./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_string_compare_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_compare_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', '965d656958c5277ff7b46967a72c2c81e4c2c563a1b6d02990446bd426a67de4'] 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_compare_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 965d656958c5277ff7b46967a72c2c81e4c2c563a1b6d02990446bd426a67de4 --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 12:03:13,500 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 12:03:13,625 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-07 12:03:13,631 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 12:03:13,633 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 12:03:13,665 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 12:03:13,668 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 12:03:13,668 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 12:03:13,669 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 12:03:13,669 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 12:03:13,669 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 12:03:13,670 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 12:03:13,670 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 12:03:13,671 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 12:03:13,671 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 12:03:13,671 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 12:03:13,672 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 12:03:13,672 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 12:03:13,672 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 12:03:13,672 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 12:03:13,672 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 12:03:13,672 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 12:03:13,672 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 12:03:13,672 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 12:03:13,672 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 12:03:13,672 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 12:03:13,672 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 12:03:13,672 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 12:03:13,672 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 12:03:13,672 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 12:03:13,673 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 12:03:13,673 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 12:03:13,673 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 12:03:13,673 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 12:03:13,673 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 12:03:13,673 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 12:03:13,674 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 12:03:13,674 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 12:03:13,674 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 12:03:13,674 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 -> 965d656958c5277ff7b46967a72c2c81e4c2c563a1b6d02990446bd426a67de4 [2024-11-07 12:03:13,984 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 12:03:13,995 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 12:03:13,998 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 12:03:13,999 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 12:03:13,999 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 12:03:14,001 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_string_compare_harness_negated.i [2024-11-07 12:03:15,338 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 12:03:15,840 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 12:03:15,841 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_string_compare_harness_negated.i [2024-11-07 12:03:15,887 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/fbea5cf70/689c03c87f274c3eaed21b3a51417145/FLAGe6798f423 [2024-11-07 12:03:15,910 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/fbea5cf70/689c03c87f274c3eaed21b3a51417145 [2024-11-07 12:03:15,914 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 12:03:15,916 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 12:03:15,919 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 12:03:15,919 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 12:03:15,923 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 12:03:15,924 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 12:03:15" (1/1) ... [2024-11-07 12:03:15,926 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3467d354 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:03:15, skipping insertion in model container [2024-11-07 12:03:15,927 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 12:03:15" (1/1) ... [2024-11-07 12:03:16,025 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 12:03:16,362 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_compare_harness_negated.i[4492,4505] [2024-11-07 12:03:16,373 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_compare_harness_negated.i[4552,4565] [2024-11-07 12:03:17,801 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:03:17,802 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:03:17,803 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:03:17,805 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:03:17,808 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:03:17,832 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:03:17,832 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:03:17,834 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:03:17,837 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:03:18,375 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:03:18,377 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:03:18,474 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 12:03:18,533 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 12:03:18,551 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_compare_harness_negated.i[4492,4505] [2024-11-07 12:03:18,551 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_compare_harness_negated.i[4552,4565] [2024-11-07 12:03:18,601 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:03:18,601 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:03:18,602 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:03:18,602 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:03:18,604 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:03:18,644 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:03:18,646 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:03:18,646 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:03:18,648 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:03:18,763 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8221] [2024-11-07 12:03:18,765 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:03:18,766 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:03:18,780 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8707-8718] [2024-11-07 12:03:18,809 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 12:03:19,102 INFO L204 MainTranslator]: Completed translation [2024-11-07 12:03:19,102 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:03:19 WrapperNode [2024-11-07 12:03:19,103 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 12:03:19,104 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 12:03:19,104 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 12:03:19,104 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 12:03:19,114 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:03:19" (1/1) ... [2024-11-07 12:03:19,204 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:03:19" (1/1) ... [2024-11-07 12:03:19,321 INFO L138 Inliner]: procedures = 682, calls = 2786, calls flagged for inlining = 57, calls inlined = 5, statements flattened = 823 [2024-11-07 12:03:19,323 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 12:03:19,323 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 12:03:19,323 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 12:03:19,323 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 12:03:19,331 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:03:19" (1/1) ... [2024-11-07 12:03:19,332 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:03:19" (1/1) ... [2024-11-07 12:03:19,345 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:03:19" (1/1) ... [2024-11-07 12:03:19,418 INFO L175 MemorySlicer]: Split 529 memory accesses to 6 slices as follows [2, 11, 257, 238, 5, 16]. 49 percent of accesses are in the largest equivalence class. The 29 initializations are split as follows [2, 0, 0, 6, 5, 16]. The 492 writes are split as follows [0, 3, 257, 232, 0, 0]. [2024-11-07 12:03:19,418 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:03:19" (1/1) ... [2024-11-07 12:03:19,418 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:03:19" (1/1) ... [2024-11-07 12:03:19,452 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:03:19" (1/1) ... [2024-11-07 12:03:19,459 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:03:19" (1/1) ... [2024-11-07 12:03:19,469 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:03:19" (1/1) ... [2024-11-07 12:03:19,478 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:03:19" (1/1) ... [2024-11-07 12:03:19,494 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 12:03:19,495 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 12:03:19,496 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 12:03:19,496 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 12:03:19,497 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:03:19" (1/1) ... [2024-11-07 12:03:19,502 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 12:03:19,516 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 12:03:19,529 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 12:03:19,536 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 12:03:19,555 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_is_valid [2024-11-07 12:03:19,555 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_is_valid [2024-11-07 12:03:19,556 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_compare [2024-11-07 12:03:19,556 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_compare [2024-11-07 12:03:19,556 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_string_is_allocated_bounded_length [2024-11-07 12:03:19,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_string_is_allocated_bounded_length [2024-11-07 12:03:19,556 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-07 12:03:19,557 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-07 12:03:19,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-07 12:03:19,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-07 12:03:19,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-07 12:03:19,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-07 12:03:19,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-07 12:03:19,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-07 12:03:19,557 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-07 12:03:19,557 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-07 12:03:19,557 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-07 12:03:19,557 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-07 12:03:19,557 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-07 12:03:19,558 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-07 12:03:19,558 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-07 12:03:19,558 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-07 12:03:19,558 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-07 12:03:19,558 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 12:03:19,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-07 12:03:19,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-07 12:03:19,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-07 12:03:19,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-07 12:03:19,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-07 12:03:19,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-07 12:03:19,559 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 12:03:19,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 12:03:19,559 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-07 12:03:19,559 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-07 12:03:19,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-07 12:03:19,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-07 12:03:19,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-07 12:03:19,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-07 12:03:19,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-07 12:03:19,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-07 12:03:19,560 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_bytes [2024-11-07 12:03:19,560 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_bytes [2024-11-07 12:03:19,560 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-07 12:03:19,560 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-07 12:03:19,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-07 12:03:19,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-07 12:03:19,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-07 12:03:19,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-07 12:03:19,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-07 12:03:19,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-07 12:03:19,560 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-07 12:03:19,560 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-07 12:03:19,560 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-07 12:03:19,560 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-07 12:03:19,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-07 12:03:19,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-07 12:03:19,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-07 12:03:19,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-07 12:03:19,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-07 12:03:19,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-07 12:03:19,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-07 12:03:19,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-07 12:03:19,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-07 12:03:19,561 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-07 12:03:19,561 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-07 12:03:19,561 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-07 12:03:19,878 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 12:03:19,880 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 12:03:27,912 INFO L? ?]: Removed 81 outVars from TransFormulas that were not future-live. [2024-11-07 12:03:27,912 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 12:03:27,922 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 12:03:27,922 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-07 12:03:27,923 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 12:03:27 BoogieIcfgContainer [2024-11-07 12:03:27,923 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 12:03:27,926 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 12:03:27,926 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 12:03:27,931 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 12:03:27,931 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 12:03:15" (1/3) ... [2024-11-07 12:03:27,932 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4cdc879a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 12:03:27, skipping insertion in model container [2024-11-07 12:03:27,932 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:03:19" (2/3) ... [2024-11-07 12:03:27,932 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4cdc879a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 12:03:27, skipping insertion in model container [2024-11-07 12:03:27,932 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 12:03:27" (3/3) ... [2024-11-07 12:03:27,933 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_string_compare_harness_negated.i [2024-11-07 12:03:27,947 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 12:03:27,948 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-07 12:03:28,005 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 12:03:28,019 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;@79706716, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 12:03:28,019 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-07 12:03:28,028 INFO L276 IsEmpty]: Start isEmpty. Operand has 121 states, 76 states have (on average 1.2763157894736843) internal successors, (97), 77 states have internal predecessors, (97), 33 states have call successors, (33), 10 states have call predecessors, (33), 10 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2024-11-07 12:03:28,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-07 12:03:28,038 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 12:03:28,039 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 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] [2024-11-07 12:03:28,042 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 12:03:28,047 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 12:03:28,048 INFO L85 PathProgramCache]: Analyzing trace with hash 127762490, now seen corresponding path program 1 times [2024-11-07 12:03:28,055 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 12:03:28,056 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1796271833] [2024-11-07 12:03:28,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 12:03:28,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 12:04:41,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:04:42,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 12:04:42,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:04:42,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-07 12:04:42,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:04:42,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-07 12:04:42,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:04:42,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-07 12:04:42,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:04:42,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-07 12:04:42,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:04:42,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 12:04:42,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:04:42,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-07 12:04:42,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:04:42,627 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-07 12:04:42,627 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 12:04:42,628 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1796271833] [2024-11-07 12:04:42,628 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1796271833] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 12:04:42,629 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 12:04:42,629 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 12:04:42,630 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1684721380] [2024-11-07 12:04:42,631 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 12:04:42,634 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-07 12:04:42,635 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 12:04:42,657 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-07 12:04:42,660 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-07 12:04:42,664 INFO L87 Difference]: Start difference. First operand has 121 states, 76 states have (on average 1.2763157894736843) internal successors, (97), 77 states have internal predecessors, (97), 33 states have call successors, (33), 10 states have call predecessors, (33), 10 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) Second operand has 2 states, 2 states have (on average 13.0) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-07 12:04:42,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 12:04:42,708 INFO L93 Difference]: Finished difference Result 237 states and 336 transitions. [2024-11-07 12:04:42,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-07 12:04:42,712 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 13.0) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 50 [2024-11-07 12:04:42,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 12:04:42,721 INFO L225 Difference]: With dead ends: 237 [2024-11-07 12:04:42,722 INFO L226 Difference]: Without dead ends: 116 [2024-11-07 12:04:42,728 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-07 12:04:42,734 INFO L432 NwaCegarLoop]: 161 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 161 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 12:04:42,738 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 161 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 12:04:42,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2024-11-07 12:04:42,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 116. [2024-11-07 12:04:42,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116 states, 72 states have (on average 1.25) internal successors, (90), 73 states have internal predecessors, (90), 33 states have call successors, (33), 10 states have call predecessors, (33), 10 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2024-11-07 12:04:42,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 155 transitions. [2024-11-07 12:04:42,793 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 155 transitions. Word has length 50 [2024-11-07 12:04:42,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 12:04:42,796 INFO L471 AbstractCegarLoop]: Abstraction has 116 states and 155 transitions. [2024-11-07 12:04:42,796 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 13.0) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-07 12:04:42,796 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 155 transitions. [2024-11-07 12:04:42,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-07 12:04:42,798 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 12:04:42,798 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 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] [2024-11-07 12:04:42,799 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-07 12:04:42,799 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 12:04:42,800 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 12:04:42,800 INFO L85 PathProgramCache]: Analyzing trace with hash -460652934, now seen corresponding path program 1 times [2024-11-07 12:04:42,800 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 12:04:42,800 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1862701922] [2024-11-07 12:04:42,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 12:04:42,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms