./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_priority_queue_init_dynamic_harness-1.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-1.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', 'f4db5fb03820aea666082345ea177387bf1c218ce33dad19402cb646ed5abf58'] 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-1.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 f4db5fb03820aea666082345ea177387bf1c218ce33dad19402cb646ed5abf58 --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 11:58:40,029 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 11:58:40,116 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-07 11:58:40,121 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 11:58:40,121 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 11:58:40,142 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 11:58:40,144 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 11:58:40,144 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 11:58:40,144 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 11:58:40,144 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 11:58:40,145 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 11:58:40,145 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 11:58:40,145 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 11:58:40,145 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 11:58:40,145 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 11:58:40,145 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 11:58:40,145 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 11:58:40,145 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 11:58:40,145 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 11:58:40,146 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 11:58:40,146 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 11:58:40,146 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 11:58:40,146 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 11:58:40,146 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 11:58:40,146 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 11:58:40,146 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 11:58:40,146 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 11:58:40,146 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 11:58:40,146 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 11:58:40,146 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 11:58:40,147 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 11:58:40,147 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 11:58:40,147 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 11:58:40,147 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 11:58:40,147 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 11:58:40,147 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 11:58:40,147 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 11:58:40,147 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 11:58:40,147 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 11:58:40,147 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 -> f4db5fb03820aea666082345ea177387bf1c218ce33dad19402cb646ed5abf58 [2024-11-07 11:58:40,438 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 11:58:40,445 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 11:58:40,447 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 11:58:40,447 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 11:58:40,447 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 11:58:40,449 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_priority_queue_init_dynamic_harness-1.i [2024-11-07 11:58:41,775 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 11:58:42,365 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 11:58:42,366 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_init_dynamic_harness-1.i [2024-11-07 11:58:42,398 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/b54541deb/7d1628e6e5c24a79aae365ea6e13064d/FLAG3a01568ee [2024-11-07 11:58:42,436 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/b54541deb/7d1628e6e5c24a79aae365ea6e13064d [2024-11-07 11:58:42,438 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 11:58:42,441 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 11:58:42,442 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 11:58:42,442 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 11:58:42,445 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 11:58:42,446 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 11:58:42" (1/1) ... [2024-11-07 11:58:42,448 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17aabdb 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 11:58:42,448 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 11:58:42" (1/1) ... [2024-11-07 11:58:42,510 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 11:58:42,726 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-1.i[4505,4518] [2024-11-07 11:58:42,739 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-1.i[4565,4578] [2024-11-07 11:58:43,742 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:58:43,742 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:58:43,742 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:58:43,743 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:58:43,744 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:58:43,751 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:58:43,752 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:58:43,753 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:58:43,753 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:58:44,143 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:58:44,144 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:58:44,194 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 11:58:44,219 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 11:58:44,235 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-1.i[4505,4518] [2024-11-07 11:58:44,235 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-1.i[4565,4578] [2024-11-07 11:58:44,277 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:58:44,278 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:58:44,278 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:58:44,278 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:58:44,278 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:58:44,282 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:58:44,282 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:58:44,283 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:58:44,283 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:58:44,410 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:58:44,411 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:58:44,423 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7703-7714] [2024-11-07 11:58:44,459 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 11:58:44,633 INFO L204 MainTranslator]: Completed translation [2024-11-07 11:58:44,634 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:58:44 WrapperNode [2024-11-07 11:58:44,634 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 11:58:44,635 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 11:58:44,635 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 11:58:44,635 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 11:58:44,640 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:58:44" (1/1) ... [2024-11-07 11:58:44,717 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:58:44" (1/1) ... [2024-11-07 11:58:44,815 INFO L138 Inliner]: procedures = 678, calls = 1512, calls flagged for inlining = 52, calls inlined = 9, statements flattened = 739 [2024-11-07 11:58:44,819 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 11:58:44,823 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 11:58:44,823 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 11:58:44,823 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 11:58:44,834 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:58:44" (1/1) ... [2024-11-07 11:58:44,834 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:58:44" (1/1) ... [2024-11-07 11:58:44,843 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:58:44" (1/1) ... [2024-11-07 11:58:44,942 INFO L175 MemorySlicer]: Split 287 memory accesses to 5 slices as follows [2, 238, 35, 7, 5]. 83 percent of accesses are in the largest equivalence class. The 14 initializations are split as follows [2, 6, 0, 1, 5]. The 239 writes are split as follows [0, 232, 6, 1, 0]. [2024-11-07 11:58:44,942 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:58:44" (1/1) ... [2024-11-07 11:58:44,943 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:58:44" (1/1) ... [2024-11-07 11:58:44,992 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:58:44" (1/1) ... [2024-11-07 11:58:45,003 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:58:44" (1/1) ... [2024-11-07 11:58:45,013 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:58:44" (1/1) ... [2024-11-07 11:58:45,020 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:58:44" (1/1) ... [2024-11-07 11:58:45,030 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 11:58:45,036 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 11:58:45,036 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 11:58:45,036 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 11:58:45,037 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:58:44" (1/1) ... [2024-11-07 11:58:45,043 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 11:58:45,054 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 11:58:45,070 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 11:58:45,078 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 11:58:45,094 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_mem_zeroed [2024-11-07 11:58:45,094 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_mem_zeroed [2024-11-07 11:58:45,094 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-07 11:58:45,095 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2024-11-07 11:58:45,095 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2024-11-07 11:58:45,095 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-07 11:58:45,096 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-07 11:58:45,096 INFO L130 BoogieDeclarations]: Found specification of procedure aws_allocator_is_valid [2024-11-07 11:58:45,096 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_allocator_is_valid [2024-11-07 11:58:45,096 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-07 11:58:45,096 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-07 11:58:45,097 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-07 11:58:45,097 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-07 11:58:45,097 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-07 11:58:45,097 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-07 11:58:45,097 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-07 11:58:45,097 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-07 11:58:45,097 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-07 11:58:45,097 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-07 11:58:45,097 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-11-07 11:58:45,097 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-11-07 11:58:45,097 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-07 11:58:45,097 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-07 11:58:45,097 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-07 11:58:45,098 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 11:58:45,098 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-07 11:58:45,098 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-07 11:58:45,098 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-07 11:58:45,098 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-07 11:58:45,099 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-07 11:58:45,099 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 11:58:45,099 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 11:58:45,099 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-07 11:58:45,099 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-07 11:58:45,099 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2024-11-07 11:58:45,099 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2024-11-07 11:58:45,099 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2024-11-07 11:58:45,099 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2024-11-07 11:58:45,099 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-07 11:58:45,099 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-07 11:58:45,099 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-07 11:58:45,099 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-07 11:58:45,099 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-07 11:58:45,099 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2024-11-07 11:58:45,099 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2024-11-07 11:58:45,099 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_is_valid [2024-11-07 11:58:45,099 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_is_valid [2024-11-07 11:58:45,099 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-07 11:58:45,099 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-07 11:58:45,100 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-07 11:58:45,100 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-07 11:58:45,100 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-07 11:58:45,100 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-07 11:58:45,100 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-07 11:58:45,100 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-07 11:58:45,100 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-07 11:58:45,100 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-07 11:58:45,100 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-07 11:58:45,100 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-07 11:58:45,100 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-07 11:58:45,100 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-07 11:58:45,100 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-07 11:58:45,100 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2024-11-07 11:58:45,100 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2024-11-07 11:58:45,100 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-07 11:58:45,100 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-07 11:58:45,100 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-07 11:58:45,100 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-07 11:58:45,100 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-07 11:58:45,101 INFO L130 BoogieDeclarations]: Found specification of procedure memset_impl [2024-11-07 11:58:45,101 INFO L138 BoogieDeclarations]: Found implementation of procedure memset_impl [2024-11-07 11:58:45,101 INFO L130 BoogieDeclarations]: Found specification of procedure my_memset [2024-11-07 11:58:45,102 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memset [2024-11-07 11:58:45,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-07 11:58:45,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-07 11:58:45,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-07 11:58:45,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-07 11:58:45,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-07 11:58:45,312 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 11:58:45,313 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 11:58:51,659 INFO L? ?]: Removed 145 outVars from TransFormulas that were not future-live. [2024-11-07 11:58:51,660 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 11:58:51,682 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 11:58:51,683 INFO L316 CfgBuilder]: Removed 6 assume(true) statements. [2024-11-07 11:58:51,685 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 11:58:51 BoogieIcfgContainer [2024-11-07 11:58:51,685 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 11:58:51,687 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 11:58:51,691 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 11:58:51,697 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 11:58:51,698 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 11:58:42" (1/3) ... [2024-11-07 11:58:51,699 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57e99b35 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 11:58:51, skipping insertion in model container [2024-11-07 11:58:51,700 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:58:44" (2/3) ... [2024-11-07 11:58:51,700 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57e99b35 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 11:58:51, skipping insertion in model container [2024-11-07 11:58:51,700 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 11:58:51" (3/3) ... [2024-11-07 11:58:51,701 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_priority_queue_init_dynamic_harness-1.i [2024-11-07 11:58:51,723 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 11:58:51,727 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-07 11:58:51,772 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 11:58:51,785 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;@5ee4f90, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 11:58:51,786 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-07 11:58:51,792 INFO L276 IsEmpty]: Start isEmpty. Operand has 206 states, 134 states have (on average 1.2537313432835822) internal successors, (168), 134 states have internal predecessors, (168), 56 states have call successors, (56), 16 states have call predecessors, (56), 16 states have return successors, (56), 56 states have call predecessors, (56), 56 states have call successors, (56) [2024-11-07 11:58:51,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2024-11-07 11:58:51,804 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 11:58:51,805 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 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] [2024-11-07 11:58:51,805 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 11:58:51,809 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 11:58:51,811 INFO L85 PathProgramCache]: Analyzing trace with hash 176985200, now seen corresponding path program 1 times [2024-11-07 11:58:51,817 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 11:58:51,818 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1390573697] [2024-11-07 11:58:51,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 11:58:51,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 11:58:56,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:58:57,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 11:58:57,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:58:57,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-07 11:58:57,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:58:57,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-07 11:58:57,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:58:57,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 11:58:57,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:58:57,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-07 11:58:57,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:58:57,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 11:58:57,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:58:57,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 11:58:57,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:58:57,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 11:58:57,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:58:57,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-07 11:58:57,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:58:57,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 11:58:57,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:58:57,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-07 11:58:57,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:58:57,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 11:58:57,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:58:57,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 11:58:57,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:58:57,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-07 11:58:57,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:58:57,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-07 11:58:57,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:58:57,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 11:58:58,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:58:58,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-07 11:58:58,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:58:58,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 11:58:58,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:58:58,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-07 11:58:58,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:58:58,060 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked. [2024-11-07 11:58:58,061 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 11:58:58,061 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1390573697] [2024-11-07 11:58:58,062 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1390573697] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 11:58:58,062 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 11:58:58,062 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 11:58:58,063 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [419785318] [2024-11-07 11:58:58,064 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 11:58:58,068 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 11:58:58,068 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 11:58:58,084 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 11:58:58,085 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 11:58:58,088 INFO L87 Difference]: Start difference. First operand has 206 states, 134 states have (on average 1.2537313432835822) internal successors, (168), 134 states have internal predecessors, (168), 56 states have call successors, (56), 16 states have call predecessors, (56), 16 states have return successors, (56), 56 states have call predecessors, (56), 56 states have call successors, (56) Second operand has 4 states, 4 states have (on average 9.5) internal successors, (38), 2 states have internal predecessors, (38), 2 states have call successors, (19), 4 states have call predecessors, (19), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-07 11:59:02,166 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-07 11:59:06,604 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.44s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-07 11:59:10,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 11:59:10,430 INFO L93 Difference]: Finished difference Result 427 states and 624 transitions. [2024-11-07 11:59:10,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 11:59:10,432 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 2 states have internal predecessors, (38), 2 states have call successors, (19), 4 states have call predecessors, (19), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 112 [2024-11-07 11:59:10,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 11:59:10,438 INFO L225 Difference]: With dead ends: 427 [2024-11-07 11:59:10,438 INFO L226 Difference]: Without dead ends: 223 [2024-11-07 11:59:10,443 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-07 11:59:10,445 INFO L432 NwaCegarLoop]: 196 mSDtfsCounter, 163 mSDsluCounter, 182 mSDsCounter, 0 mSdLazyCounter, 202 mSolverCounterSat, 136 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 163 SdHoareTripleChecker+Valid, 378 SdHoareTripleChecker+Invalid, 340 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 136 IncrementalHoareTripleChecker+Valid, 202 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.0s IncrementalHoareTripleChecker+Time [2024-11-07 11:59:10,446 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [163 Valid, 378 Invalid, 340 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [136 Valid, 202 Invalid, 2 Unknown, 0 Unchecked, 12.0s Time] [2024-11-07 11:59:10,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 223 states. [2024-11-07 11:59:10,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 223 to 199. [2024-11-07 11:59:10,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 199 states, 126 states have (on average 1.2222222222222223) internal successors, (154), 128 states have internal predecessors, (154), 56 states have call successors, (56), 16 states have call predecessors, (56), 16 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) [2024-11-07 11:59:10,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 199 states and 264 transitions. [2024-11-07 11:59:10,496 INFO L78 Accepts]: Start accepts. Automaton has 199 states and 264 transitions. Word has length 112 [2024-11-07 11:59:10,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 11:59:10,496 INFO L471 AbstractCegarLoop]: Abstraction has 199 states and 264 transitions. [2024-11-07 11:59:10,497 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 2 states have internal predecessors, (38), 2 states have call successors, (19), 4 states have call predecessors, (19), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-07 11:59:10,497 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 264 transitions. [2024-11-07 11:59:10,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2024-11-07 11:59:10,498 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 11:59:10,499 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 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] [2024-11-07 11:59:10,499 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-07 11:59:10,499 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 11:59:10,499 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 11:59:10,500 INFO L85 PathProgramCache]: Analyzing trace with hash -1147997895, now seen corresponding path program 1 times [2024-11-07 11:59:10,500 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 11:59:10,500 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1858578792] [2024-11-07 11:59:10,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 11:59:10,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 11:59:14,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:59:15,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 11:59:15,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:59:15,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-07 11:59:15,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:59:15,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-07 11:59:15,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:59:15,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 11:59:15,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:59:15,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-07 11:59:15,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:59:15,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 11:59:15,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:59:15,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 11:59:15,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:59:15,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 11:59:15,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:59:16,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-07 11:59:16,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:59:16,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 11:59:16,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:59:16,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-07 11:59:16,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:59:16,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 11:59:16,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:59:16,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 11:59:16,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:59:16,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 11:59:16,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:59:16,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 11:59:16,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:59:16,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 11:59:16,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:59:16,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-07 11:59:16,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:59:16,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-07 11:59:16,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:59:16,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-07 11:59:16,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:59:16,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-07 11:59:16,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:59:16,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 11:59:16,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:59:16,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 11:59:16,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:59:16,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-07 11:59:16,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:59:16,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 11:59:16,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:59:16,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-07 11:59:17,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:59:17,007 INFO L134 CoverageAnalysis]: Checked inductivity of 287 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 284 trivial. 0 not checked. [2024-11-07 11:59:17,007 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 11:59:17,007 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1858578792] [2024-11-07 11:59:17,007 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1858578792] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 11:59:17,007 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 11:59:17,007 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-07 11:59:17,007 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1350639243] [2024-11-07 11:59:17,007 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 11:59:17,009 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-07 11:59:17,009 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 11:59:17,011 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-07 11:59:17,011 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-07 11:59:17,011 INFO L87 Difference]: Start difference. First operand 199 states and 264 transitions. Second operand has 8 states, 8 states have (on average 6.25) internal successors, (50), 5 states have internal predecessors, (50), 2 states have call successors, (23), 5 states have call predecessors, (23), 2 states have return successors, (22), 3 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-07 11:59:21,064 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-07 11:59:25,499 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.43s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-07 11:59:42,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 11:59:42,036 INFO L93 Difference]: Finished difference Result 335 states and 451 transitions. [2024-11-07 11:59:42,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-07 11:59:42,040 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.25) internal successors, (50), 5 states have internal predecessors, (50), 2 states have call successors, (23), 5 states have call predecessors, (23), 2 states have return successors, (22), 3 states have call predecessors, (22), 2 states have call successors, (22) Word has length 146 [2024-11-07 11:59:42,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 11:59:42,043 INFO L225 Difference]: With dead ends: 335 [2024-11-07 11:59:42,043 INFO L226 Difference]: Without dead ends: 236 [2024-11-07 11:59:42,044 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=45, Invalid=137, Unknown=0, NotChecked=0, Total=182 [2024-11-07 11:59:42,044 INFO L432 NwaCegarLoop]: 143 mSDtfsCounter, 302 mSDsluCounter, 443 mSDsCounter, 0 mSdLazyCounter, 874 mSolverCounterSat, 203 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 305 SdHoareTripleChecker+Valid, 586 SdHoareTripleChecker+Invalid, 1079 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 203 IncrementalHoareTripleChecker+Valid, 874 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.9s IncrementalHoareTripleChecker+Time [2024-11-07 11:59:42,046 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [305 Valid, 586 Invalid, 1079 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [203 Valid, 874 Invalid, 2 Unknown, 0 Unchecked, 22.9s Time] [2024-11-07 11:59:42,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2024-11-07 11:59:42,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 204. [2024-11-07 11:59:42,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 204 states, 130 states have (on average 1.2153846153846153) internal successors, (158), 132 states have internal predecessors, (158), 56 states have call successors, (56), 16 states have call predecessors, (56), 17 states have return successors, (57), 55 states have call predecessors, (57), 54 states have call successors, (57) [2024-11-07 11:59:42,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 271 transitions. [2024-11-07 11:59:42,078 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 271 transitions. Word has length 146 [2024-11-07 11:59:42,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 11:59:42,079 INFO L471 AbstractCegarLoop]: Abstraction has 204 states and 271 transitions. [2024-11-07 11:59:42,079 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.25) internal successors, (50), 5 states have internal predecessors, (50), 2 states have call successors, (23), 5 states have call predecessors, (23), 2 states have return successors, (22), 3 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-07 11:59:42,080 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 271 transitions. [2024-11-07 11:59:42,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2024-11-07 11:59:42,083 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 11:59:42,084 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 3, 3, 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] [2024-11-07 11:59:42,084 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-07 11:59:42,084 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 11:59:42,085 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 11:59:42,085 INFO L85 PathProgramCache]: Analyzing trace with hash 1388500798, now seen corresponding path program 1 times [2024-11-07 11:59:42,085 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 11:59:42,085 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2050678741] [2024-11-07 11:59:42,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 11:59:42,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 11:59:46,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:59:47,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 11:59:47,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:59:47,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-07 11:59:47,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:59:47,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-07 11:59:47,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:59:47,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 11:59:47,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:59:47,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-07 11:59:47,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:59:47,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 11:59:47,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:59:47,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 11:59:47,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:59:47,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 11:59:47,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:59:47,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-07 11:59:47,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:59:47,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 11:59:47,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:59:47,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-07 11:59:47,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:59:47,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 11:59:47,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:59:47,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 11:59:47,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:59:47,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 11:59:47,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:59:48,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 11:59:48,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:59:49,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 11:59:49,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:59:49,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-07 11:59:49,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:59:49,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-07 11:59:49,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:59:49,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-07 11:59:49,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:59:49,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-07 11:59:49,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:59:49,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 11:59:49,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:59:49,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 11:59:49,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:59:49,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-07 11:59:49,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:59:49,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 11:59:49,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:59:49,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 11:59:49,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:59:49,172 INFO L134 CoverageAnalysis]: Checked inductivity of 293 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 284 trivial. 0 not checked. [2024-11-07 11:59:49,173 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 11:59:49,173 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2050678741] [2024-11-07 11:59:49,173 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2050678741] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 11:59:49,173 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1421855335] [2024-11-07 11:59:49,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 11:59:49,173 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 11:59:49,174 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 11:59:49,177 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 11:59:49,178 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 11:59:53,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:59:53,914 INFO L255 TraceCheckSpWp]: Trace formula consists of 4357 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-07 11:59:53,926 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 11:59:57,818 INFO L134 CoverageAnalysis]: Checked inductivity of 293 backedges. 12 proven. 21 refuted. 0 times theorem prover too weak. 260 trivial. 0 not checked. [2024-11-07 11:59:57,818 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 12:00:01,593 INFO L134 CoverageAnalysis]: Checked inductivity of 293 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 293 trivial. 0 not checked. [2024-11-07 12:00:01,594 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1421855335] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-07 12:00:01,594 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-07 12:00:01,595 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9, 10] total 19 [2024-11-07 12:00:01,595 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2046657750] [2024-11-07 12:00:01,595 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 12:00:01,597 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 12:00:01,597 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 12:00:01,597 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 12:00:01,598 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=305, Unknown=0, NotChecked=0, Total=342 [2024-11-07 12:00:01,598 INFO L87 Difference]: Start difference. First operand 204 states and 271 transitions. Second operand has 5 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-07 12:00:02,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 12:00:02,853 INFO L93 Difference]: Finished difference Result 212 states and 279 transitions. [2024-11-07 12:00:02,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 12:00:02,854 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 147 [2024-11-07 12:00:02,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 12:00:02,858 INFO L225 Difference]: With dead ends: 212 [2024-11-07 12:00:02,858 INFO L226 Difference]: Without dead ends: 210 [2024-11-07 12:00:02,859 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 348 GetRequests, 330 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 6.2s TimeCoverageRelationStatistics Valid=41, Invalid=339, Unknown=0, NotChecked=0, Total=380 [2024-11-07 12:00:02,860 INFO L432 NwaCegarLoop]: 264 mSDtfsCounter, 3 mSDsluCounter, 769 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 1033 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-07 12:00:02,860 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 1033 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-07 12:00:02,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 210 states. [2024-11-07 12:00:02,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 210 to 209. [2024-11-07 12:00:02,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 209 states, 133 states have (on average 1.2105263157894737) internal successors, (161), 136 states have internal predecessors, (161), 57 states have call successors, (57), 17 states have call predecessors, (57), 18 states have return successors, (58), 55 states have call predecessors, (58), 55 states have call successors, (58) [2024-11-07 12:00:02,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 209 states and 276 transitions. [2024-11-07 12:00:02,935 INFO L78 Accepts]: Start accepts. Automaton has 209 states and 276 transitions. Word has length 147 [2024-11-07 12:00:02,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 12:00:02,936 INFO L471 AbstractCegarLoop]: Abstraction has 209 states and 276 transitions. [2024-11-07 12:00:02,936 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-07 12:00:02,937 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 276 transitions. [2024-11-07 12:00:02,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2024-11-07 12:00:02,942 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 12:00:02,942 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 3, 3, 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] [2024-11-07 12:00:02,969 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 12:00:03,146 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 12:00:03,147 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 12:00:03,147 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 12:00:03,147 INFO L85 PathProgramCache]: Analyzing trace with hash 1390347840, now seen corresponding path program 1 times [2024-11-07 12:00:03,147 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 12:00:03,147 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1749051907] [2024-11-07 12:00:03,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 12:00:03,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 12:00:08,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:00:09,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 12:00:09,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:00:09,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-07 12:00:09,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:00:09,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-07 12:00:09,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:00:09,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 12:00:09,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:00:09,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-07 12:00:09,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:00:10,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 12:00:10,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:00:10,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 12:00:10,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:00:10,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 12:00:10,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:00:10,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-07 12:00:10,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:00:10,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 12:00:10,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:00:10,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-07 12:00:10,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:00:10,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 12:00:10,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:00:10,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 12:00:10,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:00:10,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 12:00:10,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:00:11,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 12:00:11,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:00:12,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 12:00:12,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:00:12,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-07 12:00:12,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:00:12,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-07 12:00:12,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:00:12,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-07 12:00:12,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:00:12,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-07 12:00:12,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:00:12,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 12:00:12,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:00:12,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 12:00:12,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:00:12,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-07 12:00:12,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:00:12,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 12:00:12,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:00:12,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 12:00:12,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:00:12,807 INFO L134 CoverageAnalysis]: Checked inductivity of 293 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 284 trivial. 0 not checked. [2024-11-07 12:00:12,811 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 12:00:12,811 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1749051907] [2024-11-07 12:00:12,811 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1749051907] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 12:00:12,812 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [163361108] [2024-11-07 12:00:12,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 12:00:12,812 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 12:00:12,812 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 12:00:12,815 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 12:00:12,816 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 12:00:17,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:00:17,991 INFO L255 TraceCheckSpWp]: Trace formula consists of 4362 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-07 12:00:18,000 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 12:00:19,001 INFO L134 CoverageAnalysis]: Checked inductivity of 293 backedges. 154 proven. 0 refuted. 0 times theorem prover too weak. 139 trivial. 0 not checked. [2024-11-07 12:00:19,005 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 12:00:19,005 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [163361108] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 12:00:19,005 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-07 12:00:19,005 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [9] total 11 [2024-11-07 12:00:19,005 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1522837936] [2024-11-07 12:00:19,005 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 12:00:19,006 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 12:00:19,006 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 12:00:19,006 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 12:00:19,006 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2024-11-07 12:00:19,006 INFO L87 Difference]: Start difference. First operand 209 states and 276 transitions. Second operand has 6 states, 5 states have (on average 12.8) internal successors, (64), 6 states have internal predecessors, (64), 4 states have call successors, (26), 2 states have call predecessors, (26), 4 states have return successors, (25), 4 states have call predecessors, (25), 4 states have call successors, (25) [2024-11-07 12:00:20,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 12:00:20,134 INFO L93 Difference]: Finished difference Result 403 states and 525 transitions. [2024-11-07 12:00:20,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 12:00:20,135 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 12.8) internal successors, (64), 6 states have internal predecessors, (64), 4 states have call successors, (26), 2 states have call predecessors, (26), 4 states have return successors, (25), 4 states have call predecessors, (25), 4 states have call successors, (25) Word has length 147 [2024-11-07 12:00:20,136 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 12:00:20,138 INFO L225 Difference]: With dead ends: 403 [2024-11-07 12:00:20,138 INFO L226 Difference]: Without dead ends: 209 [2024-11-07 12:00:20,139 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 202 GetRequests, 192 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2024-11-07 12:00:20,145 INFO L432 NwaCegarLoop]: 257 mSDtfsCounter, 7 mSDsluCounter, 1013 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 1270 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-07 12:00:20,145 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 1270 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-07 12:00:20,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 209 states. [2024-11-07 12:00:20,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 209 to 209. [2024-11-07 12:00:20,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 209 states, 133 states have (on average 1.2030075187969924) internal successors, (160), 136 states have internal predecessors, (160), 57 states have call successors, (57), 17 states have call predecessors, (57), 18 states have return successors, (58), 55 states have call predecessors, (58), 55 states have call successors, (58) [2024-11-07 12:00:20,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 209 states and 275 transitions. [2024-11-07 12:00:20,178 INFO L78 Accepts]: Start accepts. Automaton has 209 states and 275 transitions. Word has length 147 [2024-11-07 12:00:20,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 12:00:20,178 INFO L471 AbstractCegarLoop]: Abstraction has 209 states and 275 transitions. [2024-11-07 12:00:20,178 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 12.8) internal successors, (64), 6 states have internal predecessors, (64), 4 states have call successors, (26), 2 states have call predecessors, (26), 4 states have return successors, (25), 4 states have call predecessors, (25), 4 states have call successors, (25) [2024-11-07 12:00:20,178 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 275 transitions. [2024-11-07 12:00:20,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-11-07 12:00:20,185 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 12:00:20,188 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 3, 3, 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] [2024-11-07 12:00:20,256 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-07 12:00:20,389 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 12:00:20,390 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 12:00:20,390 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 12:00:20,390 INFO L85 PathProgramCache]: Analyzing trace with hash -625604432, now seen corresponding path program 1 times [2024-11-07 12:00:20,391 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 12:00:20,391 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [310408491] [2024-11-07 12:00:20,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 12:00:20,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms