./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_swap_contents_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4a390ef5 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_array_list_swap_contents_harness.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash dffc4cc659c78c5e4d3c572c2e076191f4762fb06451fbe9d95775fc3e18059d --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4a390ef-m [2024-10-24 12:44:52,416 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-24 12:44:52,479 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-10-24 12:44:52,484 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-24 12:44:52,484 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-24 12:44:52,516 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-24 12:44:52,516 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-24 12:44:52,517 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-24 12:44:52,518 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-24 12:44:52,519 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-24 12:44:52,519 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-24 12:44:52,519 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-24 12:44:52,520 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-24 12:44:52,520 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-24 12:44:52,521 INFO L153 SettingsManager]: * Use SBE=true [2024-10-24 12:44:52,521 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-24 12:44:52,521 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-24 12:44:52,521 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-24 12:44:52,522 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-24 12:44:52,524 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-24 12:44:52,525 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-24 12:44:52,525 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-24 12:44:52,526 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-24 12:44:52,527 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-24 12:44:52,527 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-24 12:44:52,527 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-24 12:44:52,527 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-24 12:44:52,528 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-24 12:44:52,528 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-24 12:44:52,528 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 12:44:52,528 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-24 12:44:52,529 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-24 12:44:52,529 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-24 12:44:52,529 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-24 12:44:52,529 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-24 12:44:52,529 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-24 12:44:52,530 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-24 12:44:52,530 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-24 12:44:52,533 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-24 12:44:52,533 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dffc4cc659c78c5e4d3c572c2e076191f4762fb06451fbe9d95775fc3e18059d [2024-10-24 12:44:52,817 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-24 12:44:52,845 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-24 12:44:52,847 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-24 12:44:52,849 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-24 12:44:52,850 INFO L274 PluginConnector]: CDTParser initialized [2024-10-24 12:44:52,851 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_array_list_swap_contents_harness.i [2024-10-24 12:44:54,212 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-24 12:44:54,627 INFO L384 CDTParser]: Found 1 translation units. [2024-10-24 12:44:54,629 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_array_list_swap_contents_harness.i [2024-10-24 12:44:54,670 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ff6e7e4ac/26c9f2287d23420d8bbe2d42a0cd367b/FLAGcd032fdfb [2024-10-24 12:44:54,687 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ff6e7e4ac/26c9f2287d23420d8bbe2d42a0cd367b [2024-10-24 12:44:54,690 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-24 12:44:54,692 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-24 12:44:54,695 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-24 12:44:54,696 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-24 12:44:54,702 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-24 12:44:54,702 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 12:44:54" (1/1) ... [2024-10-24 12:44:54,703 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@650b45aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:44:54, skipping insertion in model container [2024-10-24 12:44:54,703 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 12:44:54" (1/1) ... [2024-10-24 12:44:54,821 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-24 12:44:55,145 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_swap_contents_harness.i[4502,4515] [2024-10-24 12:44:55,152 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_swap_contents_harness.i[4562,4575] [2024-10-24 12:44:55,882 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 12:44:55,887 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 12:44:55,887 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 12:44:55,888 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 12:44:55,889 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 12:44:55,905 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 12:44:55,906 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 12:44:55,912 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 12:44:55,912 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 12:44:55,915 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 12:44:55,919 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 12:44:55,919 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 12:44:55,920 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 12:44:56,251 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 12:44:56,257 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 12:44:56,320 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 12:44:56,364 INFO L200 MainTranslator]: Completed pre-run [2024-10-24 12:44:56,383 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_swap_contents_harness.i[4502,4515] [2024-10-24 12:44:56,383 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_swap_contents_harness.i[4562,4575] [2024-10-24 12:44:56,458 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 12:44:56,458 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 12:44:56,459 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 12:44:56,459 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 12:44:56,460 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 12:44:56,471 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 12:44:56,474 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 12:44:56,475 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 12:44:56,475 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 12:44:56,476 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 12:44:56,477 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 12:44:56,477 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 12:44:56,479 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 12:44:56,597 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 12:44:56,605 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 12:44:56,621 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7747-7758] [2024-10-24 12:44:56,650 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 12:44:56,877 INFO L204 MainTranslator]: Completed translation [2024-10-24 12:44:56,878 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:44:56 WrapperNode [2024-10-24 12:44:56,878 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-24 12:44:56,879 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-24 12:44:56,880 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-24 12:44:56,880 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-24 12:44:56,887 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:44:56" (1/1) ... [2024-10-24 12:44:56,971 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:44:56" (1/1) ... [2024-10-24 12:44:57,042 INFO L138 Inliner]: procedures = 679, calls = 1708, calls flagged for inlining = 51, calls inlined = 7, statements flattened = 699 [2024-10-24 12:44:57,042 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-24 12:44:57,043 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-24 12:44:57,044 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-24 12:44:57,044 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-24 12:44:57,056 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:44:56" (1/1) ... [2024-10-24 12:44:57,056 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:44:56" (1/1) ... [2024-10-24 12:44:57,066 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:44:56" (1/1) ... [2024-10-24 12:44:57,149 INFO L175 MemorySlicer]: Split 356 memory accesses to 7 slices as follows [7, 236, 2, 10, 3, 92, 6]. 66 percent of accesses are in the largest equivalence class. The 269 initializations are split as follows [5, 236, 2, 5, 1, 20, 0]. The 16 writes are split as follows [0, 0, 0, 0, 1, 13, 2]. [2024-10-24 12:44:57,150 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:44:56" (1/1) ... [2024-10-24 12:44:57,150 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:44:56" (1/1) ... [2024-10-24 12:44:57,190 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:44:56" (1/1) ... [2024-10-24 12:44:57,197 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:44:56" (1/1) ... [2024-10-24 12:44:57,211 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:44:56" (1/1) ... [2024-10-24 12:44:57,220 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:44:56" (1/1) ... [2024-10-24 12:44:57,236 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-24 12:44:57,241 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-24 12:44:57,241 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-24 12:44:57,241 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-24 12:44:57,242 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:44:56" (1/1) ... [2024-10-24 12:44:57,248 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 12:44:57,259 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 12:44:57,279 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-24 12:44:57,283 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-24 12:44:57,333 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-24 12:44:57,333 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2024-10-24 12:44:57,334 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2024-10-24 12:44:57,334 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2024-10-24 12:44:57,334 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2024-10-24 12:44:57,334 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-10-24 12:44:57,334 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-10-24 12:44:57,334 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-24 12:44:57,334 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-24 12:44:57,334 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-10-24 12:44:57,334 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-10-24 12:44:57,334 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-10-24 12:44:57,335 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-10-24 12:44:57,335 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-10-24 12:44:57,335 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-10-24 12:44:57,335 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-10-24 12:44:57,335 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-10-24 12:44:57,335 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-10-24 12:44:57,335 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-24 12:44:57,335 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-24 12:44:57,335 INFO L130 BoogieDeclarations]: Found specification of procedure save_byte_from_array [2024-10-24 12:44:57,335 INFO L138 BoogieDeclarations]: Found implementation of procedure save_byte_from_array [2024-10-24 12:44:57,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-10-24 12:44:57,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-10-24 12:44:57,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-10-24 12:44:57,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-10-24 12:44:57,336 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-10-24 12:44:57,336 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-10-24 12:44:57,336 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-10-24 12:44:57,336 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-24 12:44:57,336 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-24 12:44:57,336 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-10-24 12:44:57,336 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-10-24 12:44:57,336 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2024-10-24 12:44:57,336 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2024-10-24 12:44:57,336 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2024-10-24 12:44:57,336 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2024-10-24 12:44:57,336 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-24 12:44:57,337 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-24 12:44:57,337 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-24 12:44:57,337 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-10-24 12:44:57,337 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-10-24 12:44:57,337 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-10-24 12:44:57,337 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-10-24 12:44:57,337 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-10-24 12:44:57,337 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-10-24 12:44:57,337 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-10-24 12:44:57,337 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-10-24 12:44:57,337 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-10-24 12:44:57,338 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-10-24 12:44:57,338 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-10-24 12:44:57,338 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-10-24 12:44:57,338 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-10-24 12:44:57,338 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-10-24 12:44:57,338 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-10-24 12:44:57,342 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-10-24 12:44:57,343 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2024-10-24 12:44:57,343 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2024-10-24 12:44:57,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-24 12:44:57,345 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-24 12:44:57,345 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-10-24 12:44:57,345 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-10-24 12:44:57,345 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-10-24 12:44:57,345 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-10-24 12:44:57,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-10-24 12:44:57,346 INFO L130 BoogieDeclarations]: Found specification of procedure assert_array_list_equivalence [2024-10-24 12:44:57,346 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_array_list_equivalence [2024-10-24 12:44:57,346 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2024-10-24 12:44:57,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2024-10-24 12:44:57,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-24 12:44:57,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-24 12:44:57,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-24 12:44:57,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-10-24 12:44:57,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-10-24 12:44:57,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-10-24 12:44:57,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-10-24 12:44:57,692 INFO L238 CfgBuilder]: Building ICFG [2024-10-24 12:44:57,697 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-24 12:45:00,052 INFO L? ?]: Removed 91 outVars from TransFormulas that were not future-live. [2024-10-24 12:45:00,053 INFO L287 CfgBuilder]: Performing block encoding [2024-10-24 12:45:00,168 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-24 12:45:00,168 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-24 12:45:00,171 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 12:45:00 BoogieIcfgContainer [2024-10-24 12:45:00,171 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-24 12:45:00,173 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-24 12:45:00,174 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-24 12:45:00,177 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-24 12:45:00,178 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 12:44:54" (1/3) ... [2024-10-24 12:45:00,178 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6471811d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 12:45:00, skipping insertion in model container [2024-10-24 12:45:00,178 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:44:56" (2/3) ... [2024-10-24 12:45:00,179 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6471811d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 12:45:00, skipping insertion in model container [2024-10-24 12:45:00,179 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 12:45:00" (3/3) ... [2024-10-24 12:45:00,180 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_array_list_swap_contents_harness.i [2024-10-24 12:45:00,198 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-24 12:45:00,198 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-24 12:45:00,276 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-24 12:45:00,283 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;@df425a5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-24 12:45:00,283 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-24 12:45:00,288 INFO L276 IsEmpty]: Start isEmpty. Operand has 146 states, 78 states have (on average 1.1923076923076923) internal successors, (93), 79 states have internal predecessors, (93), 52 states have call successors, (52), 14 states have call predecessors, (52), 14 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2024-10-24 12:45:00,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2024-10-24 12:45:00,307 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 12:45:00,308 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 12:45:00,309 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 12:45:00,315 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 12:45:00,316 INFO L85 PathProgramCache]: Analyzing trace with hash 1562394890, now seen corresponding path program 1 times [2024-10-24 12:45:00,325 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 12:45:00,325 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1106901740] [2024-10-24 12:45:00,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 12:45:00,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 12:45:00,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:45:01,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 12:45:01,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:45:01,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-24 12:45:01,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:45:01,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-24 12:45:01,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:45:01,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-24 12:45:01,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:45:01,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 12:45:01,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:45:01,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-24 12:45:01,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:45:01,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-24 12:45:01,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:45:01,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-24 12:45:01,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:45:01,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 12:45:01,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:45:01,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 12:45:01,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:45:01,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-24 12:45:01,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:45:01,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 12:45:01,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:45:01,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 12:45:01,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:45:01,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-24 12:45:01,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:45:01,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 12:45:01,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:45:01,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-24 12:45:01,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:45:01,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-24 12:45:01,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:45:01,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-24 12:45:01,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:45:01,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-24 12:45:01,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:45:01,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-24 12:45:01,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:45:01,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-24 12:45:01,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:45:01,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-24 12:45:01,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:45:01,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-10-24 12:45:01,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:45:01,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-10-24 12:45:01,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:45:01,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-24 12:45:01,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:45:01,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-10-24 12:45:01,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:45:01,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-10-24 12:45:01,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:45:01,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-10-24 12:45:01,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:45:01,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-10-24 12:45:01,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:45:01,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-10-24 12:45:01,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:45:01,783 INFO L134 CoverageAnalysis]: Checked inductivity of 601 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 594 trivial. 0 not checked. [2024-10-24 12:45:01,786 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 12:45:01,787 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1106901740] [2024-10-24 12:45:01,788 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1106901740] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 12:45:01,788 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [829648514] [2024-10-24 12:45:01,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 12:45:01,788 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 12:45:01,788 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 12:45:01,791 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 12:45:01,793 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-24 12:45:02,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:45:02,491 INFO L255 TraceCheckSpWp]: Trace formula consists of 2571 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-24 12:45:02,505 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 12:45:02,550 INFO L134 CoverageAnalysis]: Checked inductivity of 601 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 532 trivial. 0 not checked. [2024-10-24 12:45:02,550 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 12:45:02,551 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [829648514] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 12:45:02,551 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-24 12:45:02,555 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 6 [2024-10-24 12:45:02,558 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1782216878] [2024-10-24 12:45:02,562 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 12:45:02,567 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 12:45:02,568 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 12:45:02,593 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 12:45:02,594 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-24 12:45:02,597 INFO L87 Difference]: Start difference. First operand has 146 states, 78 states have (on average 1.1923076923076923) internal successors, (93), 79 states have internal predecessors, (93), 52 states have call successors, (52), 14 states have call predecessors, (52), 14 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2024-10-24 12:45:02,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 12:45:02,960 INFO L93 Difference]: Finished difference Result 290 states and 427 transitions. [2024-10-24 12:45:02,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 12:45:02,963 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 169 [2024-10-24 12:45:02,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 12:45:02,974 INFO L225 Difference]: With dead ends: 290 [2024-10-24 12:45:02,974 INFO L226 Difference]: Without dead ends: 145 [2024-10-24 12:45:02,981 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 232 GetRequests, 228 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-24 12:45:02,984 INFO L432 NwaCegarLoop]: 183 mSDtfsCounter, 0 mSDsluCounter, 179 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 362 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-24 12:45:02,985 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 362 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-24 12:45:03,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2024-10-24 12:45:03,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 145. [2024-10-24 12:45:03,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 145 states, 78 states have (on average 1.1666666666666667) internal successors, (91), 79 states have internal predecessors, (91), 52 states have call successors, (52), 14 states have call predecessors, (52), 14 states have return successors, (51), 51 states have call predecessors, (51), 51 states have call successors, (51) [2024-10-24 12:45:03,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 194 transitions. [2024-10-24 12:45:03,062 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 194 transitions. Word has length 169 [2024-10-24 12:45:03,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 12:45:03,066 INFO L471 AbstractCegarLoop]: Abstraction has 145 states and 194 transitions. [2024-10-24 12:45:03,066 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2024-10-24 12:45:03,066 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 194 transitions. [2024-10-24 12:45:03,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2024-10-24 12:45:03,073 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 12:45:03,074 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 12:45:03,097 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-10-24 12:45:03,274 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-10-24 12:45:03,275 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 12:45:03,275 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 12:45:03,275 INFO L85 PathProgramCache]: Analyzing trace with hash 729519622, now seen corresponding path program 1 times [2024-10-24 12:45:03,275 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 12:45:03,276 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2050005431] [2024-10-24 12:45:03,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 12:45:03,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 12:45:03,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:45:03,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 12:45:03,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:45:03,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-24 12:45:03,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:45:03,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-24 12:45:03,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:45:03,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-24 12:45:03,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:45:03,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 12:45:03,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:45:03,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-24 12:45:03,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:45:03,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-24 12:45:03,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:45:03,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-24 12:45:03,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:45:03,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 12:45:03,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:45:03,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 12:45:03,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:45:03,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-24 12:45:03,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:45:03,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 12:45:03,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:45:04,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 12:45:04,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:45:04,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-24 12:45:04,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:45:04,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 12:45:04,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:45:04,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-24 12:45:04,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:45:04,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-24 12:45:04,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:45:04,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-24 12:45:04,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:45:04,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-24 12:45:04,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:45:04,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-24 12:45:04,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:45:04,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-24 12:45:04,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:45:04,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-24 12:45:04,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:45:04,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-10-24 12:45:04,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:45:04,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-10-24 12:45:04,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:45:04,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-24 12:45:04,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:45:04,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-10-24 12:45:04,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:45:04,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-10-24 12:45:04,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:45:04,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-10-24 12:45:04,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:45:04,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-10-24 12:45:04,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:45:04,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-10-24 12:45:04,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:45:04,244 INFO L134 CoverageAnalysis]: Checked inductivity of 601 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 589 trivial. 0 not checked. [2024-10-24 12:45:04,245 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 12:45:04,245 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2050005431] [2024-10-24 12:45:04,246 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2050005431] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 12:45:04,246 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [370582774] [2024-10-24 12:45:04,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 12:45:04,246 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 12:45:04,247 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 12:45:04,248 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 12:45:04,250 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-24 12:45:04,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:45:04,895 INFO L255 TraceCheckSpWp]: Trace formula consists of 2577 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-24 12:45:04,906 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 12:45:04,999 INFO L134 CoverageAnalysis]: Checked inductivity of 601 backedges. 149 proven. 0 refuted. 0 times theorem prover too weak. 452 trivial. 0 not checked. [2024-10-24 12:45:05,001 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 12:45:05,002 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [370582774] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 12:45:05,002 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-24 12:45:05,002 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 11 [2024-10-24 12:45:05,002 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1456324734] [2024-10-24 12:45:05,002 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 12:45:05,003 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 12:45:05,003 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 12:45:05,004 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 12:45:05,004 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2024-10-24 12:45:05,005 INFO L87 Difference]: Start difference. First operand 145 states and 194 transitions. Second operand has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 3 states have call successors, (31), 2 states have call predecessors, (31), 3 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2024-10-24 12:45:05,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 12:45:05,596 INFO L93 Difference]: Finished difference Result 286 states and 387 transitions. [2024-10-24 12:45:05,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 12:45:05,597 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 3 states have call successors, (31), 2 states have call predecessors, (31), 3 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) Word has length 169 [2024-10-24 12:45:05,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 12:45:05,605 INFO L225 Difference]: With dead ends: 286 [2024-10-24 12:45:05,605 INFO L226 Difference]: Without dead ends: 147 [2024-10-24 12:45:05,606 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 231 GetRequests, 222 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2024-10-24 12:45:05,610 INFO L432 NwaCegarLoop]: 165 mSDtfsCounter, 29 mSDsluCounter, 428 mSDsCounter, 0 mSdLazyCounter, 111 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 593 SdHoareTripleChecker+Invalid, 112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 111 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-24 12:45:05,611 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 593 Invalid, 112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 111 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-24 12:45:05,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2024-10-24 12:45:05,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 147. [2024-10-24 12:45:05,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 147 states, 79 states have (on average 1.1645569620253164) internal successors, (92), 81 states have internal predecessors, (92), 52 states have call successors, (52), 14 states have call predecessors, (52), 15 states have return successors, (57), 51 states have call predecessors, (57), 51 states have call successors, (57) [2024-10-24 12:45:05,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 201 transitions. [2024-10-24 12:45:05,631 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 201 transitions. Word has length 169 [2024-10-24 12:45:05,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 12:45:05,632 INFO L471 AbstractCegarLoop]: Abstraction has 147 states and 201 transitions. [2024-10-24 12:45:05,632 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 3 states have call successors, (31), 2 states have call predecessors, (31), 3 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2024-10-24 12:45:05,632 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 201 transitions. [2024-10-24 12:45:05,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2024-10-24 12:45:05,635 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 12:45:05,635 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 5, 5, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 12:45:05,658 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-10-24 12:45:05,836 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2024-10-24 12:45:05,837 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 12:45:05,837 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 12:45:05,837 INFO L85 PathProgramCache]: Analyzing trace with hash 1574792892, now seen corresponding path program 1 times [2024-10-24 12:45:05,837 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 12:45:05,837 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2029324227] [2024-10-24 12:45:05,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 12:45:05,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 12:45:05,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:45:06,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 12:45:06,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:45:06,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-24 12:45:06,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:45:06,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-24 12:45:06,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:45:06,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-24 12:45:06,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:45:06,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 12:45:06,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:45:06,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-24 12:45:06,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:45:06,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 12:45:06,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:45:06,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 12:45:06,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:45:06,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-24 12:45:06,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:45:06,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-24 12:45:06,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:45:06,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-24 12:45:06,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:45:06,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-24 12:45:06,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:45:06,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-24 12:45:06,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:45:06,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 12:45:06,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:45:06,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-24 12:45:06,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:45:06,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-24 12:45:06,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:45:06,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-24 12:45:06,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:45:06,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-24 12:45:06,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:45:06,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-24 12:45:06,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:45:06,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-24 12:45:06,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:45:06,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-24 12:45:06,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:45:06,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-24 12:45:06,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:45:06,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-24 12:45:06,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:45:06,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-24 12:45:06,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:45:06,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-24 12:45:06,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:45:06,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-24 12:45:06,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:45:06,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-24 12:45:06,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:45:06,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-24 12:45:06,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:45:06,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-24 12:45:06,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:45:06,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-24 12:45:06,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:45:06,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-24 12:45:06,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:45:06,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-24 12:45:06,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:45:06,795 INFO L134 CoverageAnalysis]: Checked inductivity of 601 backedges. 3 proven. 9 refuted. 0 times theorem prover too weak. 589 trivial. 0 not checked. [2024-10-24 12:45:06,796 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 12:45:06,797 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2029324227] [2024-10-24 12:45:06,797 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2029324227] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 12:45:06,798 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [798251697] [2024-10-24 12:45:06,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 12:45:06,798 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 12:45:06,798 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 12:45:06,800 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 12:45:06,801 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-24 12:45:07,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:45:07,408 INFO L255 TraceCheckSpWp]: Trace formula consists of 2696 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-24 12:45:07,414 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 12:45:07,502 INFO L134 CoverageAnalysis]: Checked inductivity of 601 backedges. 267 proven. 0 refuted. 0 times theorem prover too weak. 334 trivial. 0 not checked. [2024-10-24 12:45:07,503 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 12:45:07,503 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [798251697] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 12:45:07,503 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-24 12:45:07,503 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 12 [2024-10-24 12:45:07,504 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1273345305] [2024-10-24 12:45:07,504 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 12:45:07,504 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 12:45:07,505 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 12:45:07,505 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 12:45:07,505 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2024-10-24 12:45:07,506 INFO L87 Difference]: Start difference. First operand 147 states and 201 transitions. Second operand has 5 states, 5 states have (on average 11.0) internal successors, (55), 5 states have internal predecessors, (55), 3 states have call successors, (31), 2 states have call predecessors, (31), 3 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2024-10-24 12:45:08,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 12:45:08,026 INFO L93 Difference]: Finished difference Result 254 states and 348 transitions. [2024-10-24 12:45:08,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 12:45:08,027 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), 3 states have call successors, (31), 2 states have call predecessors, (31), 3 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) Word has length 182 [2024-10-24 12:45:08,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 12:45:08,031 INFO L225 Difference]: With dead ends: 254 [2024-10-24 12:45:08,031 INFO L226 Difference]: Without dead ends: 147 [2024-10-24 12:45:08,032 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 248 GetRequests, 238 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2024-10-24 12:45:08,033 INFO L432 NwaCegarLoop]: 167 mSDtfsCounter, 27 mSDsluCounter, 432 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 599 SdHoareTripleChecker+Invalid, 106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-24 12:45:08,033 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 599 Invalid, 106 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-24 12:45:08,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2024-10-24 12:45:08,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 147. [2024-10-24 12:45:08,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 147 states, 79 states have (on average 1.1645569620253164) internal successors, (92), 81 states have internal predecessors, (92), 52 states have call successors, (52), 14 states have call predecessors, (52), 15 states have return successors, (55), 51 states have call predecessors, (55), 51 states have call successors, (55) [2024-10-24 12:45:08,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 199 transitions. [2024-10-24 12:45:08,058 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 199 transitions. Word has length 182 [2024-10-24 12:45:08,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 12:45:08,062 INFO L471 AbstractCegarLoop]: Abstraction has 147 states and 199 transitions. [2024-10-24 12:45:08,063 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), 3 states have call successors, (31), 2 states have call predecessors, (31), 3 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2024-10-24 12:45:08,063 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 199 transitions. [2024-10-24 12:45:08,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2024-10-24 12:45:08,066 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 12:45:08,066 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 5, 5, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 12:45:08,083 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-10-24 12:45:08,267 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 12:45:08,267 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 12:45:08,267 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 12:45:08,268 INFO L85 PathProgramCache]: Analyzing trace with hash 1545720176, now seen corresponding path program 2 times [2024-10-24 12:45:08,268 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 12:45:08,268 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [197802371] [2024-10-24 12:45:08,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 12:45:08,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 12:45:08,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:45:08,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 12:45:08,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:45:08,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-24 12:45:08,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:45:08,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-24 12:45:08,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:45:08,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-24 12:45:08,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:45:08,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 12:45:08,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:45:08,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-24 12:45:08,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:45:08,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 12:45:08,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:45:08,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 12:45:08,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:45:08,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-24 12:45:08,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:45:08,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-24 12:45:08,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:45:09,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-24 12:45:09,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:45:09,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-24 12:45:09,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:45:09,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-24 12:45:09,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:45:09,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 12:45:09,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:45:09,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-24 12:45:09,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:45:09,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 12:45:09,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:45:09,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 12:45:09,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:45:09,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-24 12:45:09,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:45:09,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-10-24 12:45:09,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:45:09,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-10-24 12:45:09,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:45:09,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-24 12:45:09,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:45:09,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-24 12:45:09,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:45:09,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-24 12:45:09,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:45:09,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-24 12:45:09,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:45:09,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-24 12:45:09,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:45:09,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-24 12:45:09,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:45:09,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-24 12:45:09,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:45:09,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-24 12:45:09,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:45:09,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-10-24 12:45:09,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:45:09,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-24 12:45:09,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:45:09,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-24 12:45:09,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:45:09,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-10-24 12:45:09,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:45:09,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-10-24 12:45:09,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:45:09,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-24 12:45:09,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:45:09,330 INFO L134 CoverageAnalysis]: Checked inductivity of 614 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 602 trivial. 0 not checked. [2024-10-24 12:45:09,330 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 12:45:09,330 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [197802371] [2024-10-24 12:45:09,330 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [197802371] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 12:45:09,331 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [111107346] [2024-10-24 12:45:09,331 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-24 12:45:09,331 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 12:45:09,331 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 12:45:09,333 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 12:45:09,335 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-24 12:45:10,628 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-24 12:45:10,629 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-24 12:45:10,643 INFO L255 TraceCheckSpWp]: Trace formula consists of 2815 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-24 12:45:10,650 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 12:45:10,802 INFO L134 CoverageAnalysis]: Checked inductivity of 614 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 602 trivial. 0 not checked. [2024-10-24 12:45:10,802 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 12:45:10,803 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [111107346] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 12:45:10,803 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-24 12:45:10,803 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [10] total 14 [2024-10-24 12:45:10,803 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1924843691] [2024-10-24 12:45:10,803 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 12:45:10,804 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 12:45:10,804 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 12:45:10,808 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 12:45:10,808 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2024-10-24 12:45:10,808 INFO L87 Difference]: Start difference. First operand 147 states and 199 transitions. Second operand has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 6 states have internal predecessors, (50), 4 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (30), 4 states have call predecessors, (30), 3 states have call successors, (30) [2024-10-24 12:45:13,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 12:45:13,370 INFO L93 Difference]: Finished difference Result 224 states and 300 transitions. [2024-10-24 12:45:13,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-24 12:45:13,371 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 6 states have internal predecessors, (50), 4 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (30), 4 states have call predecessors, (30), 3 states have call successors, (30) Word has length 195 [2024-10-24 12:45:13,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 12:45:13,373 INFO L225 Difference]: With dead ends: 224 [2024-10-24 12:45:13,373 INFO L226 Difference]: Without dead ends: 147 [2024-10-24 12:45:13,374 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 267 GetRequests, 254 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=36, Invalid=174, Unknown=0, NotChecked=0, Total=210 [2024-10-24 12:45:13,374 INFO L432 NwaCegarLoop]: 166 mSDtfsCounter, 21 mSDsluCounter, 583 mSDsCounter, 0 mSdLazyCounter, 129 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 749 SdHoareTripleChecker+Invalid, 149 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 129 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2024-10-24 12:45:13,375 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 749 Invalid, 149 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 129 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2024-10-24 12:45:13,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2024-10-24 12:45:13,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 147. [2024-10-24 12:45:13,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 147 states, 79 states have (on average 1.1645569620253164) internal successors, (92), 81 states have internal predecessors, (92), 52 states have call successors, (52), 14 states have call predecessors, (52), 15 states have return successors, (53), 51 states have call predecessors, (53), 51 states have call successors, (53) [2024-10-24 12:45:13,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 197 transitions. [2024-10-24 12:45:13,389 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 197 transitions. Word has length 195 [2024-10-24 12:45:13,389 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 12:45:13,390 INFO L471 AbstractCegarLoop]: Abstraction has 147 states and 197 transitions. [2024-10-24 12:45:13,390 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 6 states have internal predecessors, (50), 4 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (30), 4 states have call predecessors, (30), 3 states have call successors, (30) [2024-10-24 12:45:13,390 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 197 transitions. [2024-10-24 12:45:13,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2024-10-24 12:45:13,392 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 12:45:13,392 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 12:45:13,416 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-10-24 12:45:13,593 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 12:45:13,593 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 12:45:13,594 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 12:45:13,594 INFO L85 PathProgramCache]: Analyzing trace with hash -474919866, now seen corresponding path program 3 times [2024-10-24 12:45:13,594 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 12:45:13,594 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2073616453] [2024-10-24 12:45:13,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 12:45:13,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 12:45:13,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:45:14,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 12:45:14,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:45:14,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-24 12:45:14,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:45:14,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-24 12:45:14,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:45:14,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-24 12:45:14,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:45:14,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 12:45:14,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:45:14,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-24 12:45:14,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:45:14,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 12:45:14,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:45:14,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 12:45:14,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:45:14,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-24 12:45:14,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:45:14,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-24 12:45:14,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:45:14,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-24 12:45:14,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:45:14,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-24 12:45:14,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:45:14,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-24 12:45:14,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:45:14,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 12:45:14,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:45:14,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-24 12:45:14,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:45:14,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 12:45:14,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:45:14,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 12:45:14,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:45:14,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-24 12:45:14,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:45:14,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-10-24 12:45:14,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:45:14,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-10-24 12:45:14,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:45:14,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-24 12:45:14,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:45:14,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-24 12:45:14,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:45:14,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-24 12:45:14,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:45:14,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-24 12:45:14,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:45:14,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-24 12:45:14,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:45:14,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-24 12:45:14,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:45:14,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-24 12:45:14,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:45:14,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-24 12:45:14,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:45:14,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-10-24 12:45:14,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:45:14,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-24 12:45:14,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:45:14,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 12:45:14,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:45:14,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 12:45:14,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:45:14,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-10-24 12:45:14,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:45:14,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-10-24 12:45:14,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:45:14,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-10-24 12:45:14,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:45:14,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-10-24 12:45:14,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:45:14,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 12:45:14,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:45:14,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 12:45:14,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:45:14,732 INFO L134 CoverageAnalysis]: Checked inductivity of 679 backedges. 9 proven. 3 refuted. 0 times theorem prover too weak. 667 trivial. 0 not checked. [2024-10-24 12:45:14,733 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 12:45:14,733 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2073616453] [2024-10-24 12:45:14,733 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2073616453] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 12:45:14,733 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [635285805] [2024-10-24 12:45:14,733 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-24 12:45:14,733 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 12:45:14,734 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 12:45:14,735 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 12:45:14,737 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-24 12:45:19,998 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-10-24 12:45:19,999 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-24 12:45:20,012 INFO L255 TraceCheckSpWp]: Trace formula consists of 2134 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-10-24 12:45:20,020 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 12:45:20,109 INFO L134 CoverageAnalysis]: Checked inductivity of 679 backedges. 109 proven. 0 refuted. 0 times theorem prover too weak. 570 trivial. 0 not checked. [2024-10-24 12:45:20,109 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 12:45:20,109 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [635285805] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 12:45:20,110 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-24 12:45:20,110 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [10] total 14 [2024-10-24 12:45:20,110 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [159757312] [2024-10-24 12:45:20,110 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 12:45:20,119 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 12:45:20,120 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 12:45:20,121 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 12:45:20,121 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=156, Unknown=0, NotChecked=0, Total=182 [2024-10-24 12:45:20,121 INFO L87 Difference]: Start difference. First operand 147 states and 197 transitions. Second operand has 6 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 3 states have call successors, (33), 2 states have call predecessors, (33), 4 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2024-10-24 12:45:21,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 12:45:21,569 INFO L93 Difference]: Finished difference Result 217 states and 288 transitions. [2024-10-24 12:45:21,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-24 12:45:21,570 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 3 states have call successors, (33), 2 states have call predecessors, (33), 4 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) Word has length 221 [2024-10-24 12:45:21,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 12:45:21,572 INFO L225 Difference]: With dead ends: 217 [2024-10-24 12:45:21,573 INFO L226 Difference]: Without dead ends: 147 [2024-10-24 12:45:21,573 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 300 GetRequests, 288 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=26, Invalid=156, Unknown=0, NotChecked=0, Total=182 [2024-10-24 12:45:21,574 INFO L432 NwaCegarLoop]: 164 mSDtfsCounter, 0 mSDsluCounter, 613 mSDsCounter, 0 mSdLazyCounter, 184 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 777 SdHoareTripleChecker+Invalid, 184 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 184 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-10-24 12:45:21,575 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 777 Invalid, 184 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 184 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-10-24 12:45:21,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2024-10-24 12:45:21,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 147. [2024-10-24 12:45:21,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 147 states, 79 states have (on average 1.1645569620253164) internal successors, (92), 81 states have internal predecessors, (92), 52 states have call successors, (52), 14 states have call predecessors, (52), 15 states have return successors, (52), 51 states have call predecessors, (52), 51 states have call successors, (52) [2024-10-24 12:45:21,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 196 transitions. [2024-10-24 12:45:21,595 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 196 transitions. Word has length 221 [2024-10-24 12:45:21,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 12:45:21,596 INFO L471 AbstractCegarLoop]: Abstraction has 147 states and 196 transitions. [2024-10-24 12:45:21,596 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 3 states have call successors, (33), 2 states have call predecessors, (33), 4 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2024-10-24 12:45:21,596 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 196 transitions. [2024-10-24 12:45:21,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2024-10-24 12:45:21,599 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 12:45:21,599 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 12:45:21,627 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-10-24 12:45:21,799 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 12:45:21,800 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 12:45:21,800 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 12:45:21,800 INFO L85 PathProgramCache]: Analyzing trace with hash 915002838, now seen corresponding path program 1 times [2024-10-24 12:45:21,800 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 12:45:21,801 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1087061349] [2024-10-24 12:45:21,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 12:45:21,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 12:45:23,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-24 12:45:23,627 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [267655590] [2024-10-24 12:45:23,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 12:45:23,628 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 12:45:23,629 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 12:45:23,630 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 12:45:23,632 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-10-24 12:45:29,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:45:29,561 INFO L255 TraceCheckSpWp]: Trace formula consists of 3172 conjuncts, 341 conjuncts are in the unsatisfiable core [2024-10-24 12:45:29,578 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 12:45:29,614 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2024-10-24 12:45:30,066 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2024-10-24 12:46:00,145 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 25 [2024-10-24 12:46:00,568 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 55