./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_top_harness_negated.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version fca748b1 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_top_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 cddb8be3317e9d6bf2e67633b62d21b872e62a4205c204f682a628045c0c7f11 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dd.update-z3-fca748b-m [2024-11-20 10:14:51,345 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-20 10:14:51,417 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-20 10:14:51,422 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-20 10:14:51,422 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-20 10:14:51,443 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-20 10:14:51,444 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-20 10:14:51,445 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-20 10:14:51,445 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-20 10:14:51,446 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-20 10:14:51,447 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-20 10:14:51,448 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-20 10:14:51,448 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-20 10:14:51,450 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-20 10:14:51,450 INFO L153 SettingsManager]: * Use SBE=true [2024-11-20 10:14:51,450 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-20 10:14:51,451 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-20 10:14:51,451 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-20 10:14:51,454 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-20 10:14:51,455 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-20 10:14:51,455 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-20 10:14:51,455 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-20 10:14:51,456 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-20 10:14:51,456 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-20 10:14:51,456 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-20 10:14:51,456 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-20 10:14:51,457 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-20 10:14:51,457 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-20 10:14:51,457 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-20 10:14:51,457 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 10:14:51,457 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-20 10:14:51,457 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-20 10:14:51,458 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-20 10:14:51,458 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-20 10:14:51,458 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-20 10:14:51,458 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-20 10:14:51,458 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-20 10:14:51,459 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-20 10:14:51,459 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-20 10:14:51,459 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cddb8be3317e9d6bf2e67633b62d21b872e62a4205c204f682a628045c0c7f11 [2024-11-20 10:14:51,709 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-20 10:14:51,740 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-20 10:14:51,742 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-20 10:14:51,744 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-20 10:14:51,745 INFO L274 PluginConnector]: CDTParser initialized [2024-11-20 10:14:51,746 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_top_harness_negated.i [2024-11-20 10:14:53,229 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-20 10:14:53,684 INFO L384 CDTParser]: Found 1 translation units. [2024-11-20 10:14:53,686 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_top_harness_negated.i [2024-11-20 10:14:53,765 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3ee34276e/c08ee504237b4de18e5602a7ec66e0af/FLAG375de90cb [2024-11-20 10:14:53,797 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3ee34276e/c08ee504237b4de18e5602a7ec66e0af [2024-11-20 10:14:53,801 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-20 10:14:53,803 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-20 10:14:53,805 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-20 10:14:53,805 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-20 10:14:53,811 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-20 10:14:53,812 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:14:53" (1/1) ... [2024-11-20 10:14:53,813 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6295c1fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:14:53, skipping insertion in model container [2024-11-20 10:14:53,813 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:14:53" (1/1) ... [2024-11-20 10:14:53,936 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-20 10:14:54,221 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_priority_queue_top_harness_negated.i[4496,4509] [2024-11-20 10:14:54,229 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_priority_queue_top_harness_negated.i[4556,4569] [2024-11-20 10:14:54,862 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:14:54,863 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:14:54,864 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:14:54,865 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:14:54,866 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:14:54,879 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:14:54,880 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:14:54,882 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:14:54,882 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:14:55,283 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:14:55,284 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:14:55,352 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 10:14:55,401 INFO L200 MainTranslator]: Completed pre-run [2024-11-20 10:14:55,416 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_priority_queue_top_harness_negated.i[4496,4509] [2024-11-20 10:14:55,420 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_priority_queue_top_harness_negated.i[4556,4569] [2024-11-20 10:14:55,477 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:14:55,478 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:14:55,478 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:14:55,479 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:14:55,479 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:14:55,484 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:14:55,485 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:14:55,486 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:14:55,486 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:14:55,571 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:14:55,571 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:14:55,581 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7671-7682] [2024-11-20 10:14:55,614 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 10:14:55,876 INFO L204 MainTranslator]: Completed translation [2024-11-20 10:14:55,876 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:14:55 WrapperNode [2024-11-20 10:14:55,876 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-20 10:14:55,877 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-20 10:14:55,878 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-20 10:14:55,878 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-20 10:14:55,884 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:14:55" (1/1) ... [2024-11-20 10:14:55,961 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:14:55" (1/1) ... [2024-11-20 10:14:56,036 INFO L138 Inliner]: procedures = 678, calls = 1548, calls flagged for inlining = 54, calls inlined = 10, statements flattened = 727 [2024-11-20 10:14:56,036 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-20 10:14:56,037 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-20 10:14:56,037 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-20 10:14:56,037 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-20 10:14:56,055 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:14:55" (1/1) ... [2024-11-20 10:14:56,056 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:14:55" (1/1) ... [2024-11-20 10:14:56,073 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:14:55" (1/1) ... [2024-11-20 10:14:56,168 INFO L175 MemorySlicer]: Split 340 memory accesses to 7 slices as follows [6, 238, 2, 3, 82, 2, 7]. 70 percent of accesses are in the largest equivalence class. The 25 initializations are split as follows [0, 6, 2, 1, 10, 1, 5]. The 253 writes are split as follows [2, 232, 0, 1, 17, 1, 0]. [2024-11-20 10:14:56,172 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:14:55" (1/1) ... [2024-11-20 10:14:56,173 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:14:55" (1/1) ... [2024-11-20 10:14:56,219 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:14:55" (1/1) ... [2024-11-20 10:14:56,231 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:14:55" (1/1) ... [2024-11-20 10:14:56,244 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:14:55" (1/1) ... [2024-11-20 10:14:56,249 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:14:55" (1/1) ... [2024-11-20 10:14:56,267 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-20 10:14:56,272 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-20 10:14:56,272 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-20 10:14:56,272 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-20 10:14:56,273 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:14:55" (1/1) ... [2024-11-20 10:14:56,280 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 10:14:56,290 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 10:14:56,309 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) [2024-11-20 10:14:56,315 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 [2024-11-20 10:14:56,356 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_mem_zeroed [2024-11-20 10:14:56,356 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_mem_zeroed [2024-11-20 10:14:56,356 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-20 10:14:56,357 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2024-11-20 10:14:56,357 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2024-11-20 10:14:56,357 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2024-11-20 10:14:56,358 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2024-11-20 10:14:56,358 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-20 10:14:56,358 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-20 10:14:56,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-20 10:14:56,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-20 10:14:56,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-20 10:14:56,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-20 10:14:56,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-20 10:14:56,361 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-20 10:14:56,361 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-20 10:14:56,361 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-20 10:14:56,361 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-20 10:14:56,361 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-20 10:14:56,361 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-20 10:14:56,361 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-20 10:14:56,362 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-20 10:14:56,362 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-20 10:14:56,362 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-11-20 10:14:56,362 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-11-20 10:14:56,362 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-20 10:14:56,362 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-20 10:14:56,362 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-20 10:14:56,362 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-20 10:14:56,362 INFO L130 BoogieDeclarations]: Found specification of procedure save_byte_from_array [2024-11-20 10:14:56,362 INFO L138 BoogieDeclarations]: Found implementation of procedure save_byte_from_array [2024-11-20 10:14:56,362 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-20 10:14:56,362 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-20 10:14:56,362 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-20 10:14:56,362 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-20 10:14:56,363 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-20 10:14:56,363 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-20 10:14:56,363 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-20 10:14:56,363 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-20 10:14:56,363 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-20 10:14:56,363 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-20 10:14:56,363 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-20 10:14:56,363 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2024-11-20 10:14:56,364 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2024-11-20 10:14:56,364 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2024-11-20 10:14:56,364 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2024-11-20 10:14:56,364 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2024-11-20 10:14:56,364 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2024-11-20 10:14:56,365 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-20 10:14:56,365 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-20 10:14:56,365 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-20 10:14:56,365 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-20 10:14:56,365 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-20 10:14:56,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-20 10:14:56,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-20 10:14:56,366 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_is_valid [2024-11-20 10:14:56,366 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_is_valid [2024-11-20 10:14:56,366 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_length [2024-11-20 10:14:56,366 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_length [2024-11-20 10:14:56,366 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-20 10:14:56,366 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-20 10:14:56,367 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-20 10:14:56,367 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-20 10:14:56,367 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-20 10:14:56,367 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-20 10:14:56,367 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-20 10:14:56,368 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-20 10:14:56,368 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-20 10:14:56,368 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-20 10:14:56,368 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-20 10:14:56,368 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-20 10:14:56,368 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-20 10:14:56,368 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-20 10:14:56,369 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-20 10:14:56,369 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-20 10:14:56,369 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-20 10:14:56,370 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-20 10:14:56,370 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-20 10:14:56,370 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2024-11-20 10:14:56,370 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2024-11-20 10:14:56,370 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-20 10:14:56,370 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-20 10:14:56,370 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-20 10:14:56,370 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-20 10:14:56,371 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-20 10:14:56,371 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-20 10:14:56,371 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-20 10:14:56,371 INFO L130 BoogieDeclarations]: Found specification of procedure assert_array_list_equivalence [2024-11-20 10:14:56,371 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_array_list_equivalence [2024-11-20 10:14:56,371 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2024-11-20 10:14:56,371 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2024-11-20 10:14:56,371 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-20 10:14:56,371 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-20 10:14:56,371 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-20 10:14:56,371 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-20 10:14:56,371 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-20 10:14:56,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-20 10:14:56,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-20 10:14:56,776 INFO L238 CfgBuilder]: Building ICFG [2024-11-20 10:14:56,778 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-20 10:15:02,625 INFO L? ?]: Removed 160 outVars from TransFormulas that were not future-live. [2024-11-20 10:15:02,626 INFO L287 CfgBuilder]: Performing block encoding [2024-11-20 10:15:02,646 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-20 10:15:02,648 INFO L316 CfgBuilder]: Removed 3 assume(true) statements. [2024-11-20 10:15:02,648 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:15:02 BoogieIcfgContainer [2024-11-20 10:15:02,648 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-20 10:15:02,650 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-20 10:15:02,650 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-20 10:15:02,654 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-20 10:15:02,654 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 10:14:53" (1/3) ... [2024-11-20 10:15:02,655 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24e71f0c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 10:15:02, skipping insertion in model container [2024-11-20 10:15:02,655 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:14:55" (2/3) ... [2024-11-20 10:15:02,655 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24e71f0c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 10:15:02, skipping insertion in model container [2024-11-20 10:15:02,656 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:15:02" (3/3) ... [2024-11-20 10:15:02,657 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_priority_queue_top_harness_negated.i [2024-11-20 10:15:02,672 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-20 10:15:02,672 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-20 10:15:02,740 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-20 10:15:02,749 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;@4c9b2952, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-20 10:15:02,750 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-20 10:15:02,755 INFO L276 IsEmpty]: Start isEmpty. Operand has 208 states, 132 states have (on average 1.2196969696969697) internal successors, (161), 132 states have internal predecessors, (161), 57 states have call successors, (57), 18 states have call predecessors, (57), 18 states have return successors, (57), 57 states have call predecessors, (57), 57 states have call successors, (57) [2024-11-20 10:15:02,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2024-11-20 10:15:02,772 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 10:15:02,774 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 6, 6, 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, 1] [2024-11-20 10:15:02,775 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 10:15:02,782 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 10:15:02,782 INFO L85 PathProgramCache]: Analyzing trace with hash 1327475127, now seen corresponding path program 1 times [2024-11-20 10:15:02,792 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 10:15:02,792 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1181427697] [2024-11-20 10:15:02,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 10:15:02,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 10:15:08,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:15:08,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-20 10:15:08,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:15:08,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-20 10:15:08,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:15:08,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-20 10:15:08,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:15:08,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 10:15:08,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:15:08,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-20 10:15:08,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:15:08,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 10:15:08,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:15:08,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 10:15:08,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:15:08,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-20 10:15:08,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:15:08,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 10:15:08,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:15:08,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 10:15:08,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:15:08,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-20 10:15:08,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:15:08,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-20 10:15:08,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:15:08,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-20 10:15:08,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:15:08,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-20 10:15:09,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:15:09,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-20 10:15:09,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:15:09,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-20 10:15:09,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:15:09,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-20 10:15:09,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:15:09,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-20 10:15:09,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:15:09,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-20 10:15:09,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:15:09,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-20 10:15:09,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:15:09,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 10:15:09,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:15:09,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-20 10:15:09,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:15:09,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-20 10:15:09,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:15:09,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-20 10:15:09,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:15:09,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-20 10:15:09,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:15:09,653 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 152 trivial. 0 not checked. [2024-11-20 10:15:09,654 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 10:15:09,654 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1181427697] [2024-11-20 10:15:09,654 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1181427697] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 10:15:09,655 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 10:15:09,655 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-20 10:15:09,656 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2054989574] [2024-11-20 10:15:09,657 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 10:15:09,662 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-20 10:15:09,662 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 10:15:09,683 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-20 10:15:09,684 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-20 10:15:09,687 INFO L87 Difference]: Start difference. First operand has 208 states, 132 states have (on average 1.2196969696969697) internal successors, (161), 132 states have internal predecessors, (161), 57 states have call successors, (57), 18 states have call predecessors, (57), 18 states have return successors, (57), 57 states have call predecessors, (57), 57 states have call successors, (57) Second operand has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (25), 6 states have call predecessors, (25), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-20 10:15:13,785 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-20 10:15:18,174 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.39s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-20 10:15:22,568 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.39s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-20 10:15:33,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 10:15:33,239 INFO L93 Difference]: Finished difference Result 425 states and 610 transitions. [2024-11-20 10:15:33,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-20 10:15:33,242 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (25), 6 states have call predecessors, (25), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 148 [2024-11-20 10:15:33,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 10:15:33,260 INFO L225 Difference]: With dead ends: 425 [2024-11-20 10:15:33,260 INFO L226 Difference]: Without dead ends: 235 [2024-11-20 10:15:33,268 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2024-11-20 10:15:33,275 INFO L432 NwaCegarLoop]: 99 mSDtfsCounter, 333 mSDsluCounter, 118 mSDsCounter, 0 mSdLazyCounter, 530 mSolverCounterSat, 241 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 343 SdHoareTripleChecker+Valid, 217 SdHoareTripleChecker+Invalid, 774 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 241 IncrementalHoareTripleChecker+Valid, 530 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.5s IncrementalHoareTripleChecker+Time [2024-11-20 10:15:33,277 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [343 Valid, 217 Invalid, 774 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [241 Valid, 530 Invalid, 3 Unknown, 0 Unchecked, 21.5s Time] [2024-11-20 10:15:33,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 235 states. [2024-11-20 10:15:33,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 235 to 203. [2024-11-20 10:15:33,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 203 states, 127 states have (on average 1.1968503937007875) internal successors, (152), 128 states have internal predecessors, (152), 57 states have call successors, (57), 18 states have call predecessors, (57), 18 states have return successors, (56), 56 states have call predecessors, (56), 56 states have call successors, (56) [2024-11-20 10:15:33,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 265 transitions. [2024-11-20 10:15:33,354 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 265 transitions. Word has length 148 [2024-11-20 10:15:33,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 10:15:33,355 INFO L471 AbstractCegarLoop]: Abstraction has 203 states and 265 transitions. [2024-11-20 10:15:33,355 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (25), 6 states have call predecessors, (25), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-20 10:15:33,356 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 265 transitions. [2024-11-20 10:15:33,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2024-11-20 10:15:33,359 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 10:15:33,361 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 6, 6, 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, 1] [2024-11-20 10:15:33,361 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-20 10:15:33,362 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 10:15:33,362 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 10:15:33,362 INFO L85 PathProgramCache]: Analyzing trace with hash -446309067, now seen corresponding path program 1 times [2024-11-20 10:15:33,363 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 10:15:33,364 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1389665581] [2024-11-20 10:15:33,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 10:15:33,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 10:15:37,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:15:38,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-20 10:15:38,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:15:38,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-20 10:15:38,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:15:38,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-20 10:15:38,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:15:38,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 10:15:38,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:15:38,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-20 10:15:38,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:15:38,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 10:15:38,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:15:38,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 10:15:38,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:15:38,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-20 10:15:38,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:15:38,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 10:15:38,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:15:39,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 10:15:39,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:15:39,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-20 10:15:39,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:15:39,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-20 10:15:39,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:15:39,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-20 10:15:39,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:15:39,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-20 10:15:39,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:15:39,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-20 10:15:39,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:15:39,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-20 10:15:39,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:15:40,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-20 10:15:40,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:15:40,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-20 10:15:40,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:15:40,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-20 10:15:40,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:15:40,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-20 10:15:40,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:15:40,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 10:15:40,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:15:40,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-20 10:15:40,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:15:40,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-20 10:15:40,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:15:40,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-20 10:15:40,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:15:40,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-20 10:15:40,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:15:40,998 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 152 trivial. 0 not checked. [2024-11-20 10:15:40,999 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 10:15:40,999 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1389665581] [2024-11-20 10:15:40,999 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1389665581] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 10:15:40,999 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 10:15:41,000 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-20 10:15:41,000 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [186857711] [2024-11-20 10:15:41,000 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 10:15:41,001 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-20 10:15:41,003 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 10:15:41,003 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-20 10:15:41,004 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-20 10:15:41,004 INFO L87 Difference]: Start difference. First operand 203 states and 265 transitions. Second operand has 9 states, 9 states have (on average 5.777777777777778) internal successors, (52), 5 states have internal predecessors, (52), 3 states have call successors, (25), 6 states have call predecessors, (25), 2 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2024-11-20 10:15:45,079 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-20 10:15:49,483 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.40s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-20 10:15:53,871 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 [] [2024-11-20 10:16:14,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 10:16:14,715 INFO L93 Difference]: Finished difference Result 389 states and 521 transitions. [2024-11-20 10:16:14,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-20 10:16:14,715 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.777777777777778) internal successors, (52), 5 states have internal predecessors, (52), 3 states have call successors, (25), 6 states have call predecessors, (25), 2 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) Word has length 148 [2024-11-20 10:16:14,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 10:16:14,719 INFO L225 Difference]: With dead ends: 389 [2024-11-20 10:16:14,719 INFO L226 Difference]: Without dead ends: 235 [2024-11-20 10:16:14,721 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 5.8s TimeCoverageRelationStatistics Valid=68, Invalid=172, Unknown=0, NotChecked=0, Total=240 [2024-11-20 10:16:14,722 INFO L432 NwaCegarLoop]: 84 mSDtfsCounter, 378 mSDsluCounter, 191 mSDsCounter, 0 mSdLazyCounter, 1054 mSolverCounterSat, 247 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 28.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 414 SdHoareTripleChecker+Valid, 275 SdHoareTripleChecker+Invalid, 1304 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 247 IncrementalHoareTripleChecker+Valid, 1054 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 29.7s IncrementalHoareTripleChecker+Time [2024-11-20 10:16:14,723 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [414 Valid, 275 Invalid, 1304 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [247 Valid, 1054 Invalid, 3 Unknown, 0 Unchecked, 29.7s Time] [2024-11-20 10:16:14,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 235 states. [2024-11-20 10:16:14,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 235 to 203. [2024-11-20 10:16:14,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 203 states, 127 states have (on average 1.188976377952756) internal successors, (151), 128 states have internal predecessors, (151), 57 states have call successors, (57), 18 states have call predecessors, (57), 18 states have return successors, (56), 56 states have call predecessors, (56), 56 states have call successors, (56) [2024-11-20 10:16:14,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 264 transitions. [2024-11-20 10:16:14,757 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 264 transitions. Word has length 148 [2024-11-20 10:16:14,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 10:16:14,758 INFO L471 AbstractCegarLoop]: Abstraction has 203 states and 264 transitions. [2024-11-20 10:16:14,758 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.777777777777778) internal successors, (52), 5 states have internal predecessors, (52), 3 states have call successors, (25), 6 states have call predecessors, (25), 2 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2024-11-20 10:16:14,758 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 264 transitions. [2024-11-20 10:16:14,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2024-11-20 10:16:14,760 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 10:16:14,761 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 6, 6, 3, 3, 3, 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] [2024-11-20 10:16:14,761 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-20 10:16:14,761 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 10:16:14,762 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 10:16:14,762 INFO L85 PathProgramCache]: Analyzing trace with hash 1083989423, now seen corresponding path program 1 times [2024-11-20 10:16:14,762 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 10:16:14,762 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [439044951] [2024-11-20 10:16:14,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 10:16:14,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 10:16:18,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:16:19,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-20 10:16:19,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:16:19,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-20 10:16:19,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:16:19,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-20 10:16:19,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:16:19,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 10:16:19,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:16:19,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-20 10:16:19,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:16:19,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 10:16:19,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:16:19,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 10:16:19,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:16:19,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-20 10:16:19,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:16:19,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 10:16:19,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:16:20,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 10:16:20,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:16:20,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-20 10:16:20,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:16:20,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-20 10:16:20,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:16:20,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-20 10:16:20,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:16:20,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-20 10:16:20,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:16:20,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-20 10:16:20,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:16:20,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-20 10:16:20,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:16:21,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-20 10:16:21,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:16:21,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 10:16:21,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:16:22,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-20 10:16:22,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:16:22,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-20 10:16:22,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:16:22,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-20 10:16:22,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:16:22,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 10:16:22,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:16:22,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-20 10:16:22,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:16:22,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-20 10:16:22,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:16:22,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-20 10:16:22,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:16:22,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-20 10:16:22,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:16:22,690 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 154 trivial. 0 not checked. [2024-11-20 10:16:22,690 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 10:16:22,690 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [439044951] [2024-11-20 10:16:22,690 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [439044951] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 10:16:22,693 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1768527301] [2024-11-20 10:16:22,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 10:16:22,694 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 10:16:22,694 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 10:16:22,697 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) [2024-11-20 10:16:22,702 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process