./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_priority_queue_init_dynamic_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 023d838f 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_priority_queue_init_dynamic_harness.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 02a1ef197fe295e0adddb84ae3aa2db56396688008aeca91e1ab4b161b42690c --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 11:02:49,282 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 11:02:49,344 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-10 11:02:49,349 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 11:02:49,350 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 11:02:49,367 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 11:02:49,368 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 11:02:49,368 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 11:02:49,369 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 11:02:49,371 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 11:02:49,372 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 11:02:49,372 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 11:02:49,372 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 11:02:49,372 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 11:02:49,373 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 11:02:49,373 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 11:02:49,373 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 11:02:49,373 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 11:02:49,373 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 11:02:49,374 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 11:02:49,374 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 11:02:49,375 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 11:02:49,375 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 11:02:49,375 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 11:02:49,376 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 11:02:49,376 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 11:02:49,376 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 11:02:49,376 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 11:02:49,376 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 11:02:49,377 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 11:02:49,377 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 11:02:49,377 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 11:02:49,377 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 11:02:49,378 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 11:02:49,378 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 11:02:49,378 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 11:02:49,378 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 11:02:49,378 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 11:02:49,378 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 11:02:49,378 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 02a1ef197fe295e0adddb84ae3aa2db56396688008aeca91e1ab4b161b42690c [2024-11-10 11:02:49,565 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 11:02:49,589 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 11:02:49,591 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 11:02:49,592 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 11:02:49,593 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 11:02:49,594 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_priority_queue_init_dynamic_harness.i [2024-11-10 11:02:50,982 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 11:02:51,415 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 11:02:51,416 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_init_dynamic_harness.i [2024-11-10 11:02:51,456 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2ee2a12ab/491a947a3830457c849035471d8363ae/FLAGb156550ea [2024-11-10 11:02:51,472 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2ee2a12ab/491a947a3830457c849035471d8363ae [2024-11-10 11:02:51,476 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 11:02:51,479 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 11:02:51,480 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 11:02:51,480 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 11:02:51,485 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 11:02:51,486 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 11:02:51" (1/1) ... [2024-11-10 11:02:51,486 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62c46c4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:02:51, skipping insertion in model container [2024-11-10 11:02:51,487 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 11:02:51" (1/1) ... [2024-11-10 11:02:51,570 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 11:02:51,811 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_init_dynamic_harness.i[4505,4518] [2024-11-10 11:02:51,818 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_init_dynamic_harness.i[4565,4578] [2024-11-10 11:02:52,426 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:02:52,427 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:02:52,427 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:02:52,427 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:02:52,428 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:02:52,438 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:02:52,439 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:02:52,443 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:02:52,443 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:02:52,727 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:02:52,728 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:02:52,762 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 11:02:52,791 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 11:02:52,806 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_init_dynamic_harness.i[4505,4518] [2024-11-10 11:02:52,807 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_init_dynamic_harness.i[4565,4578] [2024-11-10 11:02:52,852 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:02:52,853 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:02:52,853 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:02:52,854 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:02:52,854 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:02:52,858 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:02:52,859 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:02:52,859 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:02:52,859 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:02:52,903 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:02:52,904 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:02:52,908 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7703-7714] [2024-11-10 11:02:52,922 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 11:02:53,146 INFO L204 MainTranslator]: Completed translation [2024-11-10 11:02:53,147 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:02:53 WrapperNode [2024-11-10 11:02:53,148 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 11:02:53,148 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 11:02:53,149 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 11:02:53,149 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 11:02:53,154 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:02:53" (1/1) ... [2024-11-10 11:02:53,215 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:02:53" (1/1) ... [2024-11-10 11:02:53,262 INFO L138 Inliner]: procedures = 678, calls = 1530, calls flagged for inlining = 52, calls inlined = 9, statements flattened = 763 [2024-11-10 11:02:53,263 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 11:02:53,263 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 11:02:53,264 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 11:02:53,264 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 11:02:53,275 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:02:53" (1/1) ... [2024-11-10 11:02:53,276 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:02:53" (1/1) ... [2024-11-10 11:02:53,282 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:02:53" (1/1) ... [2024-11-10 11:02:53,411 INFO L175 MemorySlicer]: Split 301 memory accesses to 5 slices as follows [2, 238, 48, 8, 5]. 79 percent of accesses are in the largest equivalence class. The 15 initializations are split as follows [2, 6, 0, 2, 5]. The 252 writes are split as follows [0, 232, 19, 1, 0]. [2024-11-10 11:02:53,412 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:02:53" (1/1) ... [2024-11-10 11:02:53,412 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:02:53" (1/1) ... [2024-11-10 11:02:53,436 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:02:53" (1/1) ... [2024-11-10 11:02:53,437 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:02:53" (1/1) ... [2024-11-10 11:02:53,441 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:02:53" (1/1) ... [2024-11-10 11:02:53,444 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:02:53" (1/1) ... [2024-11-10 11:02:53,450 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 11:02:53,451 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 11:02:53,451 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 11:02:53,451 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 11:02:53,452 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:02:53" (1/1) ... [2024-11-10 11:02:53,456 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 11:02:53,465 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 11:02:53,483 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) [2024-11-10 11:02:53,486 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 [2024-11-10 11:02:53,520 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_mem_zeroed [2024-11-10 11:02:53,520 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_mem_zeroed [2024-11-10 11:02:53,520 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-10 11:02:53,522 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2024-11-10 11:02:53,522 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2024-11-10 11:02:53,522 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-10 11:02:53,522 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-10 11:02:53,522 INFO L130 BoogieDeclarations]: Found specification of procedure aws_allocator_is_valid [2024-11-10 11:02:53,523 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_allocator_is_valid [2024-11-10 11:02:53,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-10 11:02:53,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-10 11:02:53,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-10 11:02:53,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-10 11:02:53,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-10 11:02:53,524 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-10 11:02:53,524 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-10 11:02:53,524 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-10 11:02:53,524 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-10 11:02:53,524 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-10 11:02:53,524 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-11-10 11:02:53,524 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-11-10 11:02:53,524 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-10 11:02:53,525 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-10 11:02:53,525 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-10 11:02:53,525 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 11:02:53,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-10 11:02:53,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-10 11:02:53,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-10 11:02:53,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-10 11:02:53,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-10 11:02:53,525 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 11:02:53,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 11:02:53,526 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-10 11:02:53,526 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-10 11:02:53,526 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2024-11-10 11:02:53,526 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2024-11-10 11:02:53,526 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2024-11-10 11:02:53,526 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2024-11-10 11:02:53,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-10 11:02:53,527 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-10 11:02:53,527 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-10 11:02:53,527 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-10 11:02:53,527 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-10 11:02:53,527 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2024-11-10 11:02:53,528 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2024-11-10 11:02:53,528 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_is_valid [2024-11-10 11:02:53,528 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_is_valid [2024-11-10 11:02:53,528 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-10 11:02:53,528 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-10 11:02:53,528 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-10 11:02:53,528 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-10 11:02:53,528 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-10 11:02:53,528 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-10 11:02:53,528 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-10 11:02:53,529 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-10 11:02:53,529 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-10 11:02:53,529 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-10 11:02:53,529 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-10 11:02:53,529 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-10 11:02:53,529 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-10 11:02:53,530 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-10 11:02:53,530 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-10 11:02:53,530 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2024-11-10 11:02:53,530 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2024-11-10 11:02:53,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-10 11:02:53,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-10 11:02:53,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-10 11:02:53,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-10 11:02:53,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-10 11:02:53,531 INFO L130 BoogieDeclarations]: Found specification of procedure memset_impl [2024-11-10 11:02:53,531 INFO L138 BoogieDeclarations]: Found implementation of procedure memset_impl [2024-11-10 11:02:53,531 INFO L130 BoogieDeclarations]: Found specification of procedure my_memset [2024-11-10 11:02:53,531 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memset [2024-11-10 11:02:53,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 11:02:53,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-10 11:02:53,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-10 11:02:53,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-10 11:02:53,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-10 11:02:53,813 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 11:02:53,815 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 11:02:53,850 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2782: havoc #t~malloc77.base, #t~malloc77.offset; [2024-11-10 11:02:53,855 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: havoc #t~nondet6; [2024-11-10 11:02:53,891 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2588: havoc #t~ret57#1; [2024-11-10 11:02:53,911 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2796: havoc #t~ret81;havoc #t~ite83.base, #t~ite83.offset;havoc #t~ret82.base, #t~ret82.offset; [2024-11-10 11:02:53,915 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L7341: havoc #t~ret656.base, #t~ret656.offset; [2024-11-10 11:02:53,978 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L7494: havoc aws_priority_queue_backpointers_valid_#t~ret686#1;havoc aws_priority_queue_backpointers_valid_#t~short687#1; [2024-11-10 11:02:54,021 INFO L1247 $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; [2024-11-10 11:02:54,024 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2024-11-10 11:02:54,028 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2821: havoc #t~ret89.base, #t~ret89.offset; [2024-11-10 11:03:00,382 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L3202: call ULTIMATE.dealloc(aws_array_list_init_dynamic_~#allocation_size~0#1.base, aws_array_list_init_dynamic_~#allocation_size~0#1.offset);havoc aws_array_list_init_dynamic_~#allocation_size~0#1.base, aws_array_list_init_dynamic_~#allocation_size~0#1.offset; [2024-11-10 11:03:00,542 INFO L? ?]: Removed 151 outVars from TransFormulas that were not future-live. [2024-11-10 11:03:00,543 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 11:03:00,572 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 11:03:00,577 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 11:03:00,577 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 11:03:00 BoogieIcfgContainer [2024-11-10 11:03:00,577 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 11:03:00,582 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 11:03:00,582 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 11:03:00,586 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 11:03:00,591 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 11:02:51" (1/3) ... [2024-11-10 11:03:00,592 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a031860 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 11:03:00, skipping insertion in model container [2024-11-10 11:03:00,592 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:02:53" (2/3) ... [2024-11-10 11:03:00,592 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a031860 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 11:03:00, skipping insertion in model container [2024-11-10 11:03:00,593 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 11:03:00" (3/3) ... [2024-11-10 11:03:00,594 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_priority_queue_init_dynamic_harness.i [2024-11-10 11:03:00,624 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 11:03:00,628 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-10 11:03:00,767 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 11:03:00,780 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;@253e4378, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 11:03:00,781 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-10 11:03:00,791 INFO L276 IsEmpty]: Start isEmpty. Operand has 223 states, 143 states have (on average 1.2517482517482517) internal successors, (179), 145 states have internal predecessors, (179), 62 states have call successors, (62), 16 states have call predecessors, (62), 16 states have return successors, (62), 62 states have call predecessors, (62), 62 states have call successors, (62) [2024-11-10 11:03:00,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2024-11-10 11:03:00,802 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 11:03:00,803 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 9, 9, 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] [2024-11-10 11:03:00,803 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 11:03:00,809 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 11:03:00,810 INFO L85 PathProgramCache]: Analyzing trace with hash 1680898409, now seen corresponding path program 1 times [2024-11-10 11:03:00,817 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 11:03:00,817 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [617641742] [2024-11-10 11:03:00,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 11:03:00,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 11:03:06,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:03:06,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 11:03:06,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:03:06,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-10 11:03:06,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:03:06,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 11:03:06,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:03:06,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 11:03:06,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:03:06,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 11:03:06,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:03:06,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-10 11:03:06,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:03:06,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-10 11:03:06,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:03:06,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-10 11:03:06,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:03:06,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 11:03:06,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:03:06,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-10 11:03:06,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:03:06,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-10 11:03:06,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:03:06,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-10 11:03:06,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:03:06,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-10 11:03:06,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:03:06,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-10 11:03:06,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:03:06,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-10 11:03:06,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:03:06,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-10 11:03:06,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:03:06,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-10 11:03:06,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:03:06,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 11:03:06,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:03:06,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-10 11:03:06,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:03:06,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-10 11:03:06,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:03:06,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 11:03:06,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:03:06,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-10 11:03:06,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:03:06,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-10 11:03:06,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:03:06,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-10 11:03:06,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:03:06,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-10 11:03:06,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:03:06,999 INFO L134 CoverageAnalysis]: Checked inductivity of 297 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 297 trivial. 0 not checked. [2024-11-10 11:03:06,999 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 11:03:07,000 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [617641742] [2024-11-10 11:03:07,002 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [617641742] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 11:03:07,002 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 11:03:07,003 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 11:03:07,004 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1257470798] [2024-11-10 11:03:07,004 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 11:03:07,008 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 11:03:07,008 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 11:03:07,028 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 11:03:07,029 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 11:03:07,032 INFO L87 Difference]: Start difference. First operand has 223 states, 143 states have (on average 1.2517482517482517) internal successors, (179), 145 states have internal predecessors, (179), 62 states have call successors, (62), 16 states have call predecessors, (62), 16 states have return successors, (62), 62 states have call predecessors, (62), 62 states have call successors, (62) Second operand has 4 states, 4 states have (on average 11.0) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (25), 4 states have call predecessors, (25), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2024-11-10 11:03:11,107 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 [] [2024-11-10 11:03:15,490 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.38s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-10 11:03:19,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 11:03:19,671 INFO L93 Difference]: Finished difference Result 443 states and 646 transitions. [2024-11-10 11:03:19,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 11:03:19,675 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (25), 4 states have call predecessors, (25), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 144 [2024-11-10 11:03:19,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 11:03:19,684 INFO L225 Difference]: With dead ends: 443 [2024-11-10 11:03:19,685 INFO L226 Difference]: Without dead ends: 239 [2024-11-10 11:03:19,689 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-10 11:03:19,692 INFO L432 NwaCegarLoop]: 243 mSDtfsCounter, 163 mSDsluCounter, 199 mSDsCounter, 0 mSdLazyCounter, 215 mSolverCounterSat, 144 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 163 SdHoareTripleChecker+Valid, 442 SdHoareTripleChecker+Invalid, 361 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 144 IncrementalHoareTripleChecker+Valid, 215 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.3s IncrementalHoareTripleChecker+Time [2024-11-10 11:03:19,692 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [163 Valid, 442 Invalid, 361 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [144 Valid, 215 Invalid, 2 Unknown, 0 Unchecked, 12.3s Time] [2024-11-10 11:03:19,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 239 states. [2024-11-10 11:03:19,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 239 to 215. [2024-11-10 11:03:19,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 215 states, 136 states have (on average 1.2058823529411764) internal successors, (164), 138 states have internal predecessors, (164), 62 states have call successors, (62), 16 states have call predecessors, (62), 16 states have return successors, (60), 60 states have call predecessors, (60), 60 states have call successors, (60) [2024-11-10 11:03:19,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 215 states and 286 transitions. [2024-11-10 11:03:19,748 INFO L78 Accepts]: Start accepts. Automaton has 215 states and 286 transitions. Word has length 144 [2024-11-10 11:03:19,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 11:03:19,749 INFO L471 AbstractCegarLoop]: Abstraction has 215 states and 286 transitions. [2024-11-10 11:03:19,749 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (25), 4 states have call predecessors, (25), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2024-11-10 11:03:19,749 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 286 transitions. [2024-11-10 11:03:19,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2024-11-10 11:03:19,752 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 11:03:19,753 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 9, 9, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 11:03:19,753 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 11:03:19,753 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 11:03:19,754 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 11:03:19,754 INFO L85 PathProgramCache]: Analyzing trace with hash -1340165527, now seen corresponding path program 1 times [2024-11-10 11:03:19,754 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 11:03:19,754 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1970317113] [2024-11-10 11:03:19,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 11:03:19,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 11:03:24,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:03:25,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 11:03:25,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:03:25,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-10 11:03:25,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:03:25,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 11:03:25,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:03:25,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 11:03:25,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:03:25,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 11:03:25,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:03:25,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-10 11:03:25,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:03:25,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-10 11:03:25,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:03:25,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-10 11:03:25,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:03:25,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 11:03:25,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:03:25,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-10 11:03:25,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:03:25,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-10 11:03:25,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:03:25,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-10 11:03:25,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:03:26,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-10 11:03:26,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:03:26,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-10 11:03:26,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:03:26,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-10 11:03:26,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:03:26,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-10 11:03:26,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:03:26,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-10 11:03:26,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:03:26,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 11:03:26,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:03:26,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-10 11:03:26,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:03:26,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-10 11:03:26,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:03:26,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-10 11:03:26,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:03:26,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-10 11:03:26,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:03:27,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-10 11:03:27,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:03:27,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 11:03:27,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:03:27,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-10 11:03:27,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:03:27,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-10 11:03:27,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:03:27,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-10 11:03:27,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:03:27,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-10 11:03:27,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:03:27,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-10 11:03:27,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:03:27,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-10 11:03:27,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:03:27,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-10 11:03:27,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:03:27,571 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 383 trivial. 0 not checked. [2024-11-10 11:03:27,572 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 11:03:27,572 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1970317113] [2024-11-10 11:03:27,572 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1970317113] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 11:03:27,572 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [359660989] [2024-11-10 11:03:27,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 11:03:27,572 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 11:03:27,573 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 11:03:27,575 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) [2024-11-10 11:03:27,581 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-10 11:03:32,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:03:32,752 INFO L255 TraceCheckSpWp]: Trace formula consists of 4568 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-10 11:03:32,763 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 11:03:33,643 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 148 proven. 0 refuted. 0 times theorem prover too weak. 244 trivial. 0 not checked. [2024-11-10 11:03:33,643 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 11:03:33,643 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [359660989] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 11:03:33,643 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-10 11:03:33,643 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [9] total 11 [2024-11-10 11:03:33,644 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [83811970] [2024-11-10 11:03:33,644 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 11:03:33,648 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 11:03:33,649 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 11:03:33,649 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 11:03:33,650 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2024-11-10 11:03:33,650 INFO L87 Difference]: Start difference. First operand 215 states and 286 transitions. Second operand has 6 states, 5 states have (on average 14.2) internal successors, (71), 6 states have internal predecessors, (71), 4 states have call successors, (32), 2 states have call predecessors, (32), 4 states have return successors, (31), 4 states have call predecessors, (31), 4 states have call successors, (31) [2024-11-10 11:03:34,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 11:03:34,432 INFO L93 Difference]: Finished difference Result 397 states and 522 transitions. [2024-11-10 11:03:34,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 11:03:34,433 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 14.2) internal successors, (71), 6 states have internal predecessors, (71), 4 states have call successors, (32), 2 states have call predecessors, (32), 4 states have return successors, (31), 4 states have call predecessors, (31), 4 states have call successors, (31) Word has length 180 [2024-11-10 11:03:34,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 11:03:34,435 INFO L225 Difference]: With dead ends: 397 [2024-11-10 11:03:34,435 INFO L226 Difference]: Without dead ends: 215 [2024-11-10 11:03:34,436 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 247 GetRequests, 237 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2024-11-10 11:03:34,437 INFO L432 NwaCegarLoop]: 279 mSDtfsCounter, 7 mSDsluCounter, 1101 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 1380 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-10 11:03:34,437 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 1380 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-10 11:03:34,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 215 states. [2024-11-10 11:03:34,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 215 to 215. [2024-11-10 11:03:34,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 215 states, 136 states have (on average 1.1985294117647058) internal successors, (163), 138 states have internal predecessors, (163), 62 states have call successors, (62), 16 states have call predecessors, (62), 16 states have return successors, (60), 60 states have call predecessors, (60), 60 states have call successors, (60) [2024-11-10 11:03:34,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 215 states and 285 transitions. [2024-11-10 11:03:34,451 INFO L78 Accepts]: Start accepts. Automaton has 215 states and 285 transitions. Word has length 180 [2024-11-10 11:03:34,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 11:03:34,451 INFO L471 AbstractCegarLoop]: Abstraction has 215 states and 285 transitions. [2024-11-10 11:03:34,452 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 14.2) internal successors, (71), 6 states have internal predecessors, (71), 4 states have call successors, (32), 2 states have call predecessors, (32), 4 states have return successors, (31), 4 states have call predecessors, (31), 4 states have call successors, (31) [2024-11-10 11:03:34,452 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 285 transitions. [2024-11-10 11:03:34,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2024-11-10 11:03:34,454 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 11:03:34,454 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 9, 9, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 11:03:34,485 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-10 11:03:34,655 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 [2024-11-10 11:03:34,655 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 11:03:34,656 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 11:03:34,656 INFO L85 PathProgramCache]: Analyzing trace with hash -1984184759, now seen corresponding path program 1 times [2024-11-10 11:03:34,656 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 11:03:34,656 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1616415869] [2024-11-10 11:03:34,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 11:03:34,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 11:03:39,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:03:41,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 11:03:41,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:03:41,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-10 11:03:41,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:03:41,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 11:03:41,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:03:41,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 11:03:41,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:03:41,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 11:03:41,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:03:41,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-10 11:03:41,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:03:41,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-10 11:03:41,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:03:41,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-10 11:03:41,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:03:41,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 11:03:41,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:03:41,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-10 11:03:41,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:03:41,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-10 11:03:41,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:03:41,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-10 11:03:41,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:03:41,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-10 11:03:41,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:03:41,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-10 11:03:41,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:03:41,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-10 11:03:41,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:03:41,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-10 11:03:41,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:03:41,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-10 11:03:41,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:03:41,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 11:03:41,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:03:41,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-10 11:03:41,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:03:41,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-10 11:03:41,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:03:41,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-10 11:03:41,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:03:42,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-10 11:03:42,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:03:43,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-10 11:03:43,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:03:43,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-10 11:03:43,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:03:43,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-10 11:03:43,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:03:43,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-10 11:03:43,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:03:43,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-10 11:03:43,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:03:43,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-10 11:03:43,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:03:43,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-10 11:03:43,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:03:43,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-10 11:03:43,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:03:43,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-10 11:03:43,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:03:43,619 INFO L134 CoverageAnalysis]: Checked inductivity of 395 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 383 trivial. 0 not checked. [2024-11-10 11:03:43,620 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 11:03:43,620 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1616415869] [2024-11-10 11:03:43,621 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1616415869] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 11:03:43,622 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [204382139] [2024-11-10 11:03:43,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 11:03:43,622 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 11:03:43,622 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 11:03:43,626 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) [2024-11-10 11:03:43,628 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-10 11:03:49,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:03:49,196 INFO L255 TraceCheckSpWp]: Trace formula consists of 4586 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-10 11:03:49,211 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 11:03:49,881 INFO L134 CoverageAnalysis]: Checked inductivity of 395 backedges. 144 proven. 0 refuted. 0 times theorem prover too weak. 251 trivial. 0 not checked. [2024-11-10 11:03:49,882 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 11:03:49,882 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [204382139] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 11:03:49,882 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-10 11:03:49,882 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [10] total 11 [2024-11-10 11:03:49,882 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1192694878] [2024-11-10 11:03:49,882 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 11:03:49,883 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 11:03:49,883 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 11:03:49,884 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 11:03:49,884 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2024-11-10 11:03:49,884 INFO L87 Difference]: Start difference. First operand 215 states and 285 transitions. Second operand has 5 states, 4 states have (on average 18.0) internal successors, (72), 5 states have internal predecessors, (72), 4 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (31), 3 states have call predecessors, (31), 4 states have call successors, (31) [2024-11-10 11:03:50,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 11:03:50,216 INFO L93 Difference]: Finished difference Result 393 states and 519 transitions. [2024-11-10 11:03:50,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 11:03:50,217 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 18.0) internal successors, (72), 5 states have internal predecessors, (72), 4 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (31), 3 states have call predecessors, (31), 4 states have call successors, (31) Word has length 186 [2024-11-10 11:03:50,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 11:03:50,220 INFO L225 Difference]: With dead ends: 393 [2024-11-10 11:03:50,220 INFO L226 Difference]: Without dead ends: 217 [2024-11-10 11:03:50,221 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 252 GetRequests, 243 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2024-11-10 11:03:50,221 INFO L432 NwaCegarLoop]: 280 mSDtfsCounter, 5 mSDsluCounter, 551 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 831 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 11:03:50,222 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 831 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 11:03:50,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217 states. [2024-11-10 11:03:50,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 217. [2024-11-10 11:03:50,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 217 states, 138 states have (on average 1.1956521739130435) internal successors, (165), 140 states have internal predecessors, (165), 62 states have call successors, (62), 16 states have call predecessors, (62), 16 states have return successors, (60), 60 states have call predecessors, (60), 60 states have call successors, (60) [2024-11-10 11:03:50,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 217 states and 287 transitions. [2024-11-10 11:03:50,238 INFO L78 Accepts]: Start accepts. Automaton has 217 states and 287 transitions. Word has length 186 [2024-11-10 11:03:50,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 11:03:50,238 INFO L471 AbstractCegarLoop]: Abstraction has 217 states and 287 transitions. [2024-11-10 11:03:50,239 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 18.0) internal successors, (72), 5 states have internal predecessors, (72), 4 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (31), 3 states have call predecessors, (31), 4 states have call successors, (31) [2024-11-10 11:03:50,239 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 287 transitions. [2024-11-10 11:03:50,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-11-10 11:03:50,241 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 11:03:50,241 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 9, 9, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 11:03:50,274 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-10 11:03:50,442 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 [2024-11-10 11:03:50,443 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 11:03:50,443 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 11:03:50,443 INFO L85 PathProgramCache]: Analyzing trace with hash -220062645, now seen corresponding path program 1 times [2024-11-10 11:03:50,443 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 11:03:50,443 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1102627778] [2024-11-10 11:03:50,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 11:03:50,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 11:03:55,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:03:56,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 11:03:56,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:03:56,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-10 11:03:56,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:03:56,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 11:03:56,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:03:56,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 11:03:56,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:03:56,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 11:03:56,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:03:56,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-10 11:03:56,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:03:56,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-10 11:03:56,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:03:56,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-10 11:03:56,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:03:56,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 11:03:56,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:03:56,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-10 11:03:56,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:03:56,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-10 11:03:56,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:03:56,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-10 11:03:56,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:03:56,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-10 11:03:56,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:03:56,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-10 11:03:56,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:03:56,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-10 11:03:56,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:03:56,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-10 11:03:56,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:03:56,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-10 11:03:56,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:03:56,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 11:03:56,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:03:56,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-10 11:03:56,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:03:56,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-10 11:03:56,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:03:56,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-10 11:03:56,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:03:57,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-10 11:03:57,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:03:58,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-10 11:03:58,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:03:58,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-10 11:03:58,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:03:58,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-10 11:03:58,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:03:58,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-10 11:03:58,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:03:58,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-10 11:03:58,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:03:58,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-10 11:03:58,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:03:58,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-10 11:03:58,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:03:58,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-10 11:03:58,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:03:58,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-10 11:03:58,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:03:58,728 INFO L134 CoverageAnalysis]: Checked inductivity of 405 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 385 trivial. 0 not checked. [2024-11-10 11:03:58,729 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 11:03:58,729 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1102627778] [2024-11-10 11:03:58,730 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1102627778] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 11:03:58,730 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1555491785] [2024-11-10 11:03:58,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 11:03:58,730 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 11:03:58,730 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 11:03:58,735 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) [2024-11-10 11:03:58,738 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-10 11:04:11,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:04:11,137 INFO L255 TraceCheckSpWp]: Trace formula consists of 4626 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-10 11:04:11,143 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 11:04:13,240 INFO L134 CoverageAnalysis]: Checked inductivity of 405 backedges. 157 proven. 2 refuted. 0 times theorem prover too weak. 246 trivial. 0 not checked. [2024-11-10 11:04:13,240 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 11:04:18,441 INFO L134 CoverageAnalysis]: Checked inductivity of 405 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 385 trivial. 0 not checked. [2024-11-10 11:04:18,442 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1555491785] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 11:04:18,442 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 11:04:18,442 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 8, 8] total 19 [2024-11-10 11:04:18,442 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1196261236] [2024-11-10 11:04:18,442 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 11:04:18,443 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-11-10 11:04:18,443 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 11:04:18,444 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-11-10 11:04:18,444 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=284, Unknown=0, NotChecked=0, Total=342 [2024-11-10 11:04:18,445 INFO L87 Difference]: Start difference. First operand 217 states and 287 transitions. Second operand has 19 states, 17 states have (on average 6.705882352941177) internal successors, (114), 16 states have internal predecessors, (114), 6 states have call successors, (48), 5 states have call predecessors, (48), 6 states have return successors, (42), 6 states have call predecessors, (42), 6 states have call successors, (42)