./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_array_eq_c_str_harness_negated.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4f9af400 extending candidate: java ['java'] extending candidate: /usr/bin/java ['java', '/usr/bin/java'] extending candidate: /opt/oracle-jdk-bin-*/bin/java ['java', '/usr/bin/java'] extending candidate: /opt/openjdk-*/bin/java ['java', '/usr/bin/java'] extending candidate: /usr/lib/jvm/java-*-openjdk-amd64/bin/java ['java', '/usr/bin/java', '/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java', '/usr/lib/jvm/java-17-openjdk-amd64/bin/java', '/usr/lib/jvm/java-11-openjdk-amd64/bin/java', '/usr/lib/jvm/java-1.17.0-openjdk-amd64/bin/java'] ['/root/.sdkman/candidates/java/21.0.5-tem/bin/java', '-Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config', '-Xmx15G', '-Xms4m', '-jar', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar', '-data', '@noDefault', '-ultimatedata', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data', '-tc', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml', '-i', '../sv-benchmarks/c/aws-c-common/aws_array_eq_c_str_harness_negated.i', '-s', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf', '--cacsl2boogietranslator.entry.function', 'main', '--witnessprinter.witness.directory', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux', '--witnessprinter.witness.filename', 'witness', '--witnessprinter.write.witness.besides.input.file', 'false', '--witnessprinter.graph.data.specification', 'CHECK( init(main()), LTL(G ! call(reach_error())) )\n\n', '--witnessprinter.graph.data.producer', 'Automizer', '--witnessprinter.graph.data.architecture', '64bit', '--witnessprinter.graph.data.programhash', 'b62eef3129e91aaac3acc29e5a183350b87388a8c6b16bdbf751f7e8be177f34'] 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_array_eq_c_str_harness_negated.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash b62eef3129e91aaac3acc29e5a183350b87388a8c6b16bdbf751f7e8be177f34 --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 11:35:54,057 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 11:35:54,154 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-07 11:35:54,159 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 11:35:54,160 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 11:35:54,198 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 11:35:54,199 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 11:35:54,200 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 11:35:54,200 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 11:35:54,201 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 11:35:54,201 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 11:35:54,202 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 11:35:54,202 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 11:35:54,202 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 11:35:54,202 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 11:35:54,203 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 11:35:54,203 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 11:35:54,203 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 11:35:54,203 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 11:35:54,203 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 11:35:54,203 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 11:35:54,203 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 11:35:54,204 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 11:35:54,204 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 11:35:54,204 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 11:35:54,204 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 11:35:54,204 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 11:35:54,205 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 11:35:54,205 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 11:35:54,205 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 11:35:54,205 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 11:35:54,205 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 11:35:54,205 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 11:35:54,205 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 11:35:54,206 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 11:35:54,206 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 11:35:54,206 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 11:35:54,206 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 11:35:54,206 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 11:35:54,206 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 -> b62eef3129e91aaac3acc29e5a183350b87388a8c6b16bdbf751f7e8be177f34 [2024-11-07 11:35:54,465 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 11:35:54,476 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 11:35:54,478 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 11:35:54,479 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 11:35:54,480 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 11:35:54,481 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_array_eq_c_str_harness_negated.i [2024-11-07 11:35:55,705 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 11:35:56,206 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 11:35:56,207 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_array_eq_c_str_harness_negated.i [2024-11-07 11:35:56,244 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/7b6ac5c88/30cb76deec334d919b624c7b808f895d/FLAGf74f654c4 [2024-11-07 11:35:56,280 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/7b6ac5c88/30cb76deec334d919b624c7b808f895d [2024-11-07 11:35:56,282 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 11:35:56,284 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 11:35:56,286 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 11:35:56,286 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 11:35:56,290 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 11:35:56,291 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 11:35:56" (1/1) ... [2024-11-07 11:35:56,292 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a6cdca7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:35:56, skipping insertion in model container [2024-11-07 11:35:56,292 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 11:35:56" (1/1) ... [2024-11-07 11:35:56,385 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 11:35:56,650 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_array_eq_c_str_harness_negated.i[4492,4505] [2024-11-07 11:35:56,657 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_array_eq_c_str_harness_negated.i[4552,4565] [2024-11-07 11:35:57,530 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:35:57,531 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:35:57,531 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:35:57,532 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:35:57,533 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:35:57,544 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:35:57,545 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:35:57,547 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:35:57,547 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:35:58,020 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:35:58,020 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:35:58,095 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 11:35:58,195 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 11:35:58,210 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_array_eq_c_str_harness_negated.i[4492,4505] [2024-11-07 11:35:58,210 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_array_eq_c_str_harness_negated.i[4552,4565] [2024-11-07 11:35:58,260 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:35:58,261 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:35:58,261 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:35:58,261 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:35:58,262 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:35:58,267 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:35:58,267 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:35:58,268 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:35:58,269 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:35:58,418 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8245] [2024-11-07 11:35:58,419 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:35:58,420 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:35:58,433 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8731-8742] [2024-11-07 11:35:58,445 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 11:35:58,640 INFO L204 MainTranslator]: Completed translation [2024-11-07 11:35:58,641 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:35:58 WrapperNode [2024-11-07 11:35:58,641 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 11:35:58,642 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 11:35:58,642 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 11:35:58,642 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 11:35:58,648 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:35:58" (1/1) ... [2024-11-07 11:35:58,737 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:35:58" (1/1) ... [2024-11-07 11:35:58,816 INFO L138 Inliner]: procedures = 680, calls = 2609, calls flagged for inlining = 60, calls inlined = 6, statements flattened = 802 [2024-11-07 11:35:58,817 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 11:35:58,817 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 11:35:58,817 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 11:35:58,817 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 11:35:58,829 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:35:58" (1/1) ... [2024-11-07 11:35:58,830 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:35:58" (1/1) ... [2024-11-07 11:35:58,840 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:35:58" (1/1) ... [2024-11-07 11:35:58,918 INFO L175 MemorySlicer]: Split 516 memory accesses to 6 slices as follows [2, 257, 238, 6, 8, 5]. 50 percent of accesses are in the largest equivalence class. The 13 initializations are split as follows [2, 0, 6, 0, 0, 5]. The 491 writes are split as follows [0, 257, 232, 2, 0, 0]. [2024-11-07 11:35:58,918 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:35:58" (1/1) ... [2024-11-07 11:35:58,919 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:35:58" (1/1) ... [2024-11-07 11:35:58,954 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:35:58" (1/1) ... [2024-11-07 11:35:58,962 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:35:58" (1/1) ... [2024-11-07 11:35:58,969 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:35:58" (1/1) ... [2024-11-07 11:35:58,976 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:35:58" (1/1) ... [2024-11-07 11:35:58,989 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 11:35:58,992 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 11:35:58,992 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 11:35:58,992 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 11:35:58,993 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:35:58" (1/1) ... [2024-11-07 11:35:59,000 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 11:35:59,013 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 11:35:59,027 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 11:35:59,033 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 11:35:59,055 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_eq_c_str [2024-11-07 11:35:59,055 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_eq_c_str [2024-11-07 11:35:59,056 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-07 11:35:59,056 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-07 11:35:59,057 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-07 11:35:59,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-07 11:35:59,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-07 11:35:59,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-07 11:35:59,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-07 11:35:59,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-07 11:35:59,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-07 11:35:59,058 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-07 11:35:59,058 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-07 11:35:59,058 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-07 11:35:59,058 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-07 11:35:59,059 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-07 11:35:59,059 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-07 11:35:59,059 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-07 11:35:59,059 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-07 11:35:59,059 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-07 11:35:59,059 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 11:35:59,059 INFO L130 BoogieDeclarations]: Found specification of procedure save_byte_from_array [2024-11-07 11:35:59,059 INFO L138 BoogieDeclarations]: Found implementation of procedure save_byte_from_array [2024-11-07 11:35:59,059 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 11:35:59,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 11:35:59,059 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-07 11:35:59,059 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-07 11:35:59,059 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2024-11-07 11:35:59,059 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2024-11-07 11:35:59,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-07 11:35:59,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-07 11:35:59,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-07 11:35:59,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-07 11:35:59,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-07 11:35:59,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-07 11:35:59,060 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2024-11-07 11:35:59,060 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2024-11-07 11:35:59,060 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-07 11:35:59,060 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-07 11:35:59,060 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-07 11:35:59,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-07 11:35:59,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-07 11:35:59,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-07 11:35:59,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-07 11:35:59,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-07 11:35:59,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-07 11:35:59,060 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-07 11:35:59,060 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-07 11:35:59,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-07 11:35:59,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-07 11:35:59,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-07 11:35:59,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-07 11:35:59,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-07 11:35:59,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-07 11:35:59,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-07 11:35:59,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-07 11:35:59,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-07 11:35:59,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-07 11:35:59,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-07 11:35:59,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-07 11:35:59,330 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 11:35:59,332 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 11:36:07,796 INFO L? ?]: Removed 68 outVars from TransFormulas that were not future-live. [2024-11-07 11:36:07,796 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 11:36:07,814 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 11:36:07,814 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-07 11:36:07,815 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 11:36:07 BoogieIcfgContainer [2024-11-07 11:36:07,815 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 11:36:07,817 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 11:36:07,818 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 11:36:07,822 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 11:36:07,823 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 11:35:56" (1/3) ... [2024-11-07 11:36:07,823 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b901f75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 11:36:07, skipping insertion in model container [2024-11-07 11:36:07,823 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:35:58" (2/3) ... [2024-11-07 11:36:07,823 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b901f75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 11:36:07, skipping insertion in model container [2024-11-07 11:36:07,824 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 11:36:07" (3/3) ... [2024-11-07 11:36:07,825 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_array_eq_c_str_harness_negated.i [2024-11-07 11:36:07,840 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 11:36:07,840 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-07 11:36:07,888 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 11:36:07,897 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;@329f0fb5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 11:36:07,897 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-07 11:36:07,901 INFO L276 IsEmpty]: Start isEmpty. Operand has 96 states, 59 states have (on average 1.271186440677966) internal successors, (75), 62 states have internal predecessors, (75), 26 states have call successors, (26), 9 states have call predecessors, (26), 9 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2024-11-07 11:36:07,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-07 11:36:07,907 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 11:36:07,908 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 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] [2024-11-07 11:36:07,908 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 11:36:07,912 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 11:36:07,912 INFO L85 PathProgramCache]: Analyzing trace with hash 511260694, now seen corresponding path program 1 times [2024-11-07 11:36:07,917 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 11:36:07,918 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1146018986] [2024-11-07 11:36:07,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 11:36:07,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 11:37:16,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:37:17,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 11:37:17,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:37:17,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-07 11:37:17,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:37:17,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 11:37:17,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:37:17,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-07 11:37:17,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:37:17,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-07 11:37:17,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:37:17,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-07 11:37:17,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:37:17,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-07 11:37:17,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:37:17,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-07 11:37:17,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:37:17,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-07 11:37:17,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:37:17,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 11:37:17,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:37:17,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-07 11:37:17,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:37:17,917 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2024-11-07 11:37:17,918 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 11:37:17,918 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1146018986] [2024-11-07 11:37:17,919 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1146018986] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 11:37:17,919 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 11:37:17,919 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 11:37:17,920 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [732247118] [2024-11-07 11:37:17,921 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 11:37:17,925 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 11:37:17,926 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 11:37:17,943 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 11:37:17,944 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 11:37:17,946 INFO L87 Difference]: Start difference. First operand has 96 states, 59 states have (on average 1.271186440677966) internal successors, (75), 62 states have internal predecessors, (75), 26 states have call successors, (26), 9 states have call predecessors, (26), 9 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) Second operand has 4 states, 4 states have (on average 6.75) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (12), 4 states have call predecessors, (12), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-07 11:37:22,125 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-07 11:37:24,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 11:37:24,474 INFO L93 Difference]: Finished difference Result 194 states and 278 transitions. [2024-11-07 11:37:24,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 11:37:24,477 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (12), 4 states have call predecessors, (12), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 67 [2024-11-07 11:37:24,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 11:37:24,484 INFO L225 Difference]: With dead ends: 194 [2024-11-07 11:37:24,484 INFO L226 Difference]: Without dead ends: 96 [2024-11-07 11:37:24,486 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-07 11:37:24,489 INFO L432 NwaCegarLoop]: 68 mSDtfsCounter, 85 mSDsluCounter, 54 mSDsCounter, 0 mSdLazyCounter, 110 mSolverCounterSat, 62 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 86 SdHoareTripleChecker+Valid, 122 SdHoareTripleChecker+Invalid, 173 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 110 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.2s IncrementalHoareTripleChecker+Time [2024-11-07 11:37:24,490 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [86 Valid, 122 Invalid, 173 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 110 Invalid, 1 Unknown, 0 Unchecked, 6.2s Time] [2024-11-07 11:37:24,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2024-11-07 11:37:24,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 91. [2024-11-07 11:37:24,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 55 states have (on average 1.2181818181818183) internal successors, (67), 57 states have internal predecessors, (67), 26 states have call successors, (26), 9 states have call predecessors, (26), 9 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-07 11:37:24,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 118 transitions. [2024-11-07 11:37:24,529 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 118 transitions. Word has length 67 [2024-11-07 11:37:24,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 11:37:24,529 INFO L471 AbstractCegarLoop]: Abstraction has 91 states and 118 transitions. [2024-11-07 11:37:24,529 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (12), 4 states have call predecessors, (12), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-07 11:37:24,530 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 118 transitions. [2024-11-07 11:37:24,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-07 11:37:24,532 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 11:37:24,532 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 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] [2024-11-07 11:37:24,532 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-07 11:37:24,533 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 11:37:24,533 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 11:37:24,533 INFO L85 PathProgramCache]: Analyzing trace with hash 1505620234, now seen corresponding path program 1 times [2024-11-07 11:37:24,533 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 11:37:24,533 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1232725328] [2024-11-07 11:37:24,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 11:37:24,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms