./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--md--md-cluster.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4f9af400 extending candidate: java ['java'] extending candidate: /usr/bin/java ['java', '/usr/bin/java'] extending candidate: /opt/oracle-jdk-bin-*/bin/java ['java', '/usr/bin/java'] extending candidate: /opt/openjdk-*/bin/java ['java', '/usr/bin/java'] extending candidate: /usr/lib/jvm/java-*-openjdk-amd64/bin/java ['java', '/usr/bin/java', '/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java', '/usr/lib/jvm/java-17-openjdk-amd64/bin/java', '/usr/lib/jvm/java-11-openjdk-amd64/bin/java', '/usr/lib/jvm/java-1.17.0-openjdk-amd64/bin/java'] ['/root/.sdkman/candidates/java/21.0.5-tem/bin/java', '-Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config', '-Xmx15G', '-Xms4m', '-jar', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar', '-data', '@noDefault', '-ultimatedata', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data', '-tc', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml', '-i', '../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--md--md-cluster.ko-entry_point.cil.out.i', '-s', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf', '--cacsl2boogietranslator.entry.function', 'main', '--witnessprinter.witness.directory', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux', '--witnessprinter.witness.filename', 'witness', '--witnessprinter.write.witness.besides.input.file', 'false', '--witnessprinter.graph.data.specification', 'CHECK( init(main()), LTL(G ! call(reach_error())) )\n\n', '--witnessprinter.graph.data.producer', 'Automizer', '--witnessprinter.graph.data.architecture', '64bit', '--witnessprinter.graph.data.programhash', '03d5d1a576959110e79c00ca2825754bce7439905d85699b470a90adbbee10ad'] 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/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--md--md-cluster.ko-entry_point.cil.out.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 03d5d1a576959110e79c00ca2825754bce7439905d85699b470a90adbbee10ad --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 13:12:04,362 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 13:12:04,499 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-07 13:12:04,505 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 13:12:04,506 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 13:12:04,535 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 13:12:04,537 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 13:12:04,537 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 13:12:04,538 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 13:12:04,538 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 13:12:04,538 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 13:12:04,538 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 13:12:04,539 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 13:12:04,540 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 13:12:04,540 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 13:12:04,540 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 13:12:04,540 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 13:12:04,540 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 13:12:04,540 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 13:12:04,540 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 13:12:04,540 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 13:12:04,541 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 13:12:04,541 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 13:12:04,541 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 13:12:04,541 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 13:12:04,541 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 13:12:04,542 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 13:12:04,542 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 13:12:04,542 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 13:12:04,542 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 13:12:04,542 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 13:12:04,542 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 13:12:04,543 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 13:12:04,543 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 13:12:04,543 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 13:12:04,543 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 13:12:04,543 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 13:12:04,543 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 13:12:04,544 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 13:12:04,544 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 03d5d1a576959110e79c00ca2825754bce7439905d85699b470a90adbbee10ad [2024-11-07 13:12:04,850 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 13:12:04,858 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 13:12:04,860 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 13:12:04,862 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 13:12:04,862 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 13:12:04,864 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--md--md-cluster.ko-entry_point.cil.out.i [2024-11-07 13:12:06,230 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 13:12:06,864 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 13:12:06,865 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--md--md-cluster.ko-entry_point.cil.out.i [2024-11-07 13:12:06,903 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/2f778ad18/293b16f37ff54b87a6e694e1726f4b6f/FLAG0284f3919 [2024-11-07 13:12:06,926 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/2f778ad18/293b16f37ff54b87a6e694e1726f4b6f [2024-11-07 13:12:06,931 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 13:12:06,932 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 13:12:06,934 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 13:12:06,935 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 13:12:06,939 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 13:12:06,940 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:12:06" (1/1) ... [2024-11-07 13:12:06,941 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29ad452e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:12:06, skipping insertion in model container [2024-11-07 13:12:06,942 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:12:06" (1/1) ... [2024-11-07 13:12:07,020 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 13:12:08,079 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/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--md--md-cluster.ko-entry_point.cil.out.i[164960,164973] [2024-11-07 13:12:08,128 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 13:12:08,147 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 13:12:08,268 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; bts %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [4160] [2024-11-07 13:12:08,271 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; btr %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr)); [4167] [2024-11-07 13:12:08,273 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("bsrq %1,%q0": "+r" (bitpos): "rm" (x)); [4182] [2024-11-07 13:12:08,528 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/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--md--md-cluster.ko-entry_point.cil.out.i[164960,164973] [2024-11-07 13:12:08,541 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 13:12:08,634 INFO L204 MainTranslator]: Completed translation [2024-11-07 13:12:08,635 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:12:08 WrapperNode [2024-11-07 13:12:08,636 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 13:12:08,638 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 13:12:08,638 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 13:12:08,638 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 13:12:08,645 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:12:08" (1/1) ... [2024-11-07 13:12:08,705 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:12:08" (1/1) ... [2024-11-07 13:12:08,813 INFO L138 Inliner]: procedures = 151, calls = 825, calls flagged for inlining = 67, calls inlined = 53, statements flattened = 1885 [2024-11-07 13:12:08,813 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 13:12:08,814 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 13:12:08,814 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 13:12:08,814 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 13:12:08,825 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:12:08" (1/1) ... [2024-11-07 13:12:08,825 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:12:08" (1/1) ... [2024-11-07 13:12:08,849 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:12:08" (1/1) ... [2024-11-07 13:12:09,114 INFO L175 MemorySlicer]: Split 277 memory accesses to 11 slices as follows [12, 2, 3, 8, 16, 16, 24, 23, 170, 1, 2]. 61 percent of accesses are in the largest equivalence class. The 51 initializations are split as follows [0, 2, 3, 8, 16, 0, 18, 0, 4, 0, 0]. The 81 writes are split as follows [1, 0, 0, 0, 0, 16, 6, 16, 42, 0, 0]. [2024-11-07 13:12:09,115 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:12:08" (1/1) ... [2024-11-07 13:12:09,115 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:12:08" (1/1) ... [2024-11-07 13:12:09,204 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:12:08" (1/1) ... [2024-11-07 13:12:09,220 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:12:08" (1/1) ... [2024-11-07 13:12:09,244 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:12:08" (1/1) ... [2024-11-07 13:12:09,263 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:12:08" (1/1) ... [2024-11-07 13:12:09,284 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 13:12:09,286 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 13:12:09,287 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 13:12:09,287 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 13:12:09,288 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:12:08" (1/1) ... [2024-11-07 13:12:09,293 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 13:12:09,309 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 13:12:09,324 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-07 13:12:09,329 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-07 13:12:09,353 INFO L130 BoogieDeclarations]: Found specification of procedure dlm_lock_sync [2024-11-07 13:12:09,353 INFO L138 BoogieDeclarations]: Found implementation of procedure dlm_lock_sync [2024-11-07 13:12:09,354 INFO L130 BoogieDeclarations]: Found specification of procedure lockres_free [2024-11-07 13:12:09,354 INFO L138 BoogieDeclarations]: Found implementation of procedure lockres_free [2024-11-07 13:12:09,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-07 13:12:09,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-07 13:12:09,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-07 13:12:09,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-07 13:12:09,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-07 13:12:09,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-07 13:12:09,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-07 13:12:09,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-07 13:12:09,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-11-07 13:12:09,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-11-07 13:12:09,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-11-07 13:12:09,355 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-11-07 13:12:09,355 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-11-07 13:12:09,355 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-11-07 13:12:09,355 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-11-07 13:12:09,355 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-11-07 13:12:09,355 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-11-07 13:12:09,355 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-11-07 13:12:09,355 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2024-11-07 13:12:09,356 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2024-11-07 13:12:09,356 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2024-11-07 13:12:09,356 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2024-11-07 13:12:09,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-07 13:12:09,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-07 13:12:09,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-07 13:12:09,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-07 13:12:09,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-07 13:12:09,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-07 13:12:09,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-07 13:12:09,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-07 13:12:09,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-11-07 13:12:09,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-11-07 13:12:09,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-11-07 13:12:09,359 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-07 13:12:09,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-07 13:12:09,359 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-07 13:12:09,359 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-07 13:12:09,359 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-07 13:12:09,359 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-07 13:12:09,360 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-07 13:12:09,360 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-07 13:12:09,360 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-07 13:12:09,360 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-07 13:12:09,360 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-07 13:12:09,360 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-07 13:12:09,360 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-07 13:12:09,360 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-11-07 13:12:09,360 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-11-07 13:12:09,360 INFO L130 BoogieDeclarations]: Found specification of procedure dlm_release_lockspace [2024-11-07 13:12:09,360 INFO L138 BoogieDeclarations]: Found implementation of procedure dlm_release_lockspace [2024-11-07 13:12:09,360 INFO L130 BoogieDeclarations]: Found specification of procedure lock_comm [2024-11-07 13:12:09,360 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_comm [2024-11-07 13:12:09,360 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2024-11-07 13:12:09,360 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2024-11-07 13:12:09,360 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2024-11-07 13:12:09,360 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2024-11-07 13:12:09,360 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2024-11-07 13:12:09,360 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2024-11-07 13:12:09,360 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2024-11-07 13:12:09,360 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#7 [2024-11-07 13:12:09,360 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#8 [2024-11-07 13:12:09,361 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#9 [2024-11-07 13:12:09,361 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#10 [2024-11-07 13:12:09,361 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2024-11-07 13:12:09,361 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2024-11-07 13:12:09,361 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2024-11-07 13:12:09,361 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2024-11-07 13:12:09,361 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2024-11-07 13:12:09,361 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2024-11-07 13:12:09,361 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2024-11-07 13:12:09,361 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#7 [2024-11-07 13:12:09,361 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#8 [2024-11-07 13:12:09,361 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#9 [2024-11-07 13:12:09,361 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#10 [2024-11-07 13:12:09,361 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-07 13:12:09,361 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-07 13:12:09,361 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2024-11-07 13:12:09,361 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2024-11-07 13:12:09,361 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2024-11-07 13:12:09,361 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2024-11-07 13:12:09,361 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-11-07 13:12:09,362 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-11-07 13:12:09,362 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2024-11-07 13:12:09,362 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2024-11-07 13:12:09,362 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-07 13:12:09,362 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-07 13:12:09,362 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-07 13:12:09,362 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-07 13:12:09,362 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-07 13:12:09,362 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-07 13:12:09,362 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-07 13:12:09,362 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-07 13:12:09,365 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-07 13:12:09,365 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-07 13:12:09,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-07 13:12:09,366 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-07 13:12:09,366 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-07 13:12:09,366 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2024-11-07 13:12:09,367 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2024-11-07 13:12:09,368 INFO L130 BoogieDeclarations]: Found specification of procedure md_wakeup_thread [2024-11-07 13:12:09,368 INFO L138 BoogieDeclarations]: Found implementation of procedure md_wakeup_thread [2024-11-07 13:12:09,368 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-07 13:12:09,368 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-07 13:12:09,368 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-11-07 13:12:09,368 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2024-11-07 13:12:09,368 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2024-11-07 13:12:09,368 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2024-11-07 13:12:09,368 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2024-11-07 13:12:09,368 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2024-11-07 13:12:09,368 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#8 [2024-11-07 13:12:09,368 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#9 [2024-11-07 13:12:09,368 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#10 [2024-11-07 13:12:09,368 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-07 13:12:09,368 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-07 13:12:09,368 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-11-07 13:12:09,368 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2024-11-07 13:12:09,368 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2024-11-07 13:12:09,368 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2024-11-07 13:12:09,368 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2024-11-07 13:12:09,368 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2024-11-07 13:12:09,368 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#8 [2024-11-07 13:12:09,369 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#9 [2024-11-07 13:12:09,369 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#10 [2024-11-07 13:12:09,369 INFO L130 BoogieDeclarations]: Found specification of procedure bitmap_copy_from_slot [2024-11-07 13:12:09,369 INFO L138 BoogieDeclarations]: Found implementation of procedure bitmap_copy_from_slot [2024-11-07 13:12:09,369 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2024-11-07 13:12:09,369 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2024-11-07 13:12:09,369 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-07 13:12:09,369 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-07 13:12:09,369 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-07 13:12:09,369 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2024-11-07 13:12:09,369 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2024-11-07 13:12:09,369 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2024-11-07 13:12:09,369 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2024-11-07 13:12:09,369 INFO L130 BoogieDeclarations]: Found specification of procedure md_register_thread [2024-11-07 13:12:09,369 INFO L138 BoogieDeclarations]: Found implementation of procedure md_register_thread [2024-11-07 13:12:09,369 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 13:12:09,369 INFO L130 BoogieDeclarations]: Found specification of procedure md_unregister_thread [2024-11-07 13:12:09,369 INFO L138 BoogieDeclarations]: Found implementation of procedure md_unregister_thread [2024-11-07 13:12:09,369 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion [2024-11-07 13:12:09,369 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion [2024-11-07 13:12:09,369 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-07 13:12:09,369 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-07 13:12:09,369 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-07 13:12:09,369 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-07 13:12:09,369 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-07 13:12:09,369 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-07 13:12:09,370 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-07 13:12:09,370 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-07 13:12:09,370 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-07 13:12:09,370 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-07 13:12:09,370 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-11-07 13:12:09,370 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-11-07 13:12:09,370 INFO L130 BoogieDeclarations]: Found specification of procedure resync_send [2024-11-07 13:12:09,370 INFO L138 BoogieDeclarations]: Found implementation of procedure resync_send [2024-11-07 13:12:09,370 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2024-11-07 13:12:09,370 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2024-11-07 13:12:09,370 INFO L130 BoogieDeclarations]: Found specification of procedure lockres_init [2024-11-07 13:12:09,370 INFO L138 BoogieDeclarations]: Found implementation of procedure lockres_init [2024-11-07 13:12:09,370 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-07 13:12:09,370 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-07 13:12:09,370 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-07 13:12:09,371 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-07 13:12:09,371 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-07 13:12:09,371 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-07 13:12:09,371 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-07 13:12:09,371 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-07 13:12:09,371 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-07 13:12:09,371 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-07 13:12:09,371 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-11-07 13:12:09,372 INFO L130 BoogieDeclarations]: Found specification of procedure unlock_comm [2024-11-07 13:12:09,372 INFO L138 BoogieDeclarations]: Found implementation of procedure unlock_comm [2024-11-07 13:12:09,372 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2024-11-07 13:12:09,372 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2024-11-07 13:12:09,372 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-07 13:12:09,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-07 13:12:09,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-07 13:12:09,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-07 13:12:09,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-07 13:12:09,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-07 13:12:09,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-07 13:12:09,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-07 13:12:09,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-07 13:12:09,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-11-07 13:12:09,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-11-07 13:12:09,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-11-07 13:12:09,372 INFO L130 BoogieDeclarations]: Found specification of procedure resync_info_update [2024-11-07 13:12:09,372 INFO L138 BoogieDeclarations]: Found implementation of procedure resync_info_update [2024-11-07 13:12:09,372 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-07 13:12:09,372 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-07 13:12:09,372 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2024-11-07 13:12:09,372 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2024-11-07 13:12:09,372 INFO L130 BoogieDeclarations]: Found specification of procedure __sendmsg [2024-11-07 13:12:09,372 INFO L138 BoogieDeclarations]: Found implementation of procedure __sendmsg [2024-11-07 13:12:09,372 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2024-11-07 13:12:09,372 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2024-11-07 13:12:09,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-07 13:12:09,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-07 13:12:09,373 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-07 13:12:09,373 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-07 13:12:09,373 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-07 13:12:09,373 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-07 13:12:09,373 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-07 13:12:09,373 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-07 13:12:09,373 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-07 13:12:09,373 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-07 13:12:09,373 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-07 13:12:09,373 INFO L130 BoogieDeclarations]: Found specification of procedure pretty_uuid [2024-11-07 13:12:09,373 INFO L138 BoogieDeclarations]: Found implementation of procedure pretty_uuid [2024-11-07 13:12:09,373 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2024-11-07 13:12:09,373 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2024-11-07 13:12:09,373 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2024-11-07 13:12:09,373 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2024-11-07 13:12:09,373 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2024-11-07 13:12:09,373 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2024-11-07 13:12:09,373 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2024-11-07 13:12:09,373 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2024-11-07 13:12:09,373 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2024-11-07 13:12:09,373 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2024-11-07 13:12:09,373 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2024-11-07 13:12:09,373 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 13:12:09,373 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 13:12:09,374 INFO L130 BoogieDeclarations]: Found specification of procedure sendmsg [2024-11-07 13:12:09,374 INFO L138 BoogieDeclarations]: Found implementation of procedure sendmsg [2024-11-07 13:12:09,374 INFO L130 BoogieDeclarations]: Found specification of procedure dlm_unlock_sync [2024-11-07 13:12:09,374 INFO L138 BoogieDeclarations]: Found implementation of procedure dlm_unlock_sync [2024-11-07 13:12:09,987 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 13:12:09,990 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 13:12:10,158 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-07 13:12:12,235 INFO L? ?]: Removed 925 outVars from TransFormulas that were not future-live. [2024-11-07 13:12:12,235 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 13:12:12,264 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 13:12:12,264 INFO L316 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-07 13:12:12,265 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:12:12 BoogieIcfgContainer [2024-11-07 13:12:12,265 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 13:12:12,267 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 13:12:12,267 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 13:12:12,276 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 13:12:12,278 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 01:12:06" (1/3) ... [2024-11-07 13:12:12,279 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5728ae60 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:12:12, skipping insertion in model container [2024-11-07 13:12:12,279 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:12:08" (2/3) ... [2024-11-07 13:12:12,279 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5728ae60 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:12:12, skipping insertion in model container [2024-11-07 13:12:12,280 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:12:12" (3/3) ... [2024-11-07 13:12:12,281 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--md--md-cluster.ko-entry_point.cil.out.i [2024-11-07 13:12:12,296 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 13:12:12,296 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-07 13:12:12,366 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 13:12:12,379 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;@5e0f543d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 13:12:12,380 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-07 13:12:12,388 INFO L276 IsEmpty]: Start isEmpty. Operand has 655 states, 457 states have (on average 1.3085339168490153) internal successors, (598), 468 states have internal predecessors, (598), 156 states have call successors, (156), 41 states have call predecessors, (156), 40 states have return successors, (152), 151 states have call predecessors, (152), 152 states have call successors, (152) [2024-11-07 13:12:12,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2024-11-07 13:12:12,438 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 13:12:12,438 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 13:12:12,439 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 13:12:12,444 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 13:12:12,446 INFO L85 PathProgramCache]: Analyzing trace with hash -672310820, now seen corresponding path program 1 times [2024-11-07 13:12:12,453 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 13:12:12,454 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1122860531] [2024-11-07 13:12:12,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 13:12:12,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 13:12:12,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:13,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 13:12:13,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:13,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:12:13,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:13,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-07 13:12:13,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:13,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-07 13:12:13,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:13,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:12:13,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:13,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-07 13:12:13,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:13,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-07 13:12:13,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:13,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:12:13,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:13,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-07 13:12:13,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:13,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-07 13:12:13,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:13,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:12:13,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:13,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-07 13:12:13,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:13,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:12:13,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:13,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-07 13:12:13,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:13,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:12:13,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:13,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-07 13:12:13,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:13,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:12:13,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:13,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-07 13:12:13,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:13,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:12:13,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:13,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-07 13:12:13,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:13,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:12:13,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:13,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-07 13:12:13,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:13,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:12:13,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:13,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-07 13:12:13,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:13,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:12:13,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:13,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-07 13:12:13,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:13,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:12:13,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:13,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-07 13:12:13,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:13,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:12:13,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:13,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-07 13:12:13,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:13,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:12:13,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:13,763 INFO L134 CoverageAnalysis]: Checked inductivity of 537 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 537 trivial. 0 not checked. [2024-11-07 13:12:13,764 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 13:12:13,764 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1122860531] [2024-11-07 13:12:13,765 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1122860531] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 13:12:13,765 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 13:12:13,765 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 13:12:13,767 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [91706861] [2024-11-07 13:12:13,767 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 13:12:13,772 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 13:12:13,773 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 13:12:13,792 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 13:12:13,793 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-07 13:12:13,798 INFO L87 Difference]: Start difference. First operand has 655 states, 457 states have (on average 1.3085339168490153) internal successors, (598), 468 states have internal predecessors, (598), 156 states have call successors, (156), 41 states have call predecessors, (156), 40 states have return successors, (152), 151 states have call predecessors, (152), 152 states have call successors, (152) Second operand has 5 states, 5 states have (on average 8.6) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (18), 5 states have call predecessors, (18), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-07 13:12:15,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 13:12:15,518 INFO L93 Difference]: Finished difference Result 1336 states and 1909 transitions. [2024-11-07 13:12:15,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 13:12:15,521 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (18), 5 states have call predecessors, (18), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 184 [2024-11-07 13:12:15,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 13:12:15,537 INFO L225 Difference]: With dead ends: 1336 [2024-11-07 13:12:15,540 INFO L226 Difference]: Without dead ends: 675 [2024-11-07 13:12:15,548 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-07 13:12:15,551 INFO L432 NwaCegarLoop]: 598 mSDtfsCounter, 525 mSDsluCounter, 689 mSDsCounter, 0 mSdLazyCounter, 779 mSolverCounterSat, 469 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 553 SdHoareTripleChecker+Valid, 1287 SdHoareTripleChecker+Invalid, 1248 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 469 IncrementalHoareTripleChecker+Valid, 779 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-07 13:12:15,552 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [553 Valid, 1287 Invalid, 1248 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [469 Valid, 779 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-07 13:12:15,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 675 states. [2024-11-07 13:12:15,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 675 to 644. [2024-11-07 13:12:15,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 644 states, 452 states have (on average 1.2898230088495575) internal successors, (583), 457 states have internal predecessors, (583), 152 states have call successors, (152), 40 states have call predecessors, (152), 39 states have return successors, (150), 149 states have call predecessors, (150), 150 states have call successors, (150) [2024-11-07 13:12:15,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 644 states to 644 states and 885 transitions. [2024-11-07 13:12:15,656 INFO L78 Accepts]: Start accepts. Automaton has 644 states and 885 transitions. Word has length 184 [2024-11-07 13:12:15,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 13:12:15,656 INFO L471 AbstractCegarLoop]: Abstraction has 644 states and 885 transitions. [2024-11-07 13:12:15,656 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (18), 5 states have call predecessors, (18), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-07 13:12:15,656 INFO L276 IsEmpty]: Start isEmpty. Operand 644 states and 885 transitions. [2024-11-07 13:12:15,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2024-11-07 13:12:15,661 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 13:12:15,661 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 13:12:15,662 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-07 13:12:15,662 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 13:12:15,662 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 13:12:15,662 INFO L85 PathProgramCache]: Analyzing trace with hash 43930850, now seen corresponding path program 1 times [2024-11-07 13:12:15,662 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 13:12:15,663 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1462865761] [2024-11-07 13:12:15,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 13:12:15,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 13:12:15,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:15,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 13:12:15,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:16,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:12:16,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:16,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-07 13:12:16,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:16,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-07 13:12:16,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:16,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:12:16,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:16,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-07 13:12:16,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:16,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-07 13:12:16,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:16,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:12:16,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:16,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-07 13:12:16,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:16,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-07 13:12:16,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:16,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:12:16,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:16,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-07 13:12:16,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:16,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:12:16,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:16,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-07 13:12:16,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:16,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:12:16,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:16,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-07 13:12:16,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:16,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:12:16,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:16,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-07 13:12:16,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:16,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:12:16,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:16,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-07 13:12:16,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:16,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:12:16,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:16,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-07 13:12:16,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:16,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:12:16,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:16,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-07 13:12:16,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:16,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:12:16,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:16,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-07 13:12:16,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:16,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:12:16,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:16,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-07 13:12:16,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:16,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:12:16,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:16,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-07 13:12:16,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:16,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:12:16,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:16,255 INFO L134 CoverageAnalysis]: Checked inductivity of 537 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 537 trivial. 0 not checked. [2024-11-07 13:12:16,255 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 13:12:16,255 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1462865761] [2024-11-07 13:12:16,256 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1462865761] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 13:12:16,256 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 13:12:16,256 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-07 13:12:16,256 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1741640227] [2024-11-07 13:12:16,256 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 13:12:16,257 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 13:12:16,257 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 13:12:16,258 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 13:12:16,258 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-07 13:12:16,258 INFO L87 Difference]: Start difference. First operand 644 states and 885 transitions. Second operand has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 3 states have internal predecessors, (43), 2 states have call successors, (18), 5 states have call predecessors, (18), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-07 13:12:19,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 13:12:19,104 INFO L93 Difference]: Finished difference Result 1878 states and 2648 transitions. [2024-11-07 13:12:19,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-07 13:12:19,104 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 3 states have internal predecessors, (43), 2 states have call successors, (18), 5 states have call predecessors, (18), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 184 [2024-11-07 13:12:19,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 13:12:19,115 INFO L225 Difference]: With dead ends: 1878 [2024-11-07 13:12:19,115 INFO L226 Difference]: Without dead ends: 1274 [2024-11-07 13:12:19,118 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2024-11-07 13:12:19,119 INFO L432 NwaCegarLoop]: 581 mSDtfsCounter, 1396 mSDsluCounter, 1413 mSDsCounter, 0 mSdLazyCounter, 1549 mSolverCounterSat, 687 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1544 SdHoareTripleChecker+Valid, 1994 SdHoareTripleChecker+Invalid, 2236 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 687 IncrementalHoareTripleChecker+Valid, 1549 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2024-11-07 13:12:19,119 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1544 Valid, 1994 Invalid, 2236 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [687 Valid, 1549 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2024-11-07 13:12:19,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1274 states. [2024-11-07 13:12:19,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1274 to 1215. [2024-11-07 13:12:19,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1215 states, 860 states have (on average 1.2988372093023255) internal successors, (1117), 869 states have internal predecessors, (1117), 280 states have call successors, (280), 75 states have call predecessors, (280), 74 states have return successors, (278), 276 states have call predecessors, (278), 278 states have call successors, (278) [2024-11-07 13:12:19,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1215 states to 1215 states and 1675 transitions. [2024-11-07 13:12:19,225 INFO L78 Accepts]: Start accepts. Automaton has 1215 states and 1675 transitions. Word has length 184 [2024-11-07 13:12:19,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 13:12:19,228 INFO L471 AbstractCegarLoop]: Abstraction has 1215 states and 1675 transitions. [2024-11-07 13:12:19,228 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 3 states have internal predecessors, (43), 2 states have call successors, (18), 5 states have call predecessors, (18), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-07 13:12:19,228 INFO L276 IsEmpty]: Start isEmpty. Operand 1215 states and 1675 transitions. [2024-11-07 13:12:19,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2024-11-07 13:12:19,236 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 13:12:19,236 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2024-11-07 13:12:19,236 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-07 13:12:19,236 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 13:12:19,237 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 13:12:19,237 INFO L85 PathProgramCache]: Analyzing trace with hash 955518418, now seen corresponding path program 1 times [2024-11-07 13:12:19,238 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 13:12:19,238 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [481629748] [2024-11-07 13:12:19,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 13:12:19,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 13:12:19,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:19,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 13:12:19,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:19,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:12:19,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:19,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-07 13:12:19,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:19,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-07 13:12:19,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:19,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:12:19,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:19,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-07 13:12:19,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:19,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-07 13:12:19,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:19,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:12:19,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:19,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-07 13:12:19,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:19,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-07 13:12:19,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:19,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:12:19,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:19,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-07 13:12:19,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:19,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:12:19,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:19,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-07 13:12:19,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:19,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:12:19,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:19,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-07 13:12:19,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:19,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:12:19,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:19,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-07 13:12:19,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:19,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:12:19,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:19,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-07 13:12:19,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:19,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:12:19,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:19,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-07 13:12:19,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:19,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:12:19,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:19,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-07 13:12:19,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:19,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:12:19,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:19,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-07 13:12:19,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:19,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:12:19,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:19,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-07 13:12:19,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:19,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:12:19,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:19,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-07 13:12:19,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:19,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:12:19,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:19,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-11-07 13:12:19,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:19,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-11-07 13:12:19,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:19,840 INFO L134 CoverageAnalysis]: Checked inductivity of 540 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 540 trivial. 0 not checked. [2024-11-07 13:12:19,840 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 13:12:19,840 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [481629748] [2024-11-07 13:12:19,840 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [481629748] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 13:12:19,840 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 13:12:19,841 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-07 13:12:19,841 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2101223164] [2024-11-07 13:12:19,841 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 13:12:19,841 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-07 13:12:19,841 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 13:12:19,842 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-07 13:12:19,842 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-07 13:12:19,842 INFO L87 Difference]: Start difference. First operand 1215 states and 1675 transitions. Second operand has 7 states, 7 states have (on average 7.142857142857143) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (20), 5 states have call predecessors, (20), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-07 13:12:22,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 13:12:22,078 INFO L93 Difference]: Finished difference Result 2445 states and 3431 transitions. [2024-11-07 13:12:22,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-07 13:12:22,078 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.142857142857143) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (20), 5 states have call predecessors, (20), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 197 [2024-11-07 13:12:22,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 13:12:22,088 INFO L225 Difference]: With dead ends: 2445 [2024-11-07 13:12:22,089 INFO L226 Difference]: Without dead ends: 1270 [2024-11-07 13:12:22,094 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2024-11-07 13:12:22,095 INFO L432 NwaCegarLoop]: 580 mSDtfsCounter, 1091 mSDsluCounter, 1418 mSDsCounter, 0 mSdLazyCounter, 1553 mSolverCounterSat, 438 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1231 SdHoareTripleChecker+Valid, 1998 SdHoareTripleChecker+Invalid, 1991 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 438 IncrementalHoareTripleChecker+Valid, 1553 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-11-07 13:12:22,095 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1231 Valid, 1998 Invalid, 1991 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [438 Valid, 1553 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-11-07 13:12:22,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1270 states. [2024-11-07 13:12:22,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1270 to 1214. [2024-11-07 13:12:22,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1214 states, 859 states have (on average 1.2956926658905705) internal successors, (1113), 868 states have internal predecessors, (1113), 280 states have call successors, (280), 75 states have call predecessors, (280), 74 states have return successors, (278), 276 states have call predecessors, (278), 278 states have call successors, (278) [2024-11-07 13:12:22,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1214 states to 1214 states and 1671 transitions. [2024-11-07 13:12:22,187 INFO L78 Accepts]: Start accepts. Automaton has 1214 states and 1671 transitions. Word has length 197 [2024-11-07 13:12:22,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 13:12:22,188 INFO L471 AbstractCegarLoop]: Abstraction has 1214 states and 1671 transitions. [2024-11-07 13:12:22,188 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.142857142857143) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (20), 5 states have call predecessors, (20), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-07 13:12:22,188 INFO L276 IsEmpty]: Start isEmpty. Operand 1214 states and 1671 transitions. [2024-11-07 13:12:22,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2024-11-07 13:12:22,194 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 13:12:22,194 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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] [2024-11-07 13:12:22,194 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-07 13:12:22,194 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 13:12:22,195 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 13:12:22,195 INFO L85 PathProgramCache]: Analyzing trace with hash 78625675, now seen corresponding path program 1 times [2024-11-07 13:12:22,195 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 13:12:22,195 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1035802174] [2024-11-07 13:12:22,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 13:12:22,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 13:12:22,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:22,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 13:12:22,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:22,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:12:22,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:22,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-07 13:12:22,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:22,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-07 13:12:22,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:22,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:12:22,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:22,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-07 13:12:22,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:22,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-07 13:12:22,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:22,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:12:22,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:22,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-07 13:12:22,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:22,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-07 13:12:22,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:22,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:12:22,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:22,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-07 13:12:22,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:22,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:12:22,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:22,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-07 13:12:22,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:22,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:12:22,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:22,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-07 13:12:22,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:22,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:12:22,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:22,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-07 13:12:22,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:22,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:12:22,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:22,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-07 13:12:22,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:22,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:12:22,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:22,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-07 13:12:22,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:22,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:12:22,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:22,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-07 13:12:22,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:22,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:12:22,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:22,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-07 13:12:22,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:22,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:12:22,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:22,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-07 13:12:22,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:22,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:12:22,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:22,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-07 13:12:22,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:22,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:12:22,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:22,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-11-07 13:12:22,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:22,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-11-07 13:12:22,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:22,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-07 13:12:22,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:22,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:12:22,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:22,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-07 13:12:22,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:22,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-07 13:12:22,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:22,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:12:22,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:22,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-07 13:12:22,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:22,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-11-07 13:12:22,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:22,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:12:22,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:22,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-07 13:12:22,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:22,900 INFO L134 CoverageAnalysis]: Checked inductivity of 713 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 713 trivial. 0 not checked. [2024-11-07 13:12:22,900 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 13:12:22,900 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1035802174] [2024-11-07 13:12:22,901 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1035802174] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 13:12:22,901 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 13:12:22,901 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-07 13:12:22,901 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1371267441] [2024-11-07 13:12:22,901 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 13:12:22,902 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 13:12:22,902 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 13:12:22,902 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 13:12:22,902 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-07 13:12:22,903 INFO L87 Difference]: Start difference. First operand 1214 states and 1671 transitions. Second operand has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 3 states have internal predecessors, (59), 3 states have call successors, (23), 5 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-07 13:12:25,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 13:12:25,476 INFO L93 Difference]: Finished difference Result 3665 states and 5161 transitions. [2024-11-07 13:12:25,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-07 13:12:25,477 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 3 states have internal predecessors, (59), 3 states have call successors, (23), 5 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 255 [2024-11-07 13:12:25,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 13:12:25,495 INFO L225 Difference]: With dead ends: 3665 [2024-11-07 13:12:25,496 INFO L226 Difference]: Without dead ends: 2487 [2024-11-07 13:12:25,502 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2024-11-07 13:12:25,504 INFO L432 NwaCegarLoop]: 599 mSDtfsCounter, 1418 mSDsluCounter, 1432 mSDsCounter, 0 mSdLazyCounter, 1533 mSolverCounterSat, 699 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1563 SdHoareTripleChecker+Valid, 2031 SdHoareTripleChecker+Invalid, 2232 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 699 IncrementalHoareTripleChecker+Valid, 1533 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2024-11-07 13:12:25,504 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1563 Valid, 2031 Invalid, 2232 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [699 Valid, 1533 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2024-11-07 13:12:25,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2487 states. [2024-11-07 13:12:25,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2487 to 2377. [2024-11-07 13:12:25,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2377 states, 1687 states have (on average 1.2987551867219918) internal successors, (2191), 1704 states have internal predecessors, (2191), 543 states have call successors, (543), 147 states have call predecessors, (543), 146 states have return successors, (541), 537 states have call predecessors, (541), 541 states have call successors, (541) [2024-11-07 13:12:25,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2377 states to 2377 states and 3275 transitions. [2024-11-07 13:12:25,657 INFO L78 Accepts]: Start accepts. Automaton has 2377 states and 3275 transitions. Word has length 255 [2024-11-07 13:12:25,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 13:12:25,658 INFO L471 AbstractCegarLoop]: Abstraction has 2377 states and 3275 transitions. [2024-11-07 13:12:25,658 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 3 states have internal predecessors, (59), 3 states have call successors, (23), 5 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-07 13:12:25,658 INFO L276 IsEmpty]: Start isEmpty. Operand 2377 states and 3275 transitions. [2024-11-07 13:12:25,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2024-11-07 13:12:25,666 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 13:12:25,667 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 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] [2024-11-07 13:12:25,667 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-07 13:12:25,667 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 13:12:25,668 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 13:12:25,668 INFO L85 PathProgramCache]: Analyzing trace with hash 2077172374, now seen corresponding path program 1 times [2024-11-07 13:12:25,668 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 13:12:25,668 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1517295898] [2024-11-07 13:12:25,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 13:12:25,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 13:12:25,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:25,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 13:12:25,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:25,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:12:25,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:25,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-07 13:12:25,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:25,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-07 13:12:25,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:25,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:12:25,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:25,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-07 13:12:25,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:25,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-07 13:12:25,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:25,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:12:26,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:26,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-07 13:12:26,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:26,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-07 13:12:26,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:26,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:12:26,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:26,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-07 13:12:26,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:26,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:12:26,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:26,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-07 13:12:26,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:26,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:12:26,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:26,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-07 13:12:26,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:26,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:12:26,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:26,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-07 13:12:26,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:26,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:12:26,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:26,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-07 13:12:26,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:26,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:12:26,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:26,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-07 13:12:26,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:26,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:12:26,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:26,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-07 13:12:26,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:26,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:12:26,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:26,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-07 13:12:26,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:26,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:12:26,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:26,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-07 13:12:26,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:26,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:12:26,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:26,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-07 13:12:26,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:26,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:12:26,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:26,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-11-07 13:12:26,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:26,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-11-07 13:12:26,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:26,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-07 13:12:26,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:26,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:12:26,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:26,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-07 13:12:26,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:26,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-07 13:12:26,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:26,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:12:26,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:26,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-07 13:12:26,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:26,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-11-07 13:12:26,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:26,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:12:26,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:26,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-07 13:12:26,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:26,244 INFO L134 CoverageAnalysis]: Checked inductivity of 717 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 710 trivial. 0 not checked. [2024-11-07 13:12:26,245 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 13:12:26,245 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1517295898] [2024-11-07 13:12:26,245 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1517295898] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 13:12:26,245 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 13:12:26,246 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-07 13:12:26,246 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2061727332] [2024-11-07 13:12:26,246 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 13:12:26,246 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 13:12:26,246 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 13:12:26,247 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 13:12:26,247 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-07 13:12:26,247 INFO L87 Difference]: Start difference. First operand 2377 states and 3275 transitions. Second operand has 6 states, 6 states have (on average 14.0) internal successors, (84), 3 states have internal predecessors, (84), 2 states have call successors, (23), 5 states have call predecessors, (23), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-07 13:12:28,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 13:12:28,027 INFO L93 Difference]: Finished difference Result 4824 states and 6761 transitions. [2024-11-07 13:12:28,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-07 13:12:28,028 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 14.0) internal successors, (84), 3 states have internal predecessors, (84), 2 states have call successors, (23), 5 states have call predecessors, (23), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 277 [2024-11-07 13:12:28,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 13:12:28,048 INFO L225 Difference]: With dead ends: 4824 [2024-11-07 13:12:28,048 INFO L226 Difference]: Without dead ends: 2487 [2024-11-07 13:12:28,059 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-11-07 13:12:28,061 INFO L432 NwaCegarLoop]: 577 mSDtfsCounter, 522 mSDsluCounter, 1125 mSDsCounter, 0 mSdLazyCounter, 1196 mSolverCounterSat, 436 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 552 SdHoareTripleChecker+Valid, 1702 SdHoareTripleChecker+Invalid, 1632 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 436 IncrementalHoareTripleChecker+Valid, 1196 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-07 13:12:28,061 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [552 Valid, 1702 Invalid, 1632 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [436 Valid, 1196 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-07 13:12:28,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2487 states. [2024-11-07 13:12:28,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2487 to 2381. [2024-11-07 13:12:28,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2381 states, 1691 states have (on average 1.2980484920165583) internal successors, (2195), 1708 states have internal predecessors, (2195), 543 states have call successors, (543), 147 states have call predecessors, (543), 146 states have return successors, (541), 537 states have call predecessors, (541), 541 states have call successors, (541) [2024-11-07 13:12:28,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2381 states to 2381 states and 3279 transitions. [2024-11-07 13:12:28,226 INFO L78 Accepts]: Start accepts. Automaton has 2381 states and 3279 transitions. Word has length 277 [2024-11-07 13:12:28,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 13:12:28,229 INFO L471 AbstractCegarLoop]: Abstraction has 2381 states and 3279 transitions. [2024-11-07 13:12:28,229 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.0) internal successors, (84), 3 states have internal predecessors, (84), 2 states have call successors, (23), 5 states have call predecessors, (23), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-07 13:12:28,230 INFO L276 IsEmpty]: Start isEmpty. Operand 2381 states and 3279 transitions. [2024-11-07 13:12:28,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2024-11-07 13:12:28,238 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 13:12:28,239 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 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] [2024-11-07 13:12:28,239 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-07 13:12:28,239 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 13:12:28,240 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 13:12:28,240 INFO L85 PathProgramCache]: Analyzing trace with hash 797308696, now seen corresponding path program 1 times [2024-11-07 13:12:28,240 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 13:12:28,240 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [978217766] [2024-11-07 13:12:28,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 13:12:28,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 13:12:28,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:29,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 13:12:29,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:29,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:12:29,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:29,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-07 13:12:29,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:29,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-07 13:12:29,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:29,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:12:29,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:29,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-07 13:12:29,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:29,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-07 13:12:29,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:29,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:12:29,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:29,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-07 13:12:29,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:29,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-07 13:12:29,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:29,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:12:29,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:29,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-07 13:12:29,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:29,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:12:29,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:29,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-07 13:12:29,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:29,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:12:29,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:29,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-07 13:12:29,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:29,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:12:29,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:29,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-07 13:12:29,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:29,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:12:29,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:29,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-07 13:12:29,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:29,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:12:29,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:29,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-07 13:12:29,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:29,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:12:29,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:29,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-07 13:12:29,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:29,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:12:29,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:29,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-07 13:12:29,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:29,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:12:29,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:29,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-07 13:12:29,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:29,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:12:29,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:29,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-07 13:12:29,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:29,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:12:29,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:29,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-11-07 13:12:29,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:29,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-11-07 13:12:29,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:29,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-07 13:12:29,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:29,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:12:29,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:29,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-07 13:12:29,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:29,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-07 13:12:29,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:29,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:12:29,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:29,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-07 13:12:29,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:29,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-11-07 13:12:29,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:29,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:12:29,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:29,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-07 13:12:29,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:29,687 INFO L134 CoverageAnalysis]: Checked inductivity of 717 backedges. 7 proven. 2 refuted. 0 times theorem prover too weak. 708 trivial. 0 not checked. [2024-11-07 13:12:29,687 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 13:12:29,687 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [978217766] [2024-11-07 13:12:29,687 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [978217766] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 13:12:29,687 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [423128506] [2024-11-07 13:12:29,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 13:12:29,688 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 13:12:29,688 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 13:12:29,691 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 13:12:29,721 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-07 13:12:30,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:30,506 INFO L255 TraceCheckSpWp]: Trace formula consists of 1979 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-07 13:12:30,522 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 13:12:30,661 INFO L134 CoverageAnalysis]: Checked inductivity of 717 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 710 trivial. 0 not checked. [2024-11-07 13:12:30,661 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 13:12:30,661 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [423128506] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 13:12:30,661 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-07 13:12:30,661 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [9] total 13 [2024-11-07 13:12:30,662 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1700514445] [2024-11-07 13:12:30,662 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 13:12:30,663 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 13:12:30,663 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 13:12:30,664 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 13:12:30,664 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-11-07 13:12:30,664 INFO L87 Difference]: Start difference. First operand 2381 states and 3279 transitions. Second operand has 6 states, 6 states have (on average 14.0) internal successors, (84), 6 states have internal predecessors, (84), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-07 13:12:30,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 13:12:30,822 INFO L93 Difference]: Finished difference Result 3563 states and 4906 transitions. [2024-11-07 13:12:30,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 13:12:30,822 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 14.0) internal successors, (84), 6 states have internal predecessors, (84), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 277 [2024-11-07 13:12:30,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 13:12:30,841 INFO L225 Difference]: With dead ends: 3563 [2024-11-07 13:12:30,841 INFO L226 Difference]: Without dead ends: 2387 [2024-11-07 13:12:30,848 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 367 GetRequests, 356 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-11-07 13:12:30,850 INFO L432 NwaCegarLoop]: 881 mSDtfsCounter, 0 mSDsluCounter, 3505 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 4386 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 13:12:30,850 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 4386 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 13:12:30,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2387 states. [2024-11-07 13:12:30,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2387 to 2387. [2024-11-07 13:12:30,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2387 states, 1697 states have (on average 1.2969946965232764) internal successors, (2201), 1714 states have internal predecessors, (2201), 543 states have call successors, (543), 147 states have call predecessors, (543), 146 states have return successors, (541), 537 states have call predecessors, (541), 541 states have call successors, (541) [2024-11-07 13:12:30,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2387 states to 2387 states and 3285 transitions. [2024-11-07 13:12:30,985 INFO L78 Accepts]: Start accepts. Automaton has 2387 states and 3285 transitions. Word has length 277 [2024-11-07 13:12:30,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 13:12:30,985 INFO L471 AbstractCegarLoop]: Abstraction has 2387 states and 3285 transitions. [2024-11-07 13:12:30,986 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.0) internal successors, (84), 6 states have internal predecessors, (84), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-07 13:12:30,986 INFO L276 IsEmpty]: Start isEmpty. Operand 2387 states and 3285 transitions. [2024-11-07 13:12:31,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2024-11-07 13:12:31,020 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 13:12:31,020 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 13:12:31,045 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-07 13:12:31,220 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 13:12:31,221 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 13:12:31,221 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 13:12:31,221 INFO L85 PathProgramCache]: Analyzing trace with hash 454490613, now seen corresponding path program 1 times [2024-11-07 13:12:31,221 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 13:12:31,221 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1386129696] [2024-11-07 13:12:31,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 13:12:31,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 13:12:31,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:31,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 13:12:31,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:31,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:12:31,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:31,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-07 13:12:31,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:31,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-07 13:12:31,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:31,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:12:31,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:31,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-07 13:12:31,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:31,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-07 13:12:31,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:31,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:12:31,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:31,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-07 13:12:31,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:31,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-07 13:12:31,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:31,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:12:31,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:31,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-07 13:12:31,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:31,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:12:31,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:31,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-07 13:12:31,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:31,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:12:31,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:31,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-07 13:12:31,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:31,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:12:31,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:31,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-07 13:12:31,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:31,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:12:31,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:31,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-07 13:12:31,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:31,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:12:31,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:31,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-07 13:12:31,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:31,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:12:31,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:31,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-07 13:12:31,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:31,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:12:31,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:31,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-07 13:12:31,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:31,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:12:31,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:31,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-07 13:12:31,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:31,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:12:31,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:31,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-07 13:12:31,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:31,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:12:31,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:31,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-11-07 13:12:31,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:31,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-07 13:12:31,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:31,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-11-07 13:12:31,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:31,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-11-07 13:12:31,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:31,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-11-07 13:12:31,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:31,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-11-07 13:12:31,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:31,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-07 13:12:31,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:31,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-07 13:12:31,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:31,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2024-11-07 13:12:31,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:31,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-11-07 13:12:31,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:31,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-11-07 13:12:31,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:31,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2024-11-07 13:12:31,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:31,876 INFO L134 CoverageAnalysis]: Checked inductivity of 597 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 597 trivial. 0 not checked. [2024-11-07 13:12:31,876 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 13:12:31,876 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1386129696] [2024-11-07 13:12:31,876 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1386129696] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 13:12:31,876 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 13:12:31,876 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-07 13:12:31,877 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [982251370] [2024-11-07 13:12:31,877 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 13:12:31,877 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-07 13:12:31,877 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 13:12:31,878 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-07 13:12:31,878 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2024-11-07 13:12:31,878 INFO L87 Difference]: Start difference. First operand 2387 states and 3285 transitions. Second operand has 10 states, 10 states have (on average 9.7) internal successors, (97), 3 states have internal predecessors, (97), 2 states have call successors, (31), 9 states have call predecessors, (31), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2024-11-07 13:12:35,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 13:12:35,558 INFO L93 Difference]: Finished difference Result 3981 states and 5505 transitions. [2024-11-07 13:12:35,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-07 13:12:35,558 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 9.7) internal successors, (97), 3 states have internal predecessors, (97), 2 states have call successors, (31), 9 states have call predecessors, (31), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 278 [2024-11-07 13:12:35,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 13:12:35,571 INFO L225 Difference]: With dead ends: 3981 [2024-11-07 13:12:35,572 INFO L226 Difference]: Without dead ends: 1634 [2024-11-07 13:12:35,580 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=116, Invalid=264, Unknown=0, NotChecked=0, Total=380 [2024-11-07 13:12:35,581 INFO L432 NwaCegarLoop]: 587 mSDtfsCounter, 1058 mSDsluCounter, 2408 mSDsCounter, 0 mSdLazyCounter, 2370 mSolverCounterSat, 803 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1088 SdHoareTripleChecker+Valid, 2995 SdHoareTripleChecker+Invalid, 3173 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 803 IncrementalHoareTripleChecker+Valid, 2370 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2024-11-07 13:12:35,581 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1088 Valid, 2995 Invalid, 3173 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [803 Valid, 2370 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2024-11-07 13:12:35,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1634 states. [2024-11-07 13:12:35,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1634 to 1490. [2024-11-07 13:12:35,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1490 states, 1064 states have (on average 1.2866541353383458) internal successors, (1369), 1075 states have internal predecessors, (1369), 321 states have call successors, (321), 105 states have call predecessors, (321), 104 states have return successors, (319), 315 states have call predecessors, (319), 319 states have call successors, (319) [2024-11-07 13:12:35,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1490 states to 1490 states and 2009 transitions. [2024-11-07 13:12:35,660 INFO L78 Accepts]: Start accepts. Automaton has 1490 states and 2009 transitions. Word has length 278 [2024-11-07 13:12:35,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 13:12:35,661 INFO L471 AbstractCegarLoop]: Abstraction has 1490 states and 2009 transitions. [2024-11-07 13:12:35,661 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 9.7) internal successors, (97), 3 states have internal predecessors, (97), 2 states have call successors, (31), 9 states have call predecessors, (31), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2024-11-07 13:12:35,661 INFO L276 IsEmpty]: Start isEmpty. Operand 1490 states and 2009 transitions. [2024-11-07 13:12:35,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2024-11-07 13:12:35,666 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 13:12:35,667 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 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] [2024-11-07 13:12:35,667 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-07 13:12:35,667 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 13:12:35,668 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 13:12:35,668 INFO L85 PathProgramCache]: Analyzing trace with hash -877933183, now seen corresponding path program 1 times [2024-11-07 13:12:35,668 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 13:12:35,668 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [357941759] [2024-11-07 13:12:35,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 13:12:35,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 13:12:35,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:36,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 13:12:36,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:36,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:12:36,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:36,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-07 13:12:36,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:36,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-07 13:12:36,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:36,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:12:36,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:36,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-07 13:12:36,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:36,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-07 13:12:36,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:36,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:12:36,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:36,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-07 13:12:36,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:36,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-07 13:12:36,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:36,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:12:36,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:36,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-07 13:12:36,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:36,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:12:36,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:36,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-07 13:12:36,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:36,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:12:36,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:36,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-07 13:12:36,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:36,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:12:36,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:36,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-07 13:12:36,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:36,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:12:36,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:36,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-07 13:12:36,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:36,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:12:36,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:36,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-07 13:12:36,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:36,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:12:36,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:36,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-07 13:12:36,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:36,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:12:36,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:36,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-07 13:12:36,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:36,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:12:36,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:36,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-07 13:12:36,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:36,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:12:36,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:36,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-07 13:12:36,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:36,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:12:36,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:36,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-11-07 13:12:36,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:36,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-11-07 13:12:36,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:36,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-07 13:12:36,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:36,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:12:36,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:36,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-07 13:12:36,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:36,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-07 13:12:36,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:36,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:12:36,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:36,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-07 13:12:36,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:36,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-11-07 13:12:36,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:36,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:12:36,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:36,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-07 13:12:36,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:36,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2024-11-07 13:12:36,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:36,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-07 13:12:36,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:36,445 INFO L134 CoverageAnalysis]: Checked inductivity of 717 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 710 trivial. 0 not checked. [2024-11-07 13:12:36,445 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 13:12:36,445 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [357941759] [2024-11-07 13:12:36,446 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [357941759] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 13:12:36,446 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 13:12:36,446 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-07 13:12:36,446 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [237902604] [2024-11-07 13:12:36,446 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 13:12:36,446 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-07 13:12:36,447 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 13:12:36,447 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-07 13:12:36,447 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-07 13:12:36,447 INFO L87 Difference]: Start difference. First operand 1490 states and 2009 transitions. Second operand has 8 states, 8 states have (on average 12.0) internal successors, (96), 4 states have internal predecessors, (96), 3 states have call successors, (25), 6 states have call predecessors, (25), 2 states have return successors, (24), 3 states have call predecessors, (24), 2 states have call successors, (24) [2024-11-07 13:12:38,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 13:12:38,698 INFO L93 Difference]: Finished difference Result 3013 states and 4169 transitions. [2024-11-07 13:12:38,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-07 13:12:38,699 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 12.0) internal successors, (96), 4 states have internal predecessors, (96), 3 states have call successors, (25), 6 states have call predecessors, (25), 2 states have return successors, (24), 3 states have call predecessors, (24), 2 states have call successors, (24) Word has length 293 [2024-11-07 13:12:38,700 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 13:12:38,713 INFO L225 Difference]: With dead ends: 3013 [2024-11-07 13:12:38,714 INFO L226 Difference]: Without dead ends: 1603 [2024-11-07 13:12:38,722 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=58, Invalid=124, Unknown=0, NotChecked=0, Total=182 [2024-11-07 13:12:38,723 INFO L432 NwaCegarLoop]: 578 mSDtfsCounter, 588 mSDsluCounter, 1926 mSDsCounter, 0 mSdLazyCounter, 1991 mSolverCounterSat, 472 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 616 SdHoareTripleChecker+Valid, 2504 SdHoareTripleChecker+Invalid, 2463 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 472 IncrementalHoareTripleChecker+Valid, 1991 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-11-07 13:12:38,723 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [616 Valid, 2504 Invalid, 2463 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [472 Valid, 1991 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-11-07 13:12:38,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1603 states. [2024-11-07 13:12:38,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1603 to 1490. [2024-11-07 13:12:38,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1490 states, 1064 states have (on average 1.2847744360902256) internal successors, (1367), 1075 states have internal predecessors, (1367), 321 states have call successors, (321), 105 states have call predecessors, (321), 104 states have return successors, (319), 315 states have call predecessors, (319), 319 states have call successors, (319) [2024-11-07 13:12:38,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1490 states to 1490 states and 2007 transitions. [2024-11-07 13:12:38,832 INFO L78 Accepts]: Start accepts. Automaton has 1490 states and 2007 transitions. Word has length 293 [2024-11-07 13:12:38,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 13:12:38,833 INFO L471 AbstractCegarLoop]: Abstraction has 1490 states and 2007 transitions. [2024-11-07 13:12:38,833 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.0) internal successors, (96), 4 states have internal predecessors, (96), 3 states have call successors, (25), 6 states have call predecessors, (25), 2 states have return successors, (24), 3 states have call predecessors, (24), 2 states have call successors, (24) [2024-11-07 13:12:38,833 INFO L276 IsEmpty]: Start isEmpty. Operand 1490 states and 2007 transitions. [2024-11-07 13:12:38,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 296 [2024-11-07 13:12:38,838 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 13:12:38,838 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 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] [2024-11-07 13:12:38,838 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-07 13:12:38,838 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 13:12:38,839 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 13:12:38,839 INFO L85 PathProgramCache]: Analyzing trace with hash 1464741892, now seen corresponding path program 1 times [2024-11-07 13:12:38,839 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 13:12:38,839 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [309680226] [2024-11-07 13:12:38,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 13:12:38,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 13:12:39,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:39,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 13:12:39,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:39,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:12:39,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:39,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-07 13:12:39,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:39,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-07 13:12:39,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:39,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:12:39,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:39,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-07 13:12:39,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:39,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-07 13:12:39,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:39,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:12:39,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:39,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-07 13:12:39,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:39,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-07 13:12:39,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:39,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:12:39,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:39,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-07 13:12:39,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:39,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:12:39,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:39,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-07 13:12:39,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:39,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:12:39,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:39,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-07 13:12:39,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:39,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:12:39,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:39,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-07 13:12:39,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:39,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:12:39,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:39,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-07 13:12:39,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:39,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:12:39,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:39,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-07 13:12:39,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:39,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:12:39,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:39,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-07 13:12:39,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:39,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:12:39,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:39,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-07 13:12:39,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:39,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:12:39,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:39,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-07 13:12:39,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:39,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:12:39,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:39,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-07 13:12:39,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:39,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:12:39,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:39,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-11-07 13:12:39,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:39,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-11-07 13:12:39,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:39,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-07 13:12:39,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:39,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:12:39,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:39,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-07 13:12:39,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:39,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-07 13:12:39,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:39,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:12:39,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:39,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-07 13:12:39,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:39,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-11-07 13:12:39,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:39,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:12:39,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:39,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-07 13:12:39,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:39,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2024-11-07 13:12:39,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:39,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 13:12:39,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:39,816 INFO L134 CoverageAnalysis]: Checked inductivity of 717 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 647 trivial. 0 not checked. [2024-11-07 13:12:39,816 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 13:12:39,816 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [309680226] [2024-11-07 13:12:39,816 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [309680226] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 13:12:39,816 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1329794988] [2024-11-07 13:12:39,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 13:12:39,817 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 13:12:39,817 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 13:12:39,819 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 13:12:39,821 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-07 13:12:40,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:40,758 INFO L255 TraceCheckSpWp]: Trace formula consists of 2068 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-07 13:12:40,766 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 13:12:40,829 INFO L134 CoverageAnalysis]: Checked inductivity of 717 backedges. 216 proven. 0 refuted. 0 times theorem prover too weak. 501 trivial. 0 not checked. [2024-11-07 13:12:40,829 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 13:12:40,829 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1329794988] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 13:12:40,829 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-07 13:12:40,829 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [10] total 12 [2024-11-07 13:12:40,830 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2107082079] [2024-11-07 13:12:40,830 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 13:12:40,830 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 13:12:40,830 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 13:12:40,831 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 13:12:40,831 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2024-11-07 13:12:40,831 INFO L87 Difference]: Start difference. First operand 1490 states and 2007 transitions. Second operand has 6 states, 5 states have (on average 21.8) internal successors, (109), 6 states have internal predecessors, (109), 3 states have call successors, (28), 2 states have call predecessors, (28), 4 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2024-11-07 13:12:40,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 13:12:40,991 INFO L93 Difference]: Finished difference Result 2976 states and 4017 transitions. [2024-11-07 13:12:40,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 13:12:40,993 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 21.8) internal successors, (109), 6 states have internal predecessors, (109), 3 states have call successors, (28), 2 states have call predecessors, (28), 4 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) Word has length 295 [2024-11-07 13:12:40,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 13:12:41,003 INFO L225 Difference]: With dead ends: 2976 [2024-11-07 13:12:41,003 INFO L226 Difference]: Without dead ends: 1491 [2024-11-07 13:12:41,009 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 387 GetRequests, 376 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2024-11-07 13:12:41,009 INFO L432 NwaCegarLoop]: 868 mSDtfsCounter, 4 mSDsluCounter, 3444 mSDsCounter, 0 mSdLazyCounter, 93 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 4312 SdHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 93 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 13:12:41,009 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 4312 Invalid, 103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 93 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 13:12:41,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1491 states. [2024-11-07 13:12:41,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1491 to 1491. [2024-11-07 13:12:41,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1491 states, 1065 states have (on average 1.2845070422535212) internal successors, (1368), 1076 states have internal predecessors, (1368), 321 states have call successors, (321), 105 states have call predecessors, (321), 104 states have return successors, (319), 315 states have call predecessors, (319), 319 states have call successors, (319) [2024-11-07 13:12:41,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1491 states to 1491 states and 2008 transitions. [2024-11-07 13:12:41,085 INFO L78 Accepts]: Start accepts. Automaton has 1491 states and 2008 transitions. Word has length 295 [2024-11-07 13:12:41,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 13:12:41,085 INFO L471 AbstractCegarLoop]: Abstraction has 1491 states and 2008 transitions. [2024-11-07 13:12:41,086 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 21.8) internal successors, (109), 6 states have internal predecessors, (109), 3 states have call successors, (28), 2 states have call predecessors, (28), 4 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2024-11-07 13:12:41,086 INFO L276 IsEmpty]: Start isEmpty. Operand 1491 states and 2008 transitions. [2024-11-07 13:12:41,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2024-11-07 13:12:41,089 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 13:12:41,090 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 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] [2024-11-07 13:12:41,115 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-07 13:12:41,290 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 13:12:41,290 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 13:12:41,291 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 13:12:41,291 INFO L85 PathProgramCache]: Analyzing trace with hash -1421296112, now seen corresponding path program 1 times [2024-11-07 13:12:41,291 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 13:12:41,291 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2027235995] [2024-11-07 13:12:41,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 13:12:41,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 13:12:41,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:41,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 13:12:41,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:41,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:12:41,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:41,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-07 13:12:42,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:42,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-07 13:12:42,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:42,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:12:42,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:42,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-07 13:12:42,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:42,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-07 13:12:42,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:42,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:12:42,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:42,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-07 13:12:42,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:42,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-07 13:12:42,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:42,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:12:42,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:42,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-07 13:12:42,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:42,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:12:42,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:42,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-07 13:12:42,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:42,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:12:42,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:42,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 13:12:42,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:42,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:12:42,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:42,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-07 13:12:42,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:42,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:12:42,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:42,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-07 13:12:42,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:42,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:12:42,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:42,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-07 13:12:42,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:42,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:12:42,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:42,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-07 13:12:42,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:42,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:12:42,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:42,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-07 13:12:42,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:42,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:12:42,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:42,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-07 13:12:42,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:42,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:12:42,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:42,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-07 13:12:42,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:42,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:12:42,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:42,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-11-07 13:12:42,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:42,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-11-07 13:12:42,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:42,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-07 13:12:42,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:42,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:12:42,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:42,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-07 13:12:42,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:42,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-11-07 13:12:42,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:42,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:12:42,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:42,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-07 13:12:42,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:42,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2024-11-07 13:12:42,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:42,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:12:42,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:42,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-07 13:12:42,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:42,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2024-11-07 13:12:42,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:42,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 13:12:42,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:42,383 INFO L134 CoverageAnalysis]: Checked inductivity of 893 backedges. 10 proven. 91 refuted. 0 times theorem prover too weak. 792 trivial. 0 not checked. [2024-11-07 13:12:42,383 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 13:12:42,383 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2027235995] [2024-11-07 13:12:42,383 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2027235995] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 13:12:42,383 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1350912654] [2024-11-07 13:12:42,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 13:12:42,383 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 13:12:42,383 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 13:12:42,385 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 13:12:42,387 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-07 13:12:43,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:43,527 INFO L255 TraceCheckSpWp]: Trace formula consists of 2233 conjuncts, 42 conjuncts are in the unsatisfiable core [2024-11-07 13:12:43,536 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 13:12:43,608 INFO L134 CoverageAnalysis]: Checked inductivity of 893 backedges. 351 proven. 1 refuted. 0 times theorem prover too weak. 541 trivial. 0 not checked. [2024-11-07 13:12:43,609 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 13:12:44,061 INFO L134 CoverageAnalysis]: Checked inductivity of 893 backedges. 10 proven. 91 refuted. 0 times theorem prover too weak. 792 trivial. 0 not checked. [2024-11-07 13:12:44,062 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1350912654] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 13:12:44,062 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 13:12:44,062 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 7, 7] total 17 [2024-11-07 13:12:44,062 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [370188623] [2024-11-07 13:12:44,062 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 13:12:44,063 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-07 13:12:44,065 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 13:12:44,065 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-07 13:12:44,066 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=230, Unknown=0, NotChecked=0, Total=272 [2024-11-07 13:12:44,066 INFO L87 Difference]: Start difference. First operand 1491 states and 2008 transitions. Second operand has 17 states, 15 states have (on average 9.933333333333334) internal successors, (149), 13 states have internal predecessors, (149), 4 states have call successors, (68), 6 states have call predecessors, (68), 6 states have return successors, (48), 4 states have call predecessors, (48), 4 states have call successors, (48) [2024-11-07 13:12:48,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 13:12:48,087 INFO L93 Difference]: Finished difference Result 3095 states and 4236 transitions. [2024-11-07 13:12:48,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-07 13:12:48,088 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 15 states have (on average 9.933333333333334) internal successors, (149), 13 states have internal predecessors, (149), 4 states have call successors, (68), 6 states have call predecessors, (68), 6 states have return successors, (48), 4 states have call predecessors, (48), 4 states have call successors, (48) Word has length 306 [2024-11-07 13:12:48,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 13:12:48,100 INFO L225 Difference]: With dead ends: 3095 [2024-11-07 13:12:48,100 INFO L226 Difference]: Without dead ends: 1614 [2024-11-07 13:12:48,106 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 723 GetRequests, 690 SyntacticMatches, 1 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 164 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=226, Invalid=896, Unknown=0, NotChecked=0, Total=1122 [2024-11-07 13:12:48,106 INFO L432 NwaCegarLoop]: 563 mSDtfsCounter, 446 mSDsluCounter, 5444 mSDsCounter, 0 mSdLazyCounter, 5638 mSolverCounterSat, 332 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 473 SdHoareTripleChecker+Valid, 6007 SdHoareTripleChecker+Invalid, 5970 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 332 IncrementalHoareTripleChecker+Valid, 5638 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2024-11-07 13:12:48,107 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [473 Valid, 6007 Invalid, 5970 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [332 Valid, 5638 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2024-11-07 13:12:48,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1614 states. [2024-11-07 13:12:48,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1614 to 1507. [2024-11-07 13:12:48,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1507 states, 1076 states have (on average 1.2825278810408922) internal successors, (1380), 1087 states have internal predecessors, (1380), 323 states have call successors, (323), 108 states have call predecessors, (323), 107 states have return successors, (321), 317 states have call predecessors, (321), 321 states have call successors, (321) [2024-11-07 13:12:48,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1507 states to 1507 states and 2024 transitions. [2024-11-07 13:12:48,196 INFO L78 Accepts]: Start accepts. Automaton has 1507 states and 2024 transitions. Word has length 306 [2024-11-07 13:12:48,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 13:12:48,197 INFO L471 AbstractCegarLoop]: Abstraction has 1507 states and 2024 transitions. [2024-11-07 13:12:48,197 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 15 states have (on average 9.933333333333334) internal successors, (149), 13 states have internal predecessors, (149), 4 states have call successors, (68), 6 states have call predecessors, (68), 6 states have return successors, (48), 4 states have call predecessors, (48), 4 states have call successors, (48) [2024-11-07 13:12:48,197 INFO L276 IsEmpty]: Start isEmpty. Operand 1507 states and 2024 transitions. [2024-11-07 13:12:48,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 317 [2024-11-07 13:12:48,201 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 13:12:48,201 INFO L215 NwaCegarLoop]: trace histogram [21, 11, 11, 11, 11, 11, 11, 11, 11, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 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] [2024-11-07 13:12:48,233 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-07 13:12:48,402 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 13:12:48,402 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 13:12:48,403 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 13:12:48,403 INFO L85 PathProgramCache]: Analyzing trace with hash 1600738294, now seen corresponding path program 2 times [2024-11-07 13:12:48,403 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 13:12:48,403 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2130010480] [2024-11-07 13:12:48,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 13:12:48,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 13:12:48,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:49,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 13:12:49,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:49,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:12:49,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:49,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-07 13:12:49,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:49,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-07 13:12:49,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:49,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:12:49,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:49,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-07 13:12:49,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:49,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-07 13:12:49,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:49,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:12:49,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:49,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-07 13:12:49,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:49,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-07 13:12:49,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:49,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:12:49,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:49,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-07 13:12:49,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:49,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:12:49,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:49,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 13:12:49,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:49,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:12:49,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:49,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 13:12:49,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:49,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:12:49,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:49,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-07 13:12:49,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:49,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:12:49,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:49,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-07 13:12:49,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:49,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:12:49,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:49,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-07 13:12:49,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:49,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:12:49,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:49,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-07 13:12:49,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:49,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:12:49,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:49,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-07 13:12:49,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:49,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:12:49,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:49,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-07 13:12:49,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:49,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:12:49,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:49,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-11-07 13:12:49,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:49,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:12:49,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:49,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-11-07 13:12:49,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:49,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-11-07 13:12:49,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:49,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-07 13:12:49,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:49,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:12:49,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:49,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-07 13:12:49,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:49,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-11-07 13:12:49,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:49,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:12:49,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:49,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-07 13:12:49,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:49,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-11-07 13:12:49,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:49,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:12:49,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:49,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-07 13:12:49,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:49,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2024-11-07 13:12:49,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:49,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 13:12:49,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:49,631 INFO L134 CoverageAnalysis]: Checked inductivity of 1158 backedges. 12 proven. 138 refuted. 0 times theorem prover too weak. 1008 trivial. 0 not checked. [2024-11-07 13:12:49,632 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 13:12:49,632 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2130010480] [2024-11-07 13:12:49,632 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2130010480] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 13:12:49,632 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1942432687] [2024-11-07 13:12:49,632 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-07 13:12:49,632 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 13:12:49,632 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 13:12:49,635 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 13:12:49,636 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-07 13:12:50,766 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-07 13:12:50,767 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-07 13:12:50,779 INFO L255 TraceCheckSpWp]: Trace formula consists of 2383 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-11-07 13:12:50,786 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 13:12:50,946 INFO L134 CoverageAnalysis]: Checked inductivity of 1158 backedges. 671 proven. 81 refuted. 0 times theorem prover too weak. 406 trivial. 0 not checked. [2024-11-07 13:12:50,946 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 13:12:51,415 INFO L134 CoverageAnalysis]: Checked inductivity of 1158 backedges. 87 proven. 63 refuted. 0 times theorem prover too weak. 1008 trivial. 0 not checked. [2024-11-07 13:12:51,415 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1942432687] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 13:12:51,415 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 13:12:51,415 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 10, 8] total 23 [2024-11-07 13:12:51,415 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [429756849] [2024-11-07 13:12:51,415 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 13:12:51,416 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-11-07 13:12:51,416 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 13:12:51,417 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-11-07 13:12:51,417 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=440, Unknown=0, NotChecked=0, Total=506 [2024-11-07 13:12:51,417 INFO L87 Difference]: Start difference. First operand 1507 states and 2024 transitions. Second operand has 23 states, 21 states have (on average 7.857142857142857) internal successors, (165), 19 states have internal predecessors, (165), 4 states have call successors, (63), 6 states have call predecessors, (63), 9 states have return successors, (50), 6 states have call predecessors, (50), 4 states have call successors, (50) [2024-11-07 13:12:56,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 13:12:56,003 INFO L93 Difference]: Finished difference Result 3110 states and 4245 transitions. [2024-11-07 13:12:56,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-07 13:12:56,004 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 21 states have (on average 7.857142857142857) internal successors, (165), 19 states have internal predecessors, (165), 4 states have call successors, (63), 6 states have call predecessors, (63), 9 states have return successors, (50), 6 states have call predecessors, (50), 4 states have call successors, (50) Word has length 316 [2024-11-07 13:12:56,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 13:12:56,015 INFO L225 Difference]: With dead ends: 3110 [2024-11-07 13:12:56,015 INFO L226 Difference]: Without dead ends: 1615 [2024-11-07 13:12:56,021 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 749 GetRequests, 708 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 341 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=291, Invalid=1515, Unknown=0, NotChecked=0, Total=1806 [2024-11-07 13:12:56,021 INFO L432 NwaCegarLoop]: 565 mSDtfsCounter, 457 mSDsluCounter, 6350 mSDsCounter, 0 mSdLazyCounter, 6538 mSolverCounterSat, 356 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 485 SdHoareTripleChecker+Valid, 6915 SdHoareTripleChecker+Invalid, 6894 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 356 IncrementalHoareTripleChecker+Valid, 6538 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2024-11-07 13:12:56,022 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [485 Valid, 6915 Invalid, 6894 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [356 Valid, 6538 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2024-11-07 13:12:56,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1615 states. [2024-11-07 13:12:56,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1615 to 1508. [2024-11-07 13:12:56,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1508 states, 1077 states have (on average 1.2822655524605386) internal successors, (1381), 1088 states have internal predecessors, (1381), 323 states have call successors, (323), 108 states have call predecessors, (323), 107 states have return successors, (321), 317 states have call predecessors, (321), 321 states have call successors, (321) [2024-11-07 13:12:56,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1508 states to 1508 states and 2025 transitions. [2024-11-07 13:12:56,108 INFO L78 Accepts]: Start accepts. Automaton has 1508 states and 2025 transitions. Word has length 316 [2024-11-07 13:12:56,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 13:12:56,108 INFO L471 AbstractCegarLoop]: Abstraction has 1508 states and 2025 transitions. [2024-11-07 13:12:56,109 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 21 states have (on average 7.857142857142857) internal successors, (165), 19 states have internal predecessors, (165), 4 states have call successors, (63), 6 states have call predecessors, (63), 9 states have return successors, (50), 6 states have call predecessors, (50), 4 states have call successors, (50) [2024-11-07 13:12:56,110 INFO L276 IsEmpty]: Start isEmpty. Operand 1508 states and 2025 transitions. [2024-11-07 13:12:56,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 327 [2024-11-07 13:12:56,114 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 13:12:56,114 INFO L215 NwaCegarLoop]: trace histogram [31, 11, 11, 11, 11, 11, 11, 11, 11, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 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] [2024-11-07 13:12:56,143 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-07 13:12:56,314 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-11-07 13:12:56,315 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 13:12:56,315 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 13:12:56,315 INFO L85 PathProgramCache]: Analyzing trace with hash -1903676720, now seen corresponding path program 3 times [2024-11-07 13:12:56,315 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 13:12:56,315 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [515005489] [2024-11-07 13:12:56,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 13:12:56,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 13:12:56,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:57,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 13:12:57,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:57,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:12:57,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:57,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-07 13:12:57,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:57,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-07 13:12:57,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:57,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:12:57,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:57,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-07 13:12:57,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:57,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-07 13:12:57,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:57,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:12:57,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:57,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-07 13:12:57,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:57,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-07 13:12:57,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:57,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:12:57,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:57,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-07 13:12:57,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:57,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:12:57,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:57,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 13:12:57,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:57,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:12:57,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:57,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-07 13:12:57,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:57,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:12:57,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:57,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-07 13:12:57,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:57,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:12:57,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:57,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-07 13:12:57,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:57,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:12:57,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:57,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-07 13:12:57,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:57,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:12:57,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:57,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-07 13:12:57,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:57,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:12:57,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:57,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-07 13:12:57,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:57,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:12:57,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:57,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-07 13:12:57,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:57,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:12:57,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:57,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-11-07 13:12:57,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:57,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:12:57,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:57,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-11-07 13:12:57,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:57,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-11-07 13:12:57,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:57,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-11-07 13:12:57,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:57,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:12:57,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:57,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-07 13:12:57,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:57,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2024-11-07 13:12:57,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:57,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:12:57,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:57,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-07 13:12:57,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:57,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2024-11-07 13:12:57,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:57,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:12:57,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:57,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-07 13:12:57,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:57,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2024-11-07 13:12:57,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:57,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 13:12:57,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:12:57,571 INFO L134 CoverageAnalysis]: Checked inductivity of 1523 backedges. 14 proven. 204 refuted. 0 times theorem prover too weak. 1305 trivial. 0 not checked. [2024-11-07 13:12:57,571 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 13:12:57,571 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [515005489] [2024-11-07 13:12:57,571 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [515005489] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 13:12:57,572 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2045069966] [2024-11-07 13:12:57,572 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-07 13:12:57,572 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 13:12:57,572 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 13:12:57,574 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 13:12:57,575 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-07 13:13:01,111 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2024-11-07 13:13:01,111 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-07 13:13:01,125 INFO L255 TraceCheckSpWp]: Trace formula consists of 1703 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-07 13:13:01,131 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 13:13:01,222 INFO L134 CoverageAnalysis]: Checked inductivity of 1523 backedges. 338 proven. 6 refuted. 0 times theorem prover too weak. 1179 trivial. 0 not checked. [2024-11-07 13:13:01,223 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 13:13:01,636 INFO L134 CoverageAnalysis]: Checked inductivity of 1523 backedges. 212 proven. 6 refuted. 0 times theorem prover too weak. 1305 trivial. 0 not checked. [2024-11-07 13:13:01,636 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2045069966] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 13:13:01,636 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 13:13:01,636 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 9, 9] total 24 [2024-11-07 13:13:01,636 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1944391412] [2024-11-07 13:13:01,636 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 13:13:01,637 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-11-07 13:13:01,637 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 13:13:01,641 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-11-07 13:13:01,641 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=483, Unknown=0, NotChecked=0, Total=552 [2024-11-07 13:13:01,641 INFO L87 Difference]: Start difference. First operand 1508 states and 2025 transitions. Second operand has 24 states, 22 states have (on average 7.2272727272727275) internal successors, (159), 20 states have internal predecessors, (159), 4 states have call successors, (58), 6 states have call predecessors, (58), 7 states have return successors, (47), 5 states have call predecessors, (47), 4 states have call successors, (47) [2024-11-07 13:13:05,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 13:13:05,816 INFO L93 Difference]: Finished difference Result 3112 states and 4247 transitions. [2024-11-07 13:13:05,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-07 13:13:05,817 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 22 states have (on average 7.2272727272727275) internal successors, (159), 20 states have internal predecessors, (159), 4 states have call successors, (58), 6 states have call predecessors, (58), 7 states have return successors, (47), 5 states have call predecessors, (47), 4 states have call successors, (47) Word has length 326 [2024-11-07 13:13:05,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 13:13:05,830 INFO L225 Difference]: With dead ends: 3112 [2024-11-07 13:13:05,830 INFO L226 Difference]: Without dead ends: 1616 [2024-11-07 13:13:05,836 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 767 GetRequests, 726 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 342 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=265, Invalid=1541, Unknown=0, NotChecked=0, Total=1806 [2024-11-07 13:13:05,837 INFO L432 NwaCegarLoop]: 565 mSDtfsCounter, 473 mSDsluCounter, 4991 mSDsCounter, 0 mSdLazyCounter, 4965 mSolverCounterSat, 359 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 502 SdHoareTripleChecker+Valid, 5556 SdHoareTripleChecker+Invalid, 5324 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 359 IncrementalHoareTripleChecker+Valid, 4965 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2024-11-07 13:13:05,837 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [502 Valid, 5556 Invalid, 5324 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [359 Valid, 4965 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2024-11-07 13:13:05,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1616 states. [2024-11-07 13:13:05,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1616 to 1509. [2024-11-07 13:13:05,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1509 states, 1078 states have (on average 1.2820037105751392) internal successors, (1382), 1089 states have internal predecessors, (1382), 323 states have call successors, (323), 108 states have call predecessors, (323), 107 states have return successors, (321), 317 states have call predecessors, (321), 321 states have call successors, (321) [2024-11-07 13:13:05,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1509 states to 1509 states and 2026 transitions. [2024-11-07 13:13:05,929 INFO L78 Accepts]: Start accepts. Automaton has 1509 states and 2026 transitions. Word has length 326 [2024-11-07 13:13:05,929 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 13:13:05,929 INFO L471 AbstractCegarLoop]: Abstraction has 1509 states and 2026 transitions. [2024-11-07 13:13:05,930 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 22 states have (on average 7.2272727272727275) internal successors, (159), 20 states have internal predecessors, (159), 4 states have call successors, (58), 6 states have call predecessors, (58), 7 states have return successors, (47), 5 states have call predecessors, (47), 4 states have call successors, (47) [2024-11-07 13:13:05,930 INFO L276 IsEmpty]: Start isEmpty. Operand 1509 states and 2026 transitions. [2024-11-07 13:13:05,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 337 [2024-11-07 13:13:05,934 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 13:13:05,935 INFO L215 NwaCegarLoop]: trace histogram [41, 11, 11, 11, 11, 11, 11, 11, 11, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 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] [2024-11-07 13:13:05,967 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-07 13:13:06,135 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-11-07 13:13:06,136 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 13:13:06,136 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 13:13:06,137 INFO L85 PathProgramCache]: Analyzing trace with hash -1618536138, now seen corresponding path program 4 times [2024-11-07 13:13:06,137 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 13:13:06,137 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2010372589] [2024-11-07 13:13:06,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 13:13:06,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 13:13:06,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:13:07,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 13:13:07,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:13:07,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:13:07,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:13:07,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-07 13:13:07,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:13:07,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-07 13:13:07,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:13:07,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:13:07,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:13:07,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-07 13:13:07,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:13:07,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-07 13:13:07,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:13:07,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:13:07,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:13:07,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-07 13:13:07,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:13:07,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-07 13:13:07,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:13:07,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:13:07,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:13:07,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-07 13:13:07,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:13:07,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:13:07,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:13:07,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-07 13:13:07,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:13:07,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:13:07,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:13:07,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-07 13:13:07,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:13:07,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:13:07,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:13:07,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-07 13:13:07,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:13:07,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:13:07,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:13:07,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-07 13:13:07,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:13:07,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:13:07,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:13:07,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-07 13:13:07,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:13:07,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:13:07,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:13:07,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-07 13:13:07,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:13:07,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:13:07,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:13:07,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-07 13:13:07,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:13:07,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:13:07,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:13:07,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-07 13:13:07,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:13:07,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:13:07,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:13:07,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-11-07 13:13:07,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:13:07,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:13:07,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:13:07,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-11-07 13:13:07,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:13:07,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-11-07 13:13:07,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:13:07,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-11-07 13:13:07,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:13:07,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:13:07,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:13:07,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-07 13:13:07,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:13:07,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2024-11-07 13:13:07,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:13:07,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:13:07,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:13:07,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-07 13:13:07,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:13:07,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2024-11-07 13:13:07,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:13:07,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:13:07,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:13:07,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-07 13:13:07,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:13:07,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2024-11-07 13:13:07,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:13:07,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 13:13:07,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:13:07,713 INFO L134 CoverageAnalysis]: Checked inductivity of 1988 backedges. 16 proven. 289 refuted. 0 times theorem prover too weak. 1683 trivial. 0 not checked. [2024-11-07 13:13:07,713 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 13:13:07,713 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2010372589] [2024-11-07 13:13:07,713 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2010372589] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 13:13:07,714 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1756244465] [2024-11-07 13:13:07,714 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-07 13:13:07,714 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 13:13:07,714 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 13:13:07,716 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) [2024-11-07 13:13:07,719 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 [2024-11-07 13:13:10,698 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-07 13:13:10,699 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-07 13:13:10,714 INFO L255 TraceCheckSpWp]: Trace formula consists of 2683 conjuncts, 50 conjuncts are in the unsatisfiable core [2024-11-07 13:13:10,721 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 13:13:10,999 INFO L134 CoverageAnalysis]: Checked inductivity of 1988 backedges. 1183 proven. 11 refuted. 0 times theorem prover too weak. 794 trivial. 0 not checked. [2024-11-07 13:13:10,999 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 13:13:11,560 INFO L134 CoverageAnalysis]: Checked inductivity of 1988 backedges. 140 proven. 165 refuted. 0 times theorem prover too weak. 1683 trivial. 0 not checked. [2024-11-07 13:13:11,561 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1756244465] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 13:13:11,561 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 13:13:11,561 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 10, 10] total 24 [2024-11-07 13:13:11,561 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [647912286] [2024-11-07 13:13:11,561 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 13:13:11,562 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-11-07 13:13:11,562 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 13:13:11,563 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-11-07 13:13:11,563 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=488, Unknown=0, NotChecked=0, Total=552 [2024-11-07 13:13:11,563 INFO L87 Difference]: Start difference. First operand 1509 states and 2026 transitions. Second operand has 24 states, 22 states have (on average 7.2727272727272725) internal successors, (160), 20 states have internal predecessors, (160), 4 states have call successors, (64), 6 states have call predecessors, (64), 6 states have return successors, (49), 4 states have call predecessors, (49), 4 states have call successors, (49)