./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_priority_queue_init_dynamic_harness_negated.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4f9af400 extending candidate: java ['java'] extending candidate: /usr/bin/java ['java', '/usr/bin/java'] extending candidate: /opt/oracle-jdk-bin-*/bin/java ['java', '/usr/bin/java'] extending candidate: /opt/openjdk-*/bin/java ['java', '/usr/bin/java'] extending candidate: /usr/lib/jvm/java-*-openjdk-amd64/bin/java ['java', '/usr/bin/java', '/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java', '/usr/lib/jvm/java-17-openjdk-amd64/bin/java', '/usr/lib/jvm/java-11-openjdk-amd64/bin/java', '/usr/lib/jvm/java-1.17.0-openjdk-amd64/bin/java'] ['/root/.sdkman/candidates/java/21.0.5-tem/bin/java', '-Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config', '-Xmx15G', '-Xms4m', '-jar', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar', '-data', '@noDefault', '-ultimatedata', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data', '-tc', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml', '-i', '../sv-benchmarks/c/aws-c-common/aws_priority_queue_init_dynamic_harness_negated.i', '-s', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf', '--cacsl2boogietranslator.entry.function', 'main', '--witnessprinter.witness.directory', '/storage/repos/ultimate-jdk21/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())) )\n\n', '--witnessprinter.graph.data.producer', 'Automizer', '--witnessprinter.graph.data.architecture', '64bit', '--witnessprinter.graph.data.programhash', '175c9418701070e8128f8ed008fd30685ed8c019e1010acc82e904c5730ef842'] Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_priority_queue_init_dynamic_harness_negated.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/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 175c9418701070e8128f8ed008fd30685ed8c019e1010acc82e904c5730ef842 --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 11:58:40,207 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 11:58:40,293 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-07 11:58:40,299 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 11:58:40,299 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 11:58:40,318 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 11:58:40,319 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 11:58:40,319 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 11:58:40,319 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 11:58:40,319 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 11:58:40,320 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 11:58:40,320 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 11:58:40,320 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 11:58:40,320 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 11:58:40,320 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 11:58:40,320 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 11:58:40,320 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 11:58:40,320 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 11:58:40,321 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 11:58:40,321 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 11:58:40,321 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 11:58:40,321 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 11:58:40,321 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 11:58:40,321 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 11:58:40,321 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 11:58:40,321 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 11:58:40,321 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 11:58:40,321 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 11:58:40,321 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 11:58:40,321 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 11:58:40,322 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 11:58:40,322 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 11:58:40,322 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 11:58:40,322 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 11:58:40,322 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 11:58:40,322 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 11:58:40,322 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 11:58:40,322 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 11:58:40,322 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 11:58:40,322 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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-jdk21/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 -> 175c9418701070e8128f8ed008fd30685ed8c019e1010acc82e904c5730ef842 [2024-11-07 11:58:40,539 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 11:58:40,548 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 11:58:40,549 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 11:58:40,550 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 11:58:40,550 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 11:58:40,551 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_priority_queue_init_dynamic_harness_negated.i [2024-11-07 11:58:41,681 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 11:58:42,091 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 11:58:42,092 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_init_dynamic_harness_negated.i [2024-11-07 11:58:42,112 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/db686a694/71f62cb8b0d64f94aee7aa399f1ca351/FLAGa37cab7a4 [2024-11-07 11:58:42,262 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/db686a694/71f62cb8b0d64f94aee7aa399f1ca351 [2024-11-07 11:58:42,264 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 11:58:42,265 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 11:58:42,266 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 11:58:42,266 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 11:58:42,268 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 11:58:42,269 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 11:58:42" (1/1) ... [2024-11-07 11:58:42,269 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2bd4b6b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:58:42, skipping insertion in model container [2024-11-07 11:58:42,269 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 11:58:42" (1/1) ... [2024-11-07 11:58:42,331 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 11:58:42,491 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_init_dynamic_harness_negated.i[4505,4518] [2024-11-07 11:58:42,497 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_init_dynamic_harness_negated.i[4565,4578] [2024-11-07 11:58:42,907 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:58:42,909 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:58:42,910 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:58:42,911 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:58:42,911 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:58:42,921 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:58:42,922 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:58:42,923 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:58:42,923 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:58:43,210 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:58:43,210 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:58:43,237 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 11:58:43,266 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 11:58:43,274 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_init_dynamic_harness_negated.i[4505,4518] [2024-11-07 11:58:43,275 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_init_dynamic_harness_negated.i[4565,4578] [2024-11-07 11:58:43,321 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:58:43,324 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:58:43,325 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:58:43,325 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:58:43,326 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:58:43,329 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:58:43,332 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:58:43,333 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:58:43,334 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:58:43,388 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:58:43,388 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:58:43,396 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7671-7682] [2024-11-07 11:58:43,417 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 11:58:43,603 INFO L204 MainTranslator]: Completed translation [2024-11-07 11:58:43,603 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:58:43 WrapperNode [2024-11-07 11:58:43,604 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 11:58:43,605 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 11:58:43,605 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 11:58:43,605 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 11:58:43,610 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:58:43" (1/1) ... [2024-11-07 11:58:43,661 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:58:43" (1/1) ... [2024-11-07 11:58:43,700 INFO L138 Inliner]: procedures = 678, calls = 1530, calls flagged for inlining = 52, calls inlined = 9, statements flattened = 765 [2024-11-07 11:58:43,701 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 11:58:43,701 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 11:58:43,701 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 11:58:43,701 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 11:58:43,707 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:58:43" (1/1) ... [2024-11-07 11:58:43,708 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:58:43" (1/1) ... [2024-11-07 11:58:43,713 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:58:43" (1/1) ... [2024-11-07 11:58:43,787 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]. [2024-11-07 11:58:43,787 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:58:43" (1/1) ... [2024-11-07 11:58:43,787 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:58:43" (1/1) ... [2024-11-07 11:58:43,819 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:58:43" (1/1) ... [2024-11-07 11:58:43,825 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:58:43" (1/1) ... [2024-11-07 11:58:43,832 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:58:43" (1/1) ... [2024-11-07 11:58:43,839 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:58:43" (1/1) ... [2024-11-07 11:58:43,848 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 11:58:43,848 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 11:58:43,848 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 11:58:43,848 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 11:58:43,849 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:58:43" (1/1) ... [2024-11-07 11:58:43,855 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 11:58:43,863 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 11:58:43,874 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-07 11:58:43,879 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-07 11:58:43,892 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_mem_zeroed [2024-11-07 11:58:43,892 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_mem_zeroed [2024-11-07 11:58:43,892 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-07 11:58:43,892 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2024-11-07 11:58:43,893 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2024-11-07 11:58:43,893 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-07 11:58:43,893 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-07 11:58:43,893 INFO L130 BoogieDeclarations]: Found specification of procedure aws_allocator_is_valid [2024-11-07 11:58:43,893 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_allocator_is_valid [2024-11-07 11:58:43,894 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-07 11:58:43,894 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-07 11:58:43,895 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-07 11:58:43,895 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-07 11:58:43,895 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-07 11:58:43,895 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-07 11:58:43,895 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-07 11:58:43,895 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-07 11:58:43,895 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-07 11:58:43,895 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-07 11:58:43,895 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-11-07 11:58:43,895 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-11-07 11:58:43,895 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-07 11:58:43,895 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-07 11:58:43,895 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-07 11:58:43,895 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 11:58:43,895 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-07 11:58:43,895 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-07 11:58:43,895 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-07 11:58:43,895 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-07 11:58:43,895 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-07 11:58:43,895 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 11:58:43,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 11:58:43,895 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-07 11:58:43,895 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-07 11:58:43,896 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2024-11-07 11:58:43,896 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2024-11-07 11:58:43,896 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2024-11-07 11:58:43,896 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2024-11-07 11:58:43,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-07 11:58:43,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-07 11:58:43,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-07 11:58:43,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-07 11:58:43,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-07 11:58:43,896 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2024-11-07 11:58:43,896 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2024-11-07 11:58:43,896 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_is_valid [2024-11-07 11:58:43,896 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_is_valid [2024-11-07 11:58:43,896 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-07 11:58:43,896 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-07 11:58:43,896 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-07 11:58:43,896 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-07 11:58:43,896 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-07 11:58:43,896 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-07 11:58:43,896 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-07 11:58:43,896 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-07 11:58:43,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-07 11:58:43,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-07 11:58:43,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-07 11:58:43,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-07 11:58:43,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-07 11:58:43,896 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-07 11:58:43,896 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-07 11:58:43,896 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2024-11-07 11:58:43,896 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2024-11-07 11:58:43,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-07 11:58:43,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-07 11:58:43,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-07 11:58:43,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-07 11:58:43,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-07 11:58:43,896 INFO L130 BoogieDeclarations]: Found specification of procedure memset_impl [2024-11-07 11:58:43,896 INFO L138 BoogieDeclarations]: Found implementation of procedure memset_impl [2024-11-07 11:58:43,896 INFO L130 BoogieDeclarations]: Found specification of procedure my_memset [2024-11-07 11:58:43,897 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memset [2024-11-07 11:58:43,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-07 11:58:43,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-07 11:58:43,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-07 11:58:43,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-07 11:58:43,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-07 11:58:44,112 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 11:58:44,114 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 11:58:50,016 INFO L? ?]: Removed 151 outVars from TransFormulas that were not future-live. [2024-11-07 11:58:50,016 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 11:58:50,029 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 11:58:50,030 INFO L316 CfgBuilder]: Removed 6 assume(true) statements. [2024-11-07 11:58:50,033 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 11:58:50 BoogieIcfgContainer [2024-11-07 11:58:50,033 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 11:58:50,035 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 11:58:50,035 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 11:58:50,039 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 11:58:50,039 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 11:58:42" (1/3) ... [2024-11-07 11:58:50,039 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d5fe839 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 11:58:50, skipping insertion in model container [2024-11-07 11:58:50,039 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:58:43" (2/3) ... [2024-11-07 11:58:50,040 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d5fe839 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 11:58:50, skipping insertion in model container [2024-11-07 11:58:50,040 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 11:58:50" (3/3) ... [2024-11-07 11:58:50,041 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_priority_queue_init_dynamic_harness_negated.i [2024-11-07 11:58:50,051 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 11:58:50,052 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-07 11:58:50,096 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 11:58:50,105 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;@2b36d02b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 11:58:50,105 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-07 11:58:50,109 INFO L276 IsEmpty]: Start isEmpty. Operand has 219 states, 141 states have (on average 1.2411347517730495) internal successors, (175), 141 states have internal predecessors, (175), 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) [2024-11-07 11:58:50,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2024-11-07 11:58:50,117 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 11:58:50,117 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] [2024-11-07 11:58:50,118 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 11:58:50,121 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 11:58:50,121 INFO L85 PathProgramCache]: Analyzing trace with hash -1438933569, now seen corresponding path program 1 times [2024-11-07 11:58:50,126 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 11:58:50,127 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1290332152] [2024-11-07 11:58:50,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 11:58:50,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 11:58:54,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:58:55,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 11:58:55,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:58:55,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-07 11:58:55,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:58:55,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-07 11:58:55,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:58:55,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 11:58:55,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:58:55,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-07 11:58:55,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:58:55,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 11:58:55,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:58:55,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 11:58:55,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:58:55,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-07 11:58:55,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:58:55,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-07 11:58:55,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:58:55,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 11:58:55,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:58:55,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-07 11:58:55,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:58:55,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-07 11:58:55,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:58:55,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-07 11:58:55,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:58:55,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 11:58:55,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:58:55,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-07 11:58:55,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:58:55,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-07 11:58:55,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:58:55,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 11:58:55,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:58:55,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-07 11:58:55,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:58:55,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-07 11:58:55,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:58:55,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-07 11:58:55,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:58:55,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-07 11:58:55,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:58:55,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-07 11:58:55,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:58:55,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-07 11:58:55,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:58:55,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-07 11:58:55,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:58:55,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 11:58:55,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:58:55,855 INFO L134 CoverageAnalysis]: Checked inductivity of 297 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 297 trivial. 0 not checked. [2024-11-07 11:58:55,855 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 11:58:55,855 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1290332152] [2024-11-07 11:58:55,856 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1290332152] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 11:58:55,856 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 11:58:55,856 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 11:58:55,857 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1514311507] [2024-11-07 11:58:55,857 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 11:58:55,860 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 11:58:55,860 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 11:58:55,873 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 11:58:55,874 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 11:58:55,876 INFO L87 Difference]: Start difference. First operand has 219 states, 141 states have (on average 1.2411347517730495) internal successors, (175), 141 states have internal predecessors, (175), 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) [2024-11-07 11:58:59,939 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-07 11:59:04,353 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.41s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-07 11:59:08,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 11:59:08,558 INFO L93 Difference]: Finished difference Result 436 states and 639 transitions. [2024-11-07 11:59:08,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 11:59:08,560 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 [2024-11-07 11:59:08,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 11:59:08,567 INFO L225 Difference]: With dead ends: 436 [2024-11-07 11:59:08,567 INFO L226 Difference]: Without dead ends: 236 [2024-11-07 11:59:08,569 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-07 11:59:08,571 INFO L432 NwaCegarLoop]: 240 mSDtfsCounter, 163 mSDsluCounter, 193 mSDsCounter, 0 mSdLazyCounter, 215 mSolverCounterSat, 144 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 163 SdHoareTripleChecker+Valid, 433 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 [2024-11-07 11:59:08,572 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [163 Valid, 433 Invalid, 361 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [144 Valid, 215 Invalid, 2 Unknown, 0 Unchecked, 12.3s Time] [2024-11-07 11:59:08,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2024-11-07 11:59:08,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 212. [2024-11-07 11:59:08,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 212 states, 133 states have (on average 1.2105263157894737) internal successors, (161), 135 states have internal predecessors, (161), 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) [2024-11-07 11:59:08,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 212 states and 283 transitions. [2024-11-07 11:59:08,615 INFO L78 Accepts]: Start accepts. Automaton has 212 states and 283 transitions. Word has length 144 [2024-11-07 11:59:08,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 11:59:08,616 INFO L471 AbstractCegarLoop]: Abstraction has 212 states and 283 transitions. [2024-11-07 11:59:08,616 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) [2024-11-07 11:59:08,616 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 283 transitions. [2024-11-07 11:59:08,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2024-11-07 11:59:08,619 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 11:59:08,619 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] [2024-11-07 11:59:08,620 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-07 11:59:08,620 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 11:59:08,620 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 11:59:08,620 INFO L85 PathProgramCache]: Analyzing trace with hash -1947585720, now seen corresponding path program 1 times [2024-11-07 11:59:08,620 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 11:59:08,621 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2055535140] [2024-11-07 11:59:08,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 11:59:08,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 11:59:12,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:59:13,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 11:59:13,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:59:13,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-07 11:59:13,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:59:13,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-07 11:59:13,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:59:13,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 11:59:13,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:59:13,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-07 11:59:13,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:59:13,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 11:59:13,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:59:13,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 11:59:13,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:59:13,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-07 11:59:13,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:59:13,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-07 11:59:13,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:59:13,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 11:59:13,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:59:13,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-07 11:59:13,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:59:13,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-07 11:59:13,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:59:13,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-07 11:59:13,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:59:13,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 11:59:13,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:59:13,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-07 11:59:13,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:59:13,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-07 11:59:13,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:59:13,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 11:59:13,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:59:13,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-07 11:59:13,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:59:13,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-07 11:59:13,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:59:13,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-07 11:59:13,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:59:14,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-07 11:59:14,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:59:14,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 11:59:14,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:59:15,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 11:59:15,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:59:15,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-07 11:59:15,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:59:15,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-07 11:59:15,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:59:15,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-07 11:59:15,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:59:15,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-07 11:59:15,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:59:15,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 11:59:15,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:59:15,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 11:59:15,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:59:15,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-07 11:59:15,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:59:15,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 11:59:15,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:59:15,300 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 383 trivial. 0 not checked. [2024-11-07 11:59:15,301 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 11:59:15,301 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2055535140] [2024-11-07 11:59:15,301 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2055535140] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 11:59:15,301 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [833569839] [2024-11-07 11:59:15,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 11:59:15,302 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 11:59:15,302 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 11:59:15,304 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 11:59:15,305 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-07 11:59:19,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:59:19,827 INFO L255 TraceCheckSpWp]: Trace formula consists of 4561 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-07 11:59:19,837 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 11:59:20,839 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 148 proven. 0 refuted. 0 times theorem prover too weak. 244 trivial. 0 not checked. [2024-11-07 11:59:20,839 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 11:59:20,839 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [833569839] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 11:59:20,839 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-07 11:59:20,839 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [9] total 11 [2024-11-07 11:59:20,840 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1988638342] [2024-11-07 11:59:20,840 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 11:59:20,840 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 11:59:20,840 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 11:59:20,842 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 11:59:20,842 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2024-11-07 11:59:20,842 INFO L87 Difference]: Start difference. First operand 212 states and 283 transitions. Second operand has 6 states, 5 states have (on average 13.8) internal successors, (69), 6 states have internal predecessors, (69), 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) [2024-11-07 11:59:21,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 11:59:21,675 INFO L93 Difference]: Finished difference Result 392 states and 517 transitions. [2024-11-07 11:59:21,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 11:59:21,676 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 13.8) internal successors, (69), 6 states have internal predecessors, (69), 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 178 [2024-11-07 11:59:21,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 11:59:21,678 INFO L225 Difference]: With dead ends: 392 [2024-11-07 11:59:21,678 INFO L226 Difference]: Without dead ends: 212 [2024-11-07 11:59:21,680 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 245 GetRequests, 235 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2024-11-07 11:59:21,680 INFO L432 NwaCegarLoop]: 276 mSDtfsCounter, 7 mSDsluCounter, 1089 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 1365 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 [2024-11-07 11:59:21,681 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 1365 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-07 11:59:21,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2024-11-07 11:59:21,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 212. [2024-11-07 11:59:21,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 212 states, 133 states have (on average 1.2030075187969924) internal successors, (160), 135 states have internal predecessors, (160), 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) [2024-11-07 11:59:21,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 212 states and 282 transitions. [2024-11-07 11:59:21,698 INFO L78 Accepts]: Start accepts. Automaton has 212 states and 282 transitions. Word has length 178 [2024-11-07 11:59:21,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 11:59:21,698 INFO L471 AbstractCegarLoop]: Abstraction has 212 states and 282 transitions. [2024-11-07 11:59:21,698 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 13.8) internal successors, (69), 6 states have internal predecessors, (69), 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) [2024-11-07 11:59:21,698 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 282 transitions. [2024-11-07 11:59:21,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2024-11-07 11:59:21,702 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 11:59:21,702 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 11:59:21,726 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-07 11:59:21,903 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 11:59:21,904 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 11:59:21,904 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 11:59:21,905 INFO L85 PathProgramCache]: Analyzing trace with hash -1714188232, now seen corresponding path program 1 times [2024-11-07 11:59:21,905 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 11:59:21,905 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [269178883] [2024-11-07 11:59:21,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 11:59:21,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 11:59:26,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:59:27,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 11:59:27,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:59:27,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-07 11:59:27,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:59:27,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-07 11:59:27,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:59:27,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 11:59:27,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:59:27,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-07 11:59:27,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:59:27,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 11:59:27,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:59:27,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 11:59:27,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:59:27,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-07 11:59:27,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:59:27,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-07 11:59:27,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:59:27,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 11:59:27,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:59:27,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-07 11:59:27,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:59:27,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-07 11:59:27,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:59:27,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-07 11:59:27,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:59:27,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 11:59:27,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:59:27,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-07 11:59:27,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:59:27,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-07 11:59:27,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:59:27,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 11:59:27,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:59:27,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-07 11:59:27,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:59:27,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-07 11:59:27,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:59:27,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-07 11:59:27,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:59:27,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-07 11:59:27,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:59:28,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 11:59:28,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:59:29,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 11:59:29,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:59:29,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-07 11:59:29,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:59:29,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-07 11:59:29,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:59:29,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 11:59:29,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:59:29,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-07 11:59:29,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:59:29,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 11:59:29,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:59:29,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 11:59:29,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:59:29,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-07 11:59:29,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:59:29,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 11:59:29,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:59:29,548 INFO L134 CoverageAnalysis]: Checked inductivity of 394 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 383 trivial. 0 not checked. [2024-11-07 11:59:29,550 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 11:59:29,550 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [269178883] [2024-11-07 11:59:29,550 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [269178883] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 11:59:29,550 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [90714586] [2024-11-07 11:59:29,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 11:59:29,551 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 11:59:29,551 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 11:59:29,553 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 11:59:29,554 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-07 11:59:52,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:59:52,643 INFO L255 TraceCheckSpWp]: Trace formula consists of 4577 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-07 11:59:52,652 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 11:59:53,109 INFO L134 CoverageAnalysis]: Checked inductivity of 394 backedges. 143 proven. 0 refuted. 0 times theorem prover too weak. 251 trivial. 0 not checked. [2024-11-07 11:59:53,109 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 11:59:53,109 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [90714586] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 11:59:53,109 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-07 11:59:53,109 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [10] total 11 [2024-11-07 11:59:53,109 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [711202228] [2024-11-07 11:59:53,109 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 11:59:53,110 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 11:59:53,110 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 11:59:53,112 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 11:59:53,112 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2024-11-07 11:59:53,112 INFO L87 Difference]: Start difference. First operand 212 states and 282 transitions. Second operand has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 2 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2024-11-07 11:59:53,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 11:59:53,249 INFO L93 Difference]: Finished difference Result 388 states and 514 transitions. [2024-11-07 11:59:53,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 11:59:53,249 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 2 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 182 [2024-11-07 11:59:53,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 11:59:53,251 INFO L225 Difference]: With dead ends: 388 [2024-11-07 11:59:53,251 INFO L226 Difference]: Without dead ends: 214 [2024-11-07 11:59:53,252 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 248 GetRequests, 239 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2024-11-07 11:59:53,252 INFO L432 NwaCegarLoop]: 280 mSDtfsCounter, 1 mSDsluCounter, 276 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 556 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 11:59:53,253 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 556 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 11:59:53,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 214 states. [2024-11-07 11:59:53,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 214 to 213. [2024-11-07 11:59:53,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 213 states, 134 states have (on average 1.2014925373134329) internal successors, (161), 136 states have internal predecessors, (161), 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) [2024-11-07 11:59:53,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 213 states and 283 transitions. [2024-11-07 11:59:53,274 INFO L78 Accepts]: Start accepts. Automaton has 213 states and 283 transitions. Word has length 182 [2024-11-07 11:59:53,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 11:59:53,275 INFO L471 AbstractCegarLoop]: Abstraction has 213 states and 283 transitions. [2024-11-07 11:59:53,275 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 2 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2024-11-07 11:59:53,276 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 283 transitions. [2024-11-07 11:59:53,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2024-11-07 11:59:53,280 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 11:59:53,281 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, 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] [2024-11-07 11:59:53,482 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forcibly destroying the process [2024-11-07 11:59:53,494 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-07 11:59:53,494 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 11:59:53,494 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 11:59:53,494 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 11:59:53,494 INFO L85 PathProgramCache]: Analyzing trace with hash 1626506044, now seen corresponding path program 1 times [2024-11-07 11:59:53,494 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 11:59:53,494 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [802904707] [2024-11-07 11:59:53,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 11:59:53,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 11:59:57,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:59:58,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 11:59:58,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:59:58,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-07 11:59:58,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:59:58,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-07 11:59:58,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:59:58,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 11:59:58,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:59:58,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-07 11:59:58,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:59:58,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 11:59:58,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:59:58,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 11:59:58,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:59:58,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-07 11:59:58,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:59:58,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-07 11:59:58,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:59:58,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 11:59:58,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:59:58,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-07 11:59:58,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:59:58,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-07 11:59:58,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:59:58,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-07 11:59:58,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:59:58,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 11:59:58,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:59:58,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-07 11:59:58,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:59:58,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-07 11:59:58,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:59:58,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 11:59:58,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:59:58,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-07 11:59:58,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:59:58,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-07 11:59:58,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:59:58,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-07 11:59:58,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:59:59,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-07 11:59:59,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:59:59,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 11:59:59,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:00:01,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 12:00:01,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:00:01,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-07 12:00:01,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:00:01,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-07 12:00:01,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:00:01,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-07 12:00:01,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:00:01,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-07 12:00:01,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:00:01,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 12:00:01,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:00:01,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 12:00:01,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:00:01,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-07 12:00:01,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:00:01,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 12:00:01,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:00:01,688 INFO L134 CoverageAnalysis]: Checked inductivity of 400 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 384 trivial. 0 not checked. [2024-11-07 12:00:01,688 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 12:00:01,688 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [802904707] [2024-11-07 12:00:01,688 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [802904707] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 12:00:01,688 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1329750180] [2024-11-07 12:00:01,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 12:00:01,689 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 12:00:01,689 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 12:00:01,693 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 12:00:01,694 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-07 12:00:12,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:00:12,145 INFO L255 TraceCheckSpWp]: Trace formula consists of 4615 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-07 12:00:12,153 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 12:00:14,681 INFO L134 CoverageAnalysis]: Checked inductivity of 400 backedges. 154 proven. 1 refuted. 0 times theorem prover too weak. 245 trivial. 0 not checked. [2024-11-07 12:00:14,682 INFO L311 TraceCheckSpWp]: Computing backward predicates...