./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_array_list_back_harness_negated.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3289d67d 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_back_harness_negated.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 5d9c9690ebf4d597a96d56bea07230a5398e6c36b9eab0d2fba1dbd8091088b4 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-16 19:37:49,217 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-16 19:37:49,257 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-16 19:37:49,260 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-16 19:37:49,261 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-16 19:37:49,276 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-16 19:37:49,276 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-16 19:37:49,277 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-16 19:37:49,277 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-16 19:37:49,277 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-16 19:37:49,278 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-16 19:37:49,278 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-16 19:37:49,278 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-16 19:37:49,279 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-16 19:37:49,279 INFO L153 SettingsManager]: * Use SBE=true [2024-11-16 19:37:49,279 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-16 19:37:49,279 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-16 19:37:49,280 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-16 19:37:49,280 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-16 19:37:49,280 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-16 19:37:49,280 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-16 19:37:49,284 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-16 19:37:49,284 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-16 19:37:49,284 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-16 19:37:49,284 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-16 19:37:49,284 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-16 19:37:49,285 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-16 19:37:49,285 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-16 19:37:49,285 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-16 19:37:49,285 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 19:37:49,286 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-16 19:37:49,286 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-16 19:37:49,286 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-16 19:37:49,286 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-16 19:37:49,286 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-16 19:37:49,287 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-16 19:37:49,287 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-16 19:37:49,287 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-16 19:37:49,290 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-16 19:37:49,290 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5d9c9690ebf4d597a96d56bea07230a5398e6c36b9eab0d2fba1dbd8091088b4 [2024-11-16 19:37:49,481 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-16 19:37:49,504 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-16 19:37:49,507 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-16 19:37:49,509 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-16 19:37:49,509 INFO L274 PluginConnector]: CDTParser initialized [2024-11-16 19:37:49,510 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_array_list_back_harness_negated.i [2024-11-16 19:37:50,822 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-16 19:37:51,157 INFO L384 CDTParser]: Found 1 translation units. [2024-11-16 19:37:51,159 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_array_list_back_harness_negated.i [2024-11-16 19:37:51,194 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0b58fd44a/d43e0f5174794c539639b18328963102/FLAG37d6f54ed [2024-11-16 19:37:51,386 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0b58fd44a/d43e0f5174794c539639b18328963102 [2024-11-16 19:37:51,388 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-16 19:37:51,389 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-16 19:37:51,390 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-16 19:37:51,390 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-16 19:37:51,397 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-16 19:37:51,397 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 07:37:51" (1/1) ... [2024-11-16 19:37:51,398 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11f3486b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:37:51, skipping insertion in model container [2024-11-16 19:37:51,398 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 07:37:51" (1/1) ... [2024-11-16 19:37:51,484 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-16 19:37:51,671 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_back_harness_negated.i[4493,4506] [2024-11-16 19:37:51,676 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_back_harness_negated.i[4553,4566] [2024-11-16 19:37:52,187 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:37:52,188 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:37:52,189 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:37:52,189 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:37:52,190 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:37:52,200 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:37:52,200 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:37:52,201 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:37:52,201 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:37:52,202 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:37:52,203 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:37:52,203 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:37:52,204 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:37:52,505 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:37:52,511 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:37:52,551 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 19:37:52,581 INFO L200 MainTranslator]: Completed pre-run [2024-11-16 19:37:52,591 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_back_harness_negated.i[4493,4506] [2024-11-16 19:37:52,594 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_back_harness_negated.i[4553,4566] [2024-11-16 19:37:52,649 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:37:52,651 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:37:52,651 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:37:52,651 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:37:52,652 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:37:52,659 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:37:52,659 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:37:52,660 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:37:52,661 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:37:52,661 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:37:52,662 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:37:52,662 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:37:52,662 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:37:52,717 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:37:52,721 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:37:52,725 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7737-7748] [2024-11-16 19:37:52,739 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 19:37:53,046 INFO L204 MainTranslator]: Completed translation [2024-11-16 19:37:53,046 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:37:53 WrapperNode [2024-11-16 19:37:53,046 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-16 19:37:53,047 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-16 19:37:53,047 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-16 19:37:53,047 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-16 19:37:53,061 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:37:53" (1/1) ... [2024-11-16 19:37:53,156 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:37:53" (1/1) ... [2024-11-16 19:37:53,211 INFO L138 Inliner]: procedures = 680, calls = 1678, calls flagged for inlining = 52, calls inlined = 8, statements flattened = 656 [2024-11-16 19:37:53,211 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-16 19:37:53,212 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-16 19:37:53,212 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-16 19:37:53,212 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-16 19:37:53,229 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:37:53" (1/1) ... [2024-11-16 19:37:53,230 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:37:53" (1/1) ... [2024-11-16 19:37:53,239 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:37:53" (1/1) ... [2024-11-16 19:37:53,301 INFO L175 MemorySlicer]: Split 313 memory accesses to 6 slices as follows [238, 2, 6, 9, 55, 3]. 76 percent of accesses are in the largest equivalence class. The 24 initializations are split as follows [6, 2, 0, 5, 10, 1]. The 239 writes are split as follows [232, 0, 2, 1, 3, 1]. [2024-11-16 19:37:53,304 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:37:53" (1/1) ... [2024-11-16 19:37:53,304 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:37:53" (1/1) ... [2024-11-16 19:37:53,336 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:37:53" (1/1) ... [2024-11-16 19:37:53,338 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:37:53" (1/1) ... [2024-11-16 19:37:53,347 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:37:53" (1/1) ... [2024-11-16 19:37:53,352 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:37:53" (1/1) ... [2024-11-16 19:37:53,359 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-16 19:37:53,363 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-16 19:37:53,363 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-16 19:37:53,363 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-16 19:37:53,363 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:37:53" (1/1) ... [2024-11-16 19:37:53,368 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 19:37:53,378 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 19:37:53,391 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) [2024-11-16 19:37:53,394 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 [2024-11-16 19:37:53,425 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-16 19:37:53,426 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2024-11-16 19:37:53,426 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2024-11-16 19:37:53,426 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2024-11-16 19:37:53,426 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2024-11-16 19:37:53,426 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-16 19:37:53,426 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-16 19:37:53,426 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-16 19:37:53,426 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-16 19:37:53,426 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-16 19:37:53,426 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-16 19:37:53,427 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-16 19:37:53,427 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-16 19:37:53,427 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-16 19:37:53,427 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-16 19:37:53,427 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-16 19:37:53,427 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-16 19:37:53,428 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-16 19:37:53,428 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-16 19:37:53,428 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-11-16 19:37:53,428 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-11-16 19:37:53,428 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-16 19:37:53,428 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-16 19:37:53,428 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-16 19:37:53,428 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-16 19:37:53,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-16 19:37:53,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-16 19:37:53,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-16 19:37:53,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-16 19:37:53,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-16 19:37:53,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-16 19:37:53,429 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2024-11-16 19:37:53,430 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2024-11-16 19:37:53,430 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-16 19:37:53,430 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-16 19:37:53,430 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-16 19:37:53,430 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-16 19:37:53,430 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2024-11-16 19:37:53,430 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2024-11-16 19:37:53,430 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2024-11-16 19:37:53,431 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2024-11-16 19:37:53,431 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2024-11-16 19:37:53,431 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2024-11-16 19:37:53,431 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-16 19:37:53,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-16 19:37:53,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-16 19:37:53,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-16 19:37:53,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-16 19:37:53,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-16 19:37:53,432 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2024-11-16 19:37:53,432 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2024-11-16 19:37:53,432 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_length [2024-11-16 19:37:53,433 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_length [2024-11-16 19:37:53,433 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-16 19:37:53,433 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-16 19:37:53,433 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2024-11-16 19:37:53,433 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2024-11-16 19:37:53,433 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-16 19:37:53,433 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-16 19:37:53,433 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-16 19:37:53,433 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-16 19:37:53,433 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-16 19:37:53,433 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-16 19:37:53,433 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-16 19:37:53,434 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-16 19:37:53,434 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-16 19:37:53,435 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-16 19:37:53,435 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-16 19:37:53,435 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-16 19:37:53,435 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-16 19:37:53,435 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-16 19:37:53,435 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-16 19:37:53,435 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2024-11-16 19:37:53,436 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2024-11-16 19:37:53,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-16 19:37:53,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-16 19:37:53,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-16 19:37:53,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-16 19:37:53,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-16 19:37:53,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-16 19:37:53,436 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2024-11-16 19:37:53,436 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2024-11-16 19:37:53,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-16 19:37:53,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-16 19:37:53,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-16 19:37:53,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-16 19:37:53,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-16 19:37:53,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-16 19:37:53,709 INFO L256 CfgBuilder]: Building ICFG [2024-11-16 19:37:53,711 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-16 19:37:53,745 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2782: havoc #t~malloc77.base, #t~malloc77.offset; [2024-11-16 19:37:53,770 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: havoc #t~nondet6; [2024-11-16 19:37:53,786 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2588: havoc #t~ret57#1; [2024-11-16 19:37:53,811 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2796: havoc #t~ret81;havoc #t~ite83.base, #t~ite83.offset;havoc #t~ret82.base, #t~ret82.offset; [2024-11-16 19:37:53,912 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L3268: call ULTIMATE.dealloc(~#required_size~0.base, ~#required_size~0.offset);havoc ~#required_size~0.base, ~#required_size~0.offset; [2024-11-16 19:37:53,919 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2024-11-16 19:37:53,933 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L7358: havoc #t~ret683.base, #t~ret683.offset; [2024-11-16 19:37:59,007 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L3417: havoc aws_array_list_back_~last_item_offset~0#1; [2024-11-16 19:37:59,007 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L3426: havoc aws_array_list_back_#t~ret217#1; [2024-11-16 19:37:59,057 INFO L? ?]: Removed 126 outVars from TransFormulas that were not future-live. [2024-11-16 19:37:59,057 INFO L307 CfgBuilder]: Performing block encoding [2024-11-16 19:37:59,071 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-16 19:37:59,071 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-16 19:37:59,071 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 07:37:59 BoogieIcfgContainer [2024-11-16 19:37:59,071 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-16 19:37:59,072 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-16 19:37:59,072 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-16 19:37:59,079 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-16 19:37:59,079 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 07:37:51" (1/3) ... [2024-11-16 19:37:59,079 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b01568b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 07:37:59, skipping insertion in model container [2024-11-16 19:37:59,079 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:37:53" (2/3) ... [2024-11-16 19:37:59,080 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b01568b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 07:37:59, skipping insertion in model container [2024-11-16 19:37:59,080 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 07:37:59" (3/3) ... [2024-11-16 19:37:59,081 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_array_list_back_harness_negated.i [2024-11-16 19:37:59,102 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-16 19:37:59,106 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-16 19:37:59,160 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-16 19:37:59,170 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;@1722fc4c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 19:37:59,172 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-16 19:37:59,177 INFO L276 IsEmpty]: Start isEmpty. Operand has 187 states, 113 states have (on average 1.2035398230088497) internal successors, (136), 114 states have internal predecessors, (136), 55 states have call successors, (55), 17 states have call predecessors, (55), 17 states have return successors, (55), 55 states have call predecessors, (55), 55 states have call successors, (55) [2024-11-16 19:37:59,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2024-11-16 19:37:59,190 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 19:37:59,191 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 19:37:59,192 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 19:37:59,197 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 19:37:59,197 INFO L85 PathProgramCache]: Analyzing trace with hash 1867376745, now seen corresponding path program 1 times [2024-11-16 19:37:59,205 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 19:37:59,208 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2066968089] [2024-11-16 19:37:59,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 19:37:59,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 19:38:04,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:38:04,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-16 19:38:04,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:38:04,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 19:38:04,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:38:04,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 19:38:04,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:38:04,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-16 19:38:04,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:38:04,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-16 19:38:04,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:38:04,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-16 19:38:04,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:38:04,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-16 19:38:04,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:38:04,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-16 19:38:04,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:38:04,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-16 19:38:04,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:38:04,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-16 19:38:04,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:38:04,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 19:38:04,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:38:04,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-16 19:38:04,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:38:04,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-16 19:38:04,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:38:05,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-16 19:38:05,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:38:05,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-16 19:38:05,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:38:05,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-16 19:38:05,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:38:05,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 19:38:05,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:38:05,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-16 19:38:05,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:38:05,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-16 19:38:05,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:38:05,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-16 19:38:05,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:38:05,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-16 19:38:05,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:38:05,060 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-16 19:38:05,063 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 19:38:05,063 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2066968089] [2024-11-16 19:38:05,063 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2066968089] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 19:38:05,064 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 19:38:05,064 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 19:38:05,065 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1760315749] [2024-11-16 19:38:05,065 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 19:38:05,068 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-16 19:38:05,069 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 19:38:05,087 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-16 19:38:05,088 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-16 19:38:05,090 INFO L87 Difference]: Start difference. First operand has 187 states, 113 states have (on average 1.2035398230088497) internal successors, (136), 114 states have internal predecessors, (136), 55 states have call successors, (55), 17 states have call predecessors, (55), 17 states have return successors, (55), 55 states have call predecessors, (55), 55 states have call successors, (55) Second operand has 5 states, 5 states have (on average 9.2) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (23), 5 states have call predecessors, (23), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-16 19:38:09,159 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-16 19:38:13,547 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.39s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-16 19:38:17,922 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.37s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-16 19:38:23,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 19:38:23,940 INFO L93 Difference]: Finished difference Result 388 states and 557 transitions. [2024-11-16 19:38:23,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-16 19:38:23,942 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (23), 5 states have call predecessors, (23), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 129 [2024-11-16 19:38:23,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 19:38:23,950 INFO L225 Difference]: With dead ends: 388 [2024-11-16 19:38:23,950 INFO L226 Difference]: Without dead ends: 199 [2024-11-16 19:38:23,953 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2024-11-16 19:38:23,955 INFO L432 NwaCegarLoop]: 141 mSDtfsCounter, 129 mSDsluCounter, 156 mSDsCounter, 0 mSdLazyCounter, 314 mSolverCounterSat, 148 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 129 SdHoareTripleChecker+Valid, 297 SdHoareTripleChecker+Invalid, 465 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 148 IncrementalHoareTripleChecker+Valid, 314 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.2s IncrementalHoareTripleChecker+Time [2024-11-16 19:38:23,956 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [129 Valid, 297 Invalid, 465 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [148 Valid, 314 Invalid, 3 Unknown, 0 Unchecked, 18.2s Time] [2024-11-16 19:38:23,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 199 states. [2024-11-16 19:38:23,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 199 to 177. [2024-11-16 19:38:23,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 177 states, 105 states have (on average 1.161904761904762) internal successors, (122), 106 states have internal predecessors, (122), 55 states have call successors, (55), 17 states have call predecessors, (55), 16 states have return successors, (53), 53 states have call predecessors, (53), 53 states have call successors, (53) [2024-11-16 19:38:24,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 230 transitions. [2024-11-16 19:38:24,006 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 230 transitions. Word has length 129 [2024-11-16 19:38:24,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 19:38:24,006 INFO L471 AbstractCegarLoop]: Abstraction has 177 states and 230 transitions. [2024-11-16 19:38:24,006 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (23), 5 states have call predecessors, (23), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-16 19:38:24,006 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 230 transitions. [2024-11-16 19:38:24,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2024-11-16 19:38:24,009 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 19:38:24,010 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 19:38:24,010 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-16 19:38:24,011 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 19:38:24,011 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 19:38:24,011 INFO L85 PathProgramCache]: Analyzing trace with hash 1896891755, now seen corresponding path program 1 times [2024-11-16 19:38:24,011 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 19:38:24,011 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [674923940] [2024-11-16 19:38:24,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 19:38:24,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 19:38:28,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:38:28,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-16 19:38:28,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:38:28,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 19:38:28,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:38:29,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 19:38:29,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:38:29,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-16 19:38:29,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:38:29,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-16 19:38:29,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:38:29,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-16 19:38:29,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:38:29,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-16 19:38:29,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:38:29,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-16 19:38:29,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:38:29,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-16 19:38:29,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:38:29,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-16 19:38:29,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:38:29,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 19:38:29,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:38:30,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-16 19:38:30,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:38:30,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-16 19:38:30,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:38:30,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-16 19:38:30,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:38:30,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-16 19:38:30,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:38:30,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-16 19:38:30,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:38:30,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 19:38:30,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:38:30,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-16 19:38:30,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:38:30,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-16 19:38:30,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:38:30,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-16 19:38:30,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:38:30,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-16 19:38:30,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:38:30,046 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2024-11-16 19:38:30,046 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 19:38:30,046 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [674923940] [2024-11-16 19:38:30,047 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [674923940] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-16 19:38:30,047 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [174929797] [2024-11-16 19:38:30,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 19:38:30,047 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 19:38:30,047 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 19:38:30,052 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) [2024-11-16 19:38:30,053 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-16 19:38:34,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:38:34,659 INFO L255 TraceCheckSpWp]: Trace formula consists of 4267 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-16 19:38:34,672 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 19:38:35,871 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 140 trivial. 0 not checked. [2024-11-16 19:38:35,871 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-16 19:38:35,871 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [174929797] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 19:38:35,871 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-16 19:38:35,871 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [8] total 12 [2024-11-16 19:38:35,872 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [707476378] [2024-11-16 19:38:35,872 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 19:38:35,873 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-16 19:38:35,873 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 19:38:35,873 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-16 19:38:35,873 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2024-11-16 19:38:35,874 INFO L87 Difference]: Start difference. First operand 177 states and 230 transitions. Second operand has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 6 states have internal predecessors, (52), 3 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2024-11-16 19:38:39,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 19:38:39,224 INFO L93 Difference]: Finished difference Result 327 states and 431 transitions. [2024-11-16 19:38:39,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-16 19:38:39,225 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 6 states have internal predecessors, (52), 3 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) Word has length 129 [2024-11-16 19:38:39,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 19:38:39,227 INFO L225 Difference]: With dead ends: 327 [2024-11-16 19:38:39,227 INFO L226 Difference]: Without dead ends: 179 [2024-11-16 19:38:39,229 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 177 GetRequests, 164 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=39, Invalid=171, Unknown=0, NotChecked=0, Total=210 [2024-11-16 19:38:39,229 INFO L432 NwaCegarLoop]: 178 mSDtfsCounter, 242 mSDsluCounter, 480 mSDsCounter, 0 mSdLazyCounter, 177 mSolverCounterSat, 74 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 244 SdHoareTripleChecker+Valid, 658 SdHoareTripleChecker+Invalid, 251 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 74 IncrementalHoareTripleChecker+Valid, 177 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2024-11-16 19:38:39,230 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [244 Valid, 658 Invalid, 251 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [74 Valid, 177 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2024-11-16 19:38:39,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179 states. [2024-11-16 19:38:39,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 179. [2024-11-16 19:38:39,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 179 states, 106 states have (on average 1.1603773584905661) internal successors, (123), 108 states have internal predecessors, (123), 55 states have call successors, (55), 17 states have call predecessors, (55), 17 states have return successors, (58), 53 states have call predecessors, (58), 53 states have call successors, (58) [2024-11-16 19:38:39,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 236 transitions. [2024-11-16 19:38:39,249 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 236 transitions. Word has length 129 [2024-11-16 19:38:39,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 19:38:39,250 INFO L471 AbstractCegarLoop]: Abstraction has 179 states and 236 transitions. [2024-11-16 19:38:39,250 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 6 states have internal predecessors, (52), 3 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2024-11-16 19:38:39,250 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 236 transitions. [2024-11-16 19:38:39,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2024-11-16 19:38:39,252 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 19:38:39,258 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 5, 5, 3, 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] [2024-11-16 19:38:39,284 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-16 19:38:39,459 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 19:38:39,459 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 19:38:39,461 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 19:38:39,461 INFO L85 PathProgramCache]: Analyzing trace with hash -761922489, now seen corresponding path program 1 times [2024-11-16 19:38:39,461 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 19:38:39,461 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [393020762] [2024-11-16 19:38:39,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 19:38:39,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 19:38:43,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:38:44,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-16 19:38:44,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:38:44,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 19:38:44,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:38:45,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 19:38:45,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:38:45,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-16 19:38:45,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:38:45,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-16 19:38:45,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:38:45,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-16 19:38:45,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:38:45,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-16 19:38:45,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:38:45,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 19:38:45,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:38:45,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-16 19:38:45,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:38:45,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 19:38:45,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:38:45,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-16 19:38:45,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:38:46,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 19:38:46,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:38:46,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 19:38:46,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:38:46,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-16 19:38:46,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:38:46,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-16 19:38:46,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:38:46,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 19:38:46,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:38:46,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 19:38:46,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:38:46,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-16 19:38:46,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:38:46,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-16 19:38:46,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:38:46,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-16 19:38:46,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:38:46,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-16 19:38:46,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:38:46,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-16 19:38:46,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:38:46,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-16 19:38:46,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:38:46,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-16 19:38:46,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:38:46,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-16 19:38:46,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:38:46,750 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 223 trivial. 0 not checked. [2024-11-16 19:38:46,750 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 19:38:46,750 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [393020762] [2024-11-16 19:38:46,750 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [393020762] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-16 19:38:46,750 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1405437396] [2024-11-16 19:38:46,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 19:38:46,751 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 19:38:46,751 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 19:38:46,752 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) [2024-11-16 19:38:46,755 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-16 19:38:51,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:38:51,354 INFO L255 TraceCheckSpWp]: Trace formula consists of 4521 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-16 19:38:51,361 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 19:38:53,643 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 126 proven. 0 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2024-11-16 19:38:53,644 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-16 19:38:53,644 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1405437396] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 19:38:53,644 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-16 19:38:53,644 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [10] total 15 [2024-11-16 19:38:53,644 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [282368765] [2024-11-16 19:38:53,644 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 19:38:53,645 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-16 19:38:53,645 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 19:38:53,646 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-16 19:38:53,647 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2024-11-16 19:38:53,647 INFO L87 Difference]: Start difference. First operand 179 states and 236 transitions. Second operand has 7 states, 6 states have (on average 11.0) internal successors, (66), 7 states have internal predecessors, (66), 4 states have call successors, (25), 2 states have call predecessors, (25), 3 states have return successors, (23), 3 states have call predecessors, (23), 4 states have call successors, (23) [2024-11-16 19:38:58,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 19:38:58,082 INFO L93 Difference]: Finished difference Result 289 states and 381 transitions. [2024-11-16 19:38:58,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-16 19:38:58,083 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 11.0) internal successors, (66), 7 states have internal predecessors, (66), 4 states have call successors, (25), 2 states have call predecessors, (25), 3 states have return successors, (23), 3 states have call predecessors, (23), 4 states have call successors, (23) Word has length 159 [2024-11-16 19:38:58,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 19:38:58,086 INFO L225 Difference]: With dead ends: 289 [2024-11-16 19:38:58,086 INFO L226 Difference]: Without dead ends: 179 [2024-11-16 19:38:58,087 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 219 GetRequests, 202 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 4.0s TimeCoverageRelationStatistics Valid=55, Invalid=287, Unknown=0, NotChecked=0, Total=342 [2024-11-16 19:38:58,088 INFO L432 NwaCegarLoop]: 175 mSDtfsCounter, 245 mSDsluCounter, 640 mSDsCounter, 0 mSdLazyCounter, 227 mSolverCounterSat, 71 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 247 SdHoareTripleChecker+Valid, 815 SdHoareTripleChecker+Invalid, 298 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 71 IncrementalHoareTripleChecker+Valid, 227 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2024-11-16 19:38:58,088 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [247 Valid, 815 Invalid, 298 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [71 Valid, 227 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2024-11-16 19:38:58,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179 states. [2024-11-16 19:38:58,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 179. [2024-11-16 19:38:58,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 179 states, 106 states have (on average 1.1603773584905661) internal successors, (123), 108 states have internal predecessors, (123), 55 states have call successors, (55), 17 states have call predecessors, (55), 17 states have return successors, (55), 53 states have call predecessors, (55), 53 states have call successors, (55) [2024-11-16 19:38:58,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 233 transitions. [2024-11-16 19:38:58,108 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 233 transitions. Word has length 159 [2024-11-16 19:38:58,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 19:38:58,108 INFO L471 AbstractCegarLoop]: Abstraction has 179 states and 233 transitions. [2024-11-16 19:38:58,109 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 11.0) internal successors, (66), 7 states have internal predecessors, (66), 4 states have call successors, (25), 2 states have call predecessors, (25), 3 states have return successors, (23), 3 states have call predecessors, (23), 4 states have call successors, (23) [2024-11-16 19:38:58,109 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 233 transitions. [2024-11-16 19:38:58,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2024-11-16 19:38:58,111 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 19:38:58,111 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2024-11-16 19:38:58,142 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-16 19:38:58,315 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,SelfDestructingSolverStorable2 [2024-11-16 19:38:58,316 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 19:38:58,317 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 19:38:58,317 INFO L85 PathProgramCache]: Analyzing trace with hash -485038964, now seen corresponding path program 2 times [2024-11-16 19:38:58,317 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 19:38:58,317 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1982078966] [2024-11-16 19:38:58,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 19:38:58,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 19:39:02,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:39:03,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-16 19:39:03,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:39:03,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 19:39:03,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:39:03,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 19:39:03,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:39:03,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-16 19:39:03,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:39:03,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-16 19:39:03,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:39:04,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-16 19:39:04,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:39:04,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-16 19:39:04,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:39:04,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 19:39:04,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:39:04,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-16 19:39:04,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:39:04,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 19:39:04,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:39:04,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-16 19:39:04,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:39:04,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 19:39:04,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:39:04,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 19:39:04,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:39:04,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-16 19:39:04,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:39:04,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-16 19:39:04,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:39:04,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 19:39:04,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:39:04,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 19:39:04,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:39:04,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-16 19:39:04,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:39:04,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-16 19:39:04,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:39:04,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-16 19:39:04,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:39:04,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 19:39:04,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:39:04,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 19:39:04,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:39:04,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-16 19:39:04,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:39:04,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-16 19:39:04,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:39:04,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-16 19:39:04,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:39:05,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-16 19:39:05,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:39:05,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-16 19:39:05,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:39:05,474 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 9 proven. 3 refuted. 0 times theorem prover too weak. 253 trivial. 0 not checked. [2024-11-16 19:39:05,475 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 19:39:05,475 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1982078966] [2024-11-16 19:39:05,475 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1982078966] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-16 19:39:05,475 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [539747269] [2024-11-16 19:39:05,475 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-16 19:39:05,475 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 19:39:05,476 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 19:39:05,478 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) [2024-11-16 19:39:05,483 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process