./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_buf_write_from_whole_buffer_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_byte_buf_write_from_whole_buffer_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', 'cab1c092802d28f475b8a467f14dab6a3f796dc1a4441d8517361eeec98aa4cb'] 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_byte_buf_write_from_whole_buffer_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 cab1c092802d28f475b8a467f14dab6a3f796dc1a4441d8517361eeec98aa4cb --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 11:47:35,952 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 11:47:36,049 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-07 11:47:36,054 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 11:47:36,055 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 11:47:36,085 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 11:47:36,088 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 11:47:36,088 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 11:47:36,088 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 11:47:36,089 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 11:47:36,089 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 11:47:36,089 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 11:47:36,090 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 11:47:36,090 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 11:47:36,090 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 11:47:36,090 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 11:47:36,091 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 11:47:36,091 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 11:47:36,091 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 11:47:36,091 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 11:47:36,091 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 11:47:36,091 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 11:47:36,091 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 11:47:36,091 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 11:47:36,092 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 11:47:36,092 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 11:47:36,092 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 11:47:36,092 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 11:47:36,092 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 11:47:36,092 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 11:47:36,092 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 11:47:36,092 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 11:47:36,092 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 11:47:36,092 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 11:47:36,092 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 11:47:36,092 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 11:47:36,092 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 11:47:36,092 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 11:47:36,092 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 11:47:36,093 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 -> cab1c092802d28f475b8a467f14dab6a3f796dc1a4441d8517361eeec98aa4cb [2024-11-07 11:47:36,363 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 11:47:36,370 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 11:47:36,372 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 11:47:36,372 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 11:47:36,373 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 11:47:36,373 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_buf_write_from_whole_buffer_harness-1.i [2024-11-07 11:47:37,647 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 11:47:38,136 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 11:47:38,137 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_from_whole_buffer_harness-1.i [2024-11-07 11:47:38,168 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/a1c135cf4/cbaf3ddbcb0440a3919a2fe762aab5ee/FLAG80b98dac8 [2024-11-07 11:47:38,186 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/a1c135cf4/cbaf3ddbcb0440a3919a2fe762aab5ee [2024-11-07 11:47:38,188 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 11:47:38,190 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 11:47:38,193 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 11:47:38,193 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 11:47:38,197 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 11:47:38,197 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 11:47:38" (1/1) ... [2024-11-07 11:47:38,198 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f71df3b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:47:38, skipping insertion in model container [2024-11-07 11:47:38,200 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 11:47:38" (1/1) ... [2024-11-07 11:47:38,280 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 11:47:38,497 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_from_whole_buffer_harness-1.i[4510,4523] [2024-11-07 11:47:38,504 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_byte_buf_write_from_whole_buffer_harness-1.i[4570,4583] [2024-11-07 11:47:39,079 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:47:39,080 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:47:39,080 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:47:39,081 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:47:39,082 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:47:39,097 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:47:39,098 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:47:39,099 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:47:39,100 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:47:39,578 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:47:39,579 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:47:39,642 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 11:47:39,690 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 11:47:39,704 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_byte_buf_write_from_whole_buffer_harness-1.i[4510,4523] [2024-11-07 11:47:39,708 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_byte_buf_write_from_whole_buffer_harness-1.i[4570,4583] [2024-11-07 11:47:39,744 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:47:39,745 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:47:39,745 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:47:39,747 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:47:39,747 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:47:39,755 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:47:39,758 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:47:39,759 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:47:39,759 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:47:39,917 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8291] [2024-11-07 11:47:39,920 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:47:39,920 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:47:39,932 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8777-8788] [2024-11-07 11:47:39,948 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 11:47:40,173 INFO L204 MainTranslator]: Completed translation [2024-11-07 11:47:40,174 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:47:40 WrapperNode [2024-11-07 11:47:40,175 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 11:47:40,176 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 11:47:40,176 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 11:47:40,176 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 11:47:40,182 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:47:40" (1/1) ... [2024-11-07 11:47:40,270 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:47:40" (1/1) ... [2024-11-07 11:47:40,362 INFO L138 Inliner]: procedures = 680, calls = 2662, calls flagged for inlining = 58, calls inlined = 5, statements flattened = 900 [2024-11-07 11:47:40,363 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 11:47:40,364 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 11:47:40,364 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 11:47:40,364 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 11:47:40,375 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:47:40" (1/1) ... [2024-11-07 11:47:40,375 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:47:40" (1/1) ... [2024-11-07 11:47:40,385 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:47:40" (1/1) ... [2024-11-07 11:47:40,471 INFO L175 MemorySlicer]: Split 592 memory accesses to 5 slices as follows [257, 2, 78, 6, 249]. 43 percent of accesses are in the largest equivalence class. The 29 initializations are split as follows [0, 2, 16, 0, 11]. The 499 writes are split as follows [257, 0, 7, 2, 233]. [2024-11-07 11:47:40,472 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:47:40" (1/1) ... [2024-11-07 11:47:40,473 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:47:40" (1/1) ... [2024-11-07 11:47:40,518 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:47:40" (1/1) ... [2024-11-07 11:47:40,527 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:47:40" (1/1) ... [2024-11-07 11:47:40,534 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:47:40" (1/1) ... [2024-11-07 11:47:40,537 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:47:40" (1/1) ... [2024-11-07 11:47:40,546 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 11:47:40,547 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 11:47:40,547 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 11:47:40,547 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 11:47:40,548 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:47:40" (1/1) ... [2024-11-07 11:47:40,557 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 11:47:40,577 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 11:47:40,591 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 11:47:40,597 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 11:47:40,619 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2024-11-07 11:47:40,620 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2024-11-07 11:47:40,620 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-07 11:47:40,620 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-07 11:47:40,621 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-07 11:47:40,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-07 11:47:40,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-07 11:47:40,622 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-07 11:47:40,622 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-07 11:47:40,622 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-07 11:47:40,622 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-07 11:47:40,622 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-07 11:47:40,622 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-07 11:47:40,622 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-07 11:47:40,622 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-07 11:47:40,623 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-07 11:47:40,623 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-07 11:47:40,623 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-07 11:47:40,623 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 11:47:40,623 INFO L130 BoogieDeclarations]: Found specification of procedure save_byte_from_array [2024-11-07 11:47:40,623 INFO L138 BoogieDeclarations]: Found implementation of procedure save_byte_from_array [2024-11-07 11:47:40,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-07 11:47:40,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-07 11:47:40,624 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-07 11:47:40,624 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-07 11:47:40,624 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-07 11:47:40,625 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2024-11-07 11:47:40,625 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2024-11-07 11:47:40,625 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_byte_buf_has_allocated_buffer_member [2024-11-07 11:47:40,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_byte_buf_has_allocated_buffer_member [2024-11-07 11:47:40,625 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 11:47:40,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 11:47:40,625 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-07 11:47:40,625 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-07 11:47:40,625 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2024-11-07 11:47:40,625 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2024-11-07 11:47:40,625 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2024-11-07 11:47:40,625 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2024-11-07 11:47:40,625 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-07 11:47:40,625 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-07 11:47:40,625 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-07 11:47:40,625 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-07 11:47:40,625 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-07 11:47:40,625 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-07 11:47:40,625 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-07 11:47:40,625 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2024-11-07 11:47:40,625 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2024-11-07 11:47:40,625 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-07 11:47:40,626 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-07 11:47:40,626 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-07 11:47:40,626 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-07 11:47:40,627 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-07 11:47:40,628 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-07 11:47:40,628 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_write [2024-11-07 11:47:40,628 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_write [2024-11-07 11:47:40,628 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-07 11:47:40,628 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-07 11:47:40,628 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-07 11:47:40,628 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-07 11:47:40,628 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-07 11:47:40,628 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-07 11:47:40,628 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-07 11:47:40,628 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-07 11:47:40,628 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-07 11:47:40,628 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_bounded [2024-11-07 11:47:40,628 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_bounded [2024-11-07 11:47:40,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-07 11:47:40,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-07 11:47:40,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-07 11:47:40,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-07 11:47:40,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-07 11:47:40,629 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_buf_equivalence [2024-11-07 11:47:40,629 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_buf_equivalence [2024-11-07 11:47:40,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-07 11:47:40,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-07 11:47:40,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-07 11:47:40,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-07 11:47:40,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-07 11:47:40,999 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 11:47:41,003 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 11:47:49,462 INFO L? ?]: Removed 115 outVars from TransFormulas that were not future-live. [2024-11-07 11:47:49,463 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 11:47:49,478 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 11:47:49,480 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-07 11:47:49,480 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 11:47:49 BoogieIcfgContainer [2024-11-07 11:47:49,481 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 11:47:49,482 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 11:47:49,482 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 11:47:49,487 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 11:47:49,487 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 11:47:38" (1/3) ... [2024-11-07 11:47:49,487 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7cfa1a83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 11:47:49, skipping insertion in model container [2024-11-07 11:47:49,488 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:47:40" (2/3) ... [2024-11-07 11:47:49,488 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7cfa1a83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 11:47:49, skipping insertion in model container [2024-11-07 11:47:49,488 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 11:47:49" (3/3) ... [2024-11-07 11:47:49,489 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_write_from_whole_buffer_harness-1.i [2024-11-07 11:47:49,501 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 11:47:49,501 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-07 11:47:49,549 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 11:47:49,560 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;@5d7176dd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 11:47:49,560 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-07 11:47:49,566 INFO L276 IsEmpty]: Start isEmpty. Operand has 187 states, 111 states have (on average 1.2072072072072073) internal successors, (134), 113 states have internal predecessors, (134), 58 states have call successors, (58), 16 states have call predecessors, (58), 16 states have return successors, (58), 58 states have call predecessors, (58), 58 states have call successors, (58) [2024-11-07 11:47:49,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2024-11-07 11:47:49,581 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 11:47:49,582 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 6, 6, 6, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 11:47:49,583 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 11:47:49,587 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 11:47:49,588 INFO L85 PathProgramCache]: Analyzing trace with hash 1289631181, now seen corresponding path program 1 times [2024-11-07 11:47:49,595 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 11:47:49,595 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1065007090] [2024-11-07 11:47:49,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 11:47:49,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 11:48:59,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:49:00,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 11:49:00,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:49:00,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-07 11:49:00,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:49:00,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-07 11:49:00,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:49:00,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 11:49:00,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:49:00,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-07 11:49:00,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:49:00,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-07 11:49:00,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:49:01,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 11:49:01,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:49:01,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 11:49:01,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:49:01,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-07 11:49:01,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:49:01,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 11:49:01,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:49:01,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-07 11:49:01,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:49:01,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 11:49:01,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:49:01,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 11:49:01,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:49:01,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-07 11:49:01,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:49:01,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-07 11:49:01,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:49:01,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 11:49:01,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:49:01,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-07 11:49:01,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:49:01,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 11:49:01,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:49:01,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-07 11:49:01,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:49:01,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-07 11:49:01,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:49:01,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-07 11:49:01,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:49:01,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-07 11:49:01,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:49:01,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 11:49:01,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:49:01,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-07 11:49:01,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:49:01,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-07 11:49:01,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:49:01,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-07 11:49:01,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:49:01,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-07 11:49:01,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:49:01,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-07 11:49:01,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:49:01,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-07 11:49:01,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:49:01,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-07 11:49:01,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:49:01,591 INFO L134 CoverageAnalysis]: Checked inductivity of 296 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 296 trivial. 0 not checked. [2024-11-07 11:49:01,591 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 11:49:01,592 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1065007090] [2024-11-07 11:49:01,592 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1065007090] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 11:49:01,592 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 11:49:01,593 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 11:49:01,594 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1200207762] [2024-11-07 11:49:01,595 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 11:49:01,600 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 11:49:01,600 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 11:49:01,618 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 11:49:01,619 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-07 11:49:01,622 INFO L87 Difference]: Start difference. First operand has 187 states, 111 states have (on average 1.2072072072072073) internal successors, (134), 113 states have internal predecessors, (134), 58 states have call successors, (58), 16 states have call predecessors, (58), 16 states have return successors, (58), 58 states have call predecessors, (58), 58 states have call successors, (58) Second operand has 5 states, 5 states have (on average 9.2) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (29), 5 states have call predecessors, (29), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2024-11-07 11:49:05,825 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.19s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-07 11:49:10,362 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.53s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-07 11:49:15,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 11:49:15,874 INFO L93 Difference]: Finished difference Result 374 states and 536 transitions. [2024-11-07 11:49:15,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 11:49:15,877 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (29), 5 states have call predecessors, (29), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 176 [2024-11-07 11:49:15,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 11:49:15,883 INFO L225 Difference]: With dead ends: 374 [2024-11-07 11:49:15,883 INFO L226 Difference]: Without dead ends: 194 [2024-11-07 11:49:15,887 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-07 11:49:15,890 INFO L432 NwaCegarLoop]: 105 mSDtfsCounter, 200 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 298 mSolverCounterSat, 164 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 201 SdHoareTripleChecker+Valid, 189 SdHoareTripleChecker+Invalid, 464 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 164 IncrementalHoareTripleChecker+Valid, 298 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.5s IncrementalHoareTripleChecker+Time [2024-11-07 11:49:15,890 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [201 Valid, 189 Invalid, 464 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [164 Valid, 298 Invalid, 2 Unknown, 0 Unchecked, 13.5s Time] [2024-11-07 11:49:15,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194 states. [2024-11-07 11:49:15,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 182. [2024-11-07 11:49:15,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 182 states, 107 states have (on average 1.1869158878504673) internal successors, (127), 109 states have internal predecessors, (127), 58 states have call successors, (58), 16 states have call predecessors, (58), 16 states have return successors, (57), 57 states have call predecessors, (57), 57 states have call successors, (57) [2024-11-07 11:49:15,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 242 transitions. [2024-11-07 11:49:15,941 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 242 transitions. Word has length 176 [2024-11-07 11:49:15,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 11:49:15,943 INFO L471 AbstractCegarLoop]: Abstraction has 182 states and 242 transitions. [2024-11-07 11:49:15,943 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (29), 5 states have call predecessors, (29), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2024-11-07 11:49:15,943 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 242 transitions. [2024-11-07 11:49:15,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2024-11-07 11:49:15,946 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 11:49:15,946 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 6, 6, 6, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 11:49:15,946 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-07 11:49:15,946 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 11:49:15,947 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 11:49:15,947 INFO L85 PathProgramCache]: Analyzing trace with hash -885041659, now seen corresponding path program 1 times [2024-11-07 11:49:15,947 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 11:49:15,947 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [695009868] [2024-11-07 11:49:15,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 11:49:15,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms