./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/seq-pthread/cs_queue-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- 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/seq-pthread/cs_queue-1.i', '-s', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-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', '32bit', '--witnessprinter.graph.data.programhash', '38d92478d67c3996e3815aaa6d0075347cfc456da7f20d1b1bb733d11593b6cf'] 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/seq-pthread/cs_queue-1.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-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 32bit --witnessprinter.graph.data.programhash 38d92478d67c3996e3815aaa6d0075347cfc456da7f20d1b1bb733d11593b6cf --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 00:41:36,202 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 00:41:36,269 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-07 00:41:36,275 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 00:41:36,275 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 00:41:36,305 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 00:41:36,305 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 00:41:36,305 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 00:41:36,306 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 00:41:36,309 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 00:41:36,309 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 00:41:36,309 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 00:41:36,309 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 00:41:36,310 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 00:41:36,310 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 00:41:36,310 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 00:41:36,310 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 00:41:36,310 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-07 00:41:36,310 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 00:41:36,310 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-07 00:41:36,310 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 00:41:36,310 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 00:41:36,310 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 00:41:36,310 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 00:41:36,310 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 00:41:36,310 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-07 00:41:36,310 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 00:41:36,310 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 00:41:36,310 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 00:41:36,310 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 00:41:36,310 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 00:41:36,311 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 00:41:36,311 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 00:41:36,311 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 00:41:36,311 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 00:41:36,311 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 00:41:36,311 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 00:41:36,311 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 00:41:36,311 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 00:41:36,311 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 00:41:36,311 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 00:41:36,311 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 00:41:36,311 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 -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 38d92478d67c3996e3815aaa6d0075347cfc456da7f20d1b1bb733d11593b6cf [2024-11-07 00:41:36,537 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 00:41:36,546 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 00:41:36,547 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 00:41:36,549 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 00:41:36,549 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 00:41:36,550 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-pthread/cs_queue-1.i [2024-11-07 00:41:37,693 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 00:41:37,947 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 00:41:37,947 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/seq-pthread/cs_queue-1.i [2024-11-07 00:41:37,962 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/15e1ebfdc/da6603233e4b448391e1743e002c943e/FLAG290ea9b3e [2024-11-07 00:41:38,255 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/15e1ebfdc/da6603233e4b448391e1743e002c943e [2024-11-07 00:41:38,257 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 00:41:38,259 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 00:41:38,263 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 00:41:38,263 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 00:41:38,269 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 00:41:38,272 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 12:41:38" (1/1) ... [2024-11-07 00:41:38,273 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62b807ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:41:38, skipping insertion in model container [2024-11-07 00:41:38,273 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 12:41:38" (1/1) ... [2024-11-07 00:41:38,331 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 00:41:38,659 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/seq-pthread/cs_queue-1.i[34744,34757] [2024-11-07 00:41:38,786 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 00:41:38,805 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 00:41:38,829 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/seq-pthread/cs_queue-1.i[34744,34757] [2024-11-07 00:41:38,891 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 00:41:38,944 INFO L204 MainTranslator]: Completed translation [2024-11-07 00:41:38,944 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:41:38 WrapperNode [2024-11-07 00:41:38,945 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 00:41:38,945 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 00:41:38,945 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 00:41:38,945 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 00:41:38,949 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:41:38" (1/1) ... [2024-11-07 00:41:38,968 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:41:38" (1/1) ... [2024-11-07 00:41:39,036 INFO L138 Inliner]: procedures = 251, calls = 629, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 1417 [2024-11-07 00:41:39,037 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 00:41:39,037 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 00:41:39,037 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 00:41:39,037 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 00:41:39,044 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:41:38" (1/1) ... [2024-11-07 00:41:39,044 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:41:38" (1/1) ... [2024-11-07 00:41:39,060 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:41:38" (1/1) ... [2024-11-07 00:41:39,105 INFO L175 MemorySlicer]: Split 397 memory accesses to 20 slices as follows [2, 50, 0, 8, 8, 8, 113, 41, 20, 7, 12, 82, 8, 8, 6, 3, 3, 7, 8, 3]. 28 percent of accesses are in the largest equivalence class. The 117 initializations are split as follows [2, 0, 0, 3, 3, 3, 46, 0, 6, 0, 6, 40, 2, 2, 2, 0, 0, 0, 2, 0]. The 94 writes are split as follows [0, 4, 0, 2, 2, 2, 33, 1, 8, 1, 3, 21, 4, 4, 2, 1, 1, 1, 3, 1]. [2024-11-07 00:41:39,105 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:41:38" (1/1) ... [2024-11-07 00:41:39,105 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:41:38" (1/1) ... [2024-11-07 00:41:39,149 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:41:38" (1/1) ... [2024-11-07 00:41:39,158 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:41:38" (1/1) ... [2024-11-07 00:41:39,170 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:41:38" (1/1) ... [2024-11-07 00:41:39,183 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:41:38" (1/1) ... [2024-11-07 00:41:39,192 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 00:41:39,192 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 00:41:39,193 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 00:41:39,193 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 00:41:39,193 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:41:38" (1/1) ... [2024-11-07 00:41:39,197 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 00:41:39,208 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 00:41:39,222 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 00:41:39,227 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 00:41:39,241 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-07 00:41:39,241 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-07 00:41:39,242 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-07 00:41:39,242 INFO L130 BoogieDeclarations]: Found specification of procedure empty [2024-11-07 00:41:39,242 INFO L138 BoogieDeclarations]: Found implementation of procedure empty [2024-11-07 00:41:39,242 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_mutex_lock [2024-11-07 00:41:39,242 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_mutex_lock [2024-11-07 00:41:39,242 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-07 00:41:39,242 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-07 00:41:39,243 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-07 00:41:39,243 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-07 00:41:39,243 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-07 00:41:39,243 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-07 00:41:39,243 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-07 00:41:39,243 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-07 00:41:39,243 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-07 00:41:39,243 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-07 00:41:39,243 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-11-07 00:41:39,243 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-11-07 00:41:39,243 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-11-07 00:41:39,244 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-11-07 00:41:39,244 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-11-07 00:41:39,244 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-11-07 00:41:39,244 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2024-11-07 00:41:39,244 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2024-11-07 00:41:39,244 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2024-11-07 00:41:39,244 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#19 [2024-11-07 00:41:39,245 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-07 00:41:39,245 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-07 00:41:39,245 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-07 00:41:39,245 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-07 00:41:39,245 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-07 00:41:39,245 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-07 00:41:39,245 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-07 00:41:39,245 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-07 00:41:39,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-07 00:41:39,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-11-07 00:41:39,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-11-07 00:41:39,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-11-07 00:41:39,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-11-07 00:41:39,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-11-07 00:41:39,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2024-11-07 00:41:39,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2024-11-07 00:41:39,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2024-11-07 00:41:39,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2024-11-07 00:41:39,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#17 [2024-11-07 00:41:39,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#18 [2024-11-07 00:41:39,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#19 [2024-11-07 00:41:39,248 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_mutex_unlock [2024-11-07 00:41:39,248 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_mutex_unlock [2024-11-07 00:41:39,248 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-07 00:41:39,248 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-07 00:41:39,248 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-07 00:41:39,248 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-07 00:41:39,248 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-07 00:41:39,248 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-07 00:41:39,248 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-07 00:41:39,248 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-07 00:41:39,248 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-07 00:41:39,248 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-07 00:41:39,248 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-07 00:41:39,248 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-07 00:41:39,248 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-11-07 00:41:39,248 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-11-07 00:41:39,248 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-11-07 00:41:39,248 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-11-07 00:41:39,248 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-11-07 00:41:39,248 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2024-11-07 00:41:39,248 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2024-11-07 00:41:39,248 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2024-11-07 00:41:39,248 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-07 00:41:39,248 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-07 00:41:39,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-07 00:41:39,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-07 00:41:39,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-07 00:41:39,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-07 00:41:39,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-07 00:41:39,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-07 00:41:39,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-07 00:41:39,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-07 00:41:39,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-07 00:41:39,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-07 00:41:39,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-07 00:41:39,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-07 00:41:39,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-11-07 00:41:39,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-11-07 00:41:39,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-11-07 00:41:39,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-11-07 00:41:39,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-11-07 00:41:39,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2024-11-07 00:41:39,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2024-11-07 00:41:39,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2024-11-07 00:41:39,249 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 00:41:39,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-07 00:41:39,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-07 00:41:39,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-07 00:41:39,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-07 00:41:39,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-07 00:41:39,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-07 00:41:39,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-07 00:41:39,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-07 00:41:39,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-07 00:41:39,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-11-07 00:41:39,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-11-07 00:41:39,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-11-07 00:41:39,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-11-07 00:41:39,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-11-07 00:41:39,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-11-07 00:41:39,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2024-11-07 00:41:39,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2024-11-07 00:41:39,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2024-11-07 00:41:39,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2024-11-07 00:41:39,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#19 [2024-11-07 00:41:39,249 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_create [2024-11-07 00:41:39,249 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_create [2024-11-07 00:41:39,249 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_join [2024-11-07 00:41:39,249 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_join [2024-11-07 00:41:39,249 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~$Pointer$ [2024-11-07 00:41:39,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~$Pointer$ [2024-11-07 00:41:39,250 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_cs [2024-11-07 00:41:39,250 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_cs [2024-11-07 00:41:39,250 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-07 00:41:39,250 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-07 00:41:39,250 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-07 00:41:39,250 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-07 00:41:39,250 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-07 00:41:39,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-07 00:41:39,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-07 00:41:39,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-07 00:41:39,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-07 00:41:39,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-07 00:41:39,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-07 00:41:39,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-07 00:41:39,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-07 00:41:39,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-11-07 00:41:39,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-11-07 00:41:39,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-11-07 00:41:39,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-11-07 00:41:39,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2024-11-07 00:41:39,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2024-11-07 00:41:39,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2024-11-07 00:41:39,254 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 00:41:39,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 00:41:39,488 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 00:41:39,489 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 00:41:39,542 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##15: assume !(0 != (if ~__CS_ret~0 % 256 % 4294967296 <= 2147483647 then ~__CS_ret~0 % 256 % 4294967296 else ~__CS_ret~0 % 256 % 4294967296 - 4294967296)); [2024-11-07 00:41:39,543 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume !(0 != (if ~__CS_ret~0 % 256 % 4294967296 <= 2147483647 then ~__CS_ret~0 % 256 % 4294967296 else ~__CS_ret~0 % 256 % 4294967296 - 4294967296)); [2024-11-07 00:41:39,543 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##14: assume 0 != (if ~__CS_ret~0 % 256 % 4294967296 <= 2147483647 then ~__CS_ret~0 % 256 % 4294967296 else ~__CS_ret~0 % 256 % 4294967296 - 4294967296);#res := 0; [2024-11-07 00:41:39,543 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##9: assume 0 != (if ~__CS_ret~0 % 256 % 4294967296 <= 2147483647 then ~__CS_ret~0 % 256 % 4294967296 else ~__CS_ret~0 % 256 % 4294967296 - 4294967296);#res := 0; [2024-11-07 00:41:40,081 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint L1093: SUMMARY for call __CS_cs(); srcloc: null [2024-11-07 00:41:40,081 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint L1093-1: assume 0 != (if ~__CS_ret~0 % 256 % 4294967296 <= 2147483647 then ~__CS_ret~0 % 256 % 4294967296 else ~__CS_ret~0 % 256 % 4294967296 - 4294967296);t2_#res#1.base, t2_#res#1.offset := 0, 0; [2024-11-07 00:41:40,081 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint L1093-1: assume !(0 != (if ~__CS_ret~0 % 256 % 4294967296 <= 2147483647 then ~__CS_ret~0 % 256 % 4294967296 else ~__CS_ret~0 % 256 % 4294967296 - 4294967296)); [2024-11-07 00:41:40,081 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint L1129: SUMMARY for call __CS_cs(); srcloc: null [2024-11-07 00:41:40,081 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint L1129-1: assume 0 != (if ~__CS_ret~0 % 256 % 4294967296 <= 2147483647 then ~__CS_ret~0 % 256 % 4294967296 else ~__CS_ret~0 % 256 % 4294967296 - 4294967296);main_thread_#res#1.base, main_thread_#res#1.offset := 0, 0;call ULTIMATE.dealloc(main_thread_~#id1~0#1.base, main_thread_~#id1~0#1.offset);havoc main_thread_~#id1~0#1.base, main_thread_~#id1~0#1.offset;call ULTIMATE.dealloc(main_thread_~#id2~0#1.base, main_thread_~#id2~0#1.offset);havoc main_thread_~#id2~0#1.base, main_thread_~#id2~0#1.offset; [2024-11-07 00:41:40,081 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint L1129-1: assume !(0 != (if ~__CS_ret~0 % 256 % 4294967296 <= 2147483647 then ~__CS_ret~0 % 256 % 4294967296 else ~__CS_ret~0 % 256 % 4294967296 - 4294967296)); [2024-11-07 00:41:40,081 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##90: assume 0 != (if ~__CS_ret~0 % 256 % 4294967296 <= 2147483647 then ~__CS_ret~0 % 256 % 4294967296 else ~__CS_ret~0 % 256 % 4294967296 - 4294967296);t2_#res#1.base, t2_#res#1.offset := 0, 0; [2024-11-07 00:41:40,081 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##91: assume !(0 != (if ~__CS_ret~0 % 256 % 4294967296 <= 2147483647 then ~__CS_ret~0 % 256 % 4294967296 else ~__CS_ret~0 % 256 % 4294967296 - 4294967296)); [2024-11-07 00:41:40,081 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##83: assume !(0 != (if ~__CS_ret~0 % 256 % 4294967296 <= 2147483647 then ~__CS_ret~0 % 256 % 4294967296 else ~__CS_ret~0 % 256 % 4294967296 - 4294967296)); [2024-11-07 00:41:40,081 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##82: assume 0 != (if ~__CS_ret~0 % 256 % 4294967296 <= 2147483647 then ~__CS_ret~0 % 256 % 4294967296 else ~__CS_ret~0 % 256 % 4294967296 - 4294967296);dequeue_#res#1 := 0; [2024-11-07 00:41:40,081 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##89: assume !(0 != (if ~__CS_ret~0 % 256 % 4294967296 <= 2147483647 then ~__CS_ret~0 % 256 % 4294967296 else ~__CS_ret~0 % 256 % 4294967296 - 4294967296)); [2024-11-07 00:41:40,081 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##88: assume 0 != (if ~__CS_ret~0 % 256 % 4294967296 <= 2147483647 then ~__CS_ret~0 % 256 % 4294967296 else ~__CS_ret~0 % 256 % 4294967296 - 4294967296);t2_#res#1.base, t2_#res#1.offset := 0, 0; [2024-11-07 00:41:40,081 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##26: assume !(0 != (if ~__CS_ret~0 % 256 % 4294967296 <= 2147483647 then ~__CS_ret~0 % 256 % 4294967296 else ~__CS_ret~0 % 256 % 4294967296 - 4294967296)); [2024-11-07 00:41:40,081 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##25: assume 0 != (if ~__CS_ret~0 % 256 % 4294967296 <= 2147483647 then ~__CS_ret~0 % 256 % 4294967296 else ~__CS_ret~0 % 256 % 4294967296 - 4294967296);main_thread_#res#1.base, main_thread_#res#1.offset := 0, 0;call ULTIMATE.dealloc(main_thread_~#id1~0#1.base, main_thread_~#id1~0#1.offset);havoc main_thread_~#id1~0#1.base, main_thread_~#id1~0#1.offset;call ULTIMATE.dealloc(main_thread_~#id2~0#1.base, main_thread_~#id2~0#1.offset);havoc main_thread_~#id2~0#1.base, main_thread_~#id2~0#1.offset; [2024-11-07 00:41:40,082 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##24: assume !(0 != (if ~__CS_ret~0 % 256 % 4294967296 <= 2147483647 then ~__CS_ret~0 % 256 % 4294967296 else ~__CS_ret~0 % 256 % 4294967296 - 4294967296)); [2024-11-07 00:41:40,082 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##23: assume 0 != (if ~__CS_ret~0 % 256 % 4294967296 <= 2147483647 then ~__CS_ret~0 % 256 % 4294967296 else ~__CS_ret~0 % 256 % 4294967296 - 4294967296);main_thread_#res#1.base, main_thread_#res#1.offset := 0, 0;call ULTIMATE.dealloc(main_thread_~#id1~0#1.base, main_thread_~#id1~0#1.offset);havoc main_thread_~#id1~0#1.base, main_thread_~#id1~0#1.offset;call ULTIMATE.dealloc(main_thread_~#id2~0#1.base, main_thread_~#id2~0#1.offset);havoc main_thread_~#id2~0#1.base, main_thread_~#id2~0#1.offset; [2024-11-07 00:41:40,082 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##149: assume 0 != (if ~__CS_ret~0 % 256 % 4294967296 <= 2147483647 then ~__CS_ret~0 % 256 % 4294967296 else ~__CS_ret~0 % 256 % 4294967296 - 4294967296);enqueue_#res#1 := 0; [2024-11-07 00:41:40,082 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##150: assume !(0 != (if ~__CS_ret~0 % 256 % 4294967296 <= 2147483647 then ~__CS_ret~0 % 256 % 4294967296 else ~__CS_ret~0 % 256 % 4294967296 - 4294967296)); [2024-11-07 00:41:40,082 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##166: assume 0 != (if ~__CS_ret~0 % 256 % 4294967296 <= 2147483647 then ~__CS_ret~0 % 256 % 4294967296 else ~__CS_ret~0 % 256 % 4294967296 - 4294967296);t1_#res#1.base, t1_#res#1.offset := 0, 0; [2024-11-07 00:41:40,082 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##167: assume !(0 != (if ~__CS_ret~0 % 256 % 4294967296 <= 2147483647 then ~__CS_ret~0 % 256 % 4294967296 else ~__CS_ret~0 % 256 % 4294967296 - 4294967296)); [2024-11-07 00:41:40,082 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##109: assume 0 != (if ~__CS_ret~0 % 256 % 4294967296 <= 2147483647 then ~__CS_ret~0 % 256 % 4294967296 else ~__CS_ret~0 % 256 % 4294967296 - 4294967296);t2_#res#1.base, t2_#res#1.offset := 0, 0; [2024-11-07 00:41:40,082 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##110: assume !(0 != (if ~__CS_ret~0 % 256 % 4294967296 <= 2147483647 then ~__CS_ret~0 % 256 % 4294967296 else ~__CS_ret~0 % 256 % 4294967296 - 4294967296)); [2024-11-07 00:41:44,597 INFO L? ?]: Removed 108 outVars from TransFormulas that were not future-live. [2024-11-07 00:41:44,598 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 00:41:44,607 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 00:41:44,607 INFO L316 CfgBuilder]: Removed 6 assume(true) statements. [2024-11-07 00:41:44,607 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 12:41:44 BoogieIcfgContainer [2024-11-07 00:41:44,607 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 00:41:44,609 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 00:41:44,609 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 00:41:44,615 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 00:41:44,615 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 12:41:38" (1/3) ... [2024-11-07 00:41:44,616 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73f12ae0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 12:41:44, skipping insertion in model container [2024-11-07 00:41:44,616 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:41:38" (2/3) ... [2024-11-07 00:41:44,616 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73f12ae0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 12:41:44, skipping insertion in model container [2024-11-07 00:41:44,616 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 12:41:44" (3/3) ... [2024-11-07 00:41:44,617 INFO L112 eAbstractionObserver]: Analyzing ICFG cs_queue-1.i [2024-11-07 00:41:44,625 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 00:41:44,625 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-07 00:41:44,665 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 00:41:44,673 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;@550e7316, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 00:41:44,673 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-07 00:41:44,677 INFO L276 IsEmpty]: Start isEmpty. Operand has 346 states, 203 states have (on average 1.4729064039408868) internal successors, (299), 205 states have internal predecessors, (299), 132 states have call successors, (132), 9 states have call predecessors, (132), 9 states have return successors, (132), 132 states have call predecessors, (132), 132 states have call successors, (132) [2024-11-07 00:41:44,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 327 [2024-11-07 00:41:44,700 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 00:41:44,701 INFO L215 NwaCegarLoop]: trace histogram [52, 52, 52, 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, 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, 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 00:41:44,701 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 00:41:44,704 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 00:41:44,704 INFO L85 PathProgramCache]: Analyzing trace with hash -1371995885, now seen corresponding path program 1 times [2024-11-07 00:41:44,709 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 00:41:44,709 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [692674134] [2024-11-07 00:41:44,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 00:41:44,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 00:41:45,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:41:45,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 00:41:45,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:41:45,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 00:41:45,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:41:45,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-07 00:41:45,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:41:45,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-07 00:41:45,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:41:45,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-07 00:41:45,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:41:45,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-07 00:41:45,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:41:45,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-07 00:41:45,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:41:45,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-07 00:41:45,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:41:45,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-07 00:41:45,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:41:45,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-07 00:41:45,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:41:45,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-07 00:41:45,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:41:45,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 00:41:45,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:41:45,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 00:41:45,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:41:45,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-07 00:41:45,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:41:45,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-07 00:41:46,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:41:46,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-07 00:41:46,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:41:46,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-07 00:41:46,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:41:46,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-07 00:41:46,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:41:46,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-07 00:41:46,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:41:46,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-07 00:41:46,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:41:46,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-07 00:41:46,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:41:46,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-07 00:41:46,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:41:46,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-07 00:41:46,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:41:46,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-07 00:41:46,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:41:46,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-07 00:41:46,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:41:46,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-07 00:41:46,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:41:46,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-07 00:41:46,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:41:46,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-07 00:41:46,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:41:46,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-11-07 00:41:46,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:41:46,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-11-07 00:41:46,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:41:46,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-11-07 00:41:46,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:41:46,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-11-07 00:41:46,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:41:46,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-11-07 00:41:46,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:41:46,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-07 00:41:46,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:41:46,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-11-07 00:41:46,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:41:46,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-11-07 00:41:46,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:41:46,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-11-07 00:41:46,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:41:46,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-11-07 00:41:46,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:41:46,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-11-07 00:41:46,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:41:46,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-11-07 00:41:46,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:41:46,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2024-11-07 00:41:46,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:41:46,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2024-11-07 00:41:46,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:41:46,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-11-07 00:41:46,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:41:46,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2024-11-07 00:41:46,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:41:46,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2024-11-07 00:41:46,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:41:46,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2024-11-07 00:41:46,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:41:46,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2024-11-07 00:41:46,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:41:46,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2024-11-07 00:41:46,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:41:46,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2024-11-07 00:41:46,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:41:46,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2024-11-07 00:41:46,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:41:46,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2024-11-07 00:41:46,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:41:46,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2024-11-07 00:41:46,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:41:46,200 INFO L134 CoverageAnalysis]: Checked inductivity of 5304 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5304 trivial. 0 not checked. [2024-11-07 00:41:46,201 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 00:41:46,201 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [692674134] [2024-11-07 00:41:46,201 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [692674134] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 00:41:46,201 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 00:41:46,202 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 00:41:46,203 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2031778138] [2024-11-07 00:41:46,203 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 00:41:46,206 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 00:41:46,206 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 00:41:46,246 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 00:41:46,247 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 00:41:46,249 INFO L87 Difference]: Start difference. First operand has 346 states, 203 states have (on average 1.4729064039408868) internal successors, (299), 205 states have internal predecessors, (299), 132 states have call successors, (132), 9 states have call predecessors, (132), 9 states have return successors, (132), 132 states have call predecessors, (132), 132 states have call successors, (132) Second operand has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 1 states have call successors, (53), 2 states have call predecessors, (53), 1 states have return successors, (52), 1 states have call predecessors, (52), 1 states have call successors, (52) [2024-11-07 00:41:46,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 00:41:46,374 INFO L93 Difference]: Finished difference Result 697 states and 1262 transitions. [2024-11-07 00:41:46,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 00:41:46,376 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 1 states have call successors, (53), 2 states have call predecessors, (53), 1 states have return successors, (52), 1 states have call predecessors, (52), 1 states have call successors, (52) Word has length 326 [2024-11-07 00:41:46,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 00:41:46,383 INFO L225 Difference]: With dead ends: 697 [2024-11-07 00:41:46,384 INFO L226 Difference]: Without dead ends: 349 [2024-11-07 00:41:46,388 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 00:41:46,390 INFO L432 NwaCegarLoop]: 544 mSDtfsCounter, 12 mSDsluCounter, 541 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 1085 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 00:41:46,390 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 1085 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 00:41:46,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 349 states. [2024-11-07 00:41:46,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 349 to 340. [2024-11-07 00:41:46,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 340 states, 199 states have (on average 1.4321608040201006) internal successors, (285), 201 states have internal predecessors, (285), 131 states have call successors, (131), 9 states have call predecessors, (131), 9 states have return successors, (130), 130 states have call predecessors, (130), 130 states have call successors, (130) [2024-11-07 00:41:46,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 340 states and 546 transitions. [2024-11-07 00:41:46,443 INFO L78 Accepts]: Start accepts. Automaton has 340 states and 546 transitions. Word has length 326 [2024-11-07 00:41:46,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 00:41:46,443 INFO L471 AbstractCegarLoop]: Abstraction has 340 states and 546 transitions. [2024-11-07 00:41:46,443 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 1 states have call successors, (53), 2 states have call predecessors, (53), 1 states have return successors, (52), 1 states have call predecessors, (52), 1 states have call successors, (52) [2024-11-07 00:41:46,443 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 546 transitions. [2024-11-07 00:41:46,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 334 [2024-11-07 00:41:46,449 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 00:41:46,449 INFO L215 NwaCegarLoop]: trace histogram [52, 52, 52, 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, 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, 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 00:41:46,449 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-07 00:41:46,449 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 00:41:46,450 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 00:41:46,450 INFO L85 PathProgramCache]: Analyzing trace with hash -49594312, now seen corresponding path program 1 times [2024-11-07 00:41:46,450 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 00:41:46,450 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [510030737] [2024-11-07 00:41:46,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 00:41:46,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 00:41:46,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:41:47,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 00:41:47,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:41:47,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 00:41:47,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:41:47,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-07 00:41:47,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:41:47,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-07 00:41:47,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:41:47,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-07 00:41:47,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:41:47,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 00:41:47,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:41:47,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-07 00:41:47,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:41:47,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 00:41:47,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:41:47,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 00:41:47,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:41:47,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 00:41:47,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:41:47,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 00:41:47,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:41:47,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 00:41:47,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:41:47,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 00:41:47,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:41:47,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-07 00:41:47,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:41:47,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-07 00:41:47,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:41:47,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-07 00:41:47,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:41:47,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-07 00:41:47,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:41:47,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-07 00:41:47,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:41:47,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-07 00:41:47,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:41:47,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 00:41:47,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:41:47,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 00:41:47,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:41:47,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-07 00:41:47,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:41:47,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-07 00:41:47,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:41:47,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-07 00:41:47,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:41:47,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-07 00:41:47,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:41:47,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-07 00:41:47,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:41:47,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-07 00:41:47,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:41:47,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-11-07 00:41:47,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:41:47,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-11-07 00:41:47,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:41:47,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-11-07 00:41:47,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:41:47,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-07 00:41:47,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:41:47,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-07 00:41:47,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:41:47,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-07 00:41:47,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:41:47,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-11-07 00:41:47,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:41:47,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-11-07 00:41:47,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:41:47,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-11-07 00:41:47,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:41:47,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-11-07 00:41:47,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:41:47,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2024-11-07 00:41:47,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:41:47,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2024-11-07 00:41:47,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:41:47,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2024-11-07 00:41:47,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:41:47,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2024-11-07 00:41:47,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:41:47,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2024-11-07 00:41:47,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:41:47,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2024-11-07 00:41:47,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:41:47,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2024-11-07 00:41:47,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:41:47,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2024-11-07 00:41:47,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:41:47,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2024-11-07 00:41:47,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:41:47,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2024-11-07 00:41:47,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:41:47,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2024-11-07 00:41:47,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:41:47,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2024-11-07 00:41:47,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:41:47,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2024-11-07 00:41:47,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:41:47,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2024-11-07 00:41:47,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:41:47,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2024-11-07 00:41:47,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:41:47,261 INFO L134 CoverageAnalysis]: Checked inductivity of 5305 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 5304 trivial. 0 not checked. [2024-11-07 00:41:47,262 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 00:41:47,262 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [510030737] [2024-11-07 00:41:47,262 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [510030737] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 00:41:47,262 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 00:41:47,262 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 00:41:47,262 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [18052506] [2024-11-07 00:41:47,262 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 00:41:47,263 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 00:41:47,263 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 00:41:47,264 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 00:41:47,264 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 00:41:47,264 INFO L87 Difference]: Start difference. First operand 340 states and 546 transitions. Second operand has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 1 states have call successors, (53), 2 states have call predecessors, (53), 1 states have return successors, (52), 1 states have call predecessors, (52), 1 states have call successors, (52) [2024-11-07 00:41:47,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 00:41:47,326 INFO L93 Difference]: Finished difference Result 683 states and 1098 transitions. [2024-11-07 00:41:47,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 00:41:47,326 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 1 states have call successors, (53), 2 states have call predecessors, (53), 1 states have return successors, (52), 1 states have call predecessors, (52), 1 states have call successors, (52) Word has length 333 [2024-11-07 00:41:47,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 00:41:47,330 INFO L225 Difference]: With dead ends: 683 [2024-11-07 00:41:47,330 INFO L226 Difference]: Without dead ends: 346 [2024-11-07 00:41:47,331 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 00:41:47,332 INFO L432 NwaCegarLoop]: 539 mSDtfsCounter, 3 mSDsluCounter, 532 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 1071 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 00:41:47,332 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 1071 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 00:41:47,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 346 states. [2024-11-07 00:41:47,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 346 to 343. [2024-11-07 00:41:47,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 343 states, 202 states have (on average 1.4257425742574257) internal successors, (288), 204 states have internal predecessors, (288), 131 states have call successors, (131), 9 states have call predecessors, (131), 9 states have return successors, (130), 130 states have call predecessors, (130), 130 states have call successors, (130) [2024-11-07 00:41:47,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 343 states and 549 transitions. [2024-11-07 00:41:47,372 INFO L78 Accepts]: Start accepts. Automaton has 343 states and 549 transitions. Word has length 333 [2024-11-07 00:41:47,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 00:41:47,374 INFO L471 AbstractCegarLoop]: Abstraction has 343 states and 549 transitions. [2024-11-07 00:41:47,374 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 1 states have call successors, (53), 2 states have call predecessors, (53), 1 states have return successors, (52), 1 states have call predecessors, (52), 1 states have call successors, (52) [2024-11-07 00:41:47,375 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 549 transitions. [2024-11-07 00:41:47,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 340 [2024-11-07 00:41:47,382 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 00:41:47,382 INFO L215 NwaCegarLoop]: trace histogram [52, 52, 52, 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, 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, 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 00:41:47,383 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-07 00:41:47,383 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 00:41:47,384 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 00:41:47,384 INFO L85 PathProgramCache]: Analyzing trace with hash -1157994978, now seen corresponding path program 1 times [2024-11-07 00:41:47,384 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 00:41:47,384 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [908821193] [2024-11-07 00:41:47,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 00:41:47,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 00:41:47,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:41:48,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 00:41:48,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:41:48,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-07 00:41:48,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:41:48,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-07 00:41:48,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:41:48,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-07 00:41:48,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:41:48,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 00:41:48,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:41:48,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-07 00:41:48,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:41:48,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 00:41:48,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:41:48,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 00:41:48,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:41:48,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 00:41:48,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:41:48,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 00:41:48,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:41:48,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 00:41:48,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:41:48,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 00:41:48,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:41:48,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-07 00:41:48,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:41:48,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-07 00:41:48,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:41:48,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-07 00:41:48,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:41:48,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-07 00:41:48,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:41:48,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-07 00:41:48,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:41:48,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-07 00:41:48,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:41:48,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-07 00:41:48,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:41:48,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 00:41:48,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:41:48,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-07 00:41:48,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:41:48,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-07 00:41:48,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:41:48,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-07 00:41:48,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:41:48,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-07 00:41:48,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:41:48,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-07 00:41:48,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:41:48,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-07 00:41:48,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:41:48,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-11-07 00:41:48,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:41:48,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-11-07 00:41:48,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:41:48,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-11-07 00:41:48,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:41:48,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-07 00:41:48,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:41:48,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-07 00:41:48,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:41:48,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-07 00:41:48,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:41:48,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-11-07 00:41:48,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:41:48,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-11-07 00:41:48,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:41:48,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-11-07 00:41:48,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:41:48,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-11-07 00:41:48,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:41:48,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2024-11-07 00:41:48,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:41:48,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2024-11-07 00:41:48,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:41:48,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2024-11-07 00:41:48,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:41:48,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2024-11-07 00:41:48,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:41:48,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2024-11-07 00:41:48,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:41:48,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2024-11-07 00:41:48,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:41:48,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2024-11-07 00:41:48,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:41:48,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2024-11-07 00:41:48,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:41:48,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2024-11-07 00:41:48,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:41:48,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2024-11-07 00:41:48,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:41:48,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2024-11-07 00:41:48,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:41:48,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2024-11-07 00:41:48,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:41:48,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2024-11-07 00:41:48,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:41:48,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2024-11-07 00:41:48,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:41:48,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2024-11-07 00:41:48,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:41:48,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2024-11-07 00:41:48,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:41:48,254 INFO L134 CoverageAnalysis]: Checked inductivity of 5308 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 5306 trivial. 0 not checked. [2024-11-07 00:41:48,254 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 00:41:48,254 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [908821193] [2024-11-07 00:41:48,254 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [908821193] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 00:41:48,254 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1880838929] [2024-11-07 00:41:48,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 00:41:48,254 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 00:41:48,255 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 00:41:48,257 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 00:41:48,258 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-07 00:41:49,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:41:49,122 INFO L255 TraceCheckSpWp]: Trace formula consists of 2088 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-07 00:41:49,134 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 00:41:49,170 INFO L134 CoverageAnalysis]: Checked inductivity of 5308 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 5306 trivial. 0 not checked. [2024-11-07 00:41:49,170 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 00:41:49,442 INFO L134 CoverageAnalysis]: Checked inductivity of 5308 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 5306 trivial. 0 not checked. [2024-11-07 00:41:49,442 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1880838929] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 00:41:49,442 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 00:41:49,442 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2024-11-07 00:41:49,442 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [813112949] [2024-11-07 00:41:49,443 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 00:41:49,443 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-07 00:41:49,444 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 00:41:49,444 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-07 00:41:49,444 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-07 00:41:49,445 INFO L87 Difference]: Start difference. First operand 343 states and 549 transitions. Second operand has 7 states, 7 states have (on average 13.0) internal successors, (91), 7 states have internal predecessors, (91), 1 states have call successors, (105), 2 states have call predecessors, (105), 2 states have return successors, (104), 1 states have call predecessors, (104), 1 states have call successors, (104) [2024-11-07 00:41:49,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 00:41:49,572 INFO L93 Difference]: Finished difference Result 699 states and 1119 transitions. [2024-11-07 00:41:49,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 00:41:49,573 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.0) internal successors, (91), 7 states have internal predecessors, (91), 1 states have call successors, (105), 2 states have call predecessors, (105), 2 states have return successors, (104), 1 states have call predecessors, (104), 1 states have call successors, (104) Word has length 339 [2024-11-07 00:41:49,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 00:41:49,576 INFO L225 Difference]: With dead ends: 699 [2024-11-07 00:41:49,576 INFO L226 Difference]: Without dead ends: 359 [2024-11-07 00:41:49,577 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 784 GetRequests, 779 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-07 00:41:49,578 INFO L432 NwaCegarLoop]: 538 mSDtfsCounter, 11 mSDsluCounter, 1596 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 2134 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 00:41:49,578 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 2134 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 00:41:49,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 359 states. [2024-11-07 00:41:49,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 359 to 357. [2024-11-07 00:41:49,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 357 states, 216 states have (on average 1.3981481481481481) internal successors, (302), 218 states have internal predecessors, (302), 131 states have call successors, (131), 9 states have call predecessors, (131), 9 states have return successors, (130), 130 states have call predecessors, (130), 130 states have call successors, (130) [2024-11-07 00:41:49,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 357 states and 563 transitions. [2024-11-07 00:41:49,600 INFO L78 Accepts]: Start accepts. Automaton has 357 states and 563 transitions. Word has length 339 [2024-11-07 00:41:49,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 00:41:49,600 INFO L471 AbstractCegarLoop]: Abstraction has 357 states and 563 transitions. [2024-11-07 00:41:49,600 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.0) internal successors, (91), 7 states have internal predecessors, (91), 1 states have call successors, (105), 2 states have call predecessors, (105), 2 states have return successors, (104), 1 states have call predecessors, (104), 1 states have call successors, (104) [2024-11-07 00:41:49,600 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 563 transitions. [2024-11-07 00:41:49,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 354 [2024-11-07 00:41:49,604 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 00:41:49,605 INFO L215 NwaCegarLoop]: trace histogram [52, 52, 52, 4, 4, 4, 4, 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, 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, 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 00:41:49,624 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-07 00:41:49,808 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 00:41:49,809 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 00:41:49,809 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 00:41:49,810 INFO L85 PathProgramCache]: Analyzing trace with hash -1095906036, now seen corresponding path program 2 times [2024-11-07 00:41:49,810 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 00:41:49,810 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1618572074] [2024-11-07 00:41:49,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 00:41:49,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 00:41:50,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:41:50,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-07 00:41:50,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:41:50,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 00:41:50,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:41:50,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 00:41:50,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:41:50,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-07 00:41:50,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:41:50,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-07 00:41:50,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:41:50,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-07 00:41:50,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:41:50,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-07 00:41:50,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:41:50,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-07 00:41:50,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:41:50,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-07 00:41:50,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:41:50,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-07 00:41:50,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:41:50,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-07 00:41:50,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:41:50,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-07 00:41:50,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:41:50,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-07 00:41:50,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:41:50,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-07 00:41:50,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:41:50,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-07 00:41:50,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:41:50,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-07 00:41:50,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:41:50,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-07 00:41:50,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:41:50,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-07 00:41:50,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:41:50,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-07 00:41:50,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:41:50,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-07 00:41:50,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:41:50,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-07 00:41:50,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:41:50,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-07 00:41:50,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:41:50,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-07 00:41:50,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:41:50,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-07 00:41:50,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:41:50,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-07 00:41:50,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:41:50,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-07 00:41:50,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:41:50,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-07 00:41:50,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:41:50,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-11-07 00:41:50,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:41:50,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-11-07 00:41:51,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:41:51,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-11-07 00:41:51,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:41:51,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-11-07 00:41:51,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:41:51,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-11-07 00:41:51,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:41:51,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-11-07 00:41:51,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:41:51,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-07 00:41:51,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:41:51,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-07 00:41:51,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:41:51,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2024-11-07 00:41:51,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:41:51,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-11-07 00:41:51,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:41:51,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-11-07 00:41:51,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:41:51,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2024-11-07 00:41:51,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:41:51,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2024-11-07 00:41:51,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:41:51,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2024-11-07 00:41:51,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:41:51,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2024-11-07 00:41:51,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:41:51,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2024-11-07 00:41:51,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:41:51,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2024-11-07 00:41:51,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:41:51,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2024-11-07 00:41:51,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:41:51,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2024-11-07 00:41:51,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:41:51,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2024-11-07 00:41:51,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:41:51,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2024-11-07 00:41:51,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:41:51,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2024-11-07 00:41:51,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:41:51,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2024-11-07 00:41:51,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:41:51,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337 [2024-11-07 00:41:51,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:41:51,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2024-11-07 00:41:51,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:41:51,229 INFO L134 CoverageAnalysis]: Checked inductivity of 5341 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5340 trivial. 0 not checked. [2024-11-07 00:41:51,229 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 00:41:51,229 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1618572074] [2024-11-07 00:41:51,230 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1618572074] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 00:41:51,230 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [488084711] [2024-11-07 00:41:51,230 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-07 00:41:51,230 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 00:41:51,230 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 00:41:51,232 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 00:41:51,233 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-07 00:41:52,209 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-07 00:41:52,209 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-07 00:41:52,216 INFO L255 TraceCheckSpWp]: Trace formula consists of 1264 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-07 00:41:52,226 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 00:41:52,575 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 7 [2024-11-07 00:41:53,997 INFO L134 CoverageAnalysis]: Checked inductivity of 5341 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5341 trivial. 0 not checked. [2024-11-07 00:41:53,997 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 00:41:53,998 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [488084711] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 00:41:53,998 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-07 00:41:53,998 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [4] total 9 [2024-11-07 00:41:53,998 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1143075818] [2024-11-07 00:41:53,998 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 00:41:53,999 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-07 00:41:53,999 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 00:41:53,999 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-07 00:41:53,999 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-07 00:41:54,000 INFO L87 Difference]: Start difference. First operand 357 states and 563 transitions. Second operand has 7 states, 7 states have (on average 11.571428571428571) internal successors, (81), 5 states have internal predecessors, (81), 1 states have call successors, (53), 2 states have call predecessors, (53), 1 states have return successors, (52), 1 states have call predecessors, (52), 1 states have call successors, (52) [2024-11-07 00:41:58,028 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-07 00:42:02,060 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-07 00:42:06,069 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-07 00:42:07,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 00:42:07,787 INFO L93 Difference]: Finished difference Result 1013 states and 1630 transitions. [2024-11-07 00:42:07,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-07 00:42:07,788 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.571428571428571) internal successors, (81), 5 states have internal predecessors, (81), 1 states have call successors, (53), 2 states have call predecessors, (53), 1 states have return successors, (52), 1 states have call predecessors, (52), 1 states have call successors, (52) Word has length 353 [2024-11-07 00:42:07,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 00:42:07,796 INFO L225 Difference]: With dead ends: 1013 [2024-11-07 00:42:07,796 INFO L226 Difference]: Without dead ends: 1011 [2024-11-07 00:42:07,796 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 465 GetRequests, 453 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=54, Invalid=128, Unknown=0, NotChecked=0, Total=182 [2024-11-07 00:42:07,797 INFO L432 NwaCegarLoop]: 783 mSDtfsCounter, 1198 mSDsluCounter, 2324 mSDsCounter, 0 mSdLazyCounter, 362 mSolverCounterSat, 645 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1199 SdHoareTripleChecker+Valid, 3107 SdHoareTripleChecker+Invalid, 1010 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 645 IncrementalHoareTripleChecker+Valid, 362 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.5s IncrementalHoareTripleChecker+Time [2024-11-07 00:42:07,797 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1199 Valid, 3107 Invalid, 1010 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [645 Valid, 362 Invalid, 3 Unknown, 0 Unchecked, 13.5s Time] [2024-11-07 00:42:07,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1011 states. [2024-11-07 00:42:07,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1011 to 989. [2024-11-07 00:42:07,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 989 states, 577 states have (on average 1.4263431542461005) internal successors, (823), 582 states have internal predecessors, (823), 384 states have call successors, (384), 27 states have call predecessors, (384), 27 states have return successors, (395), 382 states have call predecessors, (395), 382 states have call successors, (395) [2024-11-07 00:42:07,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 989 states to 989 states and 1602 transitions. [2024-11-07 00:42:07,863 INFO L78 Accepts]: Start accepts. Automaton has 989 states and 1602 transitions. Word has length 353 [2024-11-07 00:42:07,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 00:42:07,863 INFO L471 AbstractCegarLoop]: Abstraction has 989 states and 1602 transitions. [2024-11-07 00:42:07,864 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.571428571428571) internal successors, (81), 5 states have internal predecessors, (81), 1 states have call successors, (53), 2 states have call predecessors, (53), 1 states have return successors, (52), 1 states have call predecessors, (52), 1 states have call successors, (52) [2024-11-07 00:42:07,864 INFO L276 IsEmpty]: Start isEmpty. Operand 989 states and 1602 transitions. [2024-11-07 00:42:07,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 359 [2024-11-07 00:42:07,871 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 00:42:07,871 INFO L215 NwaCegarLoop]: trace histogram [52, 52, 52, 4, 4, 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, 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, 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 00:42:07,888 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-07 00:42:08,072 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 00:42:08,073 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 00:42:08,073 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 00:42:08,073 INFO L85 PathProgramCache]: Analyzing trace with hash -1740526859, now seen corresponding path program 1 times [2024-11-07 00:42:08,073 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 00:42:08,073 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [601885751] [2024-11-07 00:42:08,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 00:42:08,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 00:42:08,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:08,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-07 00:42:08,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:08,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 00:42:08,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:08,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 00:42:08,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:08,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-07 00:42:08,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:08,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-07 00:42:08,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:08,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-07 00:42:08,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:08,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-07 00:42:08,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:08,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-07 00:42:08,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:08,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-07 00:42:08,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:08,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-07 00:42:08,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:08,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-07 00:42:08,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:08,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-07 00:42:08,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:08,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-07 00:42:08,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:08,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-07 00:42:08,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:08,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-07 00:42:08,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:08,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-07 00:42:08,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:08,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-07 00:42:08,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:08,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-07 00:42:08,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:08,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-07 00:42:08,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:08,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-07 00:42:08,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:08,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-07 00:42:08,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:08,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-07 00:42:08,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:08,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-07 00:42:08,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:08,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-07 00:42:08,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:08,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-07 00:42:08,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:08,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-07 00:42:08,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:08,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-07 00:42:08,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:08,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-11-07 00:42:08,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:08,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-11-07 00:42:08,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:08,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-11-07 00:42:08,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:08,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-11-07 00:42:08,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:08,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-11-07 00:42:08,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:08,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-11-07 00:42:08,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:08,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-07 00:42:08,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:08,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-07 00:42:08,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:08,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2024-11-07 00:42:08,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:08,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-11-07 00:42:08,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:08,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-11-07 00:42:08,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:08,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2024-11-07 00:42:08,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:08,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2024-11-07 00:42:08,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:08,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2024-11-07 00:42:08,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:08,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2024-11-07 00:42:08,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:08,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2024-11-07 00:42:08,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:08,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2024-11-07 00:42:08,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:08,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2024-11-07 00:42:08,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:08,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2024-11-07 00:42:08,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:08,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2024-11-07 00:42:08,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:08,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2024-11-07 00:42:08,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:08,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2024-11-07 00:42:08,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:08,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2024-11-07 00:42:08,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:08,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337 [2024-11-07 00:42:08,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:08,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2024-11-07 00:42:08,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:08,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2024-11-07 00:42:08,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:08,771 INFO L134 CoverageAnalysis]: Checked inductivity of 5343 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 5340 trivial. 0 not checked. [2024-11-07 00:42:08,772 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 00:42:08,772 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [601885751] [2024-11-07 00:42:08,772 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [601885751] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 00:42:08,772 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2038674021] [2024-11-07 00:42:08,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 00:42:08,772 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 00:42:08,772 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 00:42:08,778 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 00:42:08,779 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-07 00:42:09,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:09,626 INFO L255 TraceCheckSpWp]: Trace formula consists of 2226 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-07 00:42:09,631 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 00:42:09,713 INFO L134 CoverageAnalysis]: Checked inductivity of 5343 backedges. 1 proven. 16 refuted. 0 times theorem prover too weak. 5326 trivial. 0 not checked. [2024-11-07 00:42:09,714 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 00:42:10,114 INFO L134 CoverageAnalysis]: Checked inductivity of 5343 backedges. 3 proven. 16 refuted. 0 times theorem prover too weak. 5324 trivial. 0 not checked. [2024-11-07 00:42:10,114 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2038674021] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 00:42:10,114 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 00:42:10,115 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 7, 7] total 14 [2024-11-07 00:42:10,115 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1219835971] [2024-11-07 00:42:10,115 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 00:42:10,115 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-07 00:42:10,116 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 00:42:10,116 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-07 00:42:10,116 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=111, Unknown=0, NotChecked=0, Total=182 [2024-11-07 00:42:10,117 INFO L87 Difference]: Start difference. First operand 989 states and 1602 transitions. Second operand has 14 states, 14 states have (on average 8.571428571428571) internal successors, (120), 14 states have internal predecessors, (120), 1 states have call successors, (107), 2 states have call predecessors, (107), 2 states have return successors, (106), 1 states have call predecessors, (106), 1 states have call successors, (106) [2024-11-07 00:42:10,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 00:42:10,773 INFO L93 Difference]: Finished difference Result 2054 states and 3310 transitions. [2024-11-07 00:42:10,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-07 00:42:10,774 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 8.571428571428571) internal successors, (120), 14 states have internal predecessors, (120), 1 states have call successors, (107), 2 states have call predecessors, (107), 2 states have return successors, (106), 1 states have call predecessors, (106), 1 states have call successors, (106) Word has length 358 [2024-11-07 00:42:10,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 00:42:10,780 INFO L225 Difference]: With dead ends: 2054 [2024-11-07 00:42:10,780 INFO L226 Difference]: Without dead ends: 1068 [2024-11-07 00:42:10,784 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 844 GetRequests, 812 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 212 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=396, Invalid=726, Unknown=0, NotChecked=0, Total=1122 [2024-11-07 00:42:10,784 INFO L432 NwaCegarLoop]: 536 mSDtfsCounter, 107 mSDsluCounter, 3189 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 71 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 107 SdHoareTripleChecker+Valid, 3725 SdHoareTripleChecker+Invalid, 159 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 71 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-07 00:42:10,784 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [107 Valid, 3725 Invalid, 159 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [71 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-07 00:42:10,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1068 states. [2024-11-07 00:42:10,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1068 to 1068. [2024-11-07 00:42:10,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1068 states, 656 states have (on average 1.3795731707317074) internal successors, (905), 661 states have internal predecessors, (905), 384 states have call successors, (384), 27 states have call predecessors, (384), 27 states have return successors, (395), 382 states have call predecessors, (395), 382 states have call successors, (395) [2024-11-07 00:42:10,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1068 states to 1068 states and 1684 transitions. [2024-11-07 00:42:10,851 INFO L78 Accepts]: Start accepts. Automaton has 1068 states and 1684 transitions. Word has length 358 [2024-11-07 00:42:10,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 00:42:10,852 INFO L471 AbstractCegarLoop]: Abstraction has 1068 states and 1684 transitions. [2024-11-07 00:42:10,853 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 8.571428571428571) internal successors, (120), 14 states have internal predecessors, (120), 1 states have call successors, (107), 2 states have call predecessors, (107), 2 states have return successors, (106), 1 states have call predecessors, (106), 1 states have call successors, (106) [2024-11-07 00:42:10,853 INFO L276 IsEmpty]: Start isEmpty. Operand 1068 states and 1684 transitions. [2024-11-07 00:42:10,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 438 [2024-11-07 00:42:10,865 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 00:42:10,865 INFO L215 NwaCegarLoop]: trace histogram [52, 52, 52, 20, 20, 20, 20, 6, 6, 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, 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, 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 00:42:10,886 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-07 00:42:11,065 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 00:42:11,066 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 00:42:11,066 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 00:42:11,066 INFO L85 PathProgramCache]: Analyzing trace with hash 673170798, now seen corresponding path program 2 times [2024-11-07 00:42:11,066 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 00:42:11,066 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1587195129] [2024-11-07 00:42:11,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 00:42:11,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 00:42:11,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:12,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-07 00:42:12,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:12,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-07 00:42:12,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:12,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-07 00:42:12,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:12,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-07 00:42:12,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:12,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-07 00:42:12,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:12,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-07 00:42:12,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:12,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-07 00:42:12,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:12,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-07 00:42:12,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:12,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-07 00:42:12,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:12,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-07 00:42:12,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:12,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-07 00:42:12,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:12,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-07 00:42:12,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:12,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-07 00:42:12,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:12,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-11-07 00:42:12,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:12,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-11-07 00:42:12,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:12,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-11-07 00:42:12,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:12,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-11-07 00:42:12,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:12,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-11-07 00:42:12,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:12,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-07 00:42:12,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:12,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-11-07 00:42:12,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:12,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2024-11-07 00:42:12,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:12,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-11-07 00:42:12,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:12,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-11-07 00:42:12,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:12,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-11-07 00:42:12,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:12,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2024-11-07 00:42:12,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:12,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2024-11-07 00:42:12,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:12,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2024-11-07 00:42:12,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:12,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2024-11-07 00:42:12,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:12,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2024-11-07 00:42:12,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:12,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2024-11-07 00:42:12,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:12,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2024-11-07 00:42:12,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:12,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2024-11-07 00:42:12,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:12,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2024-11-07 00:42:12,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:12,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2024-11-07 00:42:12,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:12,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 320 [2024-11-07 00:42:12,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:12,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2024-11-07 00:42:12,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:12,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2024-11-07 00:42:12,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:12,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2024-11-07 00:42:12,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:12,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2024-11-07 00:42:12,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:12,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2024-11-07 00:42:12,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:12,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2024-11-07 00:42:12,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:12,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 362 [2024-11-07 00:42:12,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:12,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2024-11-07 00:42:12,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:12,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2024-11-07 00:42:12,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:12,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 380 [2024-11-07 00:42:12,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:12,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 386 [2024-11-07 00:42:12,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:12,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 392 [2024-11-07 00:42:12,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:12,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 398 [2024-11-07 00:42:12,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:12,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 404 [2024-11-07 00:42:12,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:12,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 410 [2024-11-07 00:42:12,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:12,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 416 [2024-11-07 00:42:12,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:12,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 422 [2024-11-07 00:42:12,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:12,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 428 [2024-11-07 00:42:12,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:12,513 INFO L134 CoverageAnalysis]: Checked inductivity of 6197 backedges. 225 proven. 100 refuted. 0 times theorem prover too weak. 5872 trivial. 0 not checked. [2024-11-07 00:42:12,514 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 00:42:12,514 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1587195129] [2024-11-07 00:42:12,514 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1587195129] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 00:42:12,515 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1460009852] [2024-11-07 00:42:12,515 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-07 00:42:12,515 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 00:42:12,515 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 00:42:12,521 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 00:42:12,523 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-07 00:42:13,774 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-07 00:42:13,774 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-07 00:42:13,780 INFO L255 TraceCheckSpWp]: Trace formula consists of 1264 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-07 00:42:13,786 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 00:42:13,811 INFO L134 CoverageAnalysis]: Checked inductivity of 6197 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6197 trivial. 0 not checked. [2024-11-07 00:42:13,811 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 00:42:13,811 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1460009852] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 00:42:13,811 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-07 00:42:13,811 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [13] total 14 [2024-11-07 00:42:13,811 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [348504591] [2024-11-07 00:42:13,811 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 00:42:13,812 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 00:42:13,812 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 00:42:13,812 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 00:42:13,812 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=102, Unknown=0, NotChecked=0, Total=182 [2024-11-07 00:42:13,813 INFO L87 Difference]: Start difference. First operand 1068 states and 1684 transitions. Second operand has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 1 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (53), 1 states have call predecessors, (53), 1 states have call successors, (53) [2024-11-07 00:42:13,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 00:42:13,847 INFO L93 Difference]: Finished difference Result 1710 states and 2728 transitions. [2024-11-07 00:42:13,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 00:42:13,848 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 1 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (53), 1 states have call predecessors, (53), 1 states have call successors, (53) Word has length 437 [2024-11-07 00:42:13,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 00:42:13,853 INFO L225 Difference]: With dead ends: 1710 [2024-11-07 00:42:13,853 INFO L226 Difference]: Without dead ends: 1068 [2024-11-07 00:42:13,855 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 555 GetRequests, 543 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=80, Invalid=102, Unknown=0, NotChecked=0, Total=182 [2024-11-07 00:42:13,856 INFO L432 NwaCegarLoop]: 543 mSDtfsCounter, 0 mSDsluCounter, 541 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1084 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 00:42:13,856 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1084 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 00:42:13,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1068 states. [2024-11-07 00:42:13,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1068 to 1068. [2024-11-07 00:42:13,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1068 states, 656 states have (on average 1.3780487804878048) internal successors, (904), 661 states have internal predecessors, (904), 384 states have call successors, (384), 27 states have call predecessors, (384), 27 states have return successors, (395), 382 states have call predecessors, (395), 382 states have call successors, (395) [2024-11-07 00:42:13,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1068 states to 1068 states and 1683 transitions. [2024-11-07 00:42:13,906 INFO L78 Accepts]: Start accepts. Automaton has 1068 states and 1683 transitions. Word has length 437 [2024-11-07 00:42:13,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 00:42:13,906 INFO L471 AbstractCegarLoop]: Abstraction has 1068 states and 1683 transitions. [2024-11-07 00:42:13,906 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 1 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (53), 1 states have call predecessors, (53), 1 states have call successors, (53) [2024-11-07 00:42:13,907 INFO L276 IsEmpty]: Start isEmpty. Operand 1068 states and 1683 transitions. [2024-11-07 00:42:13,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 459 [2024-11-07 00:42:13,913 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 00:42:13,913 INFO L215 NwaCegarLoop]: trace histogram [53, 53, 53, 20, 20, 20, 20, 6, 6, 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, 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, 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 00:42:13,941 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-07 00:42:14,114 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-11-07 00:42:14,114 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 00:42:14,115 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 00:42:14,115 INFO L85 PathProgramCache]: Analyzing trace with hash -221761380, now seen corresponding path program 1 times [2024-11-07 00:42:14,115 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 00:42:14,115 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1429170470] [2024-11-07 00:42:14,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 00:42:14,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 00:42:14,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:15,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-07 00:42:15,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:15,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-07 00:42:15,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:15,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 00:42:15,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:15,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 00:42:15,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:15,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-07 00:42:15,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:15,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-07 00:42:15,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:15,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-07 00:42:15,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:15,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-07 00:42:15,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:15,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-07 00:42:15,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:15,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-07 00:42:15,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:15,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-11-07 00:42:15,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:15,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-11-07 00:42:15,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:15,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-11-07 00:42:15,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:15,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-07 00:42:15,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:15,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-07 00:42:15,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:15,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-07 00:42:15,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:15,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-11-07 00:42:15,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:15,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-11-07 00:42:15,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:15,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-11-07 00:42:15,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:15,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-11-07 00:42:15,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:15,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2024-11-07 00:42:15,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:15,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2024-11-07 00:42:15,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:15,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2024-11-07 00:42:15,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:15,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2024-11-07 00:42:15,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:15,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2024-11-07 00:42:15,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:15,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2024-11-07 00:42:15,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:15,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2024-11-07 00:42:15,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:15,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2024-11-07 00:42:15,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:15,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2024-11-07 00:42:15,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:15,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2024-11-07 00:42:15,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:15,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2024-11-07 00:42:15,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:15,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2024-11-07 00:42:15,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:15,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2024-11-07 00:42:15,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:15,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2024-11-07 00:42:15,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:15,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2024-11-07 00:42:15,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:15,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2024-11-07 00:42:15,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:15,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2024-11-07 00:42:15,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:15,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2024-11-07 00:42:15,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:15,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 347 [2024-11-07 00:42:15,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:15,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2024-11-07 00:42:15,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:15,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2024-11-07 00:42:15,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:15,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 365 [2024-11-07 00:42:15,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:15,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 371 [2024-11-07 00:42:15,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:15,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2024-11-07 00:42:15,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:15,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 383 [2024-11-07 00:42:15,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:15,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 389 [2024-11-07 00:42:15,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:15,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 395 [2024-11-07 00:42:15,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:15,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2024-11-07 00:42:15,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:15,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 407 [2024-11-07 00:42:15,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:15,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 413 [2024-11-07 00:42:15,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:15,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 419 [2024-11-07 00:42:15,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:15,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2024-11-07 00:42:15,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:15,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 431 [2024-11-07 00:42:15,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:15,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 437 [2024-11-07 00:42:15,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:15,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 443 [2024-11-07 00:42:15,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:15,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 449 [2024-11-07 00:42:15,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:15,592 INFO L134 CoverageAnalysis]: Checked inductivity of 6405 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 6403 trivial. 0 not checked. [2024-11-07 00:42:15,594 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 00:42:15,594 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1429170470] [2024-11-07 00:42:15,594 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1429170470] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 00:42:15,594 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 00:42:15,594 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-07 00:42:15,594 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [668481474] [2024-11-07 00:42:15,594 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 00:42:15,595 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-07 00:42:15,595 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 00:42:15,595 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-07 00:42:15,595 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-07 00:42:15,596 INFO L87 Difference]: Start difference. First operand 1068 states and 1683 transitions. Second operand has 7 states, 6 states have (on average 16.0) internal successors, (96), 5 states have internal predecessors, (96), 4 states have call successors, (57), 4 states have call predecessors, (57), 2 states have return successors, (56), 3 states have call predecessors, (56), 4 states have call successors, (56) [2024-11-07 00:42:19,631 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-07 00:42:23,648 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-07 00:42:27,658 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-07 00:42:31,669 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-07 00:42:37,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 00:42:37,775 INFO L93 Difference]: Finished difference Result 3026 states and 4901 transitions. [2024-11-07 00:42:37,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-07 00:42:37,775 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 16.0) internal successors, (96), 5 states have internal predecessors, (96), 4 states have call successors, (57), 4 states have call predecessors, (57), 2 states have return successors, (56), 3 states have call predecessors, (56), 4 states have call successors, (56) Word has length 458 [2024-11-07 00:42:37,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 00:42:37,789 INFO L225 Difference]: With dead ends: 3026 [2024-11-07 00:42:37,789 INFO L226 Difference]: Without dead ends: 2070 [2024-11-07 00:42:37,794 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 113 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=45, Invalid=111, Unknown=0, NotChecked=0, Total=156 [2024-11-07 00:42:37,795 INFO L432 NwaCegarLoop]: 419 mSDtfsCounter, 727 mSDsluCounter, 1001 mSDsCounter, 0 mSdLazyCounter, 1177 mSolverCounterSat, 609 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 829 SdHoareTripleChecker+Valid, 1420 SdHoareTripleChecker+Invalid, 1790 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 609 IncrementalHoareTripleChecker+Valid, 1177 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.9s IncrementalHoareTripleChecker+Time [2024-11-07 00:42:37,795 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [829 Valid, 1420 Invalid, 1790 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [609 Valid, 1177 Invalid, 4 Unknown, 0 Unchecked, 20.9s Time] [2024-11-07 00:42:37,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2070 states. [2024-11-07 00:42:37,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2070 to 1078. [2024-11-07 00:42:37,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1078 states, 662 states have (on average 1.3746223564954683) internal successors, (910), 671 states have internal predecessors, (910), 384 states have call successors, (384), 27 states have call predecessors, (384), 31 states have return successors, (407), 382 states have call predecessors, (407), 382 states have call successors, (407) [2024-11-07 00:42:37,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1078 states to 1078 states and 1701 transitions. [2024-11-07 00:42:37,911 INFO L78 Accepts]: Start accepts. Automaton has 1078 states and 1701 transitions. Word has length 458 [2024-11-07 00:42:37,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 00:42:37,912 INFO L471 AbstractCegarLoop]: Abstraction has 1078 states and 1701 transitions. [2024-11-07 00:42:37,912 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 16.0) internal successors, (96), 5 states have internal predecessors, (96), 4 states have call successors, (57), 4 states have call predecessors, (57), 2 states have return successors, (56), 3 states have call predecessors, (56), 4 states have call successors, (56) [2024-11-07 00:42:37,913 INFO L276 IsEmpty]: Start isEmpty. Operand 1078 states and 1701 transitions. [2024-11-07 00:42:37,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 458 [2024-11-07 00:42:37,919 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 00:42:37,919 INFO L215 NwaCegarLoop]: trace histogram [53, 53, 53, 20, 20, 20, 20, 6, 6, 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, 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, 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 00:42:37,920 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-07 00:42:37,920 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 00:42:37,920 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 00:42:37,920 INFO L85 PathProgramCache]: Analyzing trace with hash 456563829, now seen corresponding path program 1 times [2024-11-07 00:42:37,920 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 00:42:37,920 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [964053211] [2024-11-07 00:42:37,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 00:42:37,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 00:42:38,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:40,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-07 00:42:40,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:40,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 00:42:40,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:40,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 00:42:40,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:40,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-07 00:42:40,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:40,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-07 00:42:40,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:40,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-07 00:42:40,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:40,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-07 00:42:40,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:40,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-07 00:42:40,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:40,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-07 00:42:40,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:40,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-07 00:42:40,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:40,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-11-07 00:42:40,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:40,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-11-07 00:42:40,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:40,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-11-07 00:42:40,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:40,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-11-07 00:42:40,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:40,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-11-07 00:42:40,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:40,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-07 00:42:40,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:40,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-11-07 00:42:40,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:40,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-11-07 00:42:40,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:40,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-11-07 00:42:40,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:40,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-11-07 00:42:40,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:40,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-11-07 00:42:40,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:40,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-11-07 00:42:40,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:40,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2024-11-07 00:42:40,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:40,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2024-11-07 00:42:40,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:40,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-11-07 00:42:40,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:40,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2024-11-07 00:42:40,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:40,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2024-11-07 00:42:40,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:40,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2024-11-07 00:42:40,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:40,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2024-11-07 00:42:40,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:40,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2024-11-07 00:42:40,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:40,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2024-11-07 00:42:40,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:40,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2024-11-07 00:42:40,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:40,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2024-11-07 00:42:40,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:40,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2024-11-07 00:42:40,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:40,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2024-11-07 00:42:40,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:40,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2024-11-07 00:42:40,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:40,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 334 [2024-11-07 00:42:40,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:40,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2024-11-07 00:42:40,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:40,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2024-11-07 00:42:40,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:40,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 352 [2024-11-07 00:42:40,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:40,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2024-11-07 00:42:40,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:40,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 364 [2024-11-07 00:42:40,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:40,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2024-11-07 00:42:40,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:40,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2024-11-07 00:42:40,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:40,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 382 [2024-11-07 00:42:40,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:40,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2024-11-07 00:42:40,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:40,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2024-11-07 00:42:40,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:40,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 400 [2024-11-07 00:42:40,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:40,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 406 [2024-11-07 00:42:40,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:40,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 412 [2024-11-07 00:42:40,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:40,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 418 [2024-11-07 00:42:40,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:40,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 424 [2024-11-07 00:42:40,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:40,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2024-11-07 00:42:40,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:40,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 436 [2024-11-07 00:42:40,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:40,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 442 [2024-11-07 00:42:40,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:40,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 448 [2024-11-07 00:42:40,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:40,252 INFO L134 CoverageAnalysis]: Checked inductivity of 6405 backedges. 225 proven. 100 refuted. 0 times theorem prover too weak. 6080 trivial. 0 not checked. [2024-11-07 00:42:40,255 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 00:42:40,255 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [964053211] [2024-11-07 00:42:40,255 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [964053211] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 00:42:40,255 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2047161388] [2024-11-07 00:42:40,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 00:42:40,255 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 00:42:40,255 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 00:42:40,258 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 00:42:40,260 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-07 00:42:41,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:41,499 INFO L255 TraceCheckSpWp]: Trace formula consists of 3170 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-07 00:42:41,506 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 00:42:41,708 INFO L134 CoverageAnalysis]: Checked inductivity of 6405 backedges. 223 proven. 100 refuted. 0 times theorem prover too weak. 6082 trivial. 0 not checked. [2024-11-07 00:42:41,708 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 00:42:43,561 INFO L134 CoverageAnalysis]: Checked inductivity of 6405 backedges. 225 proven. 100 refuted. 0 times theorem prover too weak. 6080 trivial. 0 not checked. [2024-11-07 00:42:43,565 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2047161388] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 00:42:43,565 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 00:42:43,565 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 13, 13] total 25 [2024-11-07 00:42:43,565 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [17054147] [2024-11-07 00:42:43,565 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 00:42:43,566 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2024-11-07 00:42:43,566 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 00:42:43,567 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-11-07 00:42:43,567 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=258, Invalid=342, Unknown=0, NotChecked=0, Total=600 [2024-11-07 00:42:43,568 INFO L87 Difference]: Start difference. First operand 1078 states and 1701 transitions. Second operand has 25 states, 25 states have (on average 6.24) internal successors, (156), 23 states have internal predecessors, (156), 2 states have call successors, (115), 4 states have call predecessors, (115), 2 states have return successors, (112), 2 states have call predecessors, (112), 2 states have call successors, (112) [2024-11-07 00:42:48,306 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-07 00:42:52,316 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-07 00:42:56,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 00:42:56,237 INFO L93 Difference]: Finished difference Result 2222 states and 3512 transitions. [2024-11-07 00:42:56,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-07 00:42:56,237 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 6.24) internal successors, (156), 23 states have internal predecessors, (156), 2 states have call successors, (115), 4 states have call predecessors, (115), 2 states have return successors, (112), 2 states have call predecessors, (112), 2 states have call successors, (112) Word has length 457 [2024-11-07 00:42:56,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 00:42:56,245 INFO L225 Difference]: With dead ends: 2222 [2024-11-07 00:42:56,245 INFO L226 Difference]: Without dead ends: 1168 [2024-11-07 00:42:56,250 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1037 GetRequests, 1012 SyntacticMatches, 2 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 89 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=258, Invalid=342, Unknown=0, NotChecked=0, Total=600 [2024-11-07 00:42:56,250 INFO L432 NwaCegarLoop]: 493 mSDtfsCounter, 95 mSDsluCounter, 2015 mSDsCounter, 0 mSdLazyCounter, 1089 mSolverCounterSat, 204 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 97 SdHoareTripleChecker+Valid, 2508 SdHoareTripleChecker+Invalid, 1295 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 204 IncrementalHoareTripleChecker+Valid, 1089 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.5s IncrementalHoareTripleChecker+Time [2024-11-07 00:42:56,250 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [97 Valid, 2508 Invalid, 1295 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [204 Valid, 1089 Invalid, 2 Unknown, 0 Unchecked, 12.5s Time] [2024-11-07 00:42:56,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1168 states. [2024-11-07 00:42:56,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1168 to 1158. [2024-11-07 00:42:56,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1158 states, 742 states have (on average 1.3342318059299192) internal successors, (990), 751 states have internal predecessors, (990), 384 states have call successors, (384), 27 states have call predecessors, (384), 31 states have return successors, (407), 382 states have call predecessors, (407), 382 states have call successors, (407) [2024-11-07 00:42:56,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1158 states to 1158 states and 1781 transitions. [2024-11-07 00:42:56,360 INFO L78 Accepts]: Start accepts. Automaton has 1158 states and 1781 transitions. Word has length 457 [2024-11-07 00:42:56,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 00:42:56,360 INFO L471 AbstractCegarLoop]: Abstraction has 1158 states and 1781 transitions. [2024-11-07 00:42:56,361 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 6.24) internal successors, (156), 23 states have internal predecessors, (156), 2 states have call successors, (115), 4 states have call predecessors, (115), 2 states have return successors, (112), 2 states have call predecessors, (112), 2 states have call successors, (112) [2024-11-07 00:42:56,361 INFO L276 IsEmpty]: Start isEmpty. Operand 1158 states and 1781 transitions. [2024-11-07 00:42:56,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 538 [2024-11-07 00:42:56,369 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 00:42:56,370 INFO L215 NwaCegarLoop]: trace histogram [53, 53, 53, 40, 40, 40, 40, 6, 6, 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, 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, 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 00:42:56,399 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-07 00:42:56,570 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 00:42:56,571 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 00:42:56,571 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 00:42:56,571 INFO L85 PathProgramCache]: Analyzing trace with hash 1601342581, now seen corresponding path program 2 times [2024-11-07 00:42:56,571 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 00:42:56,571 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2130901049] [2024-11-07 00:42:56,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 00:42:56,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 00:42:57,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:59,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-11-07 00:42:59,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:59,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 00:42:59,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:59,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 00:42:59,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:59,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-11-07 00:42:59,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:59,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-11-07 00:42:59,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:59,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2024-11-07 00:42:59,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:59,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2024-11-07 00:42:59,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:59,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2024-11-07 00:42:59,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:59,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-11-07 00:42:59,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:59,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2024-11-07 00:42:59,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:59,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2024-11-07 00:42:59,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:59,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2024-11-07 00:42:59,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:59,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2024-11-07 00:42:59,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:59,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2024-11-07 00:42:59,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:59,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2024-11-07 00:42:59,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:59,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2024-11-07 00:42:59,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:59,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2024-11-07 00:42:59,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:59,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2024-11-07 00:42:59,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:59,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2024-11-07 00:42:59,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:59,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2024-11-07 00:42:59,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:59,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2024-11-07 00:42:59,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:59,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2024-11-07 00:42:59,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:59,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2024-11-07 00:42:59,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:59,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2024-11-07 00:42:59,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:59,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2024-11-07 00:42:59,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:59,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2024-11-07 00:42:59,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:59,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2024-11-07 00:42:59,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:59,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 360 [2024-11-07 00:42:59,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:59,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2024-11-07 00:42:59,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:59,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 372 [2024-11-07 00:42:59,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:59,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 378 [2024-11-07 00:42:59,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:59,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 384 [2024-11-07 00:42:59,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:59,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 390 [2024-11-07 00:42:59,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:59,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 396 [2024-11-07 00:42:59,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:59,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 402 [2024-11-07 00:42:59,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:59,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 408 [2024-11-07 00:42:59,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:59,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2024-11-07 00:42:59,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:59,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 420 [2024-11-07 00:42:59,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:59,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 426 [2024-11-07 00:42:59,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:59,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 432 [2024-11-07 00:42:59,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:59,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 438 [2024-11-07 00:42:59,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:59,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 444 [2024-11-07 00:42:59,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:59,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 450 [2024-11-07 00:42:59,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:59,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 456 [2024-11-07 00:42:59,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:59,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 462 [2024-11-07 00:42:59,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:59,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 468 [2024-11-07 00:42:59,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:59,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 474 [2024-11-07 00:42:59,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:59,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 480 [2024-11-07 00:42:59,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:59,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 486 [2024-11-07 00:42:59,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:59,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 492 [2024-11-07 00:42:59,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:59,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 498 [2024-11-07 00:42:59,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:59,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 504 [2024-11-07 00:42:59,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:59,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 510 [2024-11-07 00:42:59,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:59,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 516 [2024-11-07 00:42:59,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:59,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 522 [2024-11-07 00:42:59,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:59,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 528 [2024-11-07 00:42:59,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:42:59,407 INFO L134 CoverageAnalysis]: Checked inductivity of 8845 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 8843 trivial. 0 not checked. [2024-11-07 00:42:59,407 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 00:42:59,407 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2130901049] [2024-11-07 00:42:59,407 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2130901049] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 00:42:59,407 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 00:42:59,407 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-07 00:42:59,407 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [795971645] [2024-11-07 00:42:59,408 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 00:42:59,408 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-07 00:42:59,408 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 00:42:59,409 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-07 00:42:59,409 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-07 00:42:59,409 INFO L87 Difference]: Start difference. First operand 1158 states and 1781 transitions. Second operand has 8 states, 8 states have (on average 11.875) internal successors, (95), 5 states have internal predecessors, (95), 3 states have call successors, (57), 4 states have call predecessors, (57), 2 states have return successors, (56), 3 states have call predecessors, (56), 3 states have call successors, (56) [2024-11-07 00:43:03,455 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-07 00:43:08,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 00:43:08,895 INFO L93 Difference]: Finished difference Result 1201 states and 1841 transitions. [2024-11-07 00:43:08,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-07 00:43:08,895 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.875) internal successors, (95), 5 states have internal predecessors, (95), 3 states have call successors, (57), 4 states have call predecessors, (57), 2 states have return successors, (56), 3 states have call predecessors, (56), 3 states have call successors, (56) Word has length 537 [2024-11-07 00:43:08,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 00:43:08,902 INFO L225 Difference]: With dead ends: 1201 [2024-11-07 00:43:08,902 INFO L226 Difference]: Without dead ends: 1199 [2024-11-07 00:43:08,903 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=64, Invalid=118, Unknown=0, NotChecked=0, Total=182 [2024-11-07 00:43:08,905 INFO L432 NwaCegarLoop]: 390 mSDtfsCounter, 762 mSDsluCounter, 1277 mSDsCounter, 0 mSdLazyCounter, 1236 mSolverCounterSat, 983 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 828 SdHoareTripleChecker+Valid, 1667 SdHoareTripleChecker+Invalid, 2220 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 983 IncrementalHoareTripleChecker+Valid, 1236 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.3s IncrementalHoareTripleChecker+Time [2024-11-07 00:43:08,905 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [828 Valid, 1667 Invalid, 2220 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [983 Valid, 1236 Invalid, 1 Unknown, 0 Unchecked, 8.3s Time] [2024-11-07 00:43:08,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1199 states. [2024-11-07 00:43:08,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1199 to 1181. [2024-11-07 00:43:08,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1181 states, 758 states have (on average 1.3324538258575198) internal successors, (1010), 765 states have internal predecessors, (1010), 389 states have call successors, (389), 28 states have call predecessors, (389), 33 states have return successors, (415), 390 states have call predecessors, (415), 387 states have call successors, (415) [2024-11-07 00:43:08,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1181 states to 1181 states and 1814 transitions. [2024-11-07 00:43:08,987 INFO L78 Accepts]: Start accepts. Automaton has 1181 states and 1814 transitions. Word has length 537 [2024-11-07 00:43:08,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 00:43:08,988 INFO L471 AbstractCegarLoop]: Abstraction has 1181 states and 1814 transitions. [2024-11-07 00:43:08,988 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.875) internal successors, (95), 5 states have internal predecessors, (95), 3 states have call successors, (57), 4 states have call predecessors, (57), 2 states have return successors, (56), 3 states have call predecessors, (56), 3 states have call successors, (56) [2024-11-07 00:43:08,988 INFO L276 IsEmpty]: Start isEmpty. Operand 1181 states and 1814 transitions. [2024-11-07 00:43:08,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 543 [2024-11-07 00:43:08,995 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 00:43:08,995 INFO L215 NwaCegarLoop]: trace histogram [53, 53, 53, 40, 40, 40, 40, 6, 6, 3, 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, 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, 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 00:43:08,995 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-07 00:43:08,996 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 00:43:08,996 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 00:43:08,996 INFO L85 PathProgramCache]: Analyzing trace with hash 1927691500, now seen corresponding path program 1 times [2024-11-07 00:43:08,996 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 00:43:08,997 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [841449129] [2024-11-07 00:43:08,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 00:43:08,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms