./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../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 c7c6ca5d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_array_list_swap_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-?-c7c6ca5-m [2024-11-09 02:59:09,321 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 02:59:09,365 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-09 02:59:09,375 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 02:59:09,375 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 02:59:09,391 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 02:59:09,393 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 02:59:09,393 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 02:59:09,394 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 02:59:09,394 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 02:59:09,394 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 02:59:09,395 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 02:59:09,395 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 02:59:09,395 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 02:59:09,395 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 02:59:09,396 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 02:59:09,396 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 02:59:09,396 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 02:59:09,397 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 02:59:09,397 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 02:59:09,397 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 02:59:09,399 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 02:59:09,399 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 02:59:09,400 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 02:59:09,404 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 02:59:09,405 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 02:59:09,405 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 02:59:09,405 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 02:59:09,405 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 02:59:09,406 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 02:59:09,406 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 02:59:09,406 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 02:59:09,406 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 02:59:09,406 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 02:59:09,406 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 02:59:09,407 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 02:59:09,407 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 02:59:09,407 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 02:59:09,407 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 02:59:09,407 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dffc4cc659c78c5e4d3c572c2e076191f4762fb06451fbe9d95775fc3e18059d [2024-11-09 02:59:09,629 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 02:59:09,652 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 02:59:09,655 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 02:59:09,657 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 02:59:09,657 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 02:59:09,658 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_array_list_swap_contents_harness.i [2024-11-09 02:59:11,016 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 02:59:11,415 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 02:59:11,415 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_array_list_swap_contents_harness.i [2024-11-09 02:59:11,450 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5ecd07ec2/ebb94c7cee2b4d8d9a05cbf11614feba/FLAG6dc036b23 [2024-11-09 02:59:11,463 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5ecd07ec2/ebb94c7cee2b4d8d9a05cbf11614feba [2024-11-09 02:59:11,465 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 02:59:11,467 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 02:59:11,468 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 02:59:11,468 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 02:59:11,473 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 02:59:11,473 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 02:59:11" (1/1) ... [2024-11-09 02:59:11,476 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76b3dfec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:59:11, skipping insertion in model container [2024-11-09 02:59:11,476 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 02:59:11" (1/1) ... [2024-11-09 02:59:11,620 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 02:59:11,849 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_array_list_swap_contents_harness.i[4502,4515] [2024-11-09 02:59:11,856 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_array_list_swap_contents_harness.i[4562,4575] [2024-11-09 02:59:12,343 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:59:12,343 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:59:12,344 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:59:12,344 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:59:12,345 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:59:12,357 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:59:12,357 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:59:12,358 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:59:12,359 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:59:12,360 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:59:12,361 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:59:12,361 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:59:12,361 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:59:12,655 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:59:12,660 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:59:12,708 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 02:59:12,749 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 02:59:12,768 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_array_list_swap_contents_harness.i[4502,4515] [2024-11-09 02:59:12,769 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_array_list_swap_contents_harness.i[4562,4575] [2024-11-09 02:59:12,836 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:59:12,838 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:59:12,838 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:59:12,839 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:59:12,839 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:59:12,845 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:59:12,850 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:59:12,851 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:59:12,852 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:59:12,853 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:59:12,854 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:59:12,854 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:59:12,855 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:59:12,963 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:59:12,970 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:59:12,977 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7747-7758] [2024-11-09 02:59:12,999 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 02:59:13,177 INFO L204 MainTranslator]: Completed translation [2024-11-09 02:59:13,177 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:59:13 WrapperNode [2024-11-09 02:59:13,177 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 02:59:13,178 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 02:59:13,178 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 02:59:13,178 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 02:59:13,185 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:59:13" (1/1) ... [2024-11-09 02:59:13,250 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:59:13" (1/1) ... [2024-11-09 02:59:13,314 INFO L138 Inliner]: procedures = 679, calls = 1720, calls flagged for inlining = 51, calls inlined = 7, statements flattened = 701 [2024-11-09 02:59:13,314 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 02:59:13,315 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 02:59:13,315 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 02:59:13,315 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 02:59:13,325 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:59:13" (1/1) ... [2024-11-09 02:59:13,326 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:59:13" (1/1) ... [2024-11-09 02:59:13,339 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:59:13" (1/1) ... [2024-11-09 02:59:13,397 INFO L175 MemorySlicer]: Split 358 memory accesses to 7 slices as follows [238, 2, 3, 6, 10, 7, 92]. 66 percent of accesses are in the largest equivalence class. The 39 initializations are split as follows [6, 2, 1, 0, 5, 5, 20]. The 248 writes are split as follows [232, 0, 1, 2, 0, 0, 13]. [2024-11-09 02:59:13,398 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:59:13" (1/1) ... [2024-11-09 02:59:13,398 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:59:13" (1/1) ... [2024-11-09 02:59:13,434 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:59:13" (1/1) ... [2024-11-09 02:59:13,439 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:59:13" (1/1) ... [2024-11-09 02:59:13,453 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:59:13" (1/1) ... [2024-11-09 02:59:13,462 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:59:13" (1/1) ... [2024-11-09 02:59:13,477 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 02:59:13,478 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 02:59:13,478 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 02:59:13,478 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 02:59:13,479 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:59:13" (1/1) ... [2024-11-09 02:59:13,486 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 02:59:13,495 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 02:59:13,509 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-09 02:59:13,512 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-09 02:59:13,549 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-09 02:59:13,549 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2024-11-09 02:59:13,549 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2024-11-09 02:59:13,550 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2024-11-09 02:59:13,550 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2024-11-09 02:59:13,550 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-09 02:59:13,550 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-09 02:59:13,550 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-09 02:59:13,551 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-09 02:59:13,551 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-09 02:59:13,551 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-09 02:59:13,551 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-09 02:59:13,551 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-09 02:59:13,552 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-09 02:59:13,552 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-09 02:59:13,552 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-09 02:59:13,552 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-09 02:59:13,552 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-09 02:59:13,553 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-09 02:59:13,553 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-09 02:59:13,553 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-09 02:59:13,553 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-11-09 02:59:13,553 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-11-09 02:59:13,554 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-09 02:59:13,554 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-09 02:59:13,554 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-09 02:59:13,555 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 02:59:13,555 INFO L130 BoogieDeclarations]: Found specification of procedure save_byte_from_array [2024-11-09 02:59:13,555 INFO L138 BoogieDeclarations]: Found implementation of procedure save_byte_from_array [2024-11-09 02:59:13,555 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-09 02:59:13,555 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-09 02:59:13,555 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-09 02:59:13,555 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-09 02:59:13,555 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-09 02:59:13,555 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-09 02:59:13,555 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-09 02:59:13,555 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 02:59:13,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 02:59:13,556 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-09 02:59:13,556 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-09 02:59:13,556 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2024-11-09 02:59:13,556 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2024-11-09 02:59:13,556 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2024-11-09 02:59:13,556 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2024-11-09 02:59:13,556 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-09 02:59:13,556 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-09 02:59:13,556 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-09 02:59:13,556 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-09 02:59:13,556 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-09 02:59:13,556 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-09 02:59:13,556 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-09 02:59:13,557 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 02:59:13,557 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 02:59:13,557 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-09 02:59:13,557 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-09 02:59:13,557 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-09 02:59:13,557 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-09 02:59:13,559 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-09 02:59:13,559 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-09 02:59:13,559 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-09 02:59:13,559 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-09 02:59:13,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-09 02:59:13,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-09 02:59:13,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-09 02:59:13,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-09 02:59:13,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-09 02:59:13,561 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-09 02:59:13,561 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-09 02:59:13,561 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-09 02:59:13,561 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-09 02:59:13,561 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2024-11-09 02:59:13,562 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2024-11-09 02:59:13,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-09 02:59:13,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-09 02:59:13,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-09 02:59:13,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-09 02:59:13,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-09 02:59:13,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-09 02:59:13,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-09 02:59:13,562 INFO L130 BoogieDeclarations]: Found specification of procedure assert_array_list_equivalence [2024-11-09 02:59:13,563 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_array_list_equivalence [2024-11-09 02:59:13,563 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2024-11-09 02:59:13,563 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2024-11-09 02:59:13,563 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-09 02:59:13,563 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-09 02:59:13,563 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-09 02:59:13,563 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-09 02:59:13,563 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-09 02:59:13,563 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-09 02:59:13,563 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-09 02:59:13,856 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 02:59:13,858 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 02:59:20,576 INFO L? ?]: Removed 91 outVars from TransFormulas that were not future-live. [2024-11-09 02:59:20,577 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 02:59:20,592 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 02:59:20,593 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 02:59:20,593 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 02:59:20 BoogieIcfgContainer [2024-11-09 02:59:20,593 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 02:59:20,595 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 02:59:20,595 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 02:59:20,598 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 02:59:20,598 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 02:59:11" (1/3) ... [2024-11-09 02:59:20,599 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59646f63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 02:59:20, skipping insertion in model container [2024-11-09 02:59:20,599 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:59:13" (2/3) ... [2024-11-09 02:59:20,599 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59646f63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 02:59:20, skipping insertion in model container [2024-11-09 02:59:20,600 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 02:59:20" (3/3) ... [2024-11-09 02:59:20,601 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_array_list_swap_contents_harness.i [2024-11-09 02:59:20,614 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 02:59:20,616 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 02:59:20,680 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 02:59:20,686 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;@51dc124c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 02:59:20,687 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 02:59:20,691 INFO L276 IsEmpty]: Start isEmpty. Operand has 160 states, 92 states have (on average 1.1630434782608696) internal successors, (107), 93 states have internal predecessors, (107), 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) [2024-11-09 02:59:20,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2024-11-09 02:59:20,709 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 02:59:20,710 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, 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] [2024-11-09 02:59:20,712 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 02:59:20,717 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 02:59:20,719 INFO L85 PathProgramCache]: Analyzing trace with hash -959965628, now seen corresponding path program 1 times [2024-11-09 02:59:20,727 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 02:59:20,727 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [438322128] [2024-11-09 02:59:20,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 02:59:20,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 02:59:25,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:59:25,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 02:59:25,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:59:25,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 02:59:25,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:59:26,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 02:59:26,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:59:26,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 02:59:26,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:59:26,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-09 02:59:26,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:59:26,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-09 02:59:26,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:59:26,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-09 02:59:26,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:59:26,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-09 02:59:26,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:59:26,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-09 02:59:26,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:59:26,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-09 02:59:26,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:59:26,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 02:59:26,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:59:26,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-09 02:59:26,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:59:26,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-09 02:59:26,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:59:26,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-09 02:59:26,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:59:26,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-09 02:59:26,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:59:26,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-09 02:59:26,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:59:26,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-09 02:59:26,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:59:26,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-09 02:59:26,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:59:26,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-09 02:59:26,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:59:26,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-09 02:59:26,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:59:26,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-09 02:59:26,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:59:26,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-09 02:59:26,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:59:26,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-09 02:59:26,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:59:26,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-09 02:59:26,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:59:26,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-09 02:59:26,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:59:26,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-09 02:59:26,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:59:26,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-09 02:59:26,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:59:27,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-09 02:59:27,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:59:27,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-09 02:59:27,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:59:27,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-09 02:59:27,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:59:27,031 INFO L134 CoverageAnalysis]: Checked inductivity of 603 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 596 trivial. 0 not checked. [2024-11-09 02:59:27,033 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 02:59:27,034 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [438322128] [2024-11-09 02:59:27,035 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [438322128] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 02:59:27,035 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1030470355] [2024-11-09 02:59:27,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 02:59:27,036 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 02:59:27,036 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 02:59:27,039 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 02:59:27,040 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-09 02:59:31,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:59:32,016 INFO L255 TraceCheckSpWp]: Trace formula consists of 4627 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-09 02:59:32,036 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 02:59:32,091 INFO L134 CoverageAnalysis]: Checked inductivity of 603 backedges. 70 proven. 0 refuted. 0 times theorem prover too weak. 533 trivial. 0 not checked. [2024-11-09 02:59:32,092 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 02:59:32,093 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1030470355] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 02:59:32,093 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 02:59:32,093 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 6 [2024-11-09 02:59:32,096 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1658846286] [2024-11-09 02:59:32,096 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 02:59:32,101 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 02:59:32,101 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 02:59:32,123 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 02:59:32,123 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-09 02:59:32,126 INFO L87 Difference]: Start difference. First operand has 160 states, 92 states have (on average 1.1630434782608696) internal successors, (107), 93 states have internal predecessors, (107), 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 16.0) internal successors, (48), 3 states have internal predecessors, (48), 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) [2024-11-09 02:59:32,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 02:59:32,257 INFO L93 Difference]: Finished difference Result 317 states and 454 transitions. [2024-11-09 02:59:32,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 02:59:32,260 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 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 174 [2024-11-09 02:59:32,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 02:59:32,268 INFO L225 Difference]: With dead ends: 317 [2024-11-09 02:59:32,268 INFO L226 Difference]: Without dead ends: 156 [2024-11-09 02:59:32,280 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 237 GetRequests, 233 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-09 02:59:32,283 INFO L432 NwaCegarLoop]: 208 mSDtfsCounter, 0 mSDsluCounter, 204 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 412 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 02:59:32,284 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 412 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 02:59:32,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2024-11-09 02:59:32,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 156. [2024-11-09 02:59:32,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 156 states, 89 states have (on average 1.146067415730337) internal successors, (102), 90 states have internal predecessors, (102), 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) [2024-11-09 02:59:32,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 205 transitions. [2024-11-09 02:59:32,331 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 205 transitions. Word has length 174 [2024-11-09 02:59:32,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 02:59:32,333 INFO L471 AbstractCegarLoop]: Abstraction has 156 states and 205 transitions. [2024-11-09 02:59:32,333 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 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) [2024-11-09 02:59:32,333 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 205 transitions. [2024-11-09 02:59:32,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2024-11-09 02:59:32,336 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 02:59:32,336 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, 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] [2024-11-09 02:59:32,360 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-09 02:59:32,537 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-09 02:59:32,538 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 02:59:32,538 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 02:59:32,538 INFO L85 PathProgramCache]: Analyzing trace with hash 1876441160, now seen corresponding path program 1 times [2024-11-09 02:59:32,538 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 02:59:32,538 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [401020645] [2024-11-09 02:59:32,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 02:59:32,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 02:59:36,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:59:37,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 02:59:37,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:59:37,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 02:59:37,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:59:38,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 02:59:38,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:59:38,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 02:59:38,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:59:38,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-09 02:59:38,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:59:38,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-09 02:59:38,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:59:38,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-09 02:59:38,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:59:38,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-09 02:59:38,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:59:38,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-09 02:59:38,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:59:38,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-09 02:59:38,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:59:38,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 02:59:38,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:59:38,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-09 02:59:38,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:59:38,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-09 02:59:38,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:59:38,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-09 02:59:38,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:59:38,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-09 02:59:38,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:59:38,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-09 02:59:38,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:59:38,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-09 02:59:38,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:59:38,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-09 02:59:38,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:59:38,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-09 02:59:38,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:59:38,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-09 02:59:38,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:59:38,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-09 02:59:38,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:59:38,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-09 02:59:38,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:59:38,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-09 02:59:38,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:59:38,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-09 02:59:38,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:59:38,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-09 02:59:38,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:59:38,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-09 02:59:38,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:59:38,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-09 02:59:38,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:59:38,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-09 02:59:38,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:59:38,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-09 02:59:38,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:59:39,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-09 02:59:39,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:59:39,090 INFO L134 CoverageAnalysis]: Checked inductivity of 603 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 591 trivial. 0 not checked. [2024-11-09 02:59:39,090 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 02:59:39,090 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [401020645] [2024-11-09 02:59:39,091 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [401020645] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 02:59:39,091 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1525297208] [2024-11-09 02:59:39,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 02:59:39,091 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 02:59:39,091 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 02:59:39,095 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 02:59:39,096 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-09 02:59:44,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:59:44,425 INFO L255 TraceCheckSpWp]: Trace formula consists of 4633 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 02:59:44,432 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 02:59:45,421 INFO L134 CoverageAnalysis]: Checked inductivity of 603 backedges. 151 proven. 0 refuted. 0 times theorem prover too weak. 452 trivial. 0 not checked. [2024-11-09 02:59:45,421 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 02:59:45,421 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1525297208] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 02:59:45,422 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 02:59:45,422 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [8] total 12 [2024-11-09 02:59:45,422 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1570741876] [2024-11-09 02:59:45,422 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 02:59:45,423 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 02:59:45,423 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 02:59:45,424 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 02:59:45,424 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-09 02:59:45,424 INFO L87 Difference]: Start difference. First operand 156 states and 205 transitions. Second operand has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 6 states have internal predecessors, (56), 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) [2024-11-09 02:59:48,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 02:59:48,840 INFO L93 Difference]: Finished difference Result 307 states and 408 transitions. [2024-11-09 02:59:48,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 02:59:48,842 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 6 states have internal predecessors, (56), 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 174 [2024-11-09 02:59:48,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 02:59:48,850 INFO L225 Difference]: With dead ends: 307 [2024-11-09 02:59:48,850 INFO L226 Difference]: Without dead ends: 158 [2024-11-09 02:59:48,852 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 240 GetRequests, 227 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=37, Invalid=173, Unknown=0, NotChecked=0, Total=210 [2024-11-09 02:59:48,853 INFO L432 NwaCegarLoop]: 153 mSDtfsCounter, 198 mSDsluCounter, 422 mSDsCounter, 0 mSdLazyCounter, 172 mSolverCounterSat, 81 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 198 SdHoareTripleChecker+Valid, 575 SdHoareTripleChecker+Invalid, 253 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 81 IncrementalHoareTripleChecker+Valid, 172 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2024-11-09 02:59:48,853 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [198 Valid, 575 Invalid, 253 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [81 Valid, 172 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2024-11-09 02:59:48,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2024-11-09 02:59:48,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 158. [2024-11-09 02:59:48,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 158 states, 90 states have (on average 1.1444444444444444) internal successors, (103), 92 states have internal predecessors, (103), 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) [2024-11-09 02:59:48,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 212 transitions. [2024-11-09 02:59:48,876 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 212 transitions. Word has length 174 [2024-11-09 02:59:48,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 02:59:48,877 INFO L471 AbstractCegarLoop]: Abstraction has 158 states and 212 transitions. [2024-11-09 02:59:48,877 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 6 states have internal predecessors, (56), 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) [2024-11-09 02:59:48,877 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 212 transitions. [2024-11-09 02:59:48,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2024-11-09 02:59:48,880 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 02:59:48,880 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, 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, 1, 1, 1] [2024-11-09 02:59:48,906 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-09 02:59:49,080 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2024-11-09 02:59:49,081 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 02:59:49,082 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 02:59:49,082 INFO L85 PathProgramCache]: Analyzing trace with hash 1033136662, now seen corresponding path program 1 times [2024-11-09 02:59:49,082 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 02:59:49,082 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [93927823] [2024-11-09 02:59:49,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 02:59:49,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 02:59:53,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:59:53,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 02:59:53,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:59:53,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 02:59:53,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:59:54,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 02:59:54,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:59:54,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 02:59:54,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:59:54,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-09 02:59:54,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:59:54,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-09 02:59:54,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:59:54,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 02:59:54,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:59:54,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 02:59:54,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:59:54,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-09 02:59:54,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:59:54,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-09 02:59:54,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:59:54,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-09 02:59:54,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:59:54,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-09 02:59:54,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:59:54,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 02:59:54,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:59:54,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-09 02:59:54,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:59:54,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-09 02:59:54,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:59:55,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-09 02:59:55,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:59:55,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-09 02:59:55,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:59:55,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-09 02:59:55,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:59:55,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-09 02:59:55,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:59:55,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-09 02:59:55,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:59:55,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-09 02:59:55,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:59:55,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-09 02:59:55,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:59:55,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-09 02:59:55,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:59:55,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-09 02:59:55,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:59:55,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-09 02:59:55,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:59:55,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-09 02:59:55,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:59:55,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-09 02:59:55,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:59:55,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-09 02:59:55,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:59:55,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-09 02:59:55,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:59:55,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-09 02:59:55,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:59:55,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-11-09 02:59:55,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:59:55,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-11-09 02:59:55,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:59:55,593 INFO L134 CoverageAnalysis]: Checked inductivity of 603 backedges. 3 proven. 9 refuted. 0 times theorem prover too weak. 591 trivial. 0 not checked. [2024-11-09 02:59:55,593 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 02:59:55,594 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [93927823] [2024-11-09 02:59:55,594 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [93927823] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 02:59:55,595 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1686056909] [2024-11-09 02:59:55,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 02:59:55,595 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 02:59:55,595 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 02:59:55,597 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 02:59:55,598 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-09 03:00:00,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:00:00,390 INFO L255 TraceCheckSpWp]: Trace formula consists of 4760 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 03:00:00,397 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 03:00:01,717 INFO L134 CoverageAnalysis]: Checked inductivity of 603 backedges. 267 proven. 0 refuted. 0 times theorem prover too weak. 336 trivial. 0 not checked. [2024-11-09 03:00:01,717 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 03:00:01,717 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1686056909] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 03:00:01,717 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 03:00:01,717 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [9] total 13 [2024-11-09 03:00:01,718 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1949537315] [2024-11-09 03:00:01,718 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 03:00:01,718 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 03:00:01,718 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 03:00:01,719 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 03:00:01,719 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-11-09 03:00:01,720 INFO L87 Difference]: Start difference. First operand 158 states and 212 transitions. Second operand has 6 states, 6 states have (on average 10.0) internal successors, (60), 6 states have internal predecessors, (60), 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) [2024-11-09 03:00:06,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 03:00:06,680 INFO L93 Difference]: Finished difference Result 271 states and 365 transitions. [2024-11-09 03:00:06,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 03:00:06,681 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 6 states have internal predecessors, (60), 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 189 [2024-11-09 03:00:06,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 03:00:06,683 INFO L225 Difference]: With dead ends: 271 [2024-11-09 03:00:06,683 INFO L226 Difference]: Without dead ends: 158 [2024-11-09 03:00:06,683 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 261 GetRequests, 247 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=40, Invalid=200, Unknown=0, NotChecked=0, Total=240 [2024-11-09 03:00:06,684 INFO L432 NwaCegarLoop]: 153 mSDtfsCounter, 196 mSDsluCounter, 422 mSDsCounter, 0 mSdLazyCounter, 172 mSolverCounterSat, 72 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 196 SdHoareTripleChecker+Valid, 575 SdHoareTripleChecker+Invalid, 244 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 72 IncrementalHoareTripleChecker+Valid, 172 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2024-11-09 03:00:06,684 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [196 Valid, 575 Invalid, 244 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [72 Valid, 172 Invalid, 0 Unknown, 0 Unchecked, 4.4s Time] [2024-11-09 03:00:06,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2024-11-09 03:00:06,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 158. [2024-11-09 03:00:06,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 158 states, 90 states have (on average 1.1444444444444444) internal successors, (103), 92 states have internal predecessors, (103), 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) [2024-11-09 03:00:06,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 210 transitions. [2024-11-09 03:00:06,707 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 210 transitions. Word has length 189 [2024-11-09 03:00:06,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 03:00:06,710 INFO L471 AbstractCegarLoop]: Abstraction has 158 states and 210 transitions. [2024-11-09 03:00:06,710 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 6 states have internal predecessors, (60), 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) [2024-11-09 03:00:06,710 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 210 transitions. [2024-11-09 03:00:06,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2024-11-09 03:00:06,712 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 03:00:06,712 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, 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] [2024-11-09 03:00:06,740 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-09 03:00:06,913 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 03:00:06,914 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 03:00:06,914 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 03:00:06,914 INFO L85 PathProgramCache]: Analyzing trace with hash -765566814, now seen corresponding path program 2 times [2024-11-09 03:00:06,914 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 03:00:06,915 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [435449381] [2024-11-09 03:00:06,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 03:00:06,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 03:00:10,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:00:12,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 03:00:12,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:00:12,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 03:00:12,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:00:12,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 03:00:12,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:00:12,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 03:00:12,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:00:12,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-09 03:00:12,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:00:12,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-09 03:00:12,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:00:12,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 03:00:12,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:00:12,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 03:00:12,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:00:12,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-09 03:00:12,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:00:12,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-09 03:00:12,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:00:13,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-09 03:00:13,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:00:13,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-09 03:00:13,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:00:13,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 03:00:13,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:00:13,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-09 03:00:13,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:00:13,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-09 03:00:13,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:00:13,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 03:00:13,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:00:13,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 03:00:13,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:00:13,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-09 03:00:13,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:00:13,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-09 03:00:13,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:00:13,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-09 03:00:13,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:00:13,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-09 03:00:13,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:00:13,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-09 03:00:13,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:00:13,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-09 03:00:13,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:00:13,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-09 03:00:13,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:00:13,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-09 03:00:13,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:00:13,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-09 03:00:13,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:00:13,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-09 03:00:13,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:00:13,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-09 03:00:13,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:00:13,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-09 03:00:13,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:00:13,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-09 03:00:13,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:00:13,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-11-09 03:00:13,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:00:13,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-11-09 03:00:13,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:00:13,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-11-09 03:00:13,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:00:13,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-11-09 03:00:13,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:00:13,862 INFO L134 CoverageAnalysis]: Checked inductivity of 618 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 606 trivial. 0 not checked. [2024-11-09 03:00:13,862 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 03:00:13,862 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [435449381] [2024-11-09 03:00:13,862 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [435449381] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 03:00:13,862 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1248797516] [2024-11-09 03:00:13,862 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-09 03:00:13,863 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 03:00:13,863 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 03:00:13,864 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 03:00:13,865 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process