./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_array_list_front_harness_negated.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3289d67d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_array_list_front_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 2ce109988390b6767f379f20c8317980e8ad55260534e411b505fed6860deb81 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-16 19:39:58,085 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-16 19:39:58,161 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-16 19:39:58,165 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-16 19:39:58,166 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-16 19:39:58,195 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-16 19:39:58,195 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-16 19:39:58,196 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-16 19:39:58,196 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-16 19:39:58,197 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-16 19:39:58,197 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-16 19:39:58,198 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-16 19:39:58,198 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-16 19:39:58,198 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-16 19:39:58,199 INFO L153 SettingsManager]: * Use SBE=true [2024-11-16 19:39:58,199 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-16 19:39:58,200 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-16 19:39:58,200 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-16 19:39:58,200 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-16 19:39:58,201 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-16 19:39:58,201 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-16 19:39:58,205 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-16 19:39:58,205 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-16 19:39:58,205 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-16 19:39:58,206 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-16 19:39:58,206 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-16 19:39:58,206 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-16 19:39:58,206 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-16 19:39:58,207 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-16 19:39:58,207 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 19:39:58,207 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-16 19:39:58,207 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-16 19:39:58,208 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-16 19:39:58,208 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-16 19:39:58,208 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-16 19:39:58,209 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-16 19:39:58,209 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-16 19:39:58,210 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-16 19:39:58,210 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-16 19:39:58,210 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2ce109988390b6767f379f20c8317980e8ad55260534e411b505fed6860deb81 [2024-11-16 19:39:58,471 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-16 19:39:58,493 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-16 19:39:58,498 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-16 19:39:58,500 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-16 19:39:58,500 INFO L274 PluginConnector]: CDTParser initialized [2024-11-16 19:39:58,501 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_array_list_front_harness_negated.i [2024-11-16 19:39:59,937 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-16 19:40:00,351 INFO L384 CDTParser]: Found 1 translation units. [2024-11-16 19:40:00,352 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_array_list_front_harness_negated.i [2024-11-16 19:40:00,385 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a4629d9ad/d8490bc9544747cf92069dc96bd7d26a/FLAGe1c001f7d [2024-11-16 19:40:00,401 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a4629d9ad/d8490bc9544747cf92069dc96bd7d26a [2024-11-16 19:40:00,404 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-16 19:40:00,405 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-16 19:40:00,406 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-16 19:40:00,406 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-16 19:40:00,410 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-16 19:40:00,411 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 07:40:00" (1/1) ... [2024-11-16 19:40:00,412 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6697a649 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:40:00, skipping insertion in model container [2024-11-16 19:40:00,412 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 07:40:00" (1/1) ... [2024-11-16 19:40:00,499 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-16 19:40:00,801 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_array_list_front_harness_negated.i[4494,4507] [2024-11-16 19:40:00,810 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_array_list_front_harness_negated.i[4554,4567] [2024-11-16 19:40:01,714 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:40:01,715 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:40:01,716 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:40:01,716 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:40:01,717 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:40:01,727 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:40:01,727 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:40:01,729 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:40:01,729 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:40:01,731 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:40:01,731 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:40:01,732 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:40:01,732 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:40:02,188 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:40:02,195 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:40:02,248 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 19:40:02,282 INFO L200 MainTranslator]: Completed pre-run [2024-11-16 19:40:02,292 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_array_list_front_harness_negated.i[4494,4507] [2024-11-16 19:40:02,297 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_array_list_front_harness_negated.i[4554,4567] [2024-11-16 19:40:02,339 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:40:02,340 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:40:02,340 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:40:02,340 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:40:02,341 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:40:02,348 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:40:02,349 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:40:02,350 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:40:02,350 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:40:02,351 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:40:02,352 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:40:02,352 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:40:02,352 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:40:02,435 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:40:02,442 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:40:02,455 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7735-7746] [2024-11-16 19:40:02,472 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 19:40:02,667 INFO L204 MainTranslator]: Completed translation [2024-11-16 19:40:02,667 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:40:02 WrapperNode [2024-11-16 19:40:02,668 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-16 19:40:02,669 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-16 19:40:02,669 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-16 19:40:02,669 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-16 19:40:02,675 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:40:02" (1/1) ... [2024-11-16 19:40:02,755 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:40:02" (1/1) ... [2024-11-16 19:40:02,823 INFO L138 Inliner]: procedures = 680, calls = 1682, calls flagged for inlining = 53, calls inlined = 8, statements flattened = 662 [2024-11-16 19:40:02,824 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-16 19:40:02,824 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-16 19:40:02,824 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-16 19:40:02,824 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-16 19:40:02,843 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:40:02" (1/1) ... [2024-11-16 19:40:02,843 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:40:02" (1/1) ... [2024-11-16 19:40:02,858 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:40:02" (1/1) ... [2024-11-16 19:40:02,951 INFO L175 MemorySlicer]: Split 314 memory accesses to 6 slices as follows [6, 238, 2, 3, 56, 9]. 76 percent of accesses are in the largest equivalence class. The 24 initializations are split as follows [0, 6, 2, 1, 10, 5]. The 239 writes are split as follows [2, 232, 0, 1, 3, 1]. [2024-11-16 19:40:02,955 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:40:02" (1/1) ... [2024-11-16 19:40:02,955 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:40:02" (1/1) ... [2024-11-16 19:40:02,997 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:40:02" (1/1) ... [2024-11-16 19:40:02,998 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:40:02" (1/1) ... [2024-11-16 19:40:03,068 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:40:02" (1/1) ... [2024-11-16 19:40:03,077 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:40:02" (1/1) ... [2024-11-16 19:40:03,092 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-16 19:40:03,094 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-16 19:40:03,094 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-16 19:40:03,094 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-16 19:40:03,095 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:40:02" (1/1) ... [2024-11-16 19:40:03,101 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 19:40:03,112 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 19:40:03,130 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-16 19:40:03,134 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-16 19:40:03,173 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-16 19:40:03,174 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2024-11-16 19:40:03,174 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2024-11-16 19:40:03,174 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2024-11-16 19:40:03,174 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2024-11-16 19:40:03,174 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-16 19:40:03,174 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-16 19:40:03,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-16 19:40:03,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-16 19:40:03,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-16 19:40:03,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-16 19:40:03,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-16 19:40:03,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-16 19:40:03,175 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-16 19:40:03,175 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-16 19:40:03,176 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-16 19:40:03,176 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-16 19:40:03,176 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-16 19:40:03,176 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-16 19:40:03,176 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-11-16 19:40:03,176 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-11-16 19:40:03,176 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-16 19:40:03,177 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-16 19:40:03,177 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-16 19:40:03,177 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-16 19:40:03,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-16 19:40:03,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-16 19:40:03,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-16 19:40:03,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-16 19:40:03,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-16 19:40:03,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-16 19:40:03,178 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2024-11-16 19:40:03,178 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2024-11-16 19:40:03,178 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-16 19:40:03,178 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-16 19:40:03,178 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-16 19:40:03,178 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-16 19:40:03,178 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2024-11-16 19:40:03,178 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2024-11-16 19:40:03,179 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2024-11-16 19:40:03,179 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2024-11-16 19:40:03,179 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2024-11-16 19:40:03,179 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2024-11-16 19:40:03,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-16 19:40:03,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-16 19:40:03,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-16 19:40:03,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-16 19:40:03,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-16 19:40:03,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-16 19:40:03,180 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2024-11-16 19:40:03,180 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2024-11-16 19:40:03,180 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_length [2024-11-16 19:40:03,180 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_length [2024-11-16 19:40:03,181 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-16 19:40:03,181 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-16 19:40:03,181 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2024-11-16 19:40:03,181 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2024-11-16 19:40:03,181 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-16 19:40:03,181 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-16 19:40:03,181 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-16 19:40:03,181 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-16 19:40:03,182 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-16 19:40:03,182 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-16 19:40:03,182 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-16 19:40:03,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-16 19:40:03,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-16 19:40:03,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-16 19:40:03,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-16 19:40:03,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-16 19:40:03,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-16 19:40:03,183 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-16 19:40:03,183 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-16 19:40:03,183 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2024-11-16 19:40:03,183 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2024-11-16 19:40:03,183 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-16 19:40:03,183 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-16 19:40:03,183 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-16 19:40:03,183 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-16 19:40:03,183 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-16 19:40:03,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-16 19:40:03,184 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2024-11-16 19:40:03,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2024-11-16 19:40:03,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-16 19:40:03,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-16 19:40:03,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-16 19:40:03,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-16 19:40:03,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-16 19:40:03,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-16 19:40:03,487 INFO L256 CfgBuilder]: Building ICFG [2024-11-16 19:40:03,490 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-16 19:40:03,544 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2782: havoc #t~malloc77.base, #t~malloc77.offset; [2024-11-16 19:40:03,576 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: havoc #t~nondet6; [2024-11-16 19:40:03,607 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2588: havoc #t~ret57#1; [2024-11-16 19:40:03,635 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2796: havoc #t~ret81;havoc #t~ite83.base, #t~ite83.offset;havoc #t~ret82.base, #t~ret82.offset; [2024-11-16 19:40:03,719 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L3268: call ULTIMATE.dealloc(~#required_size~0.base, ~#required_size~0.offset);havoc ~#required_size~0.base, ~#required_size~0.offset; [2024-11-16 19:40:03,723 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2024-11-16 19:40:03,743 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L7356: havoc #t~ret687.base, #t~ret687.offset; [2024-11-16 19:40:09,234 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L3342: havoc aws_array_list_front_#t~ret180#1; [2024-11-16 19:40:09,311 INFO L? ?]: Removed 132 outVars from TransFormulas that were not future-live. [2024-11-16 19:40:09,312 INFO L307 CfgBuilder]: Performing block encoding [2024-11-16 19:40:09,330 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-16 19:40:09,331 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-16 19:40:09,331 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 07:40:09 BoogieIcfgContainer [2024-11-16 19:40:09,331 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-16 19:40:09,334 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-16 19:40:09,334 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-16 19:40:09,337 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-16 19:40:09,338 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 07:40:00" (1/3) ... [2024-11-16 19:40:09,338 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7603c8ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 07:40:09, skipping insertion in model container [2024-11-16 19:40:09,339 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:40:02" (2/3) ... [2024-11-16 19:40:09,339 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7603c8ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 07:40:09, skipping insertion in model container [2024-11-16 19:40:09,340 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 07:40:09" (3/3) ... [2024-11-16 19:40:09,341 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_array_list_front_harness_negated.i [2024-11-16 19:40:09,356 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-16 19:40:09,357 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-16 19:40:09,431 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-16 19:40:09,438 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;@355c5195, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 19:40:09,438 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-16 19:40:09,444 INFO L276 IsEmpty]: Start isEmpty. Operand has 189 states, 114 states have (on average 1.2017543859649122) internal successors, (137), 115 states have internal predecessors, (137), 56 states have call successors, (56), 17 states have call predecessors, (56), 17 states have return successors, (56), 56 states have call predecessors, (56), 56 states have call successors, (56) [2024-11-16 19:40:09,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2024-11-16 19:40:09,459 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 19:40:09,460 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 19:40:09,462 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 19:40:09,467 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 19:40:09,468 INFO L85 PathProgramCache]: Analyzing trace with hash -2136482596, now seen corresponding path program 1 times [2024-11-16 19:40:09,477 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 19:40:09,478 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [569438694] [2024-11-16 19:40:09,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 19:40:09,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 19:40:15,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:40:16,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-16 19:40:16,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:40:16,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 19:40:16,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:40:16,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 19:40:16,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:40:16,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-16 19:40:16,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:40:16,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-16 19:40:16,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:40:16,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-16 19:40:16,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:40:16,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-16 19:40:16,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:40:16,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-16 19:40:16,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:40:16,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-16 19:40:16,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:40:17,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-16 19:40:17,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:40:17,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 19:40:17,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:40:17,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-16 19:40:17,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:40:17,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-16 19:40:17,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:40:17,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-16 19:40:17,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:40:17,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-16 19:40:17,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:40:17,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-16 19:40:17,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:40:17,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 19:40:17,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:40:17,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-16 19:40:17,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:40:17,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-16 19:40:17,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:40:17,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-16 19:40:17,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:40:17,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-16 19:40:17,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:40:17,138 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-16 19:40:17,138 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 19:40:17,139 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [569438694] [2024-11-16 19:40:17,139 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [569438694] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 19:40:17,140 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 19:40:17,140 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 19:40:17,142 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1928335709] [2024-11-16 19:40:17,143 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 19:40:17,147 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-16 19:40:17,148 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 19:40:17,173 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-16 19:40:17,174 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-16 19:40:17,177 INFO L87 Difference]: Start difference. First operand has 189 states, 114 states have (on average 1.2017543859649122) internal successors, (137), 115 states have internal predecessors, (137), 56 states have call successors, (56), 17 states have call predecessors, (56), 17 states have return successors, (56), 56 states have call predecessors, (56), 56 states have call successors, (56) Second operand has 5 states, 5 states have (on average 9.2) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (23), 5 states have call predecessors, (23), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-16 19:40:21,294 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-16 19:40:25,680 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.38s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-16 19:40:30,135 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.45s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-16 19:40:35,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 19:40:35,171 INFO L93 Difference]: Finished difference Result 392 states and 563 transitions. [2024-11-16 19:40:35,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-16 19:40:35,173 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (23), 5 states have call predecessors, (23), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 129 [2024-11-16 19:40:35,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 19:40:35,183 INFO L225 Difference]: With dead ends: 392 [2024-11-16 19:40:35,183 INFO L226 Difference]: Without dead ends: 201 [2024-11-16 19:40:35,188 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2024-11-16 19:40:35,190 INFO L432 NwaCegarLoop]: 143 mSDtfsCounter, 136 mSDsluCounter, 123 mSDsCounter, 0 mSdLazyCounter, 233 mSolverCounterSat, 151 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 266 SdHoareTripleChecker+Invalid, 387 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 151 IncrementalHoareTripleChecker+Valid, 233 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.3s IncrementalHoareTripleChecker+Time [2024-11-16 19:40:35,191 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [136 Valid, 266 Invalid, 387 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [151 Valid, 233 Invalid, 3 Unknown, 0 Unchecked, 17.3s Time] [2024-11-16 19:40:35,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 201 states. [2024-11-16 19:40:35,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 201 to 179. [2024-11-16 19:40:35,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 179 states, 106 states have (on average 1.1603773584905661) internal successors, (123), 107 states have internal predecessors, (123), 56 states have call successors, (56), 17 states have call predecessors, (56), 16 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) [2024-11-16 19:40:35,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 233 transitions. [2024-11-16 19:40:35,273 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 233 transitions. Word has length 129 [2024-11-16 19:40:35,276 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 19:40:35,276 INFO L471 AbstractCegarLoop]: Abstraction has 179 states and 233 transitions. [2024-11-16 19:40:35,276 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (23), 5 states have call predecessors, (23), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-16 19:40:35,277 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 233 transitions. [2024-11-16 19:40:35,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2024-11-16 19:40:35,284 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 19:40:35,284 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 19:40:35,284 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-16 19:40:35,285 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 19:40:35,285 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 19:40:35,286 INFO L85 PathProgramCache]: Analyzing trace with hash -2106967586, now seen corresponding path program 1 times [2024-11-16 19:40:35,286 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 19:40:35,286 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [78683267] [2024-11-16 19:40:35,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 19:40:35,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 19:40:39,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:40:42,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-16 19:40:42,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:40:42,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 19:40:42,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:40:42,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 19:40:42,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:40:42,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-16 19:40:42,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:40:42,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-16 19:40:42,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:40:43,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-16 19:40:43,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:40:43,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-16 19:40:43,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:40:43,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-16 19:40:43,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:40:43,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-16 19:40:43,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:40:43,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-16 19:40:43,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:40:44,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 19:40:44,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:40:44,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-16 19:40:44,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:40:44,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-16 19:40:44,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:40:44,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-16 19:40:44,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:40:44,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-16 19:40:44,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:40:44,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-16 19:40:44,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:40:44,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 19:40:44,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:40:44,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-16 19:40:44,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:40:44,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-16 19:40:44,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:40:44,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-16 19:40:44,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:40:44,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-16 19:40:44,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:40:44,191 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-16 19:40:44,192 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 19:40:44,192 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [78683267] [2024-11-16 19:40:44,192 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [78683267] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 19:40:44,192 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 19:40:44,192 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-16 19:40:44,192 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1385377230] [2024-11-16 19:40:44,193 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 19:40:44,194 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-16 19:40:44,194 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 19:40:44,195 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-16 19:40:44,195 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-11-16 19:40:44,195 INFO L87 Difference]: Start difference. First operand 179 states and 233 transitions. Second operand has 10 states, 10 states have (on average 4.6) internal successors, (46), 6 states have internal predecessors, (46), 3 states have call successors, (23), 5 states have call predecessors, (23), 2 states have return successors, (21), 4 states have call predecessors, (21), 3 states have call successors, (21) [2024-11-16 19:40:48,266 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-16 19:40:52,619 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.35s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-16 19:40:57,011 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.39s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-16 19:41:12,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 19:41:12,417 INFO L93 Difference]: Finished difference Result 329 states and 439 transitions. [2024-11-16 19:41:12,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-16 19:41:12,417 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 4.6) internal successors, (46), 6 states have internal predecessors, (46), 3 states have call successors, (23), 5 states have call predecessors, (23), 2 states have return successors, (21), 4 states have call predecessors, (21), 3 states have call successors, (21) Word has length 129 [2024-11-16 19:41:12,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 19:41:12,421 INFO L225 Difference]: With dead ends: 329 [2024-11-16 19:41:12,421 INFO L226 Difference]: Without dead ends: 216 [2024-11-16 19:41:12,422 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=42, Invalid=140, Unknown=0, NotChecked=0, Total=182 [2024-11-16 19:41:12,423 INFO L432 NwaCegarLoop]: 131 mSDtfsCounter, 199 mSDsluCounter, 515 mSDsCounter, 0 mSdLazyCounter, 878 mSolverCounterSat, 234 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 202 SdHoareTripleChecker+Valid, 646 SdHoareTripleChecker+Invalid, 1115 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 234 IncrementalHoareTripleChecker+Valid, 878 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26.2s IncrementalHoareTripleChecker+Time [2024-11-16 19:41:12,424 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [202 Valid, 646 Invalid, 1115 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [234 Valid, 878 Invalid, 3 Unknown, 0 Unchecked, 26.2s Time] [2024-11-16 19:41:12,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 216 states. [2024-11-16 19:41:12,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 216 to 193. [2024-11-16 19:41:12,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 193 states, 115 states have (on average 1.1565217391304348) internal successors, (133), 116 states have internal predecessors, (133), 60 states have call successors, (60), 17 states have call predecessors, (60), 17 states have return successors, (59), 59 states have call predecessors, (59), 58 states have call successors, (59) [2024-11-16 19:41:12,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 252 transitions. [2024-11-16 19:41:12,459 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 252 transitions. Word has length 129 [2024-11-16 19:41:12,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 19:41:12,460 INFO L471 AbstractCegarLoop]: Abstraction has 193 states and 252 transitions. [2024-11-16 19:41:12,461 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.6) internal successors, (46), 6 states have internal predecessors, (46), 3 states have call successors, (23), 5 states have call predecessors, (23), 2 states have return successors, (21), 4 states have call predecessors, (21), 3 states have call successors, (21) [2024-11-16 19:41:12,462 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 252 transitions. [2024-11-16 19:41:12,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2024-11-16 19:41:12,468 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 19:41:12,468 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 19:41:12,469 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-16 19:41:12,469 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 19:41:12,469 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 19:41:12,469 INFO L85 PathProgramCache]: Analyzing trace with hash -1668958083, now seen corresponding path program 1 times [2024-11-16 19:41:12,469 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 19:41:12,469 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1728537530] [2024-11-16 19:41:12,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 19:41:12,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 19:41:16,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:41:19,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-16 19:41:19,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:41:19,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 19:41:19,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:41:19,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 19:41:19,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:41:19,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-16 19:41:19,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:41:19,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-16 19:41:19,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:41:20,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-16 19:41:20,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:41:20,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-16 19:41:20,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:41:20,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-16 19:41:20,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:41:20,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-16 19:41:20,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:41:20,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-16 19:41:20,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:41:21,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 19:41:21,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:41:21,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-16 19:41:21,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:41:21,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-16 19:41:21,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:41:21,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-16 19:41:21,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:41:21,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-16 19:41:21,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:41:21,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-16 19:41:21,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:41:21,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 19:41:21,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:41:21,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-16 19:41:21,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:41:21,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-16 19:41:21,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:41:21,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-16 19:41:21,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:41:21,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-16 19:41:21,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:41:21,272 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-16 19:41:21,272 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 19:41:21,272 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1728537530] [2024-11-16 19:41:21,272 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1728537530] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 19:41:21,274 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 19:41:21,275 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-16 19:41:21,275 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1855108523] [2024-11-16 19:41:21,275 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 19:41:21,276 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-16 19:41:21,277 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 19:41:21,277 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-16 19:41:21,278 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2024-11-16 19:41:21,278 INFO L87 Difference]: Start difference. First operand 193 states and 252 transitions. Second operand has 11 states, 11 states have (on average 4.181818181818182) internal successors, (46), 7 states have internal predecessors, (46), 4 states have call successors, (23), 5 states have call predecessors, (23), 2 states have return successors, (21), 5 states have call predecessors, (21), 4 states have call successors, (21) [2024-11-16 19:41:25,346 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 []