./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/email_spec27_product28.cil.c --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/product-lines/email_spec27_product28.cil.c', '-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', '4fb12138b73b283c9fdc444b2c9ebb4aa3340005d69e98d463fd0b0beb9c1e74'] 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/product-lines/email_spec27_product28.cil.c -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 4fb12138b73b283c9fdc444b2c9ebb4aa3340005d69e98d463fd0b0beb9c1e74 --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-06 23:31:36,966 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-06 23:31:37,072 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-06 23:31:37,078 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-06 23:31:37,079 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-06 23:31:37,106 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-06 23:31:37,108 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-06 23:31:37,109 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-06 23:31:37,109 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-06 23:31:37,109 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-06 23:31:37,109 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-06 23:31:37,110 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-06 23:31:37,111 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-06 23:31:37,111 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-06 23:31:37,112 INFO L153 SettingsManager]: * Use SBE=true [2024-11-06 23:31:37,112 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-06 23:31:37,112 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-06 23:31:37,112 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-06 23:31:37,112 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-06 23:31:37,112 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-06 23:31:37,112 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-06 23:31:37,112 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-06 23:31:37,112 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-06 23:31:37,113 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-06 23:31:37,113 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-06 23:31:37,113 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-06 23:31:37,113 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-06 23:31:37,113 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-06 23:31:37,113 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-06 23:31:37,113 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-06 23:31:37,113 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-06 23:31:37,113 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-06 23:31:37,113 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-06 23:31:37,114 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-06 23:31:37,114 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-06 23:31:37,114 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-06 23:31:37,114 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-06 23:31:37,114 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-06 23:31:37,115 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-06 23:31:37,115 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-06 23:31:37,115 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-06 23:31:37,115 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-06 23:31:37,116 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 -> 4fb12138b73b283c9fdc444b2c9ebb4aa3340005d69e98d463fd0b0beb9c1e74 [2024-11-06 23:31:37,406 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-06 23:31:37,414 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-06 23:31:37,415 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-06 23:31:37,418 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-06 23:31:37,418 INFO L274 PluginConnector]: CDTParser initialized [2024-11-06 23:31:37,419 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec27_product28.cil.c [2024-11-06 23:31:38,788 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-06 23:31:39,143 INFO L384 CDTParser]: Found 1 translation units. [2024-11-06 23:31:39,143 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec27_product28.cil.c [2024-11-06 23:31:39,170 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/07a3e1f69/ace9fc1682704d33a7c0d5a817ee2ab5/FLAG9892e8e2f [2024-11-06 23:31:39,192 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/07a3e1f69/ace9fc1682704d33a7c0d5a817ee2ab5 [2024-11-06 23:31:39,195 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-06 23:31:39,197 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-06 23:31:39,200 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-06 23:31:39,200 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-06 23:31:39,204 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-06 23:31:39,205 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 11:31:39" (1/1) ... [2024-11-06 23:31:39,207 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1bbf8a87 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:31:39, skipping insertion in model container [2024-11-06 23:31:39,208 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 11:31:39" (1/1) ... [2024-11-06 23:31:39,274 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-06 23:31:39,752 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/product-lines/email_spec27_product28.cil.c[32786,32799] [2024-11-06 23:31:39,845 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-06 23:31:39,863 INFO L200 MainTranslator]: Completed pre-run [2024-11-06 23:31:39,872 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"VerifyForward_spec.i","") [48] [2024-11-06 23:31:39,874 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [95] [2024-11-06 23:31:39,874 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [386] [2024-11-06 23:31:39,874 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [532] [2024-11-06 23:31:39,875 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [898] [2024-11-06 23:31:39,875 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [1300] [2024-11-06 23:31:39,875 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [1622] [2024-11-06 23:31:39,875 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [1631] [2024-11-06 23:31:39,875 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [1648] [2024-11-06 23:31:39,875 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [1683] [2024-11-06 23:31:39,875 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [2752] [2024-11-06 23:31:39,955 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/product-lines/email_spec27_product28.cil.c[32786,32799] [2024-11-06 23:31:40,001 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-06 23:31:40,040 INFO L204 MainTranslator]: Completed translation [2024-11-06 23:31:40,041 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:31:40 WrapperNode [2024-11-06 23:31:40,041 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-06 23:31:40,042 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-06 23:31:40,042 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-06 23:31:40,042 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-06 23:31:40,047 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:31:40" (1/1) ... [2024-11-06 23:31:40,080 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:31:40" (1/1) ... [2024-11-06 23:31:40,129 INFO L138 Inliner]: procedures = 128, calls = 197, calls flagged for inlining = 54, calls inlined = 45, statements flattened = 866 [2024-11-06 23:31:40,133 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-06 23:31:40,134 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-06 23:31:40,134 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-06 23:31:40,134 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-06 23:31:40,145 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:31:40" (1/1) ... [2024-11-06 23:31:40,146 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:31:40" (1/1) ... [2024-11-06 23:31:40,154 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:31:40" (1/1) ... [2024-11-06 23:31:40,197 INFO L175 MemorySlicer]: Split 14 memory accesses to 4 slices as follows [2, 4, 4, 4]. 29 percent of accesses are in the largest equivalence class. The 14 initializations are split as follows [2, 4, 4, 4]. The 0 writes are split as follows [0, 0, 0, 0]. [2024-11-06 23:31:40,201 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:31:40" (1/1) ... [2024-11-06 23:31:40,201 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:31:40" (1/1) ... [2024-11-06 23:31:40,221 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:31:40" (1/1) ... [2024-11-06 23:31:40,230 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:31:40" (1/1) ... [2024-11-06 23:31:40,234 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:31:40" (1/1) ... [2024-11-06 23:31:40,238 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:31:40" (1/1) ... [2024-11-06 23:31:40,243 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-06 23:31:40,244 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-06 23:31:40,245 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-06 23:31:40,245 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-06 23:31:40,246 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:31:40" (1/1) ... [2024-11-06 23:31:40,250 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-06 23:31:40,263 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-06 23:31:40,288 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) [2024-11-06 23:31:40,292 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 [2024-11-06 23:31:40,320 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2024-11-06 23:31:40,321 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2024-11-06 23:31:40,321 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2024-11-06 23:31:40,321 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2024-11-06 23:31:40,321 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2024-11-06 23:31:40,321 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2024-11-06 23:31:40,321 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2024-11-06 23:31:40,321 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2024-11-06 23:31:40,322 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2024-11-06 23:31:40,322 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2024-11-06 23:31:40,322 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2024-11-06 23:31:40,322 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2024-11-06 23:31:40,322 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2024-11-06 23:31:40,322 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2024-11-06 23:31:40,323 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2024-11-06 23:31:40,324 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2024-11-06 23:31:40,324 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2024-11-06 23:31:40,324 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2024-11-06 23:31:40,324 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2024-11-06 23:31:40,324 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2024-11-06 23:31:40,324 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2024-11-06 23:31:40,324 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2024-11-06 23:31:40,324 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2024-11-06 23:31:40,324 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2024-11-06 23:31:40,324 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-06 23:31:40,324 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2024-11-06 23:31:40,326 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2024-11-06 23:31:40,326 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2024-11-06 23:31:40,326 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2024-11-06 23:31:40,326 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2024-11-06 23:31:40,326 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2024-11-06 23:31:40,326 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2024-11-06 23:31:40,326 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2024-11-06 23:31:40,326 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2024-11-06 23:31:40,326 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2024-11-06 23:31:40,326 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2024-11-06 23:31:40,326 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2024-11-06 23:31:40,326 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2024-11-06 23:31:40,326 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2024-11-06 23:31:40,327 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2024-11-06 23:31:40,327 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2024-11-06 23:31:40,327 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2024-11-06 23:31:40,327 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2024-11-06 23:31:40,327 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2024-11-06 23:31:40,327 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2024-11-06 23:31:40,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-06 23:31:40,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-06 23:31:40,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-06 23:31:40,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-06 23:31:40,327 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2024-11-06 23:31:40,327 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2024-11-06 23:31:40,327 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-06 23:31:40,327 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-06 23:31:40,540 INFO L238 CfgBuilder]: Building ICFG [2024-11-06 23:31:40,542 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-06 23:31:41,474 INFO L? ?]: Removed 406 outVars from TransFormulas that were not future-live. [2024-11-06 23:31:41,474 INFO L287 CfgBuilder]: Performing block encoding [2024-11-06 23:31:41,497 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-06 23:31:41,497 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-06 23:31:41,498 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:31:41 BoogieIcfgContainer [2024-11-06 23:31:41,498 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-06 23:31:41,500 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-06 23:31:41,500 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-06 23:31:41,505 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-06 23:31:41,505 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 11:31:39" (1/3) ... [2024-11-06 23:31:41,505 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e7b04d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 11:31:41, skipping insertion in model container [2024-11-06 23:31:41,506 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:31:40" (2/3) ... [2024-11-06 23:31:41,506 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e7b04d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 11:31:41, skipping insertion in model container [2024-11-06 23:31:41,506 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:31:41" (3/3) ... [2024-11-06 23:31:41,507 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec27_product28.cil.c [2024-11-06 23:31:41,521 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-06 23:31:41,521 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-06 23:31:41,591 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-06 23:31:41,602 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;@26626a62, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-06 23:31:41,602 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-06 23:31:41,610 INFO L276 IsEmpty]: Start isEmpty. Operand has 334 states, 258 states have (on average 1.5193798449612403) internal successors, (392), 262 states have internal predecessors, (392), 51 states have call successors, (51), 23 states have call predecessors, (51), 23 states have return successors, (51), 51 states have call predecessors, (51), 51 states have call successors, (51) [2024-11-06 23:31:41,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-11-06 23:31:41,628 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 23:31:41,629 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-06 23:31:41,629 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 23:31:41,633 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 23:31:41,633 INFO L85 PathProgramCache]: Analyzing trace with hash -1749849167, now seen corresponding path program 1 times [2024-11-06 23:31:41,638 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-06 23:31:41,639 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1441864958] [2024-11-06 23:31:41,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 23:31:41,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-06 23:31:41,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:31:42,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-06 23:31:42,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:31:42,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-06 23:31:42,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:31:42,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-06 23:31:42,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:31:42,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-06 23:31:42,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:31:42,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-06 23:31:42,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:31:42,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-06 23:31:42,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:31:42,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-06 23:31:42,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:31:42,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-06 23:31:42,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:31:42,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-06 23:31:42,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:31:42,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-06 23:31:42,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:31:42,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-06 23:31:42,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:31:42,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-06 23:31:42,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:31:42,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-06 23:31:42,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:31:42,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-06 23:31:42,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:31:42,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-06 23:31:42,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:31:42,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-06 23:31:42,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:31:42,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-06 23:31:42,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:31:42,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-06 23:31:42,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:31:42,577 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2024-11-06 23:31:42,578 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-06 23:31:42,580 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1441864958] [2024-11-06 23:31:42,581 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1441864958] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-06 23:31:42,581 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1138373082] [2024-11-06 23:31:42,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 23:31:42,581 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-06 23:31:42,582 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-06 23:31:42,584 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) [2024-11-06 23:31:42,587 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 [2024-11-06 23:31:42,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:31:42,984 INFO L255 TraceCheckSpWp]: Trace formula consists of 1133 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-06 23:31:42,994 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-06 23:31:43,024 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2024-11-06 23:31:43,025 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-06 23:31:43,026 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1138373082] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 23:31:43,026 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-06 23:31:43,026 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [8] total 8 [2024-11-06 23:31:43,029 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1132516516] [2024-11-06 23:31:43,030 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 23:31:43,034 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-06 23:31:43,034 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-06 23:31:43,055 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-06 23:31:43,056 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-06 23:31:43,058 INFO L87 Difference]: Start difference. First operand has 334 states, 258 states have (on average 1.5193798449612403) internal successors, (392), 262 states have internal predecessors, (392), 51 states have call successors, (51), 23 states have call predecessors, (51), 23 states have return successors, (51), 51 states have call predecessors, (51), 51 states have call successors, (51) Second operand has 2 states, 2 states have (on average 38.0) internal successors, (76), 2 states have internal predecessors, (76), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-06 23:31:43,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 23:31:43,121 INFO L93 Difference]: Finished difference Result 519 states and 750 transitions. [2024-11-06 23:31:43,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-06 23:31:43,123 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 38.0) internal successors, (76), 2 states have internal predecessors, (76), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 139 [2024-11-06 23:31:43,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 23:31:43,132 INFO L225 Difference]: With dead ends: 519 [2024-11-06 23:31:43,132 INFO L226 Difference]: Without dead ends: 327 [2024-11-06 23:31:43,136 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 178 GetRequests, 172 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-06 23:31:43,139 INFO L432 NwaCegarLoop]: 490 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 490 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-06 23:31:43,139 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 490 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-06 23:31:43,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 327 states. [2024-11-06 23:31:43,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 327 to 327. [2024-11-06 23:31:43,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 327 states, 252 states have (on average 1.5119047619047619) internal successors, (381), 255 states have internal predecessors, (381), 51 states have call successors, (51), 23 states have call predecessors, (51), 23 states have return successors, (50), 50 states have call predecessors, (50), 50 states have call successors, (50) [2024-11-06 23:31:43,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 327 states and 482 transitions. [2024-11-06 23:31:43,217 INFO L78 Accepts]: Start accepts. Automaton has 327 states and 482 transitions. Word has length 139 [2024-11-06 23:31:43,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 23:31:43,219 INFO L471 AbstractCegarLoop]: Abstraction has 327 states and 482 transitions. [2024-11-06 23:31:43,220 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 38.0) internal successors, (76), 2 states have internal predecessors, (76), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-06 23:31:43,220 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 482 transitions. [2024-11-06 23:31:43,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-11-06 23:31:43,229 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 23:31:43,230 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-06 23:31:43,252 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-06 23:31:43,430 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-06 23:31:43,431 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 23:31:43,431 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 23:31:43,431 INFO L85 PathProgramCache]: Analyzing trace with hash -1360645034, now seen corresponding path program 1 times [2024-11-06 23:31:43,431 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-06 23:31:43,431 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1258884795] [2024-11-06 23:31:43,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 23:31:43,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-06 23:31:43,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:31:43,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-06 23:31:43,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:31:43,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-06 23:31:43,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:31:43,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-06 23:31:43,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:31:43,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-06 23:31:43,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:31:43,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-06 23:31:43,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:31:43,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-06 23:31:43,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:31:43,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-06 23:31:43,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:31:43,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-06 23:31:43,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:31:43,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-06 23:31:43,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:31:43,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-06 23:31:43,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:31:43,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-06 23:31:43,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:31:43,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-06 23:31:43,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:31:43,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-06 23:31:43,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:31:43,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-06 23:31:43,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:31:43,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-06 23:31:43,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:31:43,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-06 23:31:43,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:31:43,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-06 23:31:43,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:31:43,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-06 23:31:43,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:31:43,870 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2024-11-06 23:31:43,870 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-06 23:31:43,871 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1258884795] [2024-11-06 23:31:43,871 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1258884795] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-06 23:31:43,871 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1288824820] [2024-11-06 23:31:43,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 23:31:43,872 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-06 23:31:43,872 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-06 23:31:43,875 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) [2024-11-06 23:31:43,877 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 [2024-11-06 23:31:44,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:31:44,217 INFO L255 TraceCheckSpWp]: Trace formula consists of 1134 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-06 23:31:44,222 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-06 23:31:44,245 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2024-11-06 23:31:44,246 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-06 23:31:44,246 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1288824820] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 23:31:44,246 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-06 23:31:44,250 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2024-11-06 23:31:44,250 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [581137797] [2024-11-06 23:31:44,250 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 23:31:44,251 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-06 23:31:44,251 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-06 23:31:44,252 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-06 23:31:44,252 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-06 23:31:44,253 INFO L87 Difference]: Start difference. First operand 327 states and 482 transitions. Second operand has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-06 23:31:44,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 23:31:44,287 INFO L93 Difference]: Finished difference Result 509 states and 731 transitions. [2024-11-06 23:31:44,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-06 23:31:44,288 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 140 [2024-11-06 23:31:44,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 23:31:44,291 INFO L225 Difference]: With dead ends: 509 [2024-11-06 23:31:44,291 INFO L226 Difference]: Without dead ends: 330 [2024-11-06 23:31:44,293 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 179 GetRequests, 172 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-06 23:31:44,295 INFO L432 NwaCegarLoop]: 480 mSDtfsCounter, 1 mSDsluCounter, 478 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 958 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-06 23:31:44,296 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 958 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-06 23:31:44,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 330 states. [2024-11-06 23:31:44,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 330 to 329. [2024-11-06 23:31:44,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 329 states, 254 states have (on average 1.5078740157480315) internal successors, (383), 257 states have internal predecessors, (383), 51 states have call successors, (51), 23 states have call predecessors, (51), 23 states have return successors, (50), 50 states have call predecessors, (50), 50 states have call successors, (50) [2024-11-06 23:31:44,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 329 states and 484 transitions. [2024-11-06 23:31:44,336 INFO L78 Accepts]: Start accepts. Automaton has 329 states and 484 transitions. Word has length 140 [2024-11-06 23:31:44,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 23:31:44,336 INFO L471 AbstractCegarLoop]: Abstraction has 329 states and 484 transitions. [2024-11-06 23:31:44,336 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-06 23:31:44,336 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 484 transitions. [2024-11-06 23:31:44,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2024-11-06 23:31:44,342 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 23:31:44,343 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-06 23:31:44,361 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 [2024-11-06 23:31:44,543 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-06 23:31:44,544 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 23:31:44,544 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 23:31:44,544 INFO L85 PathProgramCache]: Analyzing trace with hash 440032415, now seen corresponding path program 1 times [2024-11-06 23:31:44,547 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-06 23:31:44,547 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1151647925] [2024-11-06 23:31:44,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 23:31:44,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-06 23:31:44,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:31:44,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-06 23:31:44,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:31:44,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-06 23:31:44,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:31:44,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-06 23:31:44,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:31:44,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-06 23:31:44,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:31:44,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-06 23:31:44,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:31:44,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-06 23:31:44,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:31:44,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-06 23:31:44,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:31:44,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-06 23:31:44,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:31:44,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-06 23:31:44,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:31:44,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-06 23:31:44,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:31:44,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-06 23:31:44,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:31:44,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-06 23:31:44,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:31:44,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-06 23:31:44,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:31:44,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-06 23:31:44,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:31:44,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-06 23:31:44,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:31:44,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-06 23:31:44,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:31:44,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-06 23:31:44,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:31:44,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-06 23:31:44,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:31:44,912 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2024-11-06 23:31:44,912 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-06 23:31:44,913 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1151647925] [2024-11-06 23:31:44,913 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1151647925] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-06 23:31:44,913 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1905054287] [2024-11-06 23:31:44,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 23:31:44,913 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-06 23:31:44,913 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-06 23:31:44,916 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) [2024-11-06 23:31:44,917 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 [2024-11-06 23:31:45,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:31:45,270 INFO L255 TraceCheckSpWp]: Trace formula consists of 1146 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-06 23:31:45,277 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-06 23:31:45,298 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2024-11-06 23:31:45,298 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-06 23:31:45,298 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1905054287] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 23:31:45,298 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-06 23:31:45,299 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2024-11-06 23:31:45,299 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1834834363] [2024-11-06 23:31:45,299 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 23:31:45,299 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-06 23:31:45,299 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-06 23:31:45,300 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-06 23:31:45,300 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-06 23:31:45,300 INFO L87 Difference]: Start difference. First operand 329 states and 484 transitions. Second operand has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-06 23:31:45,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 23:31:45,364 INFO L93 Difference]: Finished difference Result 683 states and 1019 transitions. [2024-11-06 23:31:45,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-06 23:31:45,365 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), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 146 [2024-11-06 23:31:45,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 23:31:45,370 INFO L225 Difference]: With dead ends: 683 [2024-11-06 23:31:45,373 INFO L226 Difference]: Without dead ends: 381 [2024-11-06 23:31:45,375 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 185 GetRequests, 178 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-06 23:31:45,378 INFO L432 NwaCegarLoop]: 492 mSDtfsCounter, 99 mSDsluCounter, 435 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 114 SdHoareTripleChecker+Valid, 927 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-06 23:31:45,378 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [114 Valid, 927 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-06 23:31:45,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 381 states. [2024-11-06 23:31:45,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 381 to 373. [2024-11-06 23:31:45,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 373 states, 287 states have (on average 1.5226480836236933) internal successors, (437), 290 states have internal predecessors, (437), 62 states have call successors, (62), 23 states have call predecessors, (62), 23 states have return successors, (61), 61 states have call predecessors, (61), 61 states have call successors, (61) [2024-11-06 23:31:45,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 373 states and 560 transitions. [2024-11-06 23:31:45,408 INFO L78 Accepts]: Start accepts. Automaton has 373 states and 560 transitions. Word has length 146 [2024-11-06 23:31:45,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 23:31:45,408 INFO L471 AbstractCegarLoop]: Abstraction has 373 states and 560 transitions. [2024-11-06 23:31:45,409 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), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-06 23:31:45,410 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 560 transitions. [2024-11-06 23:31:45,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2024-11-06 23:31:45,413 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 23:31:45,413 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-06 23:31:45,432 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-06 23:31:45,617 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-06 23:31:45,617 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 23:31:45,617 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 23:31:45,617 INFO L85 PathProgramCache]: Analyzing trace with hash -782479930, now seen corresponding path program 1 times [2024-11-06 23:31:45,618 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-06 23:31:45,618 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1425893519] [2024-11-06 23:31:45,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 23:31:45,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-06 23:31:45,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:31:45,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-06 23:31:45,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:31:45,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-06 23:31:45,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:31:45,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-06 23:31:45,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:31:45,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-06 23:31:45,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:31:45,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-06 23:31:45,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:31:45,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-06 23:31:45,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:31:45,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-06 23:31:45,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:31:45,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-06 23:31:45,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:31:45,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-06 23:31:45,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:31:45,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-06 23:31:45,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:31:45,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-06 23:31:45,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:31:45,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-06 23:31:45,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:31:45,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-06 23:31:45,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:31:45,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-06 23:31:45,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:31:45,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-06 23:31:45,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:31:45,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-06 23:31:45,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:31:45,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-06 23:31:45,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:31:45,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-06 23:31:45,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:31:45,942 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2024-11-06 23:31:45,942 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-06 23:31:45,942 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1425893519] [2024-11-06 23:31:45,942 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1425893519] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-06 23:31:45,942 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [231219675] [2024-11-06 23:31:45,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 23:31:45,942 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-06 23:31:45,942 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-06 23:31:45,946 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) [2024-11-06 23:31:45,948 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 [2024-11-06 23:31:46,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:31:46,302 INFO L255 TraceCheckSpWp]: Trace formula consists of 1151 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-06 23:31:46,310 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-06 23:31:46,388 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-06 23:31:46,389 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-06 23:31:46,389 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [231219675] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 23:31:46,390 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-06 23:31:46,390 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 11 [2024-11-06 23:31:46,390 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [760645282] [2024-11-06 23:31:46,390 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 23:31:46,391 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-06 23:31:46,391 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-06 23:31:46,391 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-06 23:31:46,392 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2024-11-06 23:31:46,392 INFO L87 Difference]: Start difference. First operand 373 states and 560 transitions. Second operand has 5 states, 4 states have (on average 23.0) internal successors, (92), 5 states have internal predecessors, (92), 3 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (18), 2 states have call predecessors, (18), 3 states have call successors, (18) [2024-11-06 23:31:46,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 23:31:46,472 INFO L93 Difference]: Finished difference Result 737 states and 1110 transitions. [2024-11-06 23:31:46,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-06 23:31:46,473 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 23.0) internal successors, (92), 5 states have internal predecessors, (92), 3 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (18), 2 states have call predecessors, (18), 3 states have call successors, (18) Word has length 147 [2024-11-06 23:31:46,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 23:31:46,476 INFO L225 Difference]: With dead ends: 737 [2024-11-06 23:31:46,477 INFO L226 Difference]: Without dead ends: 375 [2024-11-06 23:31:46,479 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 186 GetRequests, 177 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2024-11-06 23:31:46,479 INFO L432 NwaCegarLoop]: 474 mSDtfsCounter, 2 mSDsluCounter, 1411 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 1885 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-06 23:31:46,479 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 1885 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-06 23:31:46,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 375 states. [2024-11-06 23:31:46,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 375 to 375. [2024-11-06 23:31:46,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 375 states, 288 states have (on average 1.5208333333333333) internal successors, (438), 292 states have internal predecessors, (438), 62 states have call successors, (62), 23 states have call predecessors, (62), 24 states have return successors, (63), 61 states have call predecessors, (63), 61 states have call successors, (63) [2024-11-06 23:31:46,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 375 states and 563 transitions. [2024-11-06 23:31:46,506 INFO L78 Accepts]: Start accepts. Automaton has 375 states and 563 transitions. Word has length 147 [2024-11-06 23:31:46,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 23:31:46,506 INFO L471 AbstractCegarLoop]: Abstraction has 375 states and 563 transitions. [2024-11-06 23:31:46,508 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 23.0) internal successors, (92), 5 states have internal predecessors, (92), 3 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (18), 2 states have call predecessors, (18), 3 states have call successors, (18) [2024-11-06 23:31:46,508 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 563 transitions. [2024-11-06 23:31:46,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2024-11-06 23:31:46,511 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 23:31:46,511 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-06 23:31:46,532 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-06 23:31:46,712 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-06 23:31:46,712 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 23:31:46,712 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 23:31:46,713 INFO L85 PathProgramCache]: Analyzing trace with hash -860675365, now seen corresponding path program 1 times [2024-11-06 23:31:46,713 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-06 23:31:46,713 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1466456260] [2024-11-06 23:31:46,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 23:31:46,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-06 23:31:46,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:31:46,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-06 23:31:46,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:31:46,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-06 23:31:46,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:31:46,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-06 23:31:46,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:31:46,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-06 23:31:46,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:31:47,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-06 23:31:47,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:31:47,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-06 23:31:47,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:31:47,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-06 23:31:47,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:31:47,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-06 23:31:47,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:31:47,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-06 23:31:47,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:31:47,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-06 23:31:47,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:31:47,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-06 23:31:47,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:31:47,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-06 23:31:47,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:31:47,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-06 23:31:47,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:31:47,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-06 23:31:47,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:31:47,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-06 23:31:47,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:31:47,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-06 23:31:47,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:31:47,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-06 23:31:47,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:31:47,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-06 23:31:47,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:31:47,056 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2024-11-06 23:31:47,056 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-06 23:31:47,056 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1466456260] [2024-11-06 23:31:47,057 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1466456260] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-06 23:31:47,057 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1745268093] [2024-11-06 23:31:47,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 23:31:47,057 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-06 23:31:47,057 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-06 23:31:47,060 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) [2024-11-06 23:31:47,062 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 [2024-11-06 23:31:47,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:31:47,397 INFO L255 TraceCheckSpWp]: Trace formula consists of 1152 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-06 23:31:47,401 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-06 23:31:47,466 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-06 23:31:47,466 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-06 23:31:47,466 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1745268093] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 23:31:47,466 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-06 23:31:47,466 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [11] total 14 [2024-11-06 23:31:47,467 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1991730314] [2024-11-06 23:31:47,467 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 23:31:47,467 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-06 23:31:47,467 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-06 23:31:47,468 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-06 23:31:47,468 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2024-11-06 23:31:47,468 INFO L87 Difference]: Start difference. First operand 375 states and 563 transitions. Second operand has 5 states, 5 states have (on average 18.8) internal successors, (94), 5 states have internal predecessors, (94), 3 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2024-11-06 23:31:47,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 23:31:47,556 INFO L93 Difference]: Finished difference Result 739 states and 1115 transitions. [2024-11-06 23:31:47,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-06 23:31:47,557 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.8) internal successors, (94), 5 states have internal predecessors, (94), 3 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 148 [2024-11-06 23:31:47,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 23:31:47,559 INFO L225 Difference]: With dead ends: 739 [2024-11-06 23:31:47,561 INFO L226 Difference]: Without dead ends: 377 [2024-11-06 23:31:47,562 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 189 GetRequests, 177 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2024-11-06 23:31:47,563 INFO L432 NwaCegarLoop]: 472 mSDtfsCounter, 2 mSDsluCounter, 1399 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 1871 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-06 23:31:47,565 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 1871 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-06 23:31:47,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 377 states. [2024-11-06 23:31:47,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 377 to 377. [2024-11-06 23:31:47,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 377 states, 289 states have (on average 1.519031141868512) internal successors, (439), 294 states have internal predecessors, (439), 62 states have call successors, (62), 23 states have call predecessors, (62), 25 states have return successors, (68), 61 states have call predecessors, (68), 61 states have call successors, (68) [2024-11-06 23:31:47,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 377 states and 569 transitions. [2024-11-06 23:31:47,587 INFO L78 Accepts]: Start accepts. Automaton has 377 states and 569 transitions. Word has length 148 [2024-11-06 23:31:47,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 23:31:47,587 INFO L471 AbstractCegarLoop]: Abstraction has 377 states and 569 transitions. [2024-11-06 23:31:47,588 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.8) internal successors, (94), 5 states have internal predecessors, (94), 3 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2024-11-06 23:31:47,588 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 569 transitions. [2024-11-06 23:31:47,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2024-11-06 23:31:47,593 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 23:31:47,594 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-06 23:31:47,612 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-06 23:31:47,794 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-06 23:31:47,795 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 23:31:47,795 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 23:31:47,795 INFO L85 PathProgramCache]: Analyzing trace with hash -331605216, now seen corresponding path program 1 times [2024-11-06 23:31:47,795 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-06 23:31:47,795 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1559334082] [2024-11-06 23:31:47,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 23:31:47,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-06 23:31:47,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:31:47,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-06 23:31:47,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:31:47,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-06 23:31:47,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:31:47,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-06 23:31:47,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:31:47,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-06 23:31:47,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:31:47,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-06 23:31:47,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:31:48,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-06 23:31:48,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:31:48,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-06 23:31:48,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:31:48,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-06 23:31:48,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:31:48,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-06 23:31:48,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:31:48,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-06 23:31:48,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:31:48,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-06 23:31:48,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:31:48,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-06 23:31:48,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:31:48,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-06 23:31:48,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:31:48,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-06 23:31:48,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:31:48,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-06 23:31:48,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:31:48,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-06 23:31:48,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:31:48,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-06 23:31:48,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:31:48,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-06 23:31:48,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:31:48,051 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2024-11-06 23:31:48,051 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-06 23:31:48,051 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1559334082] [2024-11-06 23:31:48,051 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1559334082] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 23:31:48,051 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 23:31:48,051 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-06 23:31:48,051 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1136983479] [2024-11-06 23:31:48,052 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 23:31:48,052 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-06 23:31:48,052 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-06 23:31:48,052 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-06 23:31:48,053 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-06 23:31:48,053 INFO L87 Difference]: Start difference. First operand 377 states and 569 transitions. Second operand has 8 states, 7 states have (on average 12.857142857142858) internal successors, (90), 5 states have internal predecessors, (90), 3 states have call successors, (20), 5 states have call predecessors, (20), 2 states have return successors, (18), 2 states have call predecessors, (18), 3 states have call successors, (18) [2024-11-06 23:31:49,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 23:31:49,715 INFO L93 Difference]: Finished difference Result 804 states and 1220 transitions. [2024-11-06 23:31:49,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-06 23:31:49,716 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 12.857142857142858) internal successors, (90), 5 states have internal predecessors, (90), 3 states have call successors, (20), 5 states have call predecessors, (20), 2 states have return successors, (18), 2 states have call predecessors, (18), 3 states have call successors, (18) Word has length 149 [2024-11-06 23:31:49,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 23:31:49,720 INFO L225 Difference]: With dead ends: 804 [2024-11-06 23:31:49,720 INFO L226 Difference]: Without dead ends: 450 [2024-11-06 23:31:49,721 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=49, Invalid=133, Unknown=0, NotChecked=0, Total=182 [2024-11-06 23:31:49,723 INFO L432 NwaCegarLoop]: 169 mSDtfsCounter, 828 mSDsluCounter, 757 mSDsCounter, 0 mSdLazyCounter, 1835 mSolverCounterSat, 272 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 829 SdHoareTripleChecker+Valid, 926 SdHoareTripleChecker+Invalid, 2107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 272 IncrementalHoareTripleChecker+Valid, 1835 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-06 23:31:49,723 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [829 Valid, 926 Invalid, 2107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [272 Valid, 1835 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-06 23:31:49,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 450 states. [2024-11-06 23:31:49,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 450 to 377. [2024-11-06 23:31:49,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 377 states, 289 states have (on average 1.519031141868512) internal successors, (439), 294 states have internal predecessors, (439), 62 states have call successors, (62), 23 states have call predecessors, (62), 25 states have return successors, (67), 61 states have call predecessors, (67), 61 states have call successors, (67) [2024-11-06 23:31:49,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 377 states and 568 transitions. [2024-11-06 23:31:49,770 INFO L78 Accepts]: Start accepts. Automaton has 377 states and 568 transitions. Word has length 149 [2024-11-06 23:31:49,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 23:31:49,771 INFO L471 AbstractCegarLoop]: Abstraction has 377 states and 568 transitions. [2024-11-06 23:31:49,771 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 12.857142857142858) internal successors, (90), 5 states have internal predecessors, (90), 3 states have call successors, (20), 5 states have call predecessors, (20), 2 states have return successors, (18), 2 states have call predecessors, (18), 3 states have call successors, (18) [2024-11-06 23:31:49,771 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 568 transitions. [2024-11-06 23:31:49,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-11-06 23:31:49,776 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 23:31:49,776 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-06 23:31:49,776 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-06 23:31:49,776 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 23:31:49,777 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 23:31:49,777 INFO L85 PathProgramCache]: Analyzing trace with hash -1164230253, now seen corresponding path program 2 times [2024-11-06 23:31:49,777 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-06 23:31:49,777 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2117054611] [2024-11-06 23:31:49,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 23:31:49,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-06 23:31:49,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:31:49,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-06 23:31:49,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:31:49,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-06 23:31:49,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:31:49,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-06 23:31:49,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:31:49,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-06 23:31:49,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:31:49,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-06 23:31:49,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:31:50,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-06 23:31:50,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:31:50,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-06 23:31:50,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:31:50,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-06 23:31:50,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:31:50,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-06 23:31:50,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:31:50,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-06 23:31:50,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:31:50,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-06 23:31:50,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:31:50,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-06 23:31:50,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:31:50,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-06 23:31:50,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:31:50,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-06 23:31:50,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:31:50,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-06 23:31:50,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:31:50,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-06 23:31:50,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:31:50,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-06 23:31:50,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:31:50,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-06 23:31:50,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:31:50,065 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2024-11-06 23:31:50,065 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-06 23:31:50,065 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2117054611] [2024-11-06 23:31:50,065 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2117054611] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 23:31:50,065 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 23:31:50,065 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-06 23:31:50,066 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2091957934] [2024-11-06 23:31:50,066 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 23:31:50,066 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-06 23:31:50,068 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-06 23:31:50,068 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-06 23:31:50,068 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-06 23:31:50,069 INFO L87 Difference]: Start difference. First operand 377 states and 568 transitions. Second operand has 8 states, 7 states have (on average 13.0) internal successors, (91), 5 states have internal predecessors, (91), 3 states have call successors, (20), 5 states have call predecessors, (20), 2 states have return successors, (18), 2 states have call predecessors, (18), 3 states have call successors, (18) [2024-11-06 23:31:51,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 23:31:51,535 INFO L93 Difference]: Finished difference Result 806 states and 1223 transitions. [2024-11-06 23:31:51,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-06 23:31:51,536 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 13.0) internal successors, (91), 5 states have internal predecessors, (91), 3 states have call successors, (20), 5 states have call predecessors, (20), 2 states have return successors, (18), 2 states have call predecessors, (18), 3 states have call successors, (18) Word has length 150 [2024-11-06 23:31:51,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 23:31:51,541 INFO L225 Difference]: With dead ends: 806 [2024-11-06 23:31:51,541 INFO L226 Difference]: Without dead ends: 452 [2024-11-06 23:31:51,543 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=49, Invalid=133, Unknown=0, NotChecked=0, Total=182 [2024-11-06 23:31:51,544 INFO L432 NwaCegarLoop]: 168 mSDtfsCounter, 845 mSDsluCounter, 757 mSDsCounter, 0 mSdLazyCounter, 1800 mSolverCounterSat, 268 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 847 SdHoareTripleChecker+Valid, 925 SdHoareTripleChecker+Invalid, 2068 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 268 IncrementalHoareTripleChecker+Valid, 1800 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-06 23:31:51,544 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [847 Valid, 925 Invalid, 2068 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [268 Valid, 1800 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-06 23:31:51,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 452 states. [2024-11-06 23:31:51,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 452 to 379. [2024-11-06 23:31:51,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 379 states, 290 states have (on average 1.5172413793103448) internal successors, (440), 296 states have internal predecessors, (440), 62 states have call successors, (62), 23 states have call predecessors, (62), 26 states have return successors, (69), 61 states have call predecessors, (69), 61 states have call successors, (69) [2024-11-06 23:31:51,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 379 states and 571 transitions. [2024-11-06 23:31:51,585 INFO L78 Accepts]: Start accepts. Automaton has 379 states and 571 transitions. Word has length 150 [2024-11-06 23:31:51,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 23:31:51,585 INFO L471 AbstractCegarLoop]: Abstraction has 379 states and 571 transitions. [2024-11-06 23:31:51,585 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 13.0) internal successors, (91), 5 states have internal predecessors, (91), 3 states have call successors, (20), 5 states have call predecessors, (20), 2 states have return successors, (18), 2 states have call predecessors, (18), 3 states have call successors, (18) [2024-11-06 23:31:51,585 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 571 transitions. [2024-11-06 23:31:51,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-11-06 23:31:51,588 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 23:31:51,588 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-06 23:31:51,588 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-06 23:31:51,588 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 23:31:51,588 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 23:31:51,589 INFO L85 PathProgramCache]: Analyzing trace with hash -896990777, now seen corresponding path program 1 times [2024-11-06 23:31:51,589 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-06 23:31:51,589 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1167661232] [2024-11-06 23:31:51,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 23:31:51,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-06 23:31:51,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:31:51,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-06 23:31:51,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:31:51,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-06 23:31:51,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:31:51,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-06 23:31:51,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:31:51,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-06 23:31:51,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:31:51,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-06 23:31:51,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:31:51,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-06 23:31:51,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:31:51,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-06 23:31:51,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:31:51,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-06 23:31:51,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:31:51,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-06 23:31:51,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:31:51,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-06 23:31:51,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:31:51,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-06 23:31:51,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:31:51,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-06 23:31:51,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:31:51,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-06 23:31:51,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:31:51,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-06 23:31:51,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:31:51,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-06 23:31:51,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:31:51,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-06 23:31:51,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:31:51,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-06 23:31:51,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:31:51,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-06 23:31:51,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:31:51,843 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2024-11-06 23:31:51,843 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-06 23:31:51,843 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1167661232] [2024-11-06 23:31:51,843 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1167661232] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 23:31:51,843 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 23:31:51,843 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-06 23:31:51,843 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1554537667] [2024-11-06 23:31:51,843 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 23:31:51,844 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-06 23:31:51,844 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-06 23:31:51,844 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-06 23:31:51,844 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-06 23:31:51,845 INFO L87 Difference]: Start difference. First operand 379 states and 571 transitions. Second operand has 8 states, 7 states have (on average 13.142857142857142) internal successors, (92), 5 states have internal predecessors, (92), 3 states have call successors, (20), 5 states have call predecessors, (20), 2 states have return successors, (18), 2 states have call predecessors, (18), 3 states have call successors, (18) [2024-11-06 23:31:53,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 23:31:53,333 INFO L93 Difference]: Finished difference Result 806 states and 1222 transitions. [2024-11-06 23:31:53,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-06 23:31:53,334 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 13.142857142857142) internal successors, (92), 5 states have internal predecessors, (92), 3 states have call successors, (20), 5 states have call predecessors, (20), 2 states have return successors, (18), 2 states have call predecessors, (18), 3 states have call successors, (18) Word has length 151 [2024-11-06 23:31:53,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 23:31:53,339 INFO L225 Difference]: With dead ends: 806 [2024-11-06 23:31:53,339 INFO L226 Difference]: Without dead ends: 452 [2024-11-06 23:31:53,340 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2024-11-06 23:31:53,341 INFO L432 NwaCegarLoop]: 165 mSDtfsCounter, 818 mSDsluCounter, 757 mSDsCounter, 0 mSdLazyCounter, 1870 mSolverCounterSat, 259 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 819 SdHoareTripleChecker+Valid, 922 SdHoareTripleChecker+Invalid, 2129 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 259 IncrementalHoareTripleChecker+Valid, 1870 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-06 23:31:53,341 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [819 Valid, 922 Invalid, 2129 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [259 Valid, 1870 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-06 23:31:53,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 452 states. [2024-11-06 23:31:53,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 452 to 379. [2024-11-06 23:31:53,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 379 states, 290 states have (on average 1.5172413793103448) internal successors, (440), 296 states have internal predecessors, (440), 62 states have call successors, (62), 23 states have call predecessors, (62), 26 states have return successors, (69), 61 states have call predecessors, (69), 61 states have call successors, (69) [2024-11-06 23:31:53,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 379 states and 571 transitions. [2024-11-06 23:31:53,377 INFO L78 Accepts]: Start accepts. Automaton has 379 states and 571 transitions. Word has length 151 [2024-11-06 23:31:53,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 23:31:53,377 INFO L471 AbstractCegarLoop]: Abstraction has 379 states and 571 transitions. [2024-11-06 23:31:53,378 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 13.142857142857142) internal successors, (92), 5 states have internal predecessors, (92), 3 states have call successors, (20), 5 states have call predecessors, (20), 2 states have return successors, (18), 2 states have call predecessors, (18), 3 states have call successors, (18) [2024-11-06 23:31:53,378 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 571 transitions. [2024-11-06 23:31:53,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-11-06 23:31:53,380 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 23:31:53,381 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-06 23:31:53,381 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-06 23:31:53,382 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 23:31:53,382 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 23:31:53,382 INFO L85 PathProgramCache]: Analyzing trace with hash 1469044293, now seen corresponding path program 1 times [2024-11-06 23:31:53,382 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-06 23:31:53,382 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1383713353] [2024-11-06 23:31:53,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 23:31:53,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-06 23:31:53,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:31:53,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-06 23:31:53,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:31:53,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-06 23:31:53,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:31:53,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-06 23:31:53,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:31:53,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-06 23:31:53,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:31:53,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-06 23:31:53,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:31:53,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-06 23:31:53,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:31:53,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-06 23:31:53,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:31:53,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-06 23:31:53,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:31:53,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-06 23:31:53,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:31:53,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-06 23:31:53,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:31:53,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-06 23:31:53,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:31:53,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-06 23:31:53,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:31:53,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-06 23:31:53,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:31:53,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-06 23:31:53,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:31:53,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-06 23:31:53,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:31:53,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-06 23:31:53,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:31:53,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-06 23:31:53,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:31:53,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-06 23:31:53,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:31:53,627 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2024-11-06 23:31:53,627 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-06 23:31:53,627 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1383713353] [2024-11-06 23:31:53,627 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1383713353] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 23:31:53,627 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 23:31:53,627 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-06 23:31:53,627 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1257084921] [2024-11-06 23:31:53,627 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 23:31:53,628 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-06 23:31:53,628 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-06 23:31:53,628 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-06 23:31:53,629 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2024-11-06 23:31:53,629 INFO L87 Difference]: Start difference. First operand 379 states and 571 transitions. Second operand has 11 states, 10 states have (on average 9.5) internal successors, (95), 8 states have internal predecessors, (95), 4 states have call successors, (20), 5 states have call predecessors, (20), 3 states have return successors, (18), 3 states have call predecessors, (18), 4 states have call successors, (18) [2024-11-06 23:31:55,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 23:31:55,556 INFO L93 Difference]: Finished difference Result 804 states and 1217 transitions. [2024-11-06 23:31:55,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-06 23:31:55,557 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 9.5) internal successors, (95), 8 states have internal predecessors, (95), 4 states have call successors, (20), 5 states have call predecessors, (20), 3 states have return successors, (18), 3 states have call predecessors, (18), 4 states have call successors, (18) Word has length 151 [2024-11-06 23:31:55,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 23:31:55,560 INFO L225 Difference]: With dead ends: 804 [2024-11-06 23:31:55,560 INFO L226 Difference]: Without dead ends: 452 [2024-11-06 23:31:55,561 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=75, Invalid=305, Unknown=0, NotChecked=0, Total=380 [2024-11-06 23:31:55,562 INFO L432 NwaCegarLoop]: 166 mSDtfsCounter, 826 mSDsluCounter, 1162 mSDsCounter, 0 mSdLazyCounter, 3150 mSolverCounterSat, 262 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 827 SdHoareTripleChecker+Valid, 1328 SdHoareTripleChecker+Invalid, 3412 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 262 IncrementalHoareTripleChecker+Valid, 3150 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-06 23:31:55,562 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [827 Valid, 1328 Invalid, 3412 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [262 Valid, 3150 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-06 23:31:55,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 452 states. [2024-11-06 23:31:55,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 452 to 379. [2024-11-06 23:31:55,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 379 states, 290 states have (on average 1.5172413793103448) internal successors, (440), 296 states have internal predecessors, (440), 62 states have call successors, (62), 23 states have call predecessors, (62), 26 states have return successors, (68), 61 states have call predecessors, (68), 61 states have call successors, (68) [2024-11-06 23:31:55,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 379 states and 570 transitions. [2024-11-06 23:31:55,606 INFO L78 Accepts]: Start accepts. Automaton has 379 states and 570 transitions. Word has length 151 [2024-11-06 23:31:55,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 23:31:55,607 INFO L471 AbstractCegarLoop]: Abstraction has 379 states and 570 transitions. [2024-11-06 23:31:55,607 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 9.5) internal successors, (95), 8 states have internal predecessors, (95), 4 states have call successors, (20), 5 states have call predecessors, (20), 3 states have return successors, (18), 3 states have call predecessors, (18), 4 states have call successors, (18) [2024-11-06 23:31:55,607 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 570 transitions. [2024-11-06 23:31:55,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-11-06 23:31:55,611 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 23:31:55,611 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-06 23:31:55,611 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-06 23:31:55,611 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 23:31:55,611 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 23:31:55,612 INFO L85 PathProgramCache]: Analyzing trace with hash 2010311812, now seen corresponding path program 2 times [2024-11-06 23:31:55,612 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-06 23:31:55,612 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2125742799] [2024-11-06 23:31:55,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 23:31:55,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-06 23:31:55,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:31:55,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-06 23:31:55,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:31:55,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-06 23:31:55,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:31:55,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-06 23:31:55,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:31:55,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-06 23:31:55,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:31:55,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-06 23:31:55,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:31:55,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-06 23:31:55,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:31:55,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-06 23:31:55,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:31:55,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-06 23:31:55,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:31:55,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-06 23:31:55,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:31:55,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-06 23:31:55,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:31:55,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-06 23:31:55,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:31:55,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-06 23:31:55,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:31:55,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-06 23:31:55,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:31:55,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-06 23:31:55,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:31:55,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-06 23:31:55,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:31:55,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-06 23:31:55,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:31:55,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-06 23:31:55,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:31:55,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-06 23:31:55,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:31:55,851 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2024-11-06 23:31:55,851 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-06 23:31:55,851 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2125742799] [2024-11-06 23:31:55,851 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2125742799] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 23:31:55,851 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 23:31:55,852 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-06 23:31:55,852 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1593419374] [2024-11-06 23:31:55,852 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 23:31:55,853 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-06 23:31:55,853 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-06 23:31:55,854 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-06 23:31:55,854 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2024-11-06 23:31:55,854 INFO L87 Difference]: Start difference. First operand 379 states and 570 transitions. Second operand has 11 states, 10 states have (on average 9.6) internal successors, (96), 8 states have internal predecessors, (96), 4 states have call successors, (20), 5 states have call predecessors, (20), 3 states have return successors, (18), 3 states have call predecessors, (18), 4 states have call successors, (18) [2024-11-06 23:31:57,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 23:31:57,692 INFO L93 Difference]: Finished difference Result 806 states and 1223 transitions. [2024-11-06 23:31:57,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-06 23:31:57,693 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 9.6) internal successors, (96), 8 states have internal predecessors, (96), 4 states have call successors, (20), 5 states have call predecessors, (20), 3 states have return successors, (18), 3 states have call predecessors, (18), 4 states have call successors, (18) Word has length 152 [2024-11-06 23:31:57,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 23:31:57,696 INFO L225 Difference]: With dead ends: 806 [2024-11-06 23:31:57,696 INFO L226 Difference]: Without dead ends: 454 [2024-11-06 23:31:57,697 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=75, Invalid=305, Unknown=0, NotChecked=0, Total=380 [2024-11-06 23:31:57,698 INFO L432 NwaCegarLoop]: 166 mSDtfsCounter, 839 mSDsluCounter, 1162 mSDsCounter, 0 mSdLazyCounter, 3077 mSolverCounterSat, 277 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 840 SdHoareTripleChecker+Valid, 1328 SdHoareTripleChecker+Invalid, 3354 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 277 IncrementalHoareTripleChecker+Valid, 3077 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-06 23:31:57,698 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [840 Valid, 1328 Invalid, 3354 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [277 Valid, 3077 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-06 23:31:57,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 454 states. [2024-11-06 23:31:57,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 454 to 381. [2024-11-06 23:31:57,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 381 states, 291 states have (on average 1.5154639175257731) internal successors, (441), 298 states have internal predecessors, (441), 62 states have call successors, (62), 23 states have call predecessors, (62), 27 states have return successors, (73), 61 states have call predecessors, (73), 61 states have call successors, (73) [2024-11-06 23:31:57,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 381 states and 576 transitions. [2024-11-06 23:31:57,729 INFO L78 Accepts]: Start accepts. Automaton has 381 states and 576 transitions. Word has length 152 [2024-11-06 23:31:57,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 23:31:57,730 INFO L471 AbstractCegarLoop]: Abstraction has 381 states and 576 transitions. [2024-11-06 23:31:57,730 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 9.6) internal successors, (96), 8 states have internal predecessors, (96), 4 states have call successors, (20), 5 states have call predecessors, (20), 3 states have return successors, (18), 3 states have call predecessors, (18), 4 states have call successors, (18) [2024-11-06 23:31:57,730 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 576 transitions. [2024-11-06 23:31:57,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2024-11-06 23:31:57,732 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 23:31:57,732 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-06 23:31:57,732 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-06 23:31:57,733 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 23:31:57,733 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 23:31:57,733 INFO L85 PathProgramCache]: Analyzing trace with hash -986725718, now seen corresponding path program 1 times [2024-11-06 23:31:57,733 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-06 23:31:57,733 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1090443714] [2024-11-06 23:31:57,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 23:31:57,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-06 23:31:57,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:31:57,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-06 23:31:57,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:31:57,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-06 23:31:57,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:31:57,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-06 23:31:57,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:31:57,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-06 23:31:57,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:31:57,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-06 23:31:57,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:31:57,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-06 23:31:57,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:31:57,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-06 23:31:57,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:31:57,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-06 23:31:57,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:31:57,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-06 23:31:57,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:31:57,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-06 23:31:57,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:31:57,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-06 23:31:57,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:31:57,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-06 23:31:57,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:31:57,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-06 23:31:57,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:31:57,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-06 23:31:57,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:31:57,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-06 23:31:57,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:31:57,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-06 23:31:57,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:31:57,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-06 23:31:57,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:31:57,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-06 23:31:57,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:31:57,897 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2024-11-06 23:31:57,897 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-06 23:31:57,897 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1090443714] [2024-11-06 23:31:57,897 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1090443714] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-06 23:31:57,897 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1354276127] [2024-11-06 23:31:57,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 23:31:57,897 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-06 23:31:57,898 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-06 23:31:57,900 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-06 23:31:57,901 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-06 23:31:58,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:31:58,225 INFO L255 TraceCheckSpWp]: Trace formula consists of 1157 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-06 23:31:58,229 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-06 23:31:58,263 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2024-11-06 23:31:58,264 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-06 23:31:58,371 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2024-11-06 23:31:58,371 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1354276127] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-06 23:31:58,371 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-06 23:31:58,371 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 4, 4] total 10 [2024-11-06 23:31:58,371 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1537135838] [2024-11-06 23:31:58,372 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-06 23:31:58,372 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-06 23:31:58,372 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-06 23:31:58,373 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-06 23:31:58,373 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2024-11-06 23:31:58,373 INFO L87 Difference]: Start difference. First operand 381 states and 576 transitions. Second operand has 10 states, 10 states have (on average 13.5) internal successors, (135), 7 states have internal predecessors, (135), 2 states have call successors, (40), 5 states have call predecessors, (40), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2024-11-06 23:31:59,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 23:31:59,910 INFO L93 Difference]: Finished difference Result 960 states and 1521 transitions. [2024-11-06 23:31:59,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-06 23:31:59,911 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 13.5) internal successors, (135), 7 states have internal predecessors, (135), 2 states have call successors, (40), 5 states have call predecessors, (40), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 153 [2024-11-06 23:31:59,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 23:31:59,915 INFO L225 Difference]: With dead ends: 960 [2024-11-06 23:31:59,915 INFO L226 Difference]: Without dead ends: 781 [2024-11-06 23:31:59,916 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 351 GetRequests, 339 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182 [2024-11-06 23:31:59,917 INFO L432 NwaCegarLoop]: 208 mSDtfsCounter, 1149 mSDsluCounter, 1164 mSDsCounter, 0 mSdLazyCounter, 2273 mSolverCounterSat, 388 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1194 SdHoareTripleChecker+Valid, 1372 SdHoareTripleChecker+Invalid, 2661 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 388 IncrementalHoareTripleChecker+Valid, 2273 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-06 23:31:59,918 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1194 Valid, 1372 Invalid, 2661 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [388 Valid, 2273 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-06 23:31:59,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 781 states. [2024-11-06 23:31:59,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 781 to 684. [2024-11-06 23:31:59,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 684 states, 530 states have (on average 1.5830188679245283) internal successors, (839), 537 states have internal predecessors, (839), 126 states have call successors, (126), 23 states have call predecessors, (126), 27 states have return successors, (147), 125 states have call predecessors, (147), 125 states have call successors, (147) [2024-11-06 23:31:59,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 684 states to 684 states and 1112 transitions. [2024-11-06 23:31:59,960 INFO L78 Accepts]: Start accepts. Automaton has 684 states and 1112 transitions. Word has length 153 [2024-11-06 23:31:59,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 23:31:59,962 INFO L471 AbstractCegarLoop]: Abstraction has 684 states and 1112 transitions. [2024-11-06 23:31:59,962 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 13.5) internal successors, (135), 7 states have internal predecessors, (135), 2 states have call successors, (40), 5 states have call predecessors, (40), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2024-11-06 23:31:59,962 INFO L276 IsEmpty]: Start isEmpty. Operand 684 states and 1112 transitions. [2024-11-06 23:31:59,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2024-11-06 23:31:59,967 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 23:31:59,967 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-06 23:31:59,986 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-06 23:32:00,167 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-11-06 23:32:00,168 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 23:32:00,168 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 23:32:00,168 INFO L85 PathProgramCache]: Analyzing trace with hash -194088249, now seen corresponding path program 1 times [2024-11-06 23:32:00,168 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-06 23:32:00,168 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2020677582] [2024-11-06 23:32:00,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 23:32:00,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-06 23:32:00,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:32:00,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-06 23:32:00,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:32:00,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-06 23:32:00,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:32:00,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-06 23:32:00,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:32:00,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-06 23:32:00,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:32:00,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-06 23:32:00,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:32:00,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-06 23:32:00,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:32:00,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-06 23:32:00,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:32:00,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-06 23:32:00,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:32:00,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-06 23:32:00,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:32:00,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-06 23:32:00,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:32:00,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-06 23:32:00,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:32:00,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-06 23:32:00,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:32:00,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-06 23:32:00,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:32:00,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-06 23:32:00,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:32:00,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-06 23:32:00,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:32:00,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-06 23:32:00,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:32:00,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-06 23:32:00,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:32:00,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-06 23:32:00,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:32:00,285 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2024-11-06 23:32:00,285 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-06 23:32:00,285 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2020677582] [2024-11-06 23:32:00,285 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2020677582] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 23:32:00,285 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 23:32:00,285 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-06 23:32:00,285 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1734904549] [2024-11-06 23:32:00,285 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 23:32:00,286 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-06 23:32:00,286 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-06 23:32:00,286 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-06 23:32:00,287 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-06 23:32:00,288 INFO L87 Difference]: Start difference. First operand 684 states and 1112 transitions. Second operand has 6 states, 6 states have (on average 16.333333333333332) internal successors, (98), 3 states have internal predecessors, (98), 2 states have call successors, (20), 5 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-06 23:32:01,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 23:32:01,235 INFO L93 Difference]: Finished difference Result 1681 states and 2800 transitions. [2024-11-06 23:32:01,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-06 23:32:01,235 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 16.333333333333332) internal successors, (98), 3 states have internal predecessors, (98), 2 states have call successors, (20), 5 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 159 [2024-11-06 23:32:01,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 23:32:01,242 INFO L225 Difference]: With dead ends: 1681 [2024-11-06 23:32:01,242 INFO L226 Difference]: Without dead ends: 1065 [2024-11-06 23:32:01,245 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-06 23:32:01,246 INFO L432 NwaCegarLoop]: 181 mSDtfsCounter, 891 mSDsluCounter, 494 mSDsCounter, 0 mSdLazyCounter, 1058 mSolverCounterSat, 291 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 906 SdHoareTripleChecker+Valid, 675 SdHoareTripleChecker+Invalid, 1349 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 291 IncrementalHoareTripleChecker+Valid, 1058 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-06 23:32:01,246 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [906 Valid, 675 Invalid, 1349 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [291 Valid, 1058 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-06 23:32:01,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1065 states. [2024-11-06 23:32:01,293 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1065 to 984. [2024-11-06 23:32:01,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 984 states, 766 states have (on average 1.597911227154047) internal successors, (1224), 773 states have internal predecessors, (1224), 190 states have call successors, (190), 23 states have call predecessors, (190), 27 states have return successors, (221), 189 states have call predecessors, (221), 189 states have call successors, (221) [2024-11-06 23:32:01,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 984 states to 984 states and 1635 transitions. [2024-11-06 23:32:01,300 INFO L78 Accepts]: Start accepts. Automaton has 984 states and 1635 transitions. Word has length 159 [2024-11-06 23:32:01,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 23:32:01,300 INFO L471 AbstractCegarLoop]: Abstraction has 984 states and 1635 transitions. [2024-11-06 23:32:01,300 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.333333333333332) internal successors, (98), 3 states have internal predecessors, (98), 2 states have call successors, (20), 5 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-06 23:32:01,300 INFO L276 IsEmpty]: Start isEmpty. Operand 984 states and 1635 transitions. [2024-11-06 23:32:01,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-11-06 23:32:01,307 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 23:32:01,307 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-06 23:32:01,307 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-06 23:32:01,307 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 23:32:01,307 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 23:32:01,308 INFO L85 PathProgramCache]: Analyzing trace with hash 1989444475, now seen corresponding path program 1 times [2024-11-06 23:32:01,308 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-06 23:32:01,308 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1282768379] [2024-11-06 23:32:01,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 23:32:01,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-06 23:32:01,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:32:01,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-06 23:32:01,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:32:01,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-06 23:32:01,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:32:01,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-06 23:32:01,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:32:01,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-06 23:32:01,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:32:01,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-06 23:32:01,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:32:01,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-06 23:32:01,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:32:01,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-06 23:32:01,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:32:01,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-06 23:32:01,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:32:01,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-06 23:32:01,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:32:01,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-06 23:32:01,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:32:01,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-06 23:32:01,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:32:01,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-06 23:32:01,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:32:01,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-06 23:32:01,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:32:01,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-06 23:32:01,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:32:01,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-06 23:32:01,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:32:01,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-06 23:32:01,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:32:01,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-06 23:32:01,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:32:01,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-06 23:32:01,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:32:01,424 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2024-11-06 23:32:01,424 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-06 23:32:01,424 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1282768379] [2024-11-06 23:32:01,424 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1282768379] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 23:32:01,424 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 23:32:01,424 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-06 23:32:01,425 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1101032965] [2024-11-06 23:32:01,425 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 23:32:01,444 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-06 23:32:01,445 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-06 23:32:01,445 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-06 23:32:01,445 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-06 23:32:01,446 INFO L87 Difference]: Start difference. First operand 984 states and 1635 transitions. Second operand has 6 states, 6 states have (on average 16.5) internal successors, (99), 3 states have internal predecessors, (99), 2 states have call successors, (20), 5 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-06 23:32:02,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 23:32:02,294 INFO L93 Difference]: Finished difference Result 2396 states and 4045 transitions. [2024-11-06 23:32:02,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-06 23:32:02,295 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 16.5) internal successors, (99), 3 states have internal predecessors, (99), 2 states have call successors, (20), 5 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 160 [2024-11-06 23:32:02,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 23:32:02,304 INFO L225 Difference]: With dead ends: 2396 [2024-11-06 23:32:02,304 INFO L226 Difference]: Without dead ends: 1533 [2024-11-06 23:32:02,308 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-06 23:32:02,309 INFO L432 NwaCegarLoop]: 168 mSDtfsCounter, 927 mSDsluCounter, 478 mSDsCounter, 0 mSdLazyCounter, 977 mSolverCounterSat, 328 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 942 SdHoareTripleChecker+Valid, 646 SdHoareTripleChecker+Invalid, 1305 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 328 IncrementalHoareTripleChecker+Valid, 977 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-06 23:32:02,309 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [942 Valid, 646 Invalid, 1305 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [328 Valid, 977 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-06 23:32:02,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1533 states. [2024-11-06 23:32:02,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1533 to 1452. [2024-11-06 23:32:02,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1452 states, 1139 states have (on average 1.6075504828797191) internal successors, (1831), 1146 states have internal predecessors, (1831), 285 states have call successors, (285), 23 states have call predecessors, (285), 27 states have return successors, (316), 284 states have call predecessors, (316), 284 states have call successors, (316) [2024-11-06 23:32:02,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1452 states to 1452 states and 2432 transitions. [2024-11-06 23:32:02,403 INFO L78 Accepts]: Start accepts. Automaton has 1452 states and 2432 transitions. Word has length 160 [2024-11-06 23:32:02,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 23:32:02,403 INFO L471 AbstractCegarLoop]: Abstraction has 1452 states and 2432 transitions. [2024-11-06 23:32:02,403 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.5) internal successors, (99), 3 states have internal predecessors, (99), 2 states have call successors, (20), 5 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-06 23:32:02,403 INFO L276 IsEmpty]: Start isEmpty. Operand 1452 states and 2432 transitions. [2024-11-06 23:32:02,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2024-11-06 23:32:02,413 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 23:32:02,414 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-06 23:32:02,414 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-06 23:32:02,414 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 23:32:02,414 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 23:32:02,415 INFO L85 PathProgramCache]: Analyzing trace with hash 1091927209, now seen corresponding path program 1 times [2024-11-06 23:32:02,415 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-06 23:32:02,415 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [774954674] [2024-11-06 23:32:02,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 23:32:02,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-06 23:32:02,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:32:02,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-06 23:32:02,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:32:02,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-06 23:32:02,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:32:02,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-06 23:32:02,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:32:02,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-06 23:32:02,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:32:02,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-06 23:32:02,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:32:02,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-06 23:32:02,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:32:02,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-06 23:32:02,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:32:02,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-06 23:32:02,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:32:02,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-06 23:32:02,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:32:02,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-06 23:32:02,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:32:02,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-06 23:32:02,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:32:02,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-06 23:32:02,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:32:02,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-06 23:32:02,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:32:02,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-06 23:32:02,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:32:02,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-06 23:32:02,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:32:02,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-06 23:32:02,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:32:02,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-06 23:32:02,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:32:02,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-06 23:32:02,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:32:02,535 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2024-11-06 23:32:02,535 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-06 23:32:02,535 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [774954674] [2024-11-06 23:32:02,536 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [774954674] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 23:32:02,536 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 23:32:02,536 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-06 23:32:02,536 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [531039541] [2024-11-06 23:32:02,536 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 23:32:02,537 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-06 23:32:02,537 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-06 23:32:02,538 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-06 23:32:02,538 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-06 23:32:02,538 INFO L87 Difference]: Start difference. First operand 1452 states and 2432 transitions. Second operand has 6 states, 6 states have (on average 16.666666666666668) internal successors, (100), 3 states have internal predecessors, (100), 2 states have call successors, (20), 5 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-06 23:32:03,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 23:32:03,394 INFO L93 Difference]: Finished difference Result 3443 states and 5886 transitions. [2024-11-06 23:32:03,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-06 23:32:03,396 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 16.666666666666668) internal successors, (100), 3 states have internal predecessors, (100), 2 states have call successors, (20), 5 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 161 [2024-11-06 23:32:03,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 23:32:03,409 INFO L225 Difference]: With dead ends: 3443 [2024-11-06 23:32:03,410 INFO L226 Difference]: Without dead ends: 2237 [2024-11-06 23:32:03,416 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-06 23:32:03,417 INFO L432 NwaCegarLoop]: 168 mSDtfsCounter, 941 mSDsluCounter, 477 mSDsCounter, 0 mSdLazyCounter, 965 mSolverCounterSat, 314 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 956 SdHoareTripleChecker+Valid, 645 SdHoareTripleChecker+Invalid, 1279 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 314 IncrementalHoareTripleChecker+Valid, 965 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-06 23:32:03,417 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [956 Valid, 645 Invalid, 1279 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [314 Valid, 965 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-06 23:32:03,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2237 states. [2024-11-06 23:32:03,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2237 to 2156. [2024-11-06 23:32:03,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2156 states, 1720 states have (on average 1.6151162790697675) internal successors, (2778), 1727 states have internal predecessors, (2778), 408 states have call successors, (408), 23 states have call predecessors, (408), 27 states have return successors, (455), 407 states have call predecessors, (455), 407 states have call successors, (455) [2024-11-06 23:32:03,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2156 states to 2156 states and 3641 transitions. [2024-11-06 23:32:03,534 INFO L78 Accepts]: Start accepts. Automaton has 2156 states and 3641 transitions. Word has length 161 [2024-11-06 23:32:03,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 23:32:03,535 INFO L471 AbstractCegarLoop]: Abstraction has 2156 states and 3641 transitions. [2024-11-06 23:32:03,535 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.666666666666668) internal successors, (100), 3 states have internal predecessors, (100), 2 states have call successors, (20), 5 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-06 23:32:03,535 INFO L276 IsEmpty]: Start isEmpty. Operand 2156 states and 3641 transitions. [2024-11-06 23:32:03,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-11-06 23:32:03,550 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 23:32:03,550 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-06 23:32:03,550 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-06 23:32:03,550 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 23:32:03,551 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 23:32:03,551 INFO L85 PathProgramCache]: Analyzing trace with hash 1160293020, now seen corresponding path program 1 times [2024-11-06 23:32:03,551 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-06 23:32:03,551 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [978224302] [2024-11-06 23:32:03,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 23:32:03,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-06 23:32:03,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:32:03,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-06 23:32:03,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:32:03,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-06 23:32:03,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:32:03,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-06 23:32:03,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:32:03,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-06 23:32:03,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:32:03,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-06 23:32:03,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:32:03,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-06 23:32:03,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:32:03,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-06 23:32:03,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:32:03,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-06 23:32:03,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:32:03,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-06 23:32:03,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:32:03,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-06 23:32:03,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:32:03,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-06 23:32:03,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:32:03,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-06 23:32:03,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:32:03,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-06 23:32:03,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:32:03,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-06 23:32:03,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:32:03,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-06 23:32:03,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:32:03,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-06 23:32:03,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:32:03,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-06 23:32:03,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:32:03,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-06 23:32:03,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:32:03,665 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2024-11-06 23:32:03,665 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-06 23:32:03,665 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [978224302] [2024-11-06 23:32:03,665 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [978224302] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 23:32:03,665 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 23:32:03,665 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-06 23:32:03,665 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1561754762] [2024-11-06 23:32:03,665 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 23:32:03,666 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-06 23:32:03,666 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-06 23:32:03,666 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-06 23:32:03,666 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-06 23:32:03,667 INFO L87 Difference]: Start difference. First operand 2156 states and 3641 transitions. Second operand has 6 states, 6 states have (on average 16.833333333333332) internal successors, (101), 3 states have internal predecessors, (101), 2 states have call successors, (20), 5 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-06 23:32:04,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 23:32:04,510 INFO L93 Difference]: Finished difference Result 5062 states and 8740 transitions. [2024-11-06 23:32:04,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-06 23:32:04,511 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 16.833333333333332) internal successors, (101), 3 states have internal predecessors, (101), 2 states have call successors, (20), 5 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 162 [2024-11-06 23:32:04,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 23:32:04,529 INFO L225 Difference]: With dead ends: 5062 [2024-11-06 23:32:04,529 INFO L226 Difference]: Without dead ends: 3356 [2024-11-06 23:32:04,537 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-06 23:32:04,537 INFO L432 NwaCegarLoop]: 168 mSDtfsCounter, 947 mSDsluCounter, 477 mSDsCounter, 0 mSdLazyCounter, 955 mSolverCounterSat, 315 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 962 SdHoareTripleChecker+Valid, 645 SdHoareTripleChecker+Invalid, 1270 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 315 IncrementalHoareTripleChecker+Valid, 955 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-06 23:32:04,538 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [962 Valid, 645 Invalid, 1270 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [315 Valid, 955 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-06 23:32:04,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3356 states. [2024-11-06 23:32:04,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3356 to 3275. [2024-11-06 23:32:04,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3275 states, 2660 states have (on average 1.619924812030075) internal successors, (4309), 2667 states have internal predecessors, (4309), 587 states have call successors, (587), 23 states have call predecessors, (587), 27 states have return successors, (660), 586 states have call predecessors, (660), 586 states have call successors, (660) [2024-11-06 23:32:04,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3275 states to 3275 states and 5556 transitions. [2024-11-06 23:32:04,712 INFO L78 Accepts]: Start accepts. Automaton has 3275 states and 5556 transitions. Word has length 162 [2024-11-06 23:32:04,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 23:32:04,712 INFO L471 AbstractCegarLoop]: Abstraction has 3275 states and 5556 transitions. [2024-11-06 23:32:04,712 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.833333333333332) internal successors, (101), 3 states have internal predecessors, (101), 2 states have call successors, (20), 5 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-06 23:32:04,713 INFO L276 IsEmpty]: Start isEmpty. Operand 3275 states and 5556 transitions. [2024-11-06 23:32:04,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-11-06 23:32:04,732 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 23:32:04,733 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-06 23:32:04,733 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-06 23:32:04,733 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 23:32:04,733 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 23:32:04,733 INFO L85 PathProgramCache]: Analyzing trace with hash -2049543131, now seen corresponding path program 1 times [2024-11-06 23:32:04,734 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-06 23:32:04,734 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1620870005] [2024-11-06 23:32:04,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 23:32:04,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-06 23:32:04,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:32:04,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-06 23:32:04,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:32:04,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-06 23:32:04,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:32:04,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-06 23:32:04,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:32:04,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-06 23:32:04,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:32:04,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-06 23:32:04,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:32:04,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-06 23:32:04,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:32:04,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-06 23:32:04,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:32:04,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-06 23:32:04,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:32:04,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-06 23:32:04,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:32:04,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-06 23:32:04,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:32:04,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-06 23:32:04,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:32:04,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-06 23:32:04,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:32:04,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-06 23:32:04,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:32:04,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-06 23:32:04,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:32:04,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-06 23:32:04,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:32:04,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-06 23:32:04,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:32:04,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-06 23:32:04,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:32:04,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-06 23:32:04,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:32:04,855 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2024-11-06 23:32:04,855 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-06 23:32:04,855 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1620870005] [2024-11-06 23:32:04,855 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1620870005] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 23:32:04,855 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 23:32:04,855 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-06 23:32:04,855 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [711863447] [2024-11-06 23:32:04,856 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 23:32:04,856 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-06 23:32:04,857 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-06 23:32:04,857 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-06 23:32:04,857 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-06 23:32:04,857 INFO L87 Difference]: Start difference. First operand 3275 states and 5556 transitions. Second operand has 6 states, 6 states have (on average 17.0) internal successors, (102), 3 states have internal predecessors, (102), 2 states have call successors, (20), 5 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-06 23:32:05,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 23:32:05,768 INFO L93 Difference]: Finished difference Result 7980 states and 13839 transitions. [2024-11-06 23:32:05,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-06 23:32:05,769 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 17.0) internal successors, (102), 3 states have internal predecessors, (102), 2 states have call successors, (20), 5 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 163 [2024-11-06 23:32:05,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 23:32:05,799 INFO L225 Difference]: With dead ends: 7980 [2024-11-06 23:32:05,800 INFO L226 Difference]: Without dead ends: 5387 [2024-11-06 23:32:05,807 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-06 23:32:05,807 INFO L432 NwaCegarLoop]: 168 mSDtfsCounter, 947 mSDsluCounter, 479 mSDsCounter, 0 mSdLazyCounter, 948 mSolverCounterSat, 334 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 962 SdHoareTripleChecker+Valid, 647 SdHoareTripleChecker+Invalid, 1282 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 334 IncrementalHoareTripleChecker+Valid, 948 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-06 23:32:05,807 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [962 Valid, 647 Invalid, 1282 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [334 Valid, 948 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-06 23:32:05,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5387 states. [2024-11-06 23:32:06,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5387 to 5306. [2024-11-06 23:32:06,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5306 states, 4315 states have (on average 1.613209733487833) internal successors, (6961), 4322 states have internal predecessors, (6961), 963 states have call successors, (963), 23 states have call predecessors, (963), 27 states have return successors, (1080), 962 states have call predecessors, (1080), 962 states have call successors, (1080) [2024-11-06 23:32:06,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5306 states to 5306 states and 9004 transitions. [2024-11-06 23:32:06,100 INFO L78 Accepts]: Start accepts. Automaton has 5306 states and 9004 transitions. Word has length 163 [2024-11-06 23:32:06,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 23:32:06,101 INFO L471 AbstractCegarLoop]: Abstraction has 5306 states and 9004 transitions. [2024-11-06 23:32:06,101 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 17.0) internal successors, (102), 3 states have internal predecessors, (102), 2 states have call successors, (20), 5 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-06 23:32:06,101 INFO L276 IsEmpty]: Start isEmpty. Operand 5306 states and 9004 transitions. [2024-11-06 23:32:06,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-11-06 23:32:06,128 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 23:32:06,128 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-06 23:32:06,128 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-06 23:32:06,128 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 23:32:06,129 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 23:32:06,129 INFO L85 PathProgramCache]: Analyzing trace with hash 2045579040, now seen corresponding path program 1 times [2024-11-06 23:32:06,129 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-06 23:32:06,129 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [590899235] [2024-11-06 23:32:06,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 23:32:06,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-06 23:32:06,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:32:06,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-06 23:32:06,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:32:06,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-06 23:32:06,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:32:06,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-06 23:32:06,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:32:06,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-06 23:32:06,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:32:06,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-06 23:32:06,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:32:06,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-06 23:32:06,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:32:06,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-06 23:32:06,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:32:06,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-06 23:32:06,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:32:06,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-06 23:32:06,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:32:06,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-06 23:32:06,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:32:06,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-06 23:32:06,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:32:06,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-06 23:32:06,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:32:06,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-06 23:32:06,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:32:06,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-06 23:32:06,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:32:06,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-06 23:32:06,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:32:06,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-06 23:32:06,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:32:06,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-06 23:32:06,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:32:06,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-06 23:32:06,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:32:06,248 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2024-11-06 23:32:06,248 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-06 23:32:06,248 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [590899235] [2024-11-06 23:32:06,248 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [590899235] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 23:32:06,248 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 23:32:06,248 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-06 23:32:06,249 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1142471396] [2024-11-06 23:32:06,249 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 23:32:06,249 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-06 23:32:06,250 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-06 23:32:06,250 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-06 23:32:06,250 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-06 23:32:06,250 INFO L87 Difference]: Start difference. First operand 5306 states and 9004 transitions. Second operand has 6 states, 6 states have (on average 17.166666666666668) internal successors, (103), 3 states have internal predecessors, (103), 2 states have call successors, (20), 5 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-06 23:32:07,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 23:32:07,208 INFO L93 Difference]: Finished difference Result 13122 states and 22748 transitions. [2024-11-06 23:32:07,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-06 23:32:07,209 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 17.166666666666668) internal successors, (103), 3 states have internal predecessors, (103), 2 states have call successors, (20), 5 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 164 [2024-11-06 23:32:07,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 23:32:07,258 INFO L225 Difference]: With dead ends: 13122 [2024-11-06 23:32:07,258 INFO L226 Difference]: Without dead ends: 8875 [2024-11-06 23:32:07,276 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-06 23:32:07,277 INFO L432 NwaCegarLoop]: 174 mSDtfsCounter, 955 mSDsluCounter, 494 mSDsCounter, 0 mSdLazyCounter, 926 mSolverCounterSat, 340 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 971 SdHoareTripleChecker+Valid, 668 SdHoareTripleChecker+Invalid, 1266 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 340 IncrementalHoareTripleChecker+Valid, 926 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-06 23:32:07,277 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [971 Valid, 668 Invalid, 1266 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [340 Valid, 926 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-06 23:32:07,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8875 states. [2024-11-06 23:32:07,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8875 to 8794. [2024-11-06 23:32:07,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8794 states, 7197 states have (on average 1.6110879533138809) internal successors, (11595), 7204 states have internal predecessors, (11595), 1569 states have call successors, (1569), 23 states have call predecessors, (1569), 27 states have return successors, (1764), 1568 states have call predecessors, (1764), 1568 states have call successors, (1764) [2024-11-06 23:32:07,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8794 states to 8794 states and 14928 transitions. [2024-11-06 23:32:07,706 INFO L78 Accepts]: Start accepts. Automaton has 8794 states and 14928 transitions. Word has length 164 [2024-11-06 23:32:07,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 23:32:07,706 INFO L471 AbstractCegarLoop]: Abstraction has 8794 states and 14928 transitions. [2024-11-06 23:32:07,707 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 17.166666666666668) internal successors, (103), 3 states have internal predecessors, (103), 2 states have call successors, (20), 5 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-06 23:32:07,707 INFO L276 IsEmpty]: Start isEmpty. Operand 8794 states and 14928 transitions. [2024-11-06 23:32:07,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2024-11-06 23:32:07,742 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 23:32:07,742 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-06 23:32:07,742 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-06 23:32:07,743 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 23:32:07,743 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 23:32:07,743 INFO L85 PathProgramCache]: Analyzing trace with hash -1857828889, now seen corresponding path program 1 times [2024-11-06 23:32:07,744 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-06 23:32:07,744 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1808778065] [2024-11-06 23:32:07,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 23:32:07,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-06 23:32:07,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:32:07,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-06 23:32:07,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:32:07,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-06 23:32:07,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:32:07,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-06 23:32:07,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:32:07,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-06 23:32:07,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:32:07,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-06 23:32:07,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:32:07,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-06 23:32:07,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:32:07,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-06 23:32:07,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:32:07,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-06 23:32:07,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:32:07,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-06 23:32:07,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:32:07,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-06 23:32:07,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:32:07,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-06 23:32:07,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:32:07,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-06 23:32:07,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:32:07,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-06 23:32:07,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:32:07,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-06 23:32:07,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:32:07,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-06 23:32:07,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:32:07,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-06 23:32:07,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:32:07,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-06 23:32:07,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:32:07,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-06 23:32:07,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:32:07,844 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2024-11-06 23:32:07,845 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-06 23:32:07,845 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1808778065] [2024-11-06 23:32:07,845 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1808778065] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 23:32:07,845 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 23:32:07,845 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-06 23:32:07,845 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [425994114] [2024-11-06 23:32:07,845 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 23:32:07,845 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-06 23:32:07,845 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-06 23:32:07,846 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-06 23:32:07,846 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-06 23:32:07,846 INFO L87 Difference]: Start difference. First operand 8794 states and 14928 transitions. Second operand has 6 states, 6 states have (on average 17.333333333333332) internal successors, (104), 3 states have internal predecessors, (104), 2 states have call successors, (20), 5 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-06 23:32:09,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 23:32:09,009 INFO L93 Difference]: Finished difference Result 22781 states and 39454 transitions. [2024-11-06 23:32:09,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-06 23:32:09,010 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 17.333333333333332) internal successors, (104), 3 states have internal predecessors, (104), 2 states have call successors, (20), 5 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 165 [2024-11-06 23:32:09,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 23:32:09,090 INFO L225 Difference]: With dead ends: 22781 [2024-11-06 23:32:09,090 INFO L226 Difference]: Without dead ends: 15468 [2024-11-06 23:32:09,125 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-06 23:32:09,126 INFO L432 NwaCegarLoop]: 194 mSDtfsCounter, 927 mSDsluCounter, 519 mSDsCounter, 0 mSdLazyCounter, 994 mSolverCounterSat, 323 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 942 SdHoareTripleChecker+Valid, 713 SdHoareTripleChecker+Invalid, 1317 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 323 IncrementalHoareTripleChecker+Valid, 994 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-06 23:32:09,126 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [942 Valid, 713 Invalid, 1317 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [323 Valid, 994 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-06 23:32:09,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15468 states. [2024-11-06 23:32:09,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15468 to 15387. [2024-11-06 23:32:09,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15387 states, 12587 states have (on average 1.6017319456582189) internal successors, (20161), 12594 states have internal predecessors, (20161), 2772 states have call successors, (2772), 23 states have call predecessors, (2772), 27 states have return successors, (3111), 2771 states have call predecessors, (3111), 2771 states have call successors, (3111) [2024-11-06 23:32:09,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15387 states to 15387 states and 26044 transitions. [2024-11-06 23:32:09,812 INFO L78 Accepts]: Start accepts. Automaton has 15387 states and 26044 transitions. Word has length 165 [2024-11-06 23:32:09,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 23:32:09,813 INFO L471 AbstractCegarLoop]: Abstraction has 15387 states and 26044 transitions. [2024-11-06 23:32:09,813 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 17.333333333333332) internal successors, (104), 3 states have internal predecessors, (104), 2 states have call successors, (20), 5 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-06 23:32:09,813 INFO L276 IsEmpty]: Start isEmpty. Operand 15387 states and 26044 transitions. [2024-11-06 23:32:09,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2024-11-06 23:32:09,859 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 23:32:09,859 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-06 23:32:09,859 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-06 23:32:09,859 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 23:32:09,860 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 23:32:09,860 INFO L85 PathProgramCache]: Analyzing trace with hash -404028959, now seen corresponding path program 1 times [2024-11-06 23:32:09,860 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-06 23:32:09,860 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1033633372] [2024-11-06 23:32:09,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 23:32:09,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-06 23:32:09,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:32:09,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-06 23:32:09,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:32:09,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-06 23:32:09,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:32:09,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-06 23:32:09,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:32:09,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-06 23:32:09,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:32:09,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-06 23:32:09,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:32:09,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-06 23:32:09,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:32:09,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-06 23:32:09,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:32:09,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-06 23:32:09,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:32:09,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-06 23:32:09,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:32:09,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-06 23:32:09,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:32:09,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-06 23:32:09,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:32:09,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-06 23:32:09,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:32:09,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-06 23:32:09,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:32:09,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-06 23:32:09,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:32:09,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-06 23:32:09,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:32:09,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-06 23:32:09,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:32:09,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-06 23:32:09,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:32:09,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-06 23:32:09,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:32:09,957 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2024-11-06 23:32:09,957 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-06 23:32:09,957 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1033633372] [2024-11-06 23:32:09,957 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1033633372] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 23:32:09,957 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 23:32:09,957 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-06 23:32:09,957 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1567428519] [2024-11-06 23:32:09,958 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 23:32:09,958 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-06 23:32:09,958 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-06 23:32:09,958 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-06 23:32:09,958 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-06 23:32:09,959 INFO L87 Difference]: Start difference. First operand 15387 states and 26044 transitions. Second operand has 6 states, 6 states have (on average 17.5) internal successors, (105), 3 states have internal predecessors, (105), 2 states have call successors, (20), 5 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-06 23:32:11,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 23:32:11,266 INFO L93 Difference]: Finished difference Result 40737 states and 70437 transitions. [2024-11-06 23:32:11,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-06 23:32:11,267 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 17.5) internal successors, (105), 3 states have internal predecessors, (105), 2 states have call successors, (20), 5 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 166 [2024-11-06 23:32:11,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 23:32:11,393 INFO L225 Difference]: With dead ends: 40737 [2024-11-06 23:32:11,394 INFO L226 Difference]: Without dead ends: 27438 [2024-11-06 23:32:11,433 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-06 23:32:11,434 INFO L432 NwaCegarLoop]: 168 mSDtfsCounter, 901 mSDsluCounter, 478 mSDsCounter, 0 mSdLazyCounter, 1000 mSolverCounterSat, 317 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 916 SdHoareTripleChecker+Valid, 646 SdHoareTripleChecker+Invalid, 1317 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 317 IncrementalHoareTripleChecker+Valid, 1000 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-06 23:32:11,434 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [916 Valid, 646 Invalid, 1317 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [317 Valid, 1000 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-06 23:32:11,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27438 states. [2024-11-06 23:32:12,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27438 to 27357. [2024-11-06 23:32:12,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27357 states, 22518 states have (on average 1.5973443467448263) internal successors, (35969), 22525 states have internal predecessors, (35969), 4811 states have call successors, (4811), 23 states have call predecessors, (4811), 27 states have return successors, (5424), 4810 states have call predecessors, (5424), 4810 states have call successors, (5424) [2024-11-06 23:32:12,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27357 states to 27357 states and 46204 transitions. [2024-11-06 23:32:12,638 INFO L78 Accepts]: Start accepts. Automaton has 27357 states and 46204 transitions. Word has length 166 [2024-11-06 23:32:12,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 23:32:12,639 INFO L471 AbstractCegarLoop]: Abstraction has 27357 states and 46204 transitions. [2024-11-06 23:32:12,639 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 17.5) internal successors, (105), 3 states have internal predecessors, (105), 2 states have call successors, (20), 5 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-06 23:32:12,639 INFO L276 IsEmpty]: Start isEmpty. Operand 27357 states and 46204 transitions. [2024-11-06 23:32:12,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2024-11-06 23:32:12,726 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 23:32:12,726 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-06 23:32:12,727 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-06 23:32:12,727 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 23:32:12,727 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 23:32:12,727 INFO L85 PathProgramCache]: Analyzing trace with hash -1407538167, now seen corresponding path program 1 times [2024-11-06 23:32:12,727 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-06 23:32:12,727 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1223747155] [2024-11-06 23:32:12,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 23:32:12,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-06 23:32:12,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:32:12,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-06 23:32:12,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:32:12,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-06 23:32:12,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:32:12,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-06 23:32:12,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:32:12,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-06 23:32:12,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:32:12,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-06 23:32:12,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:32:12,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-06 23:32:12,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:32:12,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-06 23:32:12,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:32:12,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-06 23:32:12,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:32:12,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-06 23:32:12,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:32:12,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-06 23:32:12,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:32:12,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-06 23:32:12,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:32:12,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-06 23:32:12,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:32:12,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-06 23:32:12,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:32:12,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-06 23:32:12,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:32:12,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-06 23:32:12,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:32:12,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-06 23:32:12,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:32:12,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-06 23:32:12,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:32:12,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-06 23:32:12,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:32:12,869 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2024-11-06 23:32:12,869 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-06 23:32:12,869 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1223747155] [2024-11-06 23:32:12,869 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1223747155] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 23:32:12,869 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 23:32:12,870 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-06 23:32:12,870 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [670728993] [2024-11-06 23:32:12,870 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 23:32:12,870 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-06 23:32:12,870 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-06 23:32:12,871 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-06 23:32:12,871 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-06 23:32:12,871 INFO L87 Difference]: Start difference. First operand 27357 states and 46204 transitions. Second operand has 6 states, 6 states have (on average 17.666666666666668) internal successors, (106), 3 states have internal predecessors, (106), 2 states have call successors, (20), 5 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-06 23:32:14,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 23:32:14,746 INFO L93 Difference]: Finished difference Result 74524 states and 128036 transitions. [2024-11-06 23:32:14,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-06 23:32:14,746 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 17.666666666666668) internal successors, (106), 3 states have internal predecessors, (106), 2 states have call successors, (20), 5 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 167 [2024-11-06 23:32:14,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 23:32:14,980 INFO L225 Difference]: With dead ends: 74524 [2024-11-06 23:32:14,981 INFO L226 Difference]: Without dead ends: 49987 [2024-11-06 23:32:15,070 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-06 23:32:15,073 INFO L432 NwaCegarLoop]: 171 mSDtfsCounter, 901 mSDsluCounter, 484 mSDsCounter, 0 mSdLazyCounter, 1009 mSolverCounterSat, 308 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 916 SdHoareTripleChecker+Valid, 655 SdHoareTripleChecker+Invalid, 1317 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 308 IncrementalHoareTripleChecker+Valid, 1009 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-06 23:32:15,074 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [916 Valid, 655 Invalid, 1317 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [308 Valid, 1009 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-06 23:32:15,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49987 states. [2024-11-06 23:32:17,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49987 to 49906. [2024-11-06 23:32:17,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49906 states, 41352 states have (on average 1.5914586960727413) internal successors, (65810), 41359 states have internal predecessors, (65810), 8526 states have call successors, (8526), 23 states have call predecessors, (8526), 27 states have return successors, (9671), 8525 states have call predecessors, (9671), 8525 states have call successors, (9671) [2024-11-06 23:32:17,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49906 states to 49906 states and 84007 transitions. [2024-11-06 23:32:17,400 INFO L78 Accepts]: Start accepts. Automaton has 49906 states and 84007 transitions. Word has length 167 [2024-11-06 23:32:17,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 23:32:17,400 INFO L471 AbstractCegarLoop]: Abstraction has 49906 states and 84007 transitions. [2024-11-06 23:32:17,400 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 17.666666666666668) internal successors, (106), 3 states have internal predecessors, (106), 2 states have call successors, (20), 5 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-06 23:32:17,401 INFO L276 IsEmpty]: Start isEmpty. Operand 49906 states and 84007 transitions. [2024-11-06 23:32:17,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2024-11-06 23:32:17,534 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 23:32:17,535 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-06 23:32:17,535 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-06 23:32:17,535 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 23:32:17,535 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 23:32:17,535 INFO L85 PathProgramCache]: Analyzing trace with hash -2075398847, now seen corresponding path program 1 times [2024-11-06 23:32:17,536 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-06 23:32:17,536 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [260956917] [2024-11-06 23:32:17,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 23:32:17,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-06 23:32:17,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:32:17,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-06 23:32:17,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:32:17,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-06 23:32:17,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:32:17,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-06 23:32:17,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:32:17,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-06 23:32:17,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:32:17,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-06 23:32:17,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:32:17,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-06 23:32:17,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:32:17,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-06 23:32:17,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:32:17,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-06 23:32:17,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:32:17,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-06 23:32:17,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:32:17,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-06 23:32:17,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:32:17,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-06 23:32:17,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:32:17,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-06 23:32:17,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:32:17,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-06 23:32:17,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:32:17,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-06 23:32:17,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:32:17,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-06 23:32:17,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:32:17,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-06 23:32:17,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:32:17,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-06 23:32:17,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:32:17,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-06 23:32:17,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:32:17,677 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2024-11-06 23:32:17,677 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-06 23:32:17,677 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [260956917] [2024-11-06 23:32:17,677 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [260956917] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 23:32:17,677 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 23:32:17,677 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-06 23:32:17,677 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [55459728] [2024-11-06 23:32:17,677 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 23:32:17,677 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-06 23:32:17,677 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-06 23:32:17,678 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-06 23:32:17,678 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-06 23:32:17,678 INFO L87 Difference]: Start difference. First operand 49906 states and 84007 transitions. Second operand has 6 states, 6 states have (on average 17.833333333333332) internal successors, (107), 3 states have internal predecessors, (107), 2 states have call successors, (20), 5 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-06 23:32:20,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 23:32:20,225 INFO L93 Difference]: Finished difference Result 93010 states and 160167 transitions. [2024-11-06 23:32:20,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-06 23:32:20,226 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 17.833333333333332) internal successors, (107), 3 states have internal predecessors, (107), 2 states have call successors, (20), 5 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 168 [2024-11-06 23:32:20,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 23:32:20,574 INFO L225 Difference]: With dead ends: 93010 [2024-11-06 23:32:20,574 INFO L226 Difference]: Without dead ends: 92831 [2024-11-06 23:32:20,622 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-06 23:32:20,623 INFO L432 NwaCegarLoop]: 178 mSDtfsCounter, 920 mSDsluCounter, 500 mSDsCounter, 0 mSdLazyCounter, 972 mSolverCounterSat, 325 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 934 SdHoareTripleChecker+Valid, 678 SdHoareTripleChecker+Invalid, 1297 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 325 IncrementalHoareTripleChecker+Valid, 972 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-06 23:32:20,623 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [934 Valid, 678 Invalid, 1297 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [325 Valid, 972 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-06 23:32:20,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92831 states. [2024-11-06 23:32:23,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92831 to 92750. [2024-11-06 23:32:23,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92750 states, 77397 states have (on average 1.5839890435029782) internal successors, (122596), 77404 states have internal predecessors, (122596), 15325 states have call successors, (15325), 23 states have call predecessors, (15325), 27 states have return successors, (17516), 15324 states have call predecessors, (17516), 15324 states have call successors, (17516) [2024-11-06 23:32:23,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92750 states to 92750 states and 155437 transitions. [2024-11-06 23:32:23,620 INFO L78 Accepts]: Start accepts. Automaton has 92750 states and 155437 transitions. Word has length 168 [2024-11-06 23:32:23,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 23:32:23,620 INFO L471 AbstractCegarLoop]: Abstraction has 92750 states and 155437 transitions. [2024-11-06 23:32:23,620 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 17.833333333333332) internal successors, (107), 3 states have internal predecessors, (107), 2 states have call successors, (20), 5 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-06 23:32:23,620 INFO L276 IsEmpty]: Start isEmpty. Operand 92750 states and 155437 transitions. [2024-11-06 23:32:23,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2024-11-06 23:32:23,759 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 23:32:23,759 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-06 23:32:23,759 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-06 23:32:23,759 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 23:32:23,759 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 23:32:23,760 INFO L85 PathProgramCache]: Analyzing trace with hash -305648440, now seen corresponding path program 1 times [2024-11-06 23:32:23,760 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-06 23:32:23,760 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [362681369] [2024-11-06 23:32:23,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 23:32:23,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-06 23:32:23,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:32:24,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-06 23:32:24,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:32:24,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-06 23:32:24,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:32:24,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-06 23:32:24,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:32:24,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-06 23:32:24,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:32:24,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-06 23:32:24,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:32:24,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-06 23:32:24,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:32:24,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-06 23:32:24,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:32:24,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-06 23:32:24,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:32:24,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-06 23:32:24,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:32:24,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-06 23:32:24,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:32:24,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-06 23:32:24,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:32:24,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-06 23:32:24,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:32:24,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-06 23:32:24,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:32:24,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-06 23:32:24,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:32:24,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-06 23:32:24,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:32:24,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-06 23:32:24,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:32:24,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-06 23:32:24,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:32:24,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-06 23:32:24,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:32:24,117 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2024-11-06 23:32:24,117 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-06 23:32:24,117 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [362681369] [2024-11-06 23:32:24,118 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [362681369] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-06 23:32:24,118 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [3130463] [2024-11-06 23:32:24,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 23:32:24,118 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-06 23:32:24,118 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-06 23:32:24,120 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-06 23:32:24,122 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-06 23:32:24,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:32:24,464 INFO L255 TraceCheckSpWp]: Trace formula consists of 1208 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-06 23:32:24,468 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-06 23:32:24,670 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-11-06 23:32:24,670 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-06 23:32:25,042 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-11-06 23:32:25,042 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [3130463] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-06 23:32:25,042 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-06 23:32:25,042 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 9, 9] total 30 [2024-11-06 23:32:25,042 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [923074449] [2024-11-06 23:32:25,042 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-06 23:32:25,043 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2024-11-06 23:32:25,043 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-06 23:32:25,044 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2024-11-06 23:32:25,045 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=796, Unknown=0, NotChecked=0, Total=870 [2024-11-06 23:32:25,045 INFO L87 Difference]: Start difference. First operand 92750 states and 155437 transitions. Second operand has 30 states, 29 states have (on average 9.068965517241379) internal successors, (263), 23 states have internal predecessors, (263), 9 states have call successors, (51), 11 states have call predecessors, (51), 11 states have return successors, (45), 11 states have call predecessors, (45), 9 states have call successors, (45) [2024-11-06 23:32:50,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 23:32:50,297 INFO L93 Difference]: Finished difference Result 554565 states and 978482 transitions. [2024-11-06 23:32:50,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states. [2024-11-06 23:32:50,298 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 29 states have (on average 9.068965517241379) internal successors, (263), 23 states have internal predecessors, (263), 9 states have call successors, (51), 11 states have call predecessors, (51), 11 states have return successors, (45), 11 states have call predecessors, (45), 9 states have call successors, (45) Word has length 169 [2024-11-06 23:32:50,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted.