50,373 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-10-11 14:39:50,373 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-10-11 14:39:50,373 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-10-11 14:39:50,373 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-10-11 14:39:50,373 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-11 14:39:50,374 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-11 14:39:50,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-10-11 14:39:50,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-10-11 14:39:50,375 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-10-11 14:39:50,375 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-10-11 14:39:50,376 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-10-11 14:39:50,376 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-10-11 14:39:50,376 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2024-10-11 14:39:50,376 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2024-10-11 14:39:50,376 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-11 14:39:50,376 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-11 14:39:50,376 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-10-11 14:39:50,376 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-10-11 14:39:50,376 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2024-10-11 14:39:50,377 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2024-10-11 14:39:50,377 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2024-10-11 14:39:50,377 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2024-10-11 14:39:50,377 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2024-10-11 14:39:50,377 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2024-10-11 14:39:50,377 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2024-10-11 14:39:50,377 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2024-10-11 14:39:50,377 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_length [2024-10-11 14:39:50,377 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_length [2024-10-11 14:39:50,377 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-11 14:39:50,377 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-11 14:39:50,377 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2024-10-11 14:39:50,377 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2024-10-11 14:39:50,378 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-11 14:39:50,378 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-10-11 14:39:50,378 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-10-11 14:39:50,378 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-10-11 14:39:50,378 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-10-11 14:39:50,378 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-10-11 14:39:50,378 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-10-11 14:39:50,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-10-11 14:39:50,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-10-11 14:39:50,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-10-11 14:39:50,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-10-11 14:39:50,381 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-10-11 14:39:50,381 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-10-11 14:39:50,381 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-10-11 14:39:50,382 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-10-11 14:39:50,382 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2024-10-11 14:39:50,382 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2024-10-11 14:39:50,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-11 14:39:50,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-11 14:39:50,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-10-11 14:39:50,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-10-11 14:39:50,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-10-11 14:39:50,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-10-11 14:39:50,383 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2024-10-11 14:39:50,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2024-10-11 14:39:50,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-11 14:39:50,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-11 14:39:50,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-11 14:39:50,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-10-11 14:39:50,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-10-11 14:39:50,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-10-11 14:39:50,695 INFO L238 CfgBuilder]: Building ICFG [2024-10-11 14:39:50,699 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-11 14:39:51,444 INFO L? ?]: Removed 131 outVars from TransFormulas that were not future-live. [2024-10-11 14:39:51,444 INFO L287 CfgBuilder]: Performing block encoding [2024-10-11 14:39:51,557 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-11 14:39:51,558 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-11 14:39:51,559 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:39:51 BoogieIcfgContainer [2024-10-11 14:39:51,559 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-11 14:39:51,561 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-11 14:39:51,561 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-11 14:39:51,565 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-11 14:39:51,565 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 02:39:47" (1/3) ... [2024-10-11 14:39:51,566 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1fa452d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:39:51, skipping insertion in model container [2024-10-11 14:39:51,566 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:39:49" (2/3) ... [2024-10-11 14:39:51,568 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1fa452d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:39:51, skipping insertion in model container [2024-10-11 14:39:51,568 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:39:51" (3/3) ... [2024-10-11 14:39:51,569 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_array_list_front_harness.i [2024-10-11 14:39:51,585 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-11 14:39:51,586 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-11 14:39:51,655 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-11 14:39:51,666 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;@4973c1bb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-11 14:39:51,666 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-11 14:39:51,671 INFO L276 IsEmpty]: Start isEmpty. Operand has 170 states, 95 states have (on average 1.2421052631578948) internal successors, (118), 96 states have internal predecessors, (118), 56 states have call successors, (56), 17 states have call predecessors, (56), 17 states have return successors, (56), 56 states have call predecessors, (56), 56 states have call successors, (56) [2024-10-11 14:39:51,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-10-11 14:39:51,689 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 14:39:51,690 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 14:39:51,690 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 14:39:51,696 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 14:39:51,697 INFO L85 PathProgramCache]: Analyzing trace with hash -1014534717, now seen corresponding path program 1 times [2024-10-11 14:39:51,707 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 14:39:51,707 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [150064736] [2024-10-11 14:39:51,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 14:39:51,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 14:39:52,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:39:52,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:39:52,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:39:52,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-11 14:39:52,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:39:52,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-11 14:39:52,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:39:52,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-11 14:39:52,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:39:52,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 14:39:52,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:39:52,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-11 14:39:52,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:39:52,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-11 14:39:52,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:39:52,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-11 14:39:52,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:39:52,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-11 14:39:52,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:39:52,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-11 14:39:52,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:39:52,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:39:52,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:39:52,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-11 14:39:52,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:39:52,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-11 14:39:52,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:39:52,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-11 14:39:52,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:39:52,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-11 14:39:52,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:39:52,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-11 14:39:52,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:39:52,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-10-11 14:39:52,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:39:52,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-11 14:39:52,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:39:52,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-11 14:39:52,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:39:52,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-11 14:39:52,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:39:52,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-10-11 14:39:52,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:39:52,629 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-10-11 14:39:52,629 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 14:39:52,629 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [150064736] [2024-10-11 14:39:52,630 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [150064736] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 14:39:52,630 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 14:39:52,630 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 14:39:52,632 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1327914526] [2024-10-11 14:39:52,632 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 14:39:52,636 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 14:39:52,636 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 14:39:52,660 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 14:39:52,661 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-11 14:39:52,663 INFO L87 Difference]: Start difference. First operand has 170 states, 95 states have (on average 1.2421052631578948) internal successors, (118), 96 states have internal predecessors, (118), 56 states have call successors, (56), 17 states have call predecessors, (56), 17 states have return successors, (56), 56 states have call predecessors, (56), 56 states have call successors, (56) Second operand has 5 states, 5 states have (on average 8.0) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (23), 5 states have call predecessors, (23), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-10-11 14:39:53,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 14:39:53,871 INFO L93 Difference]: Finished difference Result 352 states and 523 transitions. [2024-10-11 14:39:53,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 14:39:53,874 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (23), 5 states have call predecessors, (23), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 123 [2024-10-11 14:39:53,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 14:39:53,884 INFO L225 Difference]: With dead ends: 352 [2024-10-11 14:39:53,885 INFO L226 Difference]: Without dead ends: 181 [2024-10-11 14:39:53,889 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2024-10-11 14:39:53,892 INFO L432 NwaCegarLoop]: 142 mSDtfsCounter, 96 mSDsluCounter, 146 mSDsCounter, 0 mSdLazyCounter, 303 mSolverCounterSat, 147 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 288 SdHoareTripleChecker+Invalid, 450 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 147 IncrementalHoareTripleChecker+Valid, 303 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-10-11 14:39:53,896 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [96 Valid, 288 Invalid, 450 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [147 Valid, 303 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-10-11 14:39:53,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 181 states. [2024-10-11 14:39:53,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 181 to 164. [2024-10-11 14:39:53,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 164 states, 91 states have (on average 1.1868131868131868) internal successors, (108), 92 states have internal predecessors, (108), 56 states have call successors, (56), 17 states have call predecessors, (56), 16 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) [2024-10-11 14:39:53,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 218 transitions. [2024-10-11 14:39:53,976 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 218 transitions. Word has length 123 [2024-10-11 14:39:53,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 14:39:53,977 INFO L471 AbstractCegarLoop]: Abstraction has 164 states and 218 transitions. [2024-10-11 14:39:53,978 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (23), 5 states have call predecessors, (23), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-10-11 14:39:53,978 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 218 transitions. [2024-10-11 14:39:53,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-10-11 14:39:53,981 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 14:39:53,981 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 14:39:53,983 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-11 14:39:53,983 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 14:39:53,983 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 14:39:53,983 INFO L85 PathProgramCache]: Analyzing trace with hash 686227075, now seen corresponding path program 1 times [2024-10-11 14:39:53,984 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 14:39:53,984 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [44579835] [2024-10-11 14:39:53,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 14:39:53,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 14:39:54,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:39:54,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:39:54,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:39:54,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-11 14:39:54,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:39:54,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-11 14:39:54,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:39:54,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-11 14:39:54,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:39:54,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 14:39:54,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:39:54,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-11 14:39:54,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:39:54,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-11 14:39:54,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:39:54,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-11 14:39:54,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:39:54,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-11 14:39:54,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:39:54,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-11 14:39:54,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:39:54,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:39:54,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:39:54,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-11 14:39:54,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:39:54,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-11 14:39:54,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:39:54,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-11 14:39:54,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:39:54,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-11 14:39:54,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:39:54,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-11 14:39:54,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:39:55,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-10-11 14:39:55,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:39:55,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-11 14:39:55,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:39:55,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-11 14:39:55,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:39:55,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-11 14:39:55,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:39:55,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-10-11 14:39:55,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:39:55,046 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-10-11 14:39:55,046 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 14:39:55,046 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [44579835] [2024-10-11 14:39:55,047 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [44579835] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 14:39:55,047 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 14:39:55,047 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-11 14:39:55,047 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [146368754] [2024-10-11 14:39:55,047 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 14:39:55,051 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-11 14:39:55,051 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 14:39:55,052 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-11 14:39:55,052 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-10-11 14:39:55,052 INFO L87 Difference]: Start difference. First operand 164 states and 218 transitions. Second operand has 10 states, 9 states have (on average 4.444444444444445) internal successors, (40), 6 states have internal predecessors, (40), 3 states have call successors, (23), 5 states have call predecessors, (23), 2 states have return successors, (21), 4 states have call predecessors, (21), 3 states have call successors, (21) [2024-10-11 14:39:56,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 14:39:56,421 INFO L93 Difference]: Finished difference Result 301 states and 411 transitions. [2024-10-11 14:39:56,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-11 14:39:56,422 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 4.444444444444445) internal successors, (40), 6 states have internal predecessors, (40), 3 states have call successors, (23), 5 states have call predecessors, (23), 2 states have return successors, (21), 4 states have call predecessors, (21), 3 states have call successors, (21) Word has length 123 [2024-10-11 14:39:56,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 14:39:56,425 INFO L225 Difference]: With dead ends: 301 [2024-10-11 14:39:56,425 INFO L226 Difference]: Without dead ends: 196 [2024-10-11 14:39:56,430 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=42, Invalid=140, Unknown=0, NotChecked=0, Total=182 [2024-10-11 14:39:56,431 INFO L432 NwaCegarLoop]: 134 mSDtfsCounter, 145 mSDsluCounter, 526 mSDsCounter, 0 mSdLazyCounter, 769 mSolverCounterSat, 229 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 148 SdHoareTripleChecker+Valid, 660 SdHoareTripleChecker+Invalid, 998 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 229 IncrementalHoareTripleChecker+Valid, 769 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-10-11 14:39:56,431 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [148 Valid, 660 Invalid, 998 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [229 Valid, 769 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-10-11 14:39:56,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 196 states. [2024-10-11 14:39:56,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 196 to 177. [2024-10-11 14:39:56,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 177 states, 99 states have (on average 1.1818181818181819) internal successors, (117), 100 states have internal predecessors, (117), 60 states have call successors, (60), 17 states have call predecessors, (60), 17 states have return successors, (59), 59 states have call predecessors, (59), 58 states have call successors, (59) [2024-10-11 14:39:56,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 236 transitions. [2024-10-11 14:39:56,475 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 236 transitions. Word has length 123 [2024-10-11 14:39:56,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 14:39:56,476 INFO L471 AbstractCegarLoop]: Abstraction has 177 states and 236 transitions. [2024-10-11 14:39:56,477 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 4.444444444444445) internal successors, (40), 6 states have internal predecessors, (40), 3 states have call successors, (23), 5 states have call predecessors, (23), 2 states have return successors, (21), 4 states have call predecessors, (21), 3 states have call successors, (21) [2024-10-11 14:39:56,477 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 236 transitions. [2024-10-11 14:39:56,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-10-11 14:39:56,483 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 14:39:56,483 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 14:39:56,483 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-11 14:39:56,484 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 14:39:56,484 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 14:39:56,484 INFO L85 PathProgramCache]: Analyzing trace with hash 1562246081, now seen corresponding path program 1 times [2024-10-11 14:39:56,484 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 14:39:56,484 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [53401007] [2024-10-11 14:39:56,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 14:39:56,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 14:39:56,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:39:57,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:39:57,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:39:57,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-11 14:39:57,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:39:57,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-11 14:39:57,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:39:57,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-11 14:39:57,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:39:57,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 14:39:57,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:39:57,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-11 14:39:57,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:39:57,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-11 14:39:57,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:39:57,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-11 14:39:57,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:39:57,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-11 14:39:57,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:39:57,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-11 14:39:57,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:39:57,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:39:57,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:39:57,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-11 14:39:57,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:39:57,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-11 14:39:57,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:39:57,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-11 14:39:57,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:39:57,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-11 14:39:57,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:39:57,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-11 14:39:57,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:39:57,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-10-11 14:39:57,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:39:57,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-11 14:39:57,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:39:57,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-11 14:39:57,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:39:57,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-11 14:39:57,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:39:57,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-10-11 14:39:57,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:39:57,473 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-10-11 14:39:57,474 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 14:39:57,474 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [53401007] [2024-10-11 14:39:57,475 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [53401007] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 14:39:57,475 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 14:39:57,476 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-10-11 14:39:57,476 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [858662864] [2024-10-11 14:39:57,476 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 14:39:57,476 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-11 14:39:57,476 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 14:39:57,477 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-11 14:39:57,477 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2024-10-11 14:39:57,477 INFO L87 Difference]: Start difference. First operand 177 states and 236 transitions. Second operand has 11 states, 10 states have (on average 4.0) internal successors, (40), 7 states have internal predecessors, (40), 4 states have call successors, (23), 5 states have call predecessors, (23), 2 states have return successors, (21), 5 states have call predecessors, (21), 4 states have call successors, (21) [2024-10-11 14:39:58,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 14:39:58,918 INFO L93 Difference]: Finished difference Result 316 states and 439 transitions. [2024-10-11 14:39:58,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-11 14:39:58,919 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 4.0) internal successors, (40), 7 states have internal predecessors, (40), 4 states have call successors, (23), 5 states have call predecessors, (23), 2 states have return successors, (21), 5 states have call predecessors, (21), 4 states have call successors, (21) Word has length 123 [2024-10-11 14:39:58,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 14:39:58,922 INFO L225 Difference]: With dead ends: 316 [2024-10-11 14:39:58,922 INFO L226 Difference]: Without dead ends: 217 [2024-10-11 14:39:58,923 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=44, Invalid=166, Unknown=0, NotChecked=0, Total=210 [2024-10-11 14:39:58,925 INFO L432 NwaCegarLoop]: 140 mSDtfsCounter, 153 mSDsluCounter, 634 mSDsCounter, 0 mSdLazyCounter, 923 mSolverCounterSat, 251 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 168 SdHoareTripleChecker+Valid, 774 SdHoareTripleChecker+Invalid, 1174 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 251 IncrementalHoareTripleChecker+Valid, 923 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-10-11 14:39:58,926 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [168 Valid, 774 Invalid, 1174 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [251 Valid, 923 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-10-11 14:39:58,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217 states. [2024-10-11 14:39:58,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 183. [2024-10-11 14:39:58,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 183 states, 102 states have (on average 1.1764705882352942) internal successors, (120), 103 states have internal predecessors, (120), 63 states have call successors, (63), 17 states have call predecessors, (63), 17 states have return successors, (62), 62 states have call predecessors, (62), 61 states have call successors, (62) [2024-10-11 14:39:58,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 183 states and 245 transitions. [2024-10-11 14:39:58,970 INFO L78 Accepts]: Start accepts. Automaton has 183 states and 245 transitions. Word has length 123 [2024-10-11 14:39:58,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 14:39:58,970 INFO L471 AbstractCegarLoop]: Abstraction has 183 states and 245 transitions. [2024-10-11 14:39:58,971 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 4.0) internal successors, (40), 7 states have internal predecessors, (40), 4 states have call successors, (23), 5 states have call predecessors, (23), 2 states have return successors, (21), 5 states have call predecessors, (21), 4 states have call successors, (21) [2024-10-11 14:39:58,971 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 245 transitions. [2024-10-11 14:39:58,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-10-11 14:39:58,974 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 14:39:58,974 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 14:39:58,974 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-11 14:39:58,974 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 14:39:58,974 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 14:39:58,975 INFO L85 PathProgramCache]: Analyzing trace with hash 1167879295, now seen corresponding path program 1 times [2024-10-11 14:39:58,975 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 14:39:58,975 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [444002734] [2024-10-11 14:39:58,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 14:39:58,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 14:39:59,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:39:59,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:39:59,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:39:59,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-11 14:39:59,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:39:59,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-11 14:39:59,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:39:59,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-11 14:39:59,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:39:59,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 14:39:59,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:39:59,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-11 14:39:59,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:39:59,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-11 14:39:59,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:39:59,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-11 14:39:59,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:39:59,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-11 14:39:59,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:39:59,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-11 14:39:59,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:39:59,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:39:59,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:39:59,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-11 14:39:59,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:39:59,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-11 14:39:59,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:39:59,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-11 14:39:59,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:39:59,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-11 14:39:59,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:39:59,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-11 14:39:59,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:39:59,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-10-11 14:39:59,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:39:59,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-11 14:39:59,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:39:59,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-11 14:39:59,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:39:59,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-11 14:39:59,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:39:59,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-10-11 14:39:59,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:39:59,900 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 33 proven. 2 refuted. 0 times theorem prover too weak. 185 trivial. 0 not checked. [2024-10-11 14:39:59,900 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 14:39:59,900 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [444002734] [2024-10-11 14:39:59,901 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [444002734] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 14:39:59,901 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [955525554] [2024-10-11 14:39:59,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 14:39:59,901 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 14:39:59,901 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 14:39:59,903 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 14:39:59,904 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-11 14:40:00,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:40:00,394 INFO L255 TraceCheckSpWp]: Trace formula consists of 2196 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-10-11 14:40:00,404 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 14:40:00,484 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 106 proven. 0 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2024-10-11 14:40:00,484 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 14:40:00,484 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [955525554] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 14:40:00,484 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 14:40:00,484 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [9] total 11 [2024-10-11 14:40:00,485 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1833825959] [2024-10-11 14:40:00,485 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 14:40:00,485 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-11 14:40:00,485 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 14:40:00,486 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-11 14:40:00,486 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2024-10-11 14:40:00,486 INFO L87 Difference]: Start difference. First operand 183 states and 245 transitions. Second operand has 6 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 3 states have call successors, (23), 2 states have call predecessors, (23), 4 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2024-10-11 14:40:00,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 14:40:00,813 INFO L93 Difference]: Finished difference Result 342 states and 466 transitions. [2024-10-11 14:40:00,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-11 14:40:00,814 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 3 states have call successors, (23), 2 states have call predecessors, (23), 4 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) Word has length 123 [2024-10-11 14:40:00,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 14:40:00,816 INFO L225 Difference]: With dead ends: 342 [2024-10-11 14:40:00,816 INFO L226 Difference]: Without dead ends: 185 [2024-10-11 14:40:00,817 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 160 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2024-10-11 14:40:00,817 INFO L432 NwaCegarLoop]: 188 mSDtfsCounter, 0 mSDsluCounter, 716 mSDsCounter, 0 mSdLazyCounter, 182 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 904 SdHoareTripleChecker+Invalid, 182 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 182 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-11 14:40:00,818 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 904 Invalid, 182 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 182 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-11 14:40:00,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 185 states. [2024-10-11 14:40:00,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 185 to 185. [2024-10-11 14:40:00,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 185 states, 103 states have (on average 1.174757281553398) internal successors, (121), 105 states have internal predecessors, (121), 63 states have call successors, (63), 17 states have call predecessors, (63), 18 states have return successors, (71), 62 states have call predecessors, (71), 61 states have call successors, (71) [2024-10-11 14:40:00,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 255 transitions. [2024-10-11 14:40:00,836 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 255 transitions. Word has length 123 [2024-10-11 14:40:00,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 14:40:00,836 INFO L471 AbstractCegarLoop]: Abstraction has 185 states and 255 transitions. [2024-10-11 14:40:00,836 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 3 states have call successors, (23), 2 states have call predecessors, (23), 4 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2024-10-11 14:40:00,836 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 255 transitions. [2024-10-11 14:40:00,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-10-11 14:40:00,837 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 14:40:00,838 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 14:40:00,861 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-11 14:40:01,040 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 14:40:01,040 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 14:40:01,041 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 14:40:01,041 INFO L85 PathProgramCache]: Analyzing trace with hash -1730876606, now seen corresponding path program 1 times [2024-10-11 14:40:01,041 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 14:40:01,041 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [234425935] [2024-10-11 14:40:01,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 14:40:01,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 14:40:01,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:40:01,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:40:01,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:40:01,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-11 14:40:01,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:40:01,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-11 14:40:01,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:40:01,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-11 14:40:01,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:40:01,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 14:40:01,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:40:01,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-11 14:40:01,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:40:01,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 14:40:01,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:40:01,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:40:01,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:40:01,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-11 14:40:01,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:40:01,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-11 14:40:01,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:40:01,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-11 14:40:01,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:40:01,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-10-11 14:40:01,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:40:01,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:40:01,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:40:01,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-11 14:40:01,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:40:01,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-11 14:40:01,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:40:01,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-10-11 14:40:01,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:40:01,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-11 14:40:01,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:40:01,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-10-11 14:40:01,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:40:01,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-11 14:40:01,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:40:01,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-11 14:40:01,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:40:01,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-11 14:40:01,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:40:01,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-10-11 14:40:01,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:40:01,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-10-11 14:40:01,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:40:01,658 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2024-10-11 14:40:01,658 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 14:40:01,658 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [234425935] [2024-10-11 14:40:01,658 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [234425935] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 14:40:01,658 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [584934589] [2024-10-11 14:40:01,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 14:40:01,659 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 14:40:01,659 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 14:40:01,662 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 14:40:01,663 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-11 14:40:02,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:40:02,153 INFO L255 TraceCheckSpWp]: Trace formula consists of 2337 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-11 14:40:02,162 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 14:40:02,240 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 140 trivial. 0 not checked. [2024-10-11 14:40:02,240 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 14:40:02,240 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [584934589] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 14:40:02,240 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 14:40:02,240 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 11 [2024-10-11 14:40:02,240 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2133879250] [2024-10-11 14:40:02,240 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 14:40:02,241 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 14:40:02,241 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 14:40:02,242 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 14:40:02,242 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2024-10-11 14:40:02,242 INFO L87 Difference]: Start difference. First operand 185 states and 255 transitions. Second operand has 5 states, 5 states have (on average 11.0) internal successors, (55), 5 states have internal predecessors, (55), 4 states have call successors, (25), 2 states have call predecessors, (25), 3 states have return successors, (23), 4 states have call predecessors, (23), 4 states have call successors, (23) [2024-10-11 14:40:02,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 14:40:02,477 INFO L93 Difference]: Finished difference Result 220 states and 291 transitions. [2024-10-11 14:40:02,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-11 14:40:02,477 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.0) internal successors, (55), 5 states have internal predecessors, (55), 4 states have call successors, (25), 2 states have call predecessors, (25), 3 states have return successors, (23), 4 states have call predecessors, (23), 4 states have call successors, (23) Word has length 136 [2024-10-11 14:40:02,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 14:40:02,478 INFO L225 Difference]: With dead ends: 220 [2024-10-11 14:40:02,478 INFO L226 Difference]: Without dead ends: 0 [2024-10-11 14:40:02,479 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 185 GetRequests, 175 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2024-10-11 14:40:02,480 INFO L432 NwaCegarLoop]: 55 mSDtfsCounter, 15 mSDsluCounter, 144 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 199 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 14:40:02,480 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 199 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 14:40:02,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-10-11 14:40:02,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-10-11 14:40:02,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 14:40:02,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-10-11 14:40:02,481 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 136 [2024-10-11 14:40:02,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 14:40:02,481 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-11 14:40:02,481 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.0) internal successors, (55), 5 states have internal predecessors, (55), 4 states have call successors, (25), 2 states have call predecessors, (25), 3 states have return successors, (23), 4 states have call predecessors, (23), 4 states have call successors, (23) [2024-10-11 14:40:02,481 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-10-11 14:40:02,481 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-10-11 14:40:02,486 INFO L782 garLoopResultBuilder]: Registering result SAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-10-11 14:40:02,508 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-10-11 14:40:02,686 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 14:40:02,689 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2024-10-11 14:40:02,691 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-10-11 14:40:02,923 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-11 14:40:02,938 WARN L155 FloydHoareUtils]: Requires clause for bounded_malloc contained old-variable. Original clause: (and (= |old(#length)| |#length|) (= |old(#valid)| |#valid|)) Eliminated clause: true [2024-10-11 14:40:02,940 WARN L155 FloydHoareUtils]: Requires clause for ensure_array_list_has_allocated_data_member contained old-variable. Original clause: (and (= |old(#length)| |#length|) (= |#memory_real#2| |old(#memory_real#2)|) (= |#memory_real#4| |old(#memory_real#4)|) (= |old(#memory_$Pointer$#2.base)| |#memory_$Pointer$#2.base|) (= |#memory_int#4| |old(#memory_int#4)|) (= |old(#memory_$Pointer$#4.base)| |#memory_$Pointer$#4.base|) (= |#memory_int#2| |old(#memory_int#2)|) (= |#memory_$Pointer$#2.offset| |old(#memory_$Pointer$#2.offset)|) (= |old(#valid)| |#valid|) (= |#memory_$Pointer$#4.offset| |old(#memory_$Pointer$#4.offset)|)) Eliminated clause: true [2024-10-11 14:40:02,942 WARN L155 FloydHoareUtils]: Requires clause for aws_array_list_is_valid contained old-variable. Original clause: (and (= |old(#length)| |#length|) (= |old(#memory_$Pointer$#5.offset)| |#memory_$Pointer$#5.offset|) (= |#memory_int#5| |old(#memory_int#5)|) (= |#memory_$Pointer$#5.base| |old(#memory_$Pointer$#5.base)|) (= ~tl_last_error~0 |old(~tl_last_error~0)|) (= |#memory_real#5| |old(#memory_real#5)|) (= |old(#valid)| |#valid|)) Eliminated clause: true [2024-10-11 14:40:02,947 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #in~list!base [2024-10-11 14:40:02,950 WARN L155 FloydHoareUtils]: Requires clause for aws_raise_error contained old-variable. Original clause: (= ~tl_last_error~0 |old(~tl_last_error~0)|) Eliminated clause: true [2024-10-11 14:40:02,950 WARN L155 FloydHoareUtils]: Requires clause for __CPROVER_overflow_mult contained old-variable. Original clause: (and (= |old(#length)| |#length|) (= |old(#valid)| |#valid|)) Eliminated clause: true [2024-10-11 14:40:02,952 WARN L155 FloydHoareUtils]: Requires clause for aws_mul_size_checked contained old-variable. Original clause: (and (= |old(#length)| |#length|) (= |old(#memory_$Pointer$#5.offset)| |#memory_$Pointer$#5.offset|) (= |#memory_int#5| |old(#memory_int#5)|) (= |#memory_$Pointer$#5.base| |old(#memory_$Pointer$#5.base)|) (= ~tl_last_error~0 |old(~tl_last_error~0)|) (= |#memory_real#5| |old(#memory_real#5)|) (= |old(#valid)| |#valid|)) Eliminated clause: true [2024-10-11 14:40:02,957 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 02:40:02 BoogieIcfgContainer [2024-10-11 14:40:02,957 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-11 14:40:02,957 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-11 14:40:02,957 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-11 14:40:02,957 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-11 14:40:02,958 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:39:51" (3/4) ... [2024-10-11 14:40:02,960 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-11 14:40:02,963 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure can_fail_malloc [2024-10-11 14:40:02,964 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure bounded_malloc [2024-10-11 14:40:02,964 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ensure_array_list_has_allocated_data_member [2024-10-11 14:40:02,964 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_array_list_is_bounded [2024-10-11 14:40:02,964 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_array_list_is_valid [2024-10-11 14:40:02,964 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure nondet_bool [2024-10-11 14:40:02,964 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2024-10-11 14:40:02,964 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_raise_error [2024-10-11 14:40:02,964 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure my_memcpy [2024-10-11 14:40:02,964 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure can_fail_allocator [2024-10-11 14:40:02,964 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __CPROVER_overflow_mult [2024-10-11 14:40:02,964 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assert_byte_from_buffer_matches [2024-10-11 14:40:02,964 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure nondet_size_t [2024-10-11 14:40:02,964 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_mul_size_checked [2024-10-11 14:40:02,964 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure memcpy_impl [2024-10-11 14:40:02,965 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_array_list_length [2024-10-11 14:40:02,965 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2024-10-11 14:40:02,982 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 152 nodes and edges [2024-10-11 14:40:02,984 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 67 nodes and edges [2024-10-11 14:40:02,984 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2024-10-11 14:40:02,985 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2024-10-11 14:40:02,986 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-10-11 14:40:02,987 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-10-11 14:40:02,988 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-10-11 14:40:02,988 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-10-11 14:40:03,432 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-11 14:40:03,433 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/witness.yml [2024-10-11 14:40:03,433 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-11 14:40:03,434 INFO L158 Benchmark]: Toolchain (without parser) took 15503.88ms. Allocated memory was 174.1MB in the beginning and 408.9MB in the end (delta: 234.9MB). Free memory was 99.3MB in the beginning and 81.6MB in the end (delta: 17.8MB). Peak memory consumption was 251.8MB. Max. memory is 16.1GB. [2024-10-11 14:40:03,434 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 113.2MB. Free memory is still 75.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-11 14:40:03,434 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1957.71ms. Allocated memory is still 174.1MB. Free memory was 99.1MB in the beginning and 76.5MB in the end (delta: 22.6MB). Peak memory consumption was 68.4MB. Max. memory is 16.1GB. [2024-10-11 14:40:03,435 INFO L158 Benchmark]: Boogie Procedure Inliner took 183.80ms. Allocated memory is still 174.1MB. Free memory was 76.5MB in the beginning and 118.9MB in the end (delta: -42.4MB). Peak memory consumption was 19.4MB. Max. memory is 16.1GB. [2024-10-11 14:40:03,435 INFO L158 Benchmark]: Boogie Preprocessor took 206.90ms. Allocated memory is still 174.1MB. Free memory was 118.9MB in the beginning and 103.0MB in the end (delta: 15.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-10-11 14:40:03,435 INFO L158 Benchmark]: RCFGBuilder took 1273.40ms. Allocated memory was 174.1MB in the beginning and 272.6MB in the end (delta: 98.6MB). Free memory was 103.0MB in the beginning and 134.6MB in the end (delta: -31.6MB). Peak memory consumption was 67.1MB. Max. memory is 16.1GB. [2024-10-11 14:40:03,436 INFO L158 Benchmark]: TraceAbstraction took 11395.51ms. Allocated memory was 272.6MB in the beginning and 408.9MB in the end (delta: 136.3MB). Free memory was 134.6MB in the beginning and 207.4MB in the end (delta: -72.8MB). Peak memory consumption was 64.6MB. Max. memory is 16.1GB. [2024-10-11 14:40:03,436 INFO L158 Benchmark]: Witness Printer took 476.06ms. Allocated memory is still 408.9MB. Free memory was 207.4MB in the beginning and 81.6MB in the end (delta: 125.8MB). Peak memory consumption was 123.7MB. Max. memory is 16.1GB. [2024-10-11 14:40:03,438 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 113.2MB. Free memory is still 75.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1957.71ms. Allocated memory is still 174.1MB. Free memory was 99.1MB in the beginning and 76.5MB in the end (delta: 22.6MB). Peak memory consumption was 68.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 183.80ms. Allocated memory is still 174.1MB. Free memory was 76.5MB in the beginning and 118.9MB in the end (delta: -42.4MB). Peak memory consumption was 19.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 206.90ms. Allocated memory is still 174.1MB. Free memory was 118.9MB in the beginning and 103.0MB in the end (delta: 15.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * RCFGBuilder took 1273.40ms. Allocated memory was 174.1MB in the beginning and 272.6MB in the end (delta: 98.6MB). Free memory was 103.0MB in the beginning and 134.6MB in the end (delta: -31.6MB). Peak memory consumption was 67.1MB. Max. memory is 16.1GB. * TraceAbstraction took 11395.51ms. Allocated memory was 272.6MB in the beginning and 408.9MB in the end (delta: 136.3MB). Free memory was 134.6MB in the beginning and 207.4MB in the end (delta: -72.8MB). Peak memory consumption was 64.6MB. Max. memory is 16.1GB. * Witness Printer took 476.06ms. Allocated memory is still 408.9MB. Free memory was 207.4MB in the beginning and 81.6MB in the end (delta: 125.8MB). Peak memory consumption was 123.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 7767]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7767-7778] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #in~list!base * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 223]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 18 procedures, 170 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 11.1s, OverallIterations: 5, TraceHistogramMax: 10, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 4.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 427 SdHoareTripleChecker+Valid, 4.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 409 mSDsluCounter, 2825 SdHoareTripleChecker+Invalid, 3.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2166 mSDsCounter, 628 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2228 IncrementalHoareTripleChecker+Invalid, 2856 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 628 mSolverCounterUnsat, 659 mSDtfsCounter, 2228 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 520 GetRequests, 472 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=185occurred in iteration=4, InterpolantAutomatonStates: 40, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 5 MinimizatonAttempts, 70 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 4.0s InterpolantComputationTime, 887 NumberOfCodeBlocks, 887 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 880 ConstructedInterpolants, 0 QuantifiedInterpolants, 1839 SizeOfPredicates, 2 NumberOfNonLiveVariables, 4533 ConjunctsInSsa, 25 ConjunctsInUnsatCore, 7 InterpolantComputations, 5 PerfectInterpolantSequences, 1526/1540 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 7381]: Loop Invariant Derived loop invariant: 0 - ProcedureContractResult [Line: 2795]: Procedure Contract for can_fail_malloc Derived contract for procedure can_fail_malloc. Requires: 0 Ensures: 0 - ProcedureContractResult [Line: 210]: Procedure Contract for assume_abort_if_not Derived contract for procedure assume_abort_if_not. Ensures: (cond != 0) - ProcedureContractResult [Line: 7387]: Procedure Contract for my_memcpy Derived contract for procedure my_memcpy. Requires: 0 Ensures: 0 - ProcedureContractResult [Line: 7174]: Procedure Contract for assert_byte_from_buffer_matches Derived contract for procedure assert_byte_from_buffer_matches. Requires: 0 Ensures: 0 - ProcedureContractResult [Line: 263]: Procedure Contract for nondet_size_t Derived contract for procedure nondet_size_t. Requires: 0 Ensures: 0 - ProcedureContractResult [Line: 7373]: Procedure Contract for memcpy_impl Derived contract for procedure memcpy_impl. Requires: 0 Ensures: 0 - ProcedureContractResult [Line: 3487]: Procedure Contract for aws_array_list_length Derived contract for procedure aws_array_list_length. Requires: 0 Ensures: 0 - ProcedureContractResult [Line: 222]: Procedure Contract for __VERIFIER_assert Derived contract for procedure __VERIFIER_assert. Requires: 0 Ensures: 0 RESULT: Ultimate proved your program to be correct! [2024-10-11 14:40:03,474 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE