./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_string_new_from_c_str_harness_negated.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4f9af400 extending candidate: java ['java'] extending candidate: /usr/bin/java ['java', '/usr/bin/java'] extending candidate: /opt/oracle-jdk-bin-*/bin/java ['java', '/usr/bin/java'] extending candidate: /opt/openjdk-*/bin/java ['java', '/usr/bin/java'] extending candidate: /usr/lib/jvm/java-*-openjdk-amd64/bin/java ['java', '/usr/bin/java', '/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java', '/usr/lib/jvm/java-17-openjdk-amd64/bin/java', '/usr/lib/jvm/java-11-openjdk-amd64/bin/java', '/usr/lib/jvm/java-1.17.0-openjdk-amd64/bin/java'] ['/root/.sdkman/candidates/java/21.0.5-tem/bin/java', '-Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config', '-Xmx15G', '-Xms4m', '-jar', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar', '-data', '@noDefault', '-ultimatedata', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data', '-tc', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml', '-i', '../sv-benchmarks/c/aws-c-common/aws_string_new_from_c_str_harness_negated.i', '-s', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf', '--cacsl2boogietranslator.entry.function', 'main', '--witnessprinter.witness.directory', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux', '--witnessprinter.witness.filename', 'witness', '--witnessprinter.write.witness.besides.input.file', 'false', '--witnessprinter.graph.data.specification', 'CHECK( init(main()), LTL(G ! call(reach_error())) )\n\n', '--witnessprinter.graph.data.producer', 'Automizer', '--witnessprinter.graph.data.architecture', '64bit', '--witnessprinter.graph.data.programhash', 'a5910cea77a565141d916d1fcbedfa046ab56f15dda6ed8f11c344bfa9c73fe2'] 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_c_str_harness_negated.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash a5910cea77a565141d916d1fcbedfa046ab56f15dda6ed8f11c344bfa9c73fe2 --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 12:05:35,295 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 12:05:35,364 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-07 12:05:35,370 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 12:05:35,371 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 12:05:35,396 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 12:05:35,397 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 12:05:35,397 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 12:05:35,397 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 12:05:35,397 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 12:05:35,397 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 12:05:35,398 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 12:05:35,398 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 12:05:35,398 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 12:05:35,398 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 12:05:35,398 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 12:05:35,400 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 12:05:35,401 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 12:05:35,401 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 12:05:35,402 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 12:05:35,402 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 12:05:35,402 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 12:05:35,402 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 12:05:35,402 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 12:05:35,402 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 12:05:35,402 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 12:05:35,402 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 12:05:35,402 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 12:05:35,402 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 12:05:35,402 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 12:05:35,403 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 12:05:35,403 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 12:05:35,403 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 12:05:35,403 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 12:05:35,403 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 12:05:35,403 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 12:05:35,403 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 12:05:35,404 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 12:05:35,404 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 12:05:35,404 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 -> a5910cea77a565141d916d1fcbedfa046ab56f15dda6ed8f11c344bfa9c73fe2 [2024-11-07 12:05:35,644 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 12:05:35,651 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 12:05:35,653 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 12:05:35,654 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 12:05:35,654 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 12:05:35,655 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_string_new_from_c_str_harness_negated.i [2024-11-07 12:05:36,915 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 12:05:37,502 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 12:05:37,503 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_string_new_from_c_str_harness_negated.i [2024-11-07 12:05:37,537 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/2448482fc/0983202697ea4f13bacfac58e09ec0b6/FLAG3af2db6d7 [2024-11-07 12:05:38,035 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/2448482fc/0983202697ea4f13bacfac58e09ec0b6 [2024-11-07 12:05:38,038 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 12:05:38,040 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 12:05:38,042 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 12:05:38,042 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 12:05:38,045 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 12:05:38,046 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 12:05:38" (1/1) ... [2024-11-07 12:05:38,048 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ea35f66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:05:38, skipping insertion in model container [2024-11-07 12:05:38,049 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 12:05:38" (1/1) ... [2024-11-07 12:05:38,120 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 12:05:38,370 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_c_str_harness_negated.i[4499,4512] [2024-11-07 12:05:38,378 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_c_str_harness_negated.i[4559,4572] [2024-11-07 12:05:39,053 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:05:39,053 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:05:39,054 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:05:39,057 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:05:39,058 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:05:39,067 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:05:39,070 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:05:39,073 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:05:39,078 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:05:39,577 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:05:39,578 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:05:39,643 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 12:05:39,679 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 12:05:39,694 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_c_str_harness_negated.i[4499,4512] [2024-11-07 12:05:39,694 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_c_str_harness_negated.i[4559,4572] [2024-11-07 12:05:39,733 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:05:39,733 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:05:39,733 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:05:39,734 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:05:39,734 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:05:39,738 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:05:39,738 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:05:39,739 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:05:39,739 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:05:39,893 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8237] [2024-11-07 12:05:39,895 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:05:39,896 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:05:39,910 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8723-8734] [2024-11-07 12:05:39,930 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 12:05:40,135 INFO L204 MainTranslator]: Completed translation [2024-11-07 12:05:40,149 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:05:40 WrapperNode [2024-11-07 12:05:40,150 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 12:05:40,152 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 12:05:40,156 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 12:05:40,156 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 12:05:40,162 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:05:40" (1/1) ... [2024-11-07 12:05:40,260 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:05:40" (1/1) ... [2024-11-07 12:05:40,347 INFO L138 Inliner]: procedures = 679, calls = 2728, calls flagged for inlining = 62, calls inlined = 9, statements flattened = 815 [2024-11-07 12:05:40,347 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 12:05:40,348 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 12:05:40,348 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 12:05:40,348 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 12:05:40,372 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:05:40" (1/1) ... [2024-11-07 12:05:40,373 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:05:40" (1/1) ... [2024-11-07 12:05:40,382 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:05:40" (1/1) ... [2024-11-07 12:05:40,452 INFO L175 MemorySlicer]: Split 518 memory accesses to 6 slices as follows [2, 5, 257, 238, 2, 14]. 50 percent of accesses are in the largest equivalence class. The 13 initializations are split as follows [2, 5, 0, 6, 0, 0]. The 494 writes are split as follows [0, 0, 257, 232, 1, 4]. [2024-11-07 12:05:40,453 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:05:40" (1/1) ... [2024-11-07 12:05:40,453 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:05:40" (1/1) ... [2024-11-07 12:05:40,505 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:05:40" (1/1) ... [2024-11-07 12:05:40,513 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:05:40" (1/1) ... [2024-11-07 12:05:40,532 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:05:40" (1/1) ... [2024-11-07 12:05:40,540 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:05:40" (1/1) ... [2024-11-07 12:05:40,560 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 12:05:40,561 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 12:05:40,561 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 12:05:40,562 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 12:05:40,563 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:05:40" (1/1) ... [2024-11-07 12:05:40,570 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 12:05:40,583 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 12:05:40,598 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 12:05:40,603 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 12:05:40,619 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_is_valid [2024-11-07 12:05:40,619 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_is_valid [2024-11-07 12:05:40,619 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-07 12:05:40,619 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-07 12:05:40,619 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-07 12:05:40,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#0 [2024-11-07 12:05:40,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#1 [2024-11-07 12:05:40,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#2 [2024-11-07 12:05:40,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#3 [2024-11-07 12:05:40,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#4 [2024-11-07 12:05:40,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#5 [2024-11-07 12:05:40,620 INFO L130 BoogieDeclarations]: Found specification of procedure aws_allocator_is_valid [2024-11-07 12:05:40,620 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_allocator_is_valid [2024-11-07 12:05:40,620 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2024-11-07 12:05:40,620 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2024-11-07 12:05:40,620 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2024-11-07 12:05:40,620 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2024-11-07 12:05:40,620 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2024-11-07 12:05:40,620 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2024-11-07 12:05:40,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-07 12:05:40,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-07 12:05:40,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-07 12:05:40,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-07 12:05:40,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-07 12:05:40,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-07 12:05:40,620 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-07 12:05:40,620 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-07 12:05:40,620 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-07 12:05:40,620 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-07 12:05:40,620 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-07 12:05:40,620 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-07 12:05:40,620 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2024-11-07 12:05:40,620 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2024-11-07 12:05:40,620 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2024-11-07 12:05:40,620 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2024-11-07 12:05:40,621 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2024-11-07 12:05:40,621 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2024-11-07 12:05:40,621 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2024-11-07 12:05:40,621 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2024-11-07 12:05:40,621 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2024-11-07 12:05:40,621 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2024-11-07 12:05:40,621 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2024-11-07 12:05:40,621 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2024-11-07 12:05:40,621 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-11-07 12:05:40,621 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-11-07 12:05:40,621 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-07 12:05:40,621 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-07 12:05:40,621 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-07 12:05:40,621 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 12:05:40,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-07 12:05:40,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-07 12:05:40,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-07 12:05:40,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-07 12:05:40,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-07 12:05:40,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-07 12:05:40,621 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 12:05:40,621 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 12:05:40,621 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-07 12:05:40,621 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-07 12:05:40,621 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-11-07 12:05:40,621 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-11-07 12:05:40,621 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-11-07 12:05:40,621 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-11-07 12:05:40,621 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-11-07 12:05:40,621 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-11-07 12:05:40,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-07 12:05:40,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-07 12:05:40,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-07 12:05:40,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-07 12:05:40,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-07 12:05:40,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-07 12:05:40,622 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2024-11-07 12:05:40,622 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2024-11-07 12:05:40,622 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-07 12:05:40,622 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-07 12:05:40,622 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_acquire [2024-11-07 12:05:40,622 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_acquire [2024-11-07 12:05:40,622 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-07 12:05:40,622 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2024-11-07 12:05:40,622 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2024-11-07 12:05:40,622 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-07 12:05:40,622 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-07 12:05:40,622 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-07 12:05:40,622 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-07 12:05:40,622 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-07 12:05:40,622 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-07 12:05:40,622 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_new_from_array [2024-11-07 12:05:40,622 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_new_from_array [2024-11-07 12:05:40,622 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-07 12:05:40,622 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-07 12:05:40,622 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2024-11-07 12:05:40,622 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2024-11-07 12:05:40,622 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-07 12:05:40,622 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-07 12:05:40,622 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-07 12:05:40,622 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-07 12:05:40,622 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-07 12:05:40,622 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-07 12:05:40,622 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-07 12:05:40,622 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-07 12:05:40,622 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#0 [2024-11-07 12:05:40,622 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#1 [2024-11-07 12:05:40,622 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#2 [2024-11-07 12:05:40,622 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#3 [2024-11-07 12:05:40,622 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#4 [2024-11-07 12:05:40,622 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#5 [2024-11-07 12:05:40,622 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-07 12:05:40,622 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-07 12:05:40,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-07 12:05:40,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-07 12:05:40,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-07 12:05:40,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-07 12:05:40,959 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 12:05:40,962 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 12:05:41,128 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##9: assume !true; [2024-11-07 12:05:48,842 INFO L? ?]: Removed 174 outVars from TransFormulas that were not future-live. [2024-11-07 12:05:48,842 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 12:05:48,856 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 12:05:48,856 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-07 12:05:48,856 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 12:05:48 BoogieIcfgContainer [2024-11-07 12:05:48,856 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 12:05:48,860 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 12:05:48,860 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 12:05:48,864 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 12:05:48,864 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 12:05:38" (1/3) ... [2024-11-07 12:05:48,865 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@395ecb3e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 12:05:48, skipping insertion in model container [2024-11-07 12:05:48,866 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:05:40" (2/3) ... [2024-11-07 12:05:48,866 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@395ecb3e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 12:05:48, skipping insertion in model container [2024-11-07 12:05:48,866 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 12:05:48" (3/3) ... [2024-11-07 12:05:48,868 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_string_new_from_c_str_harness_negated.i [2024-11-07 12:05:48,880 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 12:05:48,881 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-07 12:05:48,933 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 12:05:48,945 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;@47b9e412, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 12:05:48,945 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-07 12:05:48,949 INFO L276 IsEmpty]: Start isEmpty. Operand has 137 states, 87 states have (on average 1.160919540229885) internal successors, (101), 87 states have internal predecessors, (101), 34 states have call successors, (34), 15 states have call predecessors, (34), 15 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-07 12:05:48,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-11-07 12:05:48,956 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 12:05:48,957 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:05:48,958 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 12:05:48,961 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 12:05:48,962 INFO L85 PathProgramCache]: Analyzing trace with hash 1565145841, now seen corresponding path program 1 times [2024-11-07 12:05:48,968 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 12:05:48,968 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1695464116] [2024-11-07 12:05:48,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 12:05:48,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 12:07:02,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:07:03,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 12:07:03,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:07:03,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-07 12:07:03,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:07:03,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-07 12:07:03,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:07:03,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 12:07:03,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:07:03,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 12:07:03,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:07:03,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-07 12:07:03,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:07:03,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-07 12:07:03,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:07:04,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-07 12:07:04,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:07:04,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 12:07:04,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:07:04,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-07 12:07:04,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:07:04,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-07 12:07:04,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:07:04,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 12:07:04,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:07:04,323 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-07 12:07:04,324 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 12:07:04,324 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1695464116] [2024-11-07 12:07:04,325 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1695464116] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 12:07:04,325 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 12:07:04,325 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 12:07:04,326 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [160967887] [2024-11-07 12:07:04,327 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 12:07:04,330 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 12:07:04,331 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 12:07:04,348 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 12:07:04,349 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-07 12:07:04,351 INFO L87 Difference]: Start difference. First operand has 137 states, 87 states have (on average 1.160919540229885) internal successors, (101), 87 states have internal predecessors, (101), 34 states have call successors, (34), 15 states have call predecessors, (34), 15 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) Second operand has 5 states, 5 states have (on average 7.0) internal successors, (35), 2 states have internal predecessors, (35), 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 12:07:08,523 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-07 12:07:13,024 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.50s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-07 12:07:17,512 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.48s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-07 12:07:20,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 12:07:20,669 INFO L93 Difference]: Finished difference Result 288 states and 375 transitions. [2024-11-07 12:07:20,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 12:07:20,675 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 2 states have internal predecessors, (35), 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) Word has length 75 [2024-11-07 12:07:20,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 12:07:20,681 INFO L225 Difference]: With dead ends: 288 [2024-11-07 12:07:20,681 INFO L226 Difference]: Without dead ends: 151 [2024-11-07 12:07:20,684 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2024-11-07 12:07:20,686 INFO L432 NwaCegarLoop]: 82 mSDtfsCounter, 177 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 158 mSolverCounterSat, 129 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 186 SdHoareTripleChecker+Valid, 151 SdHoareTripleChecker+Invalid, 290 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 129 IncrementalHoareTripleChecker+Valid, 158 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.0s IncrementalHoareTripleChecker+Time [2024-11-07 12:07:20,687 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [186 Valid, 151 Invalid, 290 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [129 Valid, 158 Invalid, 3 Unknown, 0 Unchecked, 16.0s Time] [2024-11-07 12:07:20,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states.