./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--input--gameport--ns558.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-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--input--gameport--ns558.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', 'fcd76f3400222a7434b370a764d7267d42d60812577a6e3d633d4f9c70f9f427'] 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-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--input--gameport--ns558.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 fcd76f3400222a7434b370a764d7267d42d60812577a6e3d633d4f9c70f9f427 --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 13:04:28,907 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 13:04:28,986 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-07 13:04:28,991 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 13:04:28,991 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 13:04:29,014 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 13:04:29,016 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 13:04:29,017 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 13:04:29,017 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 13:04:29,017 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 13:04:29,017 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 13:04:29,018 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 13:04:29,018 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 13:04:29,018 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 13:04:29,018 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 13:04:29,018 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 13:04:29,019 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 13:04:29,019 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 13:04:29,019 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 13:04:29,019 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 13:04:29,019 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 13:04:29,019 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 13:04:29,019 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 13:04:29,019 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 13:04:29,019 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 13:04:29,020 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 13:04:29,020 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 13:04:29,020 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 13:04:29,020 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 13:04:29,020 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 13:04:29,020 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 13:04:29,020 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 13:04:29,020 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 13:04:29,020 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 13:04:29,020 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 13:04:29,021 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 13:04:29,021 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 13:04:29,021 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 13:04:29,021 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 13:04:29,021 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 -> fcd76f3400222a7434b370a764d7267d42d60812577a6e3d633d4f9c70f9f427 [2024-11-07 13:04:29,247 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 13:04:29,253 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 13:04:29,254 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 13:04:29,256 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 13:04:29,256 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 13:04:29,257 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--input--gameport--ns558.ko-entry_point.cil.out.i [2024-11-07 13:04:30,380 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 13:04:30,705 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 13:04:30,706 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--input--gameport--ns558.ko-entry_point.cil.out.i [2024-11-07 13:04:30,724 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/add996f04/587e9f28908141c8bfa9c720105e34d5/FLAG6585ed846 [2024-11-07 13:04:30,737 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/add996f04/587e9f28908141c8bfa9c720105e34d5 [2024-11-07 13:04:30,739 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 13:04:30,740 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 13:04:30,741 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 13:04:30,741 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 13:04:30,744 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 13:04:30,744 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:04:30" (1/1) ... [2024-11-07 13:04:30,745 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74646777 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:04:30, skipping insertion in model container [2024-11-07 13:04:30,745 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:04:30" (1/1) ... [2024-11-07 13:04:30,788 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 13:04:31,030 WARN L1351 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [1334] [2024-11-07 13:04:31,030 WARN L1351 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [1335-1336] [2024-11-07 13:04:31,082 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-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--input--gameport--ns558.ko-entry_point.cil.out.i[42973,42986] [2024-11-07 13:04:31,176 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 13:04:31,205 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 13:04:31,265 WARN L1351 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [1334] [2024-11-07 13:04:31,265 WARN L1351 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [1335-1336] [2024-11-07 13:04:31,271 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outb %b0, %w1": : "a" (value), "Nd" (port)); [1449] [2024-11-07 13:04:31,277 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inb %w1, %b0": "=a" (value): "Nd" (port)); [1457] [2024-11-07 13:04:31,283 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-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--input--gameport--ns558.ko-entry_point.cil.out.i[42973,42986] [2024-11-07 13:04:31,317 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 13:04:31,347 INFO L204 MainTranslator]: Completed translation [2024-11-07 13:04:31,348 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:04:31 WrapperNode [2024-11-07 13:04:31,349 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 13:04:31,349 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 13:04:31,350 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 13:04:31,350 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 13:04:31,355 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:04:31" (1/1) ... [2024-11-07 13:04:31,373 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:04:31" (1/1) ... [2024-11-07 13:04:31,412 INFO L138 Inliner]: procedures = 79, calls = 395, calls flagged for inlining = 27, calls inlined = 25, statements flattened = 1093 [2024-11-07 13:04:31,412 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 13:04:31,413 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 13:04:31,413 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 13:04:31,413 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 13:04:31,423 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:04:31" (1/1) ... [2024-11-07 13:04:31,424 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:04:31" (1/1) ... [2024-11-07 13:04:31,431 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:04:31" (1/1) ... [2024-11-07 13:04:31,476 INFO L175 MemorySlicer]: Split 284 memory accesses to 6 slices as follows [2, 25, 5, 207, 26, 19]. 73 percent of accesses are in the largest equivalence class. The 10 initializations are split as follows [2, 0, 0, 6, 2, 0]. The 254 writes are split as follows [0, 25, 0, 201, 11, 17]. [2024-11-07 13:04:31,477 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:04:31" (1/1) ... [2024-11-07 13:04:31,477 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:04:31" (1/1) ... [2024-11-07 13:04:31,499 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:04:31" (1/1) ... [2024-11-07 13:04:31,503 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:04:31" (1/1) ... [2024-11-07 13:04:31,508 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:04:31" (1/1) ... [2024-11-07 13:04:31,510 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:04:31" (1/1) ... [2024-11-07 13:04:31,520 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 13:04:31,521 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 13:04:31,521 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 13:04:31,521 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 13:04:31,522 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:04:31" (1/1) ... [2024-11-07 13:04:31,526 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 13:04:31,545 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 13:04:31,562 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 13:04:31,569 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 13:04:31,586 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2024-11-07 13:04:31,586 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2024-11-07 13:04:31,586 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 13:04:31,586 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_get_resource [2024-11-07 13:04:31,586 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_get_resource [2024-11-07 13:04:31,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-07 13:04:31,587 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-07 13:04:31,587 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-07 13:04:31,587 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-07 13:04:31,587 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-07 13:04:31,587 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-07 13:04:31,587 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-07 13:04:31,587 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-07 13:04:31,587 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-07 13:04:31,587 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-07 13:04:31,587 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-07 13:04:31,587 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-07 13:04:31,587 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2024-11-07 13:04:31,587 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2024-11-07 13:04:31,587 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_resource_valid [2024-11-07 13:04:31,587 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_resource_valid [2024-11-07 13:04:31,587 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_free_port [2024-11-07 13:04:31,587 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_free_port [2024-11-07 13:04:31,587 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-07 13:04:31,587 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-07 13:04:31,587 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-07 13:04:31,587 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-07 13:04:31,587 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-07 13:04:31,587 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-07 13:04:31,587 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-07 13:04:31,587 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-07 13:04:31,588 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-07 13:04:31,588 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-07 13:04:31,588 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-07 13:04:31,588 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-07 13:04:31,588 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-07 13:04:31,588 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-07 13:04:31,588 INFO L130 BoogieDeclarations]: Found specification of procedure __gameport_register_port [2024-11-07 13:04:31,588 INFO L138 BoogieDeclarations]: Found implementation of procedure __gameport_register_port [2024-11-07 13:04:31,588 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-07 13:04:31,588 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-07 13:04:31,588 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-07 13:04:31,588 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-07 13:04:31,588 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-07 13:04:31,588 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-07 13:04:31,588 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_allocate_port [2024-11-07 13:04:31,588 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_allocate_port [2024-11-07 13:04:31,588 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-07 13:04:31,588 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-07 13:04:31,588 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-07 13:04:31,588 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-07 13:04:31,588 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-07 13:04:31,588 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-07 13:04:31,588 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-07 13:04:31,588 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-07 13:04:31,588 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-07 13:04:31,588 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2024-11-07 13:04:31,588 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2024-11-07 13:04:31,588 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-11-07 13:04:31,588 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-11-07 13:04:31,588 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-07 13:04:31,588 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-07 13:04:31,588 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-07 13:04:31,588 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-07 13:04:31,588 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-07 13:04:31,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-07 13:04:31,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-07 13:04:31,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-07 13:04:31,589 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_set_name [2024-11-07 13:04:31,589 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_set_name [2024-11-07 13:04:31,589 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-07 13:04:31,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-07 13:04:31,589 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2024-11-07 13:04:31,589 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2024-11-07 13:04:31,589 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2024-11-07 13:04:31,589 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2024-11-07 13:04:31,589 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_set_phys [2024-11-07 13:04:31,589 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_set_phys [2024-11-07 13:04:31,589 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2024-11-07 13:04:31,589 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2024-11-07 13:04:31,589 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-07 13:04:31,589 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-07 13:04:31,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-07 13:04:31,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-07 13:04:31,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-07 13:04:31,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-07 13:04:31,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-07 13:04:31,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-07 13:04:31,589 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2024-11-07 13:04:31,589 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2024-11-07 13:04:31,589 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-07 13:04:31,590 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2024-11-07 13:04:31,590 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2024-11-07 13:04:31,590 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 13:04:31,591 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 13:04:31,769 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 13:04:31,771 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 13:04:31,854 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-07 13:04:40,009 INFO L? ?]: Removed 323 outVars from TransFormulas that were not future-live. [2024-11-07 13:04:40,010 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 13:04:40,028 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 13:04:40,028 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-07 13:04:40,028 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:04:40 BoogieIcfgContainer [2024-11-07 13:04:40,028 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 13:04:40,033 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 13:04:40,033 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 13:04:40,040 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 13:04:40,040 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 01:04:30" (1/3) ... [2024-11-07 13:04:40,041 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d83aba1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:04:40, skipping insertion in model container [2024-11-07 13:04:40,041 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:04:31" (2/3) ... [2024-11-07 13:04:40,041 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d83aba1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:04:40, skipping insertion in model container [2024-11-07 13:04:40,041 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:04:40" (3/3) ... [2024-11-07 13:04:40,042 INFO L112 eAbstractionObserver]: Analyzing ICFG 43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--input--gameport--ns558.ko-entry_point.cil.out.i [2024-11-07 13:04:40,054 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 13:04:40,054 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-07 13:04:40,096 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 13:04:40,107 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;@5769e0da, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 13:04:40,107 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-07 13:04:40,111 INFO L276 IsEmpty]: Start isEmpty. Operand has 343 states, 258 states have (on average 1.3682170542635659) internal successors, (353), 263 states have internal predecessors, (353), 63 states have call successors, (63), 21 states have call predecessors, (63), 20 states have return successors, (60), 60 states have call predecessors, (60), 60 states have call successors, (60) [2024-11-07 13:04:40,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-11-07 13:04:40,120 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 13:04:40,121 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 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] [2024-11-07 13:04:40,121 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 13:04:40,124 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 13:04:40,124 INFO L85 PathProgramCache]: Analyzing trace with hash 725682405, now seen corresponding path program 1 times [2024-11-07 13:04:40,130 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 13:04:40,130 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1580030692] [2024-11-07 13:04:40,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 13:04:40,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 13:04:55,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:04:55,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 13:04:55,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:04:55,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-07 13:04:55,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:04:55,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 13:04:55,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:04:55,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:04:55,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:04:55,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-07 13:04:55,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:04:55,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-07 13:04:55,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:04:55,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-07 13:04:55,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:04:55,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-07 13:04:55,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:04:55,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-07 13:04:55,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:04:55,945 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-11-07 13:04:55,946 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 13:04:55,946 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1580030692] [2024-11-07 13:04:55,946 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1580030692] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 13:04:55,946 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 13:04:55,947 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 13:04:55,948 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [87519828] [2024-11-07 13:04:55,948 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 13:04:55,951 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 13:04:55,951 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 13:04:55,964 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 13:04:55,964 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-07 13:04:55,968 INFO L87 Difference]: Start difference. First operand has 343 states, 258 states have (on average 1.3682170542635659) internal successors, (353), 263 states have internal predecessors, (353), 63 states have call successors, (63), 21 states have call predecessors, (63), 20 states have return successors, (60), 60 states have call predecessors, (60), 60 states have call successors, (60) Second operand has 4 states, 4 states have (on average 12.5) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (11), 4 states have call predecessors, (11), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-07 13:05:00,016 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-07 13:05:04,360 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.34s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-07 13:05:07,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 13:05:07,387 INFO L93 Difference]: Finished difference Result 691 states and 982 transitions. [2024-11-07 13:05:07,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 13:05:07,391 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (11), 4 states have call predecessors, (11), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 77 [2024-11-07 13:05:07,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 13:05:07,397 INFO L225 Difference]: With dead ends: 691 [2024-11-07 13:05:07,397 INFO L226 Difference]: Without dead ends: 329 [2024-11-07 13:05:07,399 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-07 13:05:07,401 INFO L432 NwaCegarLoop]: 412 mSDtfsCounter, 59 mSDsluCounter, 588 mSDsCounter, 0 mSdLazyCounter, 193 mSolverCounterSat, 61 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 1000 SdHoareTripleChecker+Invalid, 256 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 193 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.3s IncrementalHoareTripleChecker+Time [2024-11-07 13:05:07,401 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 1000 Invalid, 256 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 193 Invalid, 2 Unknown, 0 Unchecked, 11.3s Time] [2024-11-07 13:05:07,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 329 states. [2024-11-07 13:05:07,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 329 to 319. [2024-11-07 13:05:07,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 319 states, 241 states have (on average 1.3443983402489628) internal successors, (324), 241 states have internal predecessors, (324), 58 states have call successors, (58), 20 states have call predecessors, (58), 19 states have return successors, (57), 57 states have call predecessors, (57), 57 states have call successors, (57) [2024-11-07 13:05:07,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 439 transitions. [2024-11-07 13:05:07,445 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 439 transitions. Word has length 77 [2024-11-07 13:05:07,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 13:05:07,445 INFO L471 AbstractCegarLoop]: Abstraction has 319 states and 439 transitions. [2024-11-07 13:05:07,445 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (11), 4 states have call predecessors, (11), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-07 13:05:07,445 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 439 transitions. [2024-11-07 13:05:07,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-11-07 13:05:07,448 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 13:05:07,448 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 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] [2024-11-07 13:05:07,448 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-07 13:05:07,448 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 13:05:07,449 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 13:05:07,449 INFO L85 PathProgramCache]: Analyzing trace with hash -331284504, now seen corresponding path program 1 times [2024-11-07 13:05:07,449 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 13:05:07,449 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1832504591] [2024-11-07 13:05:07,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 13:05:07,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 13:05:22,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:05:23,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 13:05:23,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:05:23,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-07 13:05:23,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:05:23,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 13:05:23,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:05:23,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:05:23,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:05:23,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-07 13:05:23,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:05:23,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 13:05:23,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:05:23,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-07 13:05:23,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:05:23,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 13:05:23,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:05:23,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-07 13:05:23,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:05:23,446 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-11-07 13:05:23,446 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 13:05:23,446 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1832504591] [2024-11-07 13:05:23,446 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1832504591] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 13:05:23,446 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 13:05:23,446 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 13:05:23,446 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [592892837] [2024-11-07 13:05:23,446 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 13:05:23,447 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 13:05:23,447 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 13:05:23,448 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 13:05:23,448 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-07 13:05:23,448 INFO L87 Difference]: Start difference. First operand 319 states and 439 transitions. Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 3 states have internal predecessors, (52), 2 states have call successors, (11), 4 states have call predecessors, (11), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-07 13:05:27,493 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-07 13:05:31,856 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.36s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-07 13:05:36,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 13:05:36,684 INFO L93 Difference]: Finished difference Result 718 states and 1019 transitions. [2024-11-07 13:05:36,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 13:05:36,685 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 3 states have internal predecessors, (52), 2 states have call successors, (11), 4 states have call predecessors, (11), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 79 [2024-11-07 13:05:36,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 13:05:36,688 INFO L225 Difference]: With dead ends: 718 [2024-11-07 13:05:36,688 INFO L226 Difference]: Without dead ends: 413 [2024-11-07 13:05:36,690 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-07 13:05:36,690 INFO L432 NwaCegarLoop]: 407 mSDtfsCounter, 196 mSDsluCounter, 579 mSDsCounter, 0 mSdLazyCounter, 316 mSolverCounterSat, 161 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 212 SdHoareTripleChecker+Valid, 986 SdHoareTripleChecker+Invalid, 479 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 161 IncrementalHoareTripleChecker+Valid, 316 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.2s IncrementalHoareTripleChecker+Time [2024-11-07 13:05:36,690 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [212 Valid, 986 Invalid, 479 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [161 Valid, 316 Invalid, 2 Unknown, 0 Unchecked, 13.2s Time] [2024-11-07 13:05:36,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 413 states. [2024-11-07 13:05:36,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 413 to 383. [2024-11-07 13:05:36,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 383 states, 295 states have (on average 1.3491525423728814) internal successors, (398), 295 states have internal predecessors, (398), 68 states have call successors, (68), 20 states have call predecessors, (68), 19 states have return successors, (67), 67 states have call predecessors, (67), 67 states have call successors, (67) [2024-11-07 13:05:36,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 383 states and 533 transitions. [2024-11-07 13:05:36,712 INFO L78 Accepts]: Start accepts. Automaton has 383 states and 533 transitions. Word has length 79 [2024-11-07 13:05:36,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 13:05:36,712 INFO L471 AbstractCegarLoop]: Abstraction has 383 states and 533 transitions. [2024-11-07 13:05:36,712 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 3 states have internal predecessors, (52), 2 states have call successors, (11), 4 states have call predecessors, (11), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-07 13:05:36,712 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 533 transitions. [2024-11-07 13:05:36,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-11-07 13:05:36,714 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 13:05:36,714 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2024-11-07 13:05:36,714 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-07 13:05:36,714 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 13:05:36,714 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 13:05:36,715 INFO L85 PathProgramCache]: Analyzing trace with hash -359245899, now seen corresponding path program 1 times [2024-11-07 13:05:36,715 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 13:05:36,715 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [487529595] [2024-11-07 13:05:36,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 13:05:36,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 13:05:51,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:05:52,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 13:05:52,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:05:52,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-07 13:05:52,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:05:52,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-07 13:05:52,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:05:52,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:05:52,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:05:52,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-07 13:05:52,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:05:52,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-07 13:05:52,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:05:52,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:05:52,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:05:52,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-07 13:05:52,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:05:52,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-07 13:05:52,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:05:52,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:05:52,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:05:52,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-07 13:05:52,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:05:52,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 13:05:52,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:05:52,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:05:52,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:05:52,470 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-07 13:05:52,471 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 13:05:52,471 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [487529595] [2024-11-07 13:05:52,471 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [487529595] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 13:05:52,471 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 13:05:52,472 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 13:05:52,472 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1176003856] [2024-11-07 13:05:52,472 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 13:05:52,472 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 13:05:52,472 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 13:05:52,473 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 13:05:52,473 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-07 13:05:52,473 INFO L87 Difference]: Start difference. First operand 383 states and 533 transitions. Second operand has 5 states, 5 states have (on average 8.6) internal successors, (43), 3 states have internal predecessors, (43), 2 states have call successors, (13), 4 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-07 13:05:56,512 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-07 13:06:00,867 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-07 13:06:05,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 13:06:05,088 INFO L93 Difference]: Finished difference Result 1069 states and 1496 transitions. [2024-11-07 13:06:05,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 13:06:05,088 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 3 states have internal predecessors, (43), 2 states have call successors, (13), 4 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 95 [2024-11-07 13:06:05,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 13:06:05,092 INFO L225 Difference]: With dead ends: 1069 [2024-11-07 13:06:05,092 INFO L226 Difference]: Without dead ends: 700 [2024-11-07 13:06:05,093 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-07 13:06:05,093 INFO L432 NwaCegarLoop]: 377 mSDtfsCounter, 508 mSDsluCounter, 579 mSDsCounter, 0 mSdLazyCounter, 245 mSolverCounterSat, 198 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 543 SdHoareTripleChecker+Valid, 956 SdHoareTripleChecker+Invalid, 445 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 198 IncrementalHoareTripleChecker+Valid, 245 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.9s IncrementalHoareTripleChecker+Time [2024-11-07 13:06:05,093 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [543 Valid, 956 Invalid, 445 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [198 Valid, 245 Invalid, 2 Unknown, 0 Unchecked, 11.9s Time] [2024-11-07 13:06:05,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 700 states. [2024-11-07 13:06:05,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 700 to 682. [2024-11-07 13:06:05,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 682 states, 532 states have (on average 1.3571428571428572) internal successors, (722), 532 states have internal predecessors, (722), 114 states have call successors, (114), 36 states have call predecessors, (114), 35 states have return successors, (113), 113 states have call predecessors, (113), 113 states have call successors, (113) [2024-11-07 13:06:05,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 682 states to 682 states and 949 transitions. [2024-11-07 13:06:05,118 INFO L78 Accepts]: Start accepts. Automaton has 682 states and 949 transitions. Word has length 95 [2024-11-07 13:06:05,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 13:06:05,118 INFO L471 AbstractCegarLoop]: Abstraction has 682 states and 949 transitions. [2024-11-07 13:06:05,119 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 3 states have internal predecessors, (43), 2 states have call successors, (13), 4 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-07 13:06:05,119 INFO L276 IsEmpty]: Start isEmpty. Operand 682 states and 949 transitions. [2024-11-07 13:06:05,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-11-07 13:06:05,121 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 13:06:05,121 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 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] [2024-11-07 13:06:05,121 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-07 13:06:05,121 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 13:06:05,122 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 13:06:05,122 INFO L85 PathProgramCache]: Analyzing trace with hash 1891074504, now seen corresponding path program 1 times [2024-11-07 13:06:05,122 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 13:06:05,122 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [137367645] [2024-11-07 13:06:05,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 13:06:05,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms