./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--tty--serial--8250--8250_pci.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92485802-5c70-4bb1-9297-023621bb3335/bin/uautomizer-verify-uTZkv6EMXl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92485802-5c70-4bb1-9297-023621bb3335/bin/uautomizer-verify-uTZkv6EMXl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92485802-5c70-4bb1-9297-023621bb3335/bin/uautomizer-verify-uTZkv6EMXl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92485802-5c70-4bb1-9297-023621bb3335/bin/uautomizer-verify-uTZkv6EMXl/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--tty--serial--8250--8250_pci.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92485802-5c70-4bb1-9297-023621bb3335/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92485802-5c70-4bb1-9297-023621bb3335/bin/uautomizer-verify-uTZkv6EMXl --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 e44a545a91d2eacf9585bff27fb9a46d8099e115cc8604c75bf27cf31152824a --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 02:15:33,838 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 02:15:33,963 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92485802-5c70-4bb1-9297-023621bb3335/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-12 02:15:33,970 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 02:15:33,971 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 02:15:33,994 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 02:15:33,995 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 02:15:33,996 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 02:15:33,997 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 02:15:33,998 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 02:15:33,999 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 02:15:34,000 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 02:15:34,000 INFO L153 SettingsManager]: * Use SBE=true [2023-11-12 02:15:34,001 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 02:15:34,002 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 02:15:34,003 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 02:15:34,003 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 02:15:34,004 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 02:15:34,005 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 02:15:34,005 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 02:15:34,006 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 02:15:34,007 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 02:15:34,008 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 02:15:34,008 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 02:15:34,009 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 02:15:34,010 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:15:34,010 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 02:15:34,011 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 02:15:34,012 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 02:15:34,012 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-12 02:15:34,013 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 02:15:34,013 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-12 02:15:34,014 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 02:15:34,014 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-12 02:15:34,014 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 02:15:34,015 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-12 02:15:34,015 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92485802-5c70-4bb1-9297-023621bb3335/bin/uautomizer-verify-uTZkv6EMXl/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92485802-5c70-4bb1-9297-023621bb3335/bin/uautomizer-verify-uTZkv6EMXl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e44a545a91d2eacf9585bff27fb9a46d8099e115cc8604c75bf27cf31152824a [2023-11-12 02:15:34,260 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 02:15:34,292 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 02:15:34,295 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 02:15:34,297 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 02:15:34,297 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 02:15:34,299 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92485802-5c70-4bb1-9297-023621bb3335/bin/uautomizer-verify-uTZkv6EMXl/../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--tty--serial--8250--8250_pci.ko-entry_point.cil.out.i [2023-11-12 02:15:37,505 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 02:15:38,153 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 02:15:38,155 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92485802-5c70-4bb1-9297-023621bb3335/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--tty--serial--8250--8250_pci.ko-entry_point.cil.out.i [2023-11-12 02:15:38,212 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92485802-5c70-4bb1-9297-023621bb3335/bin/uautomizer-verify-uTZkv6EMXl/data/ce10689e7/541a3a3eaca44bf783a7b2e517859eb7/FLAG2109ee415 [2023-11-12 02:15:38,228 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92485802-5c70-4bb1-9297-023621bb3335/bin/uautomizer-verify-uTZkv6EMXl/data/ce10689e7/541a3a3eaca44bf783a7b2e517859eb7 [2023-11-12 02:15:38,235 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 02:15:38,237 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 02:15:38,239 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 02:15:38,240 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 02:15:38,245 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 02:15:38,246 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:15:38" (1/1) ... [2023-11-12 02:15:38,247 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1be60590 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:15:38, skipping insertion in model container [2023-11-12 02:15:38,247 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:15:38" (1/1) ... [2023-11-12 02:15:38,380 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 02:15:38,942 WARN L1270 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [3943] [2023-11-12 02:15:38,943 WARN L1270 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [3944-3945] [2023-11-12 02:15:39,203 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92485802-5c70-4bb1-9297-023621bb3335/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--tty--serial--8250--8250_pci.ko-entry_point.cil.out.i[121227,121240] [2023-11-12 02:15:40,238 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:15:40,421 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 02:15:40,568 WARN L1270 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [3943] [2023-11-12 02:15:40,568 WARN L1270 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [3944-3945] [2023-11-12 02:15:40,572 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movb %1,%0": "=q" (ret): "m" (*((unsigned char volatile *)addr)): "memory"); [4055] [2023-11-12 02:15:40,574 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movw %1,%0": "=r" (ret): "m" (*((unsigned short volatile *)addr)): "memory"); [4063] [2023-11-12 02:15:40,575 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr)): "memory"); [4071] [2023-11-12 02:15:40,575 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movb %0,%1": : "q" (val), "m" (*((unsigned char volatile *)addr)): "memory"); [4078] [2023-11-12 02:15:40,575 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movw %0,%1": : "r" (val), "m" (*((unsigned short volatile *)addr)): "memory"); [4085] [2023-11-12 02:15:40,576 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr)): "memory"); [4092] [2023-11-12 02:15:40,576 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outb %b0, %w1": : "a" (value), "Nd" (port)); [4105] [2023-11-12 02:15:40,577 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inb %w1, %b0": "=a" (value): "Nd" (port)); [4113] [2023-11-12 02:15:40,577 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outl %0, %w1": : "a" (value), "Nd" (port)); [4120] [2023-11-12 02:15:40,578 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inl %w1, %0": "=a" (value): "Nd" (port)); [4128] [2023-11-12 02:15:40,581 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92485802-5c70-4bb1-9297-023621bb3335/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--tty--serial--8250--8250_pci.ko-entry_point.cil.out.i[121227,121240] [2023-11-12 02:15:40,793 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:15:41,193 INFO L206 MainTranslator]: Completed translation [2023-11-12 02:15:41,194 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:15:41 WrapperNode [2023-11-12 02:15:41,194 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 02:15:41,196 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 02:15:41,196 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 02:15:41,196 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 02:15:41,204 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:15:41" (1/1) ... [2023-11-12 02:15:41,394 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:15:41" (1/1) ... [2023-11-12 02:15:41,786 INFO L138 Inliner]: procedures = 203, calls = 5070, calls flagged for inlining = 107, calls inlined = 103, statements flattened = 7900 [2023-11-12 02:15:41,787 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 02:15:41,788 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 02:15:41,788 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 02:15:41,788 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 02:15:41,799 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:15:41" (1/1) ... [2023-11-12 02:15:41,799 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:15:41" (1/1) ... [2023-11-12 02:15:41,900 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:15:41" (1/1) ... [2023-11-12 02:15:41,901 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:15:41" (1/1) ... [2023-11-12 02:15:42,176 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:15:41" (1/1) ... [2023-11-12 02:15:42,214 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:15:41" (1/1) ... [2023-11-12 02:15:42,252 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:15:41" (1/1) ... [2023-11-12 02:15:42,269 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:15:41" (1/1) ... [2023-11-12 02:15:42,335 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 02:15:42,337 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 02:15:42,337 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 02:15:42,337 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 02:15:42,338 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:15:41" (1/1) ... [2023-11-12 02:15:42,347 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:15:42,360 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92485802-5c70-4bb1-9297-023621bb3335/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:15:42,379 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92485802-5c70-4bb1-9297-023621bb3335/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 02:15:42,408 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92485802-5c70-4bb1-9297-023621bb3335/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 02:15:42,426 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-12 02:15:42,427 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-12 02:15:42,427 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-12 02:15:42,427 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-12 02:15:42,427 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-12 02:15:42,427 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-12 02:15:42,428 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_byte [2023-11-12 02:15:42,428 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_byte [2023-11-12 02:15:42,428 INFO L130 BoogieDeclarations]: Found specification of procedure pciserial_remove_ports [2023-11-12 02:15:42,428 INFO L138 BoogieDeclarations]: Found implementation of procedure pciserial_remove_ports [2023-11-12 02:15:42,428 INFO L130 BoogieDeclarations]: Found specification of procedure pciserial_resume_one [2023-11-12 02:15:42,428 INFO L138 BoogieDeclarations]: Found implementation of procedure pciserial_resume_one [2023-11-12 02:15:42,429 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap_nocache [2023-11-12 02:15:42,429 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap_nocache [2023-11-12 02:15:42,429 INFO L130 BoogieDeclarations]: Found specification of procedure pciserial_remove_one [2023-11-12 02:15:42,430 INFO L138 BoogieDeclarations]: Found implementation of procedure pciserial_remove_one [2023-11-12 02:15:42,430 INFO L130 BoogieDeclarations]: Found specification of procedure skip_tx_en_setup [2023-11-12 02:15:42,430 INFO L138 BoogieDeclarations]: Found implementation of procedure skip_tx_en_setup [2023-11-12 02:15:42,431 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-12 02:15:42,432 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-12 02:15:42,432 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_io_slot_reset [2023-11-12 02:15:42,432 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_io_slot_reset [2023-11-12 02:15:42,432 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_2 [2023-11-12 02:15:42,433 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_2 [2023-11-12 02:15:42,433 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-12 02:15:42,433 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-12 02:15:42,433 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 02:15:42,434 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 02:15:42,434 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_io_resume [2023-11-12 02:15:42,435 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_io_resume [2023-11-12 02:15:42,435 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2023-11-12 02:15:42,435 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2023-11-12 02:15:42,435 INFO L130 BoogieDeclarations]: Found specification of procedure moan_device [2023-11-12 02:15:42,435 INFO L138 BoogieDeclarations]: Found implementation of procedure moan_device [2023-11-12 02:15:42,435 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 02:15:42,436 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-12 02:15:42,436 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2023-11-12 02:15:42,436 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2023-11-12 02:15:42,436 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 02:15:42,436 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2023-11-12 02:15:42,437 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2023-11-12 02:15:42,437 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-12 02:15:42,437 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-12 02:15:42,437 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-12 02:15:42,437 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_byte [2023-11-12 02:15:42,437 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_byte [2023-11-12 02:15:42,438 INFO L130 BoogieDeclarations]: Found specification of procedure setup_port [2023-11-12 02:15:42,438 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_port [2023-11-12 02:15:42,438 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2023-11-12 02:15:42,438 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2023-11-12 02:15:42,438 INFO L130 BoogieDeclarations]: Found specification of procedure pci_quatech_rqopr [2023-11-12 02:15:42,438 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_quatech_rqopr [2023-11-12 02:15:42,438 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2023-11-12 02:15:42,439 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2023-11-12 02:15:42,439 INFO L130 BoogieDeclarations]: Found specification of procedure outl [2023-11-12 02:15:42,439 INFO L138 BoogieDeclarations]: Found implementation of procedure outl [2023-11-12 02:15:42,440 INFO L130 BoogieDeclarations]: Found specification of procedure serial_pci_guess_board [2023-11-12 02:15:42,440 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_pci_guess_board [2023-11-12 02:15:42,441 INFO L130 BoogieDeclarations]: Found specification of procedure pci_quatech_wqopr [2023-11-12 02:15:42,441 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_quatech_wqopr [2023-11-12 02:15:42,441 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-12 02:15:42,442 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-11-12 02:15:42,442 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2023-11-12 02:15:42,442 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2023-11-12 02:15:42,442 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2023-11-12 02:15:42,442 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_dword [2023-11-12 02:15:42,442 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_dword [2023-11-12 02:15:42,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-12 02:15:42,443 INFO L130 BoogieDeclarations]: Found specification of procedure pci_restore_state [2023-11-12 02:15:42,443 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_restore_state [2023-11-12 02:15:42,443 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-12 02:15:42,443 INFO L130 BoogieDeclarations]: Found specification of procedure pci_quatech_wqmcr [2023-11-12 02:15:42,444 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_quatech_wqmcr [2023-11-12 02:15:42,444 INFO L130 BoogieDeclarations]: Found specification of procedure pci_default_setup [2023-11-12 02:15:42,444 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_default_setup [2023-11-12 02:15:42,444 INFO L130 BoogieDeclarations]: Found specification of procedure find_quirk [2023-11-12 02:15:42,444 INFO L138 BoogieDeclarations]: Found implementation of procedure find_quirk [2023-11-12 02:15:42,444 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-12 02:15:42,445 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-12 02:15:42,445 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2023-11-12 02:15:42,445 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2023-11-12 02:15:42,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-12 02:15:42,446 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2023-11-12 02:15:42,446 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2023-11-12 02:15:42,446 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2023-11-12 02:15:42,446 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2023-11-12 02:15:42,446 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-12 02:15:42,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-12 02:15:42,447 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-12 02:15:42,447 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 02:15:42,447 INFO L130 BoogieDeclarations]: Found specification of procedure pci_ioremap_bar [2023-11-12 02:15:42,447 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_ioremap_bar [2023-11-12 02:15:42,447 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2023-11-12 02:15:42,448 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2023-11-12 02:15:42,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-12 02:15:42,448 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_dword [2023-11-12 02:15:42,448 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_dword [2023-11-12 02:15:42,448 INFO L130 BoogieDeclarations]: Found specification of procedure quirk_id_matches [2023-11-12 02:15:42,448 INFO L138 BoogieDeclarations]: Found implementation of procedure quirk_id_matches [2023-11-12 02:15:42,448 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-12 02:15:42,449 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-12 02:15:42,449 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-11-12 02:15:42,449 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-11-12 02:15:42,449 INFO L130 BoogieDeclarations]: Found specification of procedure pci_quatech_rqmcr [2023-11-12 02:15:42,449 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_quatech_rqmcr [2023-11-12 02:15:42,450 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2023-11-12 02:15:42,450 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2023-11-12 02:15:42,450 INFO L130 BoogieDeclarations]: Found specification of procedure readw [2023-11-12 02:15:42,450 INFO L138 BoogieDeclarations]: Found implementation of procedure readw [2023-11-12 02:15:42,451 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2023-11-12 02:15:42,451 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2023-11-12 02:15:42,451 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_io_error_detected [2023-11-12 02:15:42,452 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_io_error_detected [2023-11-12 02:15:42,452 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2023-11-12 02:15:42,452 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2023-11-12 02:15:42,452 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2023-11-12 02:15:42,452 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2023-11-12 02:15:42,453 INFO L130 BoogieDeclarations]: Found specification of procedure inl [2023-11-12 02:15:42,453 INFO L138 BoogieDeclarations]: Found implementation of procedure inl [2023-11-12 02:15:42,453 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 02:15:42,453 INFO L130 BoogieDeclarations]: Found specification of procedure writeb [2023-11-12 02:15:42,453 INFO L138 BoogieDeclarations]: Found implementation of procedure writeb [2023-11-12 02:15:42,454 INFO L130 BoogieDeclarations]: Found specification of procedure pciserial_resume_ports [2023-11-12 02:15:42,454 INFO L138 BoogieDeclarations]: Found implementation of procedure pciserial_resume_ports [2023-11-12 02:15:42,454 INFO L130 BoogieDeclarations]: Found specification of procedure pciserial_suspend_ports [2023-11-12 02:15:42,455 INFO L138 BoogieDeclarations]: Found implementation of procedure pciserial_suspend_ports [2023-11-12 02:15:42,455 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 02:15:42,455 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 02:15:42,455 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2023-11-12 02:15:42,455 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2023-11-12 02:15:43,125 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 02:15:43,132 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 02:15:43,589 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-12 02:15:54,503 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 02:15:54,531 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 02:15:54,531 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-12 02:15:54,536 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:15:54 BoogieIcfgContainer [2023-11-12 02:15:54,536 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 02:15:54,542 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 02:15:54,542 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 02:15:54,546 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 02:15:54,547 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 02:15:38" (1/3) ... [2023-11-12 02:15:54,552 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6207c5f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:15:54, skipping insertion in model container [2023-11-12 02:15:54,553 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:15:41" (2/3) ... [2023-11-12 02:15:54,555 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6207c5f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:15:54, skipping insertion in model container [2023-11-12 02:15:54,555 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:15:54" (3/3) ... [2023-11-12 02:15:54,558 INFO L112 eAbstractionObserver]: Analyzing ICFG 43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--tty--serial--8250--8250_pci.ko-entry_point.cil.out.i [2023-11-12 02:15:54,580 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 02:15:54,580 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 02:15:54,673 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 02:15:54,683 INFO L357 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, mHoare=true, 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;@587d0b92, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-12 02:15:54,690 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 02:15:54,704 INFO L276 IsEmpty]: Start isEmpty. Operand has 1411 states, 1058 states have (on average 1.4565217391304348) internal successors, (1541), 1086 states have internal predecessors, (1541), 295 states have call successors, (295), 57 states have call predecessors, (295), 56 states have return successors, (291), 284 states have call predecessors, (291), 291 states have call successors, (291) [2023-11-12 02:15:54,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2023-11-12 02:15:54,754 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:15:54,755 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:15:54,756 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:15:54,762 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:15:54,762 INFO L85 PathProgramCache]: Analyzing trace with hash 475520280, now seen corresponding path program 1 times [2023-11-12 02:15:54,772 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:15:54,772 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1968098366] [2023-11-12 02:15:54,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:15:54,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:15:55,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:15:56,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-12 02:15:56,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:15:56,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-12 02:15:56,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:15:56,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-12 02:15:56,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:15:56,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-11-12 02:15:56,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:15:56,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-12 02:15:56,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:15:56,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-12 02:15:56,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:15:56,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-12 02:15:56,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:15:56,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-12 02:15:56,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:15:56,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2023-11-12 02:15:56,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:15:56,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-11-12 02:15:56,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:15:56,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-11-12 02:15:56,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:15:56,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-11-12 02:15:56,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:15:56,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-11-12 02:15:56,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:15:57,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-12 02:15:57,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:15:57,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-12 02:15:57,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:15:57,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-12 02:15:57,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:15:57,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-12 02:15:57,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:15:57,062 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2023-11-12 02:15:57,063 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:15:57,065 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1968098366] [2023-11-12 02:15:57,066 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1968098366] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:15:57,066 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:15:57,066 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-12 02:15:57,068 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [450417998] [2023-11-12 02:15:57,069 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:15:57,074 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-12 02:15:57,078 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:15:57,123 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-12 02:15:57,124 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-12 02:15:57,130 INFO L87 Difference]: Start difference. First operand has 1411 states, 1058 states have (on average 1.4565217391304348) internal successors, (1541), 1086 states have internal predecessors, (1541), 295 states have call successors, (295), 57 states have call predecessors, (295), 56 states have return successors, (291), 284 states have call predecessors, (291), 291 states have call successors, (291) Second operand has 5 states, 5 states have (on average 12.8) internal successors, (64), 3 states have internal predecessors, (64), 2 states have call successors, (14), 4 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-11-12 02:16:05,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:16:05,420 INFO L93 Difference]: Finished difference Result 3915 states and 6005 transitions. [2023-11-12 02:16:05,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-12 02:16:05,423 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 3 states have internal predecessors, (64), 2 states have call successors, (14), 4 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 128 [2023-11-12 02:16:05,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:16:05,473 INFO L225 Difference]: With dead ends: 3915 [2023-11-12 02:16:05,473 INFO L226 Difference]: Without dead ends: 2484 [2023-11-12 02:16:05,491 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-12 02:16:05,496 INFO L413 NwaCegarLoop]: 1637 mSDtfsCounter, 3588 mSDsluCounter, 2991 mSDsCounter, 0 mSdLazyCounter, 1892 mSolverCounterSat, 1725 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3673 SdHoareTripleChecker+Valid, 4628 SdHoareTripleChecker+Invalid, 3617 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1725 IncrementalHoareTripleChecker+Valid, 1892 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.7s IncrementalHoareTripleChecker+Time [2023-11-12 02:16:05,497 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3673 Valid, 4628 Invalid, 3617 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1725 Valid, 1892 Invalid, 0 Unknown, 0 Unchecked, 7.7s Time] [2023-11-12 02:16:05,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2484 states. [2023-11-12 02:16:05,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2484 to 2114. [2023-11-12 02:16:05,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2114 states, 1591 states have (on average 1.42049025769956) internal successors, (2260), 1630 states have internal predecessors, (2260), 423 states have call successors, (423), 100 states have call predecessors, (423), 99 states have return successors, (422), 408 states have call predecessors, (422), 422 states have call successors, (422) [2023-11-12 02:16:05,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2114 states to 2114 states and 3105 transitions. [2023-11-12 02:16:05,790 INFO L78 Accepts]: Start accepts. Automaton has 2114 states and 3105 transitions. Word has length 128 [2023-11-12 02:16:05,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:16:05,791 INFO L495 AbstractCegarLoop]: Abstraction has 2114 states and 3105 transitions. [2023-11-12 02:16:05,791 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 3 states have internal predecessors, (64), 2 states have call successors, (14), 4 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-11-12 02:16:05,792 INFO L276 IsEmpty]: Start isEmpty. Operand 2114 states and 3105 transitions. [2023-11-12 02:16:05,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2023-11-12 02:16:05,814 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:16:05,815 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:16:05,815 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-12 02:16:05,815 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:16:05,816 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:16:05,816 INFO L85 PathProgramCache]: Analyzing trace with hash 1239274406, now seen corresponding path program 1 times [2023-11-12 02:16:05,816 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:16:05,816 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1659849052] [2023-11-12 02:16:05,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:16:05,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:16:06,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:16:06,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-12 02:16:06,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:16:06,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-12 02:16:06,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:16:06,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-12 02:16:06,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:16:06,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-12 02:16:06,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:16:06,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-12 02:16:06,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:16:06,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-12 02:16:06,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:16:07,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-12 02:16:07,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:16:07,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-12 02:16:07,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:16:07,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-12 02:16:07,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:16:07,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-12 02:16:07,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:16:07,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-11-12 02:16:07,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:16:07,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-11-12 02:16:07,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:16:07,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-11-12 02:16:07,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:16:07,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-11-12 02:16:07,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:16:07,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2023-11-12 02:16:07,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:16:07,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-12 02:16:07,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:16:07,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-12 02:16:07,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:16:07,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-12 02:16:07,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:16:07,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-12 02:16:07,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:16:07,185 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2023-11-12 02:16:07,185 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:16:07,185 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1659849052] [2023-11-12 02:16:07,185 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1659849052] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:16:07,185 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:16:07,186 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-12 02:16:07,186 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [326063954] [2023-11-12 02:16:07,186 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:16:07,188 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-12 02:16:07,189 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:16:07,189 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-12 02:16:07,192 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-12 02:16:07,192 INFO L87 Difference]: Start difference. First operand 2114 states and 3105 transitions. Second operand has 5 states, 5 states have (on average 15.6) internal successors, (78), 3 states have internal predecessors, (78), 2 states have call successors, (16), 4 states have call predecessors, (16), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2023-11-12 02:16:13,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:16:13,482 INFO L93 Difference]: Finished difference Result 2486 states and 3696 transitions. [2023-11-12 02:16:13,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-12 02:16:13,483 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.6) internal successors, (78), 3 states have internal predecessors, (78), 2 states have call successors, (16), 4 states have call predecessors, (16), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 153 [2023-11-12 02:16:13,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:16:13,507 INFO L225 Difference]: With dead ends: 2486 [2023-11-12 02:16:13,507 INFO L226 Difference]: Without dead ends: 2483 [2023-11-12 02:16:13,514 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-12 02:16:13,515 INFO L413 NwaCegarLoop]: 1611 mSDtfsCounter, 1461 mSDsluCounter, 2958 mSDsCounter, 0 mSdLazyCounter, 1865 mSolverCounterSat, 883 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1503 SdHoareTripleChecker+Valid, 4569 SdHoareTripleChecker+Invalid, 2748 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 883 IncrementalHoareTripleChecker+Valid, 1865 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.0s IncrementalHoareTripleChecker+Time [2023-11-12 02:16:13,516 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1503 Valid, 4569 Invalid, 2748 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [883 Valid, 1865 Invalid, 0 Unknown, 0 Unchecked, 6.0s Time] [2023-11-12 02:16:13,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2483 states. [2023-11-12 02:16:13,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2483 to 2115. [2023-11-12 02:16:13,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2115 states, 1592 states have (on average 1.4202261306532664) internal successors, (2261), 1631 states have internal predecessors, (2261), 423 states have call successors, (423), 100 states have call predecessors, (423), 99 states have return successors, (422), 408 states have call predecessors, (422), 422 states have call successors, (422) [2023-11-12 02:16:13,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2115 states to 2115 states and 3106 transitions. [2023-11-12 02:16:13,642 INFO L78 Accepts]: Start accepts. Automaton has 2115 states and 3106 transitions. Word has length 153 [2023-11-12 02:16:13,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:16:13,643 INFO L495 AbstractCegarLoop]: Abstraction has 2115 states and 3106 transitions. [2023-11-12 02:16:13,644 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.6) internal successors, (78), 3 states have internal predecessors, (78), 2 states have call successors, (16), 4 states have call predecessors, (16), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2023-11-12 02:16:13,644 INFO L276 IsEmpty]: Start isEmpty. Operand 2115 states and 3106 transitions. [2023-11-12 02:16:13,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2023-11-12 02:16:13,656 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:16:13,657 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:16:13,657 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-12 02:16:13,657 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:16:13,658 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:16:13,658 INFO L85 PathProgramCache]: Analyzing trace with hash 1225377691, now seen corresponding path program 1 times [2023-11-12 02:16:13,658 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:16:13,658 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2105860803] [2023-11-12 02:16:13,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:16:13,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:16:13,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:16:15,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-12 02:16:15,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:16:15,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-12 02:16:15,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:16:15,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-12 02:16:15,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:16:15,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-12 02:16:15,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:16:15,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-12 02:16:15,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:16:15,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-12 02:16:15,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:16:15,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-12 02:16:15,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:16:15,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-12 02:16:15,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:16:15,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-12 02:16:15,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:16:15,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-12 02:16:15,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:16:15,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-11-12 02:16:15,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:16:15,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-11-12 02:16:15,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:16:15,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-11-12 02:16:15,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:16:15,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-11-12 02:16:15,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:16:15,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2023-11-12 02:16:15,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:16:15,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-12 02:16:15,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:16:15,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-12 02:16:15,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:16:15,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-12 02:16:15,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:16:15,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-12 02:16:15,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:16:15,570 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2023-11-12 02:16:15,571 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:16:15,571 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2105860803] [2023-11-12 02:16:15,571 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2105860803] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:16:15,571 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:16:15,572 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-12 02:16:15,572 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2115198028] [2023-11-12 02:16:15,572 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:16:15,573 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-12 02:16:15,574 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:16:15,575 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-12 02:16:15,575 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-12 02:16:15,576 INFO L87 Difference]: Start difference. First operand 2115 states and 3106 transitions. Second operand has 6 states, 6 states have (on average 13.333333333333334) internal successors, (80), 4 states have internal predecessors, (80), 3 states have call successors, (16), 4 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15)