./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_string_new_from_array_harness.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_string_new_from_array_harness.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', '364b54724e976c015f9881f66521e5c6d863e13e3a8324ac15c0186b650523fa'] 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_string_new_from_array_harness.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 364b54724e976c015f9881f66521e5c6d863e13e3a8324ac15c0186b650523fa --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 12:05:20,944 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 12:05:21,057 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-07 12:05:21,063 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 12:05:21,063 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 12:05:21,091 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 12:05:21,092 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 12:05:21,092 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 12:05:21,092 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 12:05:21,093 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 12:05:21,093 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 12:05:21,093 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 12:05:21,094 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 12:05:21,094 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 12:05:21,095 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 12:05:21,095 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 12:05:21,095 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 12:05:21,095 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 12:05:21,095 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 12:05:21,095 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 12:05:21,095 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 12:05:21,095 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 12:05:21,095 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 12:05:21,095 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 12:05:21,095 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 12:05:21,095 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 12:05:21,096 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 12:05:21,096 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 12:05:21,096 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 12:05:21,096 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 12:05:21,096 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 12:05:21,096 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 12:05:21,096 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 12:05:21,096 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 12:05:21,096 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 12:05:21,096 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 12:05:21,096 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 12:05:21,096 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 12:05:21,097 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 12:05:21,097 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 -> 364b54724e976c015f9881f66521e5c6d863e13e3a8324ac15c0186b650523fa [2024-11-07 12:05:21,513 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 12:05:21,521 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 12:05:21,524 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 12:05:21,525 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 12:05:21,525 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 12:05:21,527 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_string_new_from_array_harness.i [2024-11-07 12:05:22,964 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 12:05:23,640 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 12:05:23,641 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_string_new_from_array_harness.i [2024-11-07 12:05:23,703 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/2861807b7/326e671a7c9542dba55fec745420fda0/FLAG64b1899f1 [2024-11-07 12:05:23,729 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/2861807b7/326e671a7c9542dba55fec745420fda0 [2024-11-07 12:05:23,733 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 12:05:23,735 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 12:05:23,737 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 12:05:23,738 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 12:05:23,742 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 12:05:23,743 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 12:05:23" (1/1) ... [2024-11-07 12:05:23,746 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44624a3a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:05:23, skipping insertion in model container [2024-11-07 12:05:23,746 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 12:05:23" (1/1) ... [2024-11-07 12:05:23,854 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 12:05:24,161 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_string_new_from_array_harness.i[4499,4512] [2024-11-07 12:05:24,173 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_string_new_from_array_harness.i[4559,4572] [2024-11-07 12:05:24,927 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:05:24,928 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:05:24,929 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:05:24,929 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:05:24,930 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:05:24,940 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:05:24,941 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:05:24,943 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:05:24,943 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:05:25,539 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:05:25,539 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:05:25,684 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 12:05:25,754 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 12:05:25,772 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_string_new_from_array_harness.i[4499,4512] [2024-11-07 12:05:25,773 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_string_new_from_array_harness.i[4559,4572] [2024-11-07 12:05:25,831 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:05:25,831 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:05:25,832 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:05:25,832 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:05:25,832 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:05:25,838 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:05:25,838 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:05:25,839 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:05:25,840 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:05:25,989 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8269] [2024-11-07 12:05:25,991 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:05:25,991 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:05:26,005 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8755-8766] [2024-11-07 12:05:26,038 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 12:05:26,352 INFO L204 MainTranslator]: Completed translation [2024-11-07 12:05:26,354 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:05:26 WrapperNode [2024-11-07 12:05:26,355 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 12:05:26,356 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 12:05:26,356 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 12:05:26,356 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 12:05:26,362 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:05:26" (1/1) ... [2024-11-07 12:05:26,448 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:05:26" (1/1) ... [2024-11-07 12:05:26,529 INFO L138 Inliner]: procedures = 679, calls = 2730, calls flagged for inlining = 58, calls inlined = 6, statements flattened = 791 [2024-11-07 12:05:26,530 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 12:05:26,531 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 12:05:26,531 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 12:05:26,531 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 12:05:26,544 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:05:26" (1/1) ... [2024-11-07 12:05:26,545 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:05:26" (1/1) ... [2024-11-07 12:05:26,554 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:05:26" (1/1) ... [2024-11-07 12:05:26,652 INFO L175 MemorySlicer]: Split 517 memory accesses to 6 slices as follows [2, 257, 238, 5, 13, 2]. 50 percent of accesses are in the largest equivalence class. The 13 initializations are split as follows [2, 0, 6, 5, 0, 0]. The 494 writes are split as follows [0, 257, 232, 0, 4, 1]. [2024-11-07 12:05:26,653 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:05:26" (1/1) ... [2024-11-07 12:05:26,653 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:05:26" (1/1) ... [2024-11-07 12:05:26,717 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:05:26" (1/1) ... [2024-11-07 12:05:26,722 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:05:26" (1/1) ... [2024-11-07 12:05:26,737 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:05:26" (1/1) ... [2024-11-07 12:05:26,751 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:05:26" (1/1) ... [2024-11-07 12:05:26,769 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 12:05:26,770 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 12:05:26,770 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 12:05:26,770 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 12:05:26,771 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:05:26" (1/1) ... [2024-11-07 12:05:26,784 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 12:05:26,802 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 12:05:26,820 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 12:05:26,825 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 12:05:26,849 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_is_valid [2024-11-07 12:05:26,849 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_is_valid [2024-11-07 12:05:26,850 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-07 12:05:26,850 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-07 12:05:26,851 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-07 12:05:26,851 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#0 [2024-11-07 12:05:26,851 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#1 [2024-11-07 12:05:26,851 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#2 [2024-11-07 12:05:26,851 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#3 [2024-11-07 12:05:26,852 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#4 [2024-11-07 12:05:26,852 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#5 [2024-11-07 12:05:26,852 INFO L130 BoogieDeclarations]: Found specification of procedure aws_allocator_is_valid [2024-11-07 12:05:26,852 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_allocator_is_valid [2024-11-07 12:05:26,852 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2024-11-07 12:05:26,852 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2024-11-07 12:05:26,852 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2024-11-07 12:05:26,852 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2024-11-07 12:05:26,852 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2024-11-07 12:05:26,852 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2024-11-07 12:05:26,852 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-07 12:05:26,852 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-07 12:05:26,853 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-07 12:05:26,853 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-07 12:05:26,853 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-07 12:05:26,853 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-07 12:05:26,853 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-07 12:05:26,853 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-07 12:05:26,853 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-07 12:05:26,853 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-07 12:05:26,853 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-07 12:05:26,854 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-07 12:05:26,854 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2024-11-07 12:05:26,854 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2024-11-07 12:05:26,854 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2024-11-07 12:05:26,854 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2024-11-07 12:05:26,854 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2024-11-07 12:05:26,854 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2024-11-07 12:05:26,854 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2024-11-07 12:05:26,854 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2024-11-07 12:05:26,854 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2024-11-07 12:05:26,854 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2024-11-07 12:05:26,854 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2024-11-07 12:05:26,854 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2024-11-07 12:05:26,854 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-11-07 12:05:26,854 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-11-07 12:05:26,854 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-07 12:05:26,854 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-07 12:05:26,854 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-07 12:05:26,854 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 12:05:26,854 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-07 12:05:26,855 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-07 12:05:26,855 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-07 12:05:26,855 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-07 12:05:26,855 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-07 12:05:26,855 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-07 12:05:26,855 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 12:05:26,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 12:05:26,855 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-07 12:05:26,855 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-07 12:05:26,855 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2024-11-07 12:05:26,855 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2024-11-07 12:05:26,855 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-11-07 12:05:26,855 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-11-07 12:05:26,855 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-11-07 12:05:26,855 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-11-07 12:05:26,855 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-11-07 12:05:26,855 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-11-07 12:05:26,855 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-07 12:05:26,855 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-07 12:05:26,855 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-07 12:05:26,855 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-07 12:05:26,856 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-07 12:05:26,856 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-07 12:05:26,856 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2024-11-07 12:05:26,856 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2024-11-07 12:05:26,856 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-07 12:05:26,856 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-07 12:05:26,856 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_acquire [2024-11-07 12:05:26,856 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_acquire [2024-11-07 12:05:26,856 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-07 12:05:26,856 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2024-11-07 12:05:26,856 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2024-11-07 12:05:26,856 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-07 12:05:26,856 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-07 12:05:26,856 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-07 12:05:26,857 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-07 12:05:26,857 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-07 12:05:26,857 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-07 12:05:26,857 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_new_from_array [2024-11-07 12:05:26,858 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_new_from_array [2024-11-07 12:05:26,858 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-07 12:05:26,858 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-07 12:05:26,858 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2024-11-07 12:05:26,858 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2024-11-07 12:05:26,858 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-07 12:05:26,858 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-07 12:05:26,858 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-07 12:05:26,858 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-07 12:05:26,858 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-07 12:05:26,859 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-07 12:05:26,859 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-07 12:05:26,859 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-07 12:05:26,859 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#0 [2024-11-07 12:05:26,859 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#1 [2024-11-07 12:05:26,859 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#2 [2024-11-07 12:05:26,859 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#3 [2024-11-07 12:05:26,859 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#4 [2024-11-07 12:05:26,859 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#5 [2024-11-07 12:05:26,859 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-07 12:05:26,859 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-07 12:05:26,860 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-07 12:05:26,860 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-07 12:05:26,860 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-07 12:05:26,860 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-07 12:05:27,268 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 12:05:27,271 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 12:05:27,484 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##9: assume !true; [2024-11-07 12:05:36,487 INFO L? ?]: Removed 154 outVars from TransFormulas that were not future-live. [2024-11-07 12:05:36,488 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 12:05:36,503 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 12:05:36,504 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-07 12:05:36,504 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 12:05:36 BoogieIcfgContainer [2024-11-07 12:05:36,504 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 12:05:36,507 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 12:05:36,508 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 12:05:36,515 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 12:05:36,515 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 12:05:23" (1/3) ... [2024-11-07 12:05:36,516 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c875e02 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 12:05:36, skipping insertion in model container [2024-11-07 12:05:36,516 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:05:26" (2/3) ... [2024-11-07 12:05:36,517 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c875e02 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 12:05:36, skipping insertion in model container [2024-11-07 12:05:36,517 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 12:05:36" (3/3) ... [2024-11-07 12:05:36,518 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_string_new_from_array_harness.i [2024-11-07 12:05:36,530 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 12:05:36,531 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-07 12:05:36,586 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 12:05:36,596 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;@15af94d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 12:05:36,598 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-07 12:05:36,603 INFO L276 IsEmpty]: Start isEmpty. Operand has 133 states, 83 states have (on average 1.1686746987951808) internal successors, (97), 83 states have internal predecessors, (97), 33 states have call successors, (33), 16 states have call predecessors, (33), 16 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2024-11-07 12:05:36,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-11-07 12:05:36,611 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 12:05:36,612 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 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] [2024-11-07 12:05:36,612 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 12:05:36,615 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 12:05:36,616 INFO L85 PathProgramCache]: Analyzing trace with hash 42078484, now seen corresponding path program 1 times [2024-11-07 12:05:36,622 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 12:05:36,623 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1739458034] [2024-11-07 12:05:36,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 12:05:36,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 12:06:47,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:06:48,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 12:06:48,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:06:48,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-07 12:06:48,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:06:48,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-07 12:06:48,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:06:48,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 12:06:48,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:06:48,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 12:06:48,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:06:48,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-07 12:06:48,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:06:48,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-07 12:06:48,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:06:48,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 12:06:48,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:06:48,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 12:06:48,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:06:49,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-07 12:06:49,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:06:49,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-07 12:06:49,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:06:49,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 12:06:49,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:06:49,274 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2024-11-07 12:06:49,275 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 12:06:49,275 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1739458034] [2024-11-07 12:06:49,275 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1739458034] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 12:06:49,276 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 12:06:49,276 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 12:06:49,277 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [356078522] [2024-11-07 12:06:49,278 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 12:06:49,281 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 12:06:49,282 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 12:06:49,300 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 12:06:49,301 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-07 12:06:49,305 INFO L87 Difference]: Start difference. First operand has 133 states, 83 states have (on average 1.1686746987951808) internal successors, (97), 83 states have internal predecessors, (97), 33 states have call successors, (33), 16 states have call predecessors, (33), 16 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) Second operand has 5 states, 5 states have (on average 6.4) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (13), 5 states have call predecessors, (13), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-07 12:06:53,508 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.19s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-07 12:06:57,982 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.47s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers []