./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--sis--sis900.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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1bed91-3c37-4eb4-b4de-a8efef396be1/bin/uautomizer-verify-uTZkv6EMXl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1bed91-3c37-4eb4-b4de-a8efef396be1/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_eb1bed91-3c37-4eb4-b4de-a8efef396be1/bin/uautomizer-verify-uTZkv6EMXl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1bed91-3c37-4eb4-b4de-a8efef396be1/bin/uautomizer-verify-uTZkv6EMXl/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--sis--sis900.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1bed91-3c37-4eb4-b4de-a8efef396be1/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_eb1bed91-3c37-4eb4-b4de-a8efef396be1/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 8a589a2971b8b26c84b19dd15ca599e2c024bda8a102f55ffa19d72f19d12686 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 02:32:13,726 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 02:32:13,835 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1bed91-3c37-4eb4-b4de-a8efef396be1/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-12 02:32:13,841 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 02:32:13,842 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 02:32:13,890 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 02:32:13,891 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 02:32:13,892 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 02:32:13,893 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 02:32:13,893 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 02:32:13,894 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 02:32:13,895 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 02:32:13,895 INFO L153 SettingsManager]: * Use SBE=true [2023-11-12 02:32:13,896 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 02:32:13,897 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 02:32:13,897 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 02:32:13,898 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 02:32:13,898 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 02:32:13,899 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 02:32:13,899 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 02:32:13,900 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 02:32:13,905 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 02:32:13,905 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 02:32:13,907 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 02:32:13,908 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 02:32:13,908 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:32:13,909 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 02:32:13,909 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 02:32:13,910 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 02:32:13,910 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-12 02:32:13,911 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 02:32:13,911 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-12 02:32:13,912 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 02:32:13,912 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-12 02:32:13,912 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 02:32:13,912 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-12 02:32:13,913 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_eb1bed91-3c37-4eb4-b4de-a8efef396be1/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1bed91-3c37-4eb4-b4de-a8efef396be1/bin/uautomizer-verify-uTZkv6EMXl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8a589a2971b8b26c84b19dd15ca599e2c024bda8a102f55ffa19d72f19d12686 [2023-11-12 02:32:14,211 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 02:32:14,244 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 02:32:14,249 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 02:32:14,250 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 02:32:14,251 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 02:32:14,252 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1bed91-3c37-4eb4-b4de-a8efef396be1/bin/uautomizer-verify-uTZkv6EMXl/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--sis--sis900.ko-entry_point.cil.out.i [2023-11-12 02:32:17,440 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 02:32:18,109 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 02:32:18,112 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1bed91-3c37-4eb4-b4de-a8efef396be1/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--sis--sis900.ko-entry_point.cil.out.i [2023-11-12 02:32:18,175 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1bed91-3c37-4eb4-b4de-a8efef396be1/bin/uautomizer-verify-uTZkv6EMXl/data/8e8a99d3e/f230c45ed45344fba98ecfc643ffda2b/FLAGa9a677a0a [2023-11-12 02:32:18,197 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1bed91-3c37-4eb4-b4de-a8efef396be1/bin/uautomizer-verify-uTZkv6EMXl/data/8e8a99d3e/f230c45ed45344fba98ecfc643ffda2b [2023-11-12 02:32:18,204 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 02:32:18,206 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 02:32:18,210 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 02:32:18,212 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 02:32:18,217 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 02:32:18,222 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:32:18" (1/1) ... [2023-11-12 02:32:18,224 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5bf302f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:32:18, skipping insertion in model container [2023-11-12 02:32:18,224 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:32:18" (1/1) ... [2023-11-12 02:32:18,404 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 02:32:20,589 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_eb1bed91-3c37-4eb4-b4de-a8efef396be1/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--sis--sis900.ko-entry_point.cil.out.i[280896,280909] [2023-11-12 02:32:20,677 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:32:20,739 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 02:32:20,842 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; bts %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [5565] [2023-11-12 02:32:20,844 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; btr %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr)); [5572] [2023-11-12 02:32:20,860 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outb %b0, %w1": : "a" (value), "Nd" (port)); [5744] [2023-11-12 02:32:20,862 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inb %w1, %b0": "=a" (value): "Nd" (port)); [5752] [2023-11-12 02:32:20,881 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (19), "i" (12UL)); [5954-5955] [2023-11-12 02:32:20,883 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (36), "i" (12UL)); [5983-5984] [2023-11-12 02:32:21,076 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_eb1bed91-3c37-4eb4-b4de-a8efef396be1/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--sis--sis900.ko-entry_point.cil.out.i[280896,280909] [2023-11-12 02:32:21,084 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:32:21,301 INFO L206 MainTranslator]: Completed translation [2023-11-12 02:32:21,302 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:32:21 WrapperNode [2023-11-12 02:32:21,302 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 02:32:21,304 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 02:32:21,304 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 02:32:21,304 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 02:32:21,312 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:32:21" (1/1) ... [2023-11-12 02:32:21,423 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:32:21" (1/1) ... [2023-11-12 02:32:21,683 INFO L138 Inliner]: procedures = 274, calls = 1628, calls flagged for inlining = 149, calls inlined = 146, statements flattened = 5147 [2023-11-12 02:32:21,684 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 02:32:21,685 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 02:32:21,685 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 02:32:21,685 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 02:32:21,695 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:32:21" (1/1) ... [2023-11-12 02:32:21,695 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:32:21" (1/1) ... [2023-11-12 02:32:21,745 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:32:21" (1/1) ... [2023-11-12 02:32:21,745 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:32:21" (1/1) ... [2023-11-12 02:32:21,876 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:32:21" (1/1) ... [2023-11-12 02:32:21,899 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:32:21" (1/1) ... [2023-11-12 02:32:21,924 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:32:21" (1/1) ... [2023-11-12 02:32:21,945 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:32:21" (1/1) ... [2023-11-12 02:32:21,983 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 02:32:21,984 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 02:32:21,984 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 02:32:21,984 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 02:32:21,985 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:32:21" (1/1) ... [2023-11-12 02:32:21,992 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:32:22,004 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1bed91-3c37-4eb4-b4de-a8efef396be1/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:32:22,017 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1bed91-3c37-4eb4-b4de-a8efef396be1/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 02:32:22,083 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1bed91-3c37-4eb4-b4de-a8efef396be1/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 02:32:22,125 INFO L130 BoogieDeclarations]: Found specification of procedure sis900_init_rxfilter [2023-11-12 02:32:22,125 INFO L138 BoogieDeclarations]: Found implementation of procedure sis900_init_rxfilter [2023-11-12 02:32:22,126 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_write [2023-11-12 02:32:22,126 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_write [2023-11-12 02:32:22,126 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_shutdown_3 [2023-11-12 02:32:22,126 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_shutdown_3 [2023-11-12 02:32:22,126 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2023-11-12 02:32:22,128 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2023-11-12 02:32:22,129 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-12 02:32:22,129 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-12 02:32:22,129 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-12 02:32:22,129 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-12 02:32:22,129 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2023-11-12 02:32:22,130 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2023-11-12 02:32:22,130 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2023-11-12 02:32:22,130 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2023-11-12 02:32:22,130 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2023-11-12 02:32:22,130 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2023-11-12 02:32:22,130 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2023-11-12 02:32:22,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2023-11-12 02:32:22,131 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-12 02:32:22,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-12 02:32:22,132 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_reset [2023-11-12 02:32:22,132 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_reset [2023-11-12 02:32:22,133 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-12 02:32:22,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-12 02:32:22,133 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2023-11-12 02:32:22,134 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2023-11-12 02:32:22,134 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2023-11-12 02:32:22,134 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2023-11-12 02:32:22,135 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2023-11-12 02:32:22,135 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2023-11-12 02:32:22,136 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2023-11-12 02:32:22,136 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2023-11-12 02:32:22,136 INFO L130 BoogieDeclarations]: Found specification of procedure sis900_default_phy [2023-11-12 02:32:22,136 INFO L138 BoogieDeclarations]: Found implementation of procedure sis900_default_phy [2023-11-12 02:32:22,136 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite8 [2023-11-12 02:32:22,137 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite8 [2023-11-12 02:32:22,137 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 02:32:22,138 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 02:32:22,138 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2023-11-12 02:32:22,138 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2023-11-12 02:32:22,138 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-11-12 02:32:22,138 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-11-12 02:32:22,138 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2023-11-12 02:32:22,139 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2023-11-12 02:32:22,139 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2023-11-12 02:32:22,139 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2023-11-12 02:32:22,139 INFO L130 BoogieDeclarations]: Found specification of procedure sis900_check_mode [2023-11-12 02:32:22,139 INFO L138 BoogieDeclarations]: Found implementation of procedure sis900_check_mode [2023-11-12 02:32:22,139 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2023-11-12 02:32:22,140 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2023-11-12 02:32:22,140 INFO L130 BoogieDeclarations]: Found specification of procedure read_eeprom [2023-11-12 02:32:22,140 INFO L138 BoogieDeclarations]: Found implementation of procedure read_eeprom [2023-11-12 02:32:22,140 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2023-11-12 02:32:22,140 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2023-11-12 02:32:22,140 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 02:32:22,141 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2023-11-12 02:32:22,141 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2023-11-12 02:32:22,141 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2023-11-12 02:32:22,141 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2023-11-12 02:32:22,142 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-12 02:32:22,142 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2023-11-12 02:32:22,142 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2023-11-12 02:32:22,143 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2023-11-12 02:32:22,143 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2023-11-12 02:32:22,144 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2023-11-12 02:32:22,144 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2023-11-12 02:32:22,144 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2023-11-12 02:32:22,144 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2023-11-12 02:32:22,144 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2023-11-12 02:32:22,145 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2023-11-12 02:32:22,145 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2023-11-12 02:32:22,145 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2023-11-12 02:32:22,145 INFO L130 BoogieDeclarations]: Found specification of procedure sis900_init_rx_ring [2023-11-12 02:32:22,146 INFO L138 BoogieDeclarations]: Found implementation of procedure sis900_init_rx_ring [2023-11-12 02:32:22,146 INFO L130 BoogieDeclarations]: Found specification of procedure sis900_remove [2023-11-12 02:32:22,146 INFO L138 BoogieDeclarations]: Found implementation of procedure sis900_remove [2023-11-12 02:32:22,146 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-12 02:32:22,146 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-12 02:32:22,146 INFO L130 BoogieDeclarations]: Found specification of procedure sis630_set_eq [2023-11-12 02:32:22,147 INFO L138 BoogieDeclarations]: Found implementation of procedure sis630_set_eq [2023-11-12 02:32:22,147 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_device [2023-11-12 02:32:22,147 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_device [2023-11-12 02:32:22,147 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2023-11-12 02:32:22,147 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2023-11-12 02:32:22,147 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 02:32:22,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-12 02:32:22,148 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-12 02:32:22,149 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-12 02:32:22,149 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_byte [2023-11-12 02:32:22,149 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_byte [2023-11-12 02:32:22,149 INFO L130 BoogieDeclarations]: Found specification of procedure eth_change_mtu [2023-11-12 02:32:22,149 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_change_mtu [2023-11-12 02:32:22,149 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-11-12 02:32:22,150 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-11-12 02:32:22,150 INFO L130 BoogieDeclarations]: Found specification of procedure sis900_init_tx_ring [2023-11-12 02:32:22,150 INFO L138 BoogieDeclarations]: Found implementation of procedure sis900_init_tx_ring [2023-11-12 02:32:22,150 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-11-12 02:32:22,150 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-11-12 02:32:22,151 INFO L130 BoogieDeclarations]: Found specification of procedure eth_hw_addr_random [2023-11-12 02:32:22,151 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_hw_addr_random [2023-11-12 02:32:22,151 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2023-11-12 02:32:22,151 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2023-11-12 02:32:22,151 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-11-12 02:32:22,151 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-11-12 02:32:22,152 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_dword [2023-11-12 02:32:22,152 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_dword [2023-11-12 02:32:22,152 INFO L130 BoogieDeclarations]: Found specification of procedure sis900_set_mode [2023-11-12 02:32:22,152 INFO L138 BoogieDeclarations]: Found implementation of procedure sis900_set_mode [2023-11-12 02:32:22,153 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-12 02:32:22,153 INFO L130 BoogieDeclarations]: Found specification of procedure sis900_poll [2023-11-12 02:32:22,153 INFO L138 BoogieDeclarations]: Found implementation of procedure sis900_poll [2023-11-12 02:32:22,153 INFO L130 BoogieDeclarations]: Found specification of procedure set_rx_mode [2023-11-12 02:32:22,154 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rx_mode [2023-11-12 02:32:22,154 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-11-12 02:32:22,154 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-11-12 02:32:22,154 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2023-11-12 02:32:22,155 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2023-11-12 02:32:22,155 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2023-11-12 02:32:22,155 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2023-11-12 02:32:22,155 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2023-11-12 02:32:22,156 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2023-11-12 02:32:22,156 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2023-11-12 02:32:22,156 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2023-11-12 02:32:22,156 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-12 02:32:22,156 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-12 02:32:22,156 INFO L130 BoogieDeclarations]: Found specification of procedure sis900_resume [2023-11-12 02:32:22,157 INFO L138 BoogieDeclarations]: Found implementation of procedure sis900_resume [2023-11-12 02:32:22,157 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2023-11-12 02:32:22,157 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2023-11-12 02:32:22,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-12 02:32:22,157 INFO L130 BoogieDeclarations]: Found specification of procedure __bitrev16 [2023-11-12 02:32:22,158 INFO L138 BoogieDeclarations]: Found implementation of procedure __bitrev16 [2023-11-12 02:32:22,158 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2023-11-12 02:32:22,159 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2023-11-12 02:32:22,159 INFO L130 BoogieDeclarations]: Found specification of procedure sis900_interrupt [2023-11-12 02:32:22,159 INFO L138 BoogieDeclarations]: Found implementation of procedure sis900_interrupt [2023-11-12 02:32:22,159 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-12 02:32:22,160 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-12 02:32:22,160 INFO L130 BoogieDeclarations]: Found specification of procedure sis900_reset_phy [2023-11-12 02:32:22,160 INFO L138 BoogieDeclarations]: Found implementation of procedure sis900_reset_phy [2023-11-12 02:32:22,160 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2023-11-12 02:32:22,160 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2023-11-12 02:32:22,160 INFO L130 BoogieDeclarations]: Found specification of procedure sis900_set_config [2023-11-12 02:32:22,160 INFO L138 BoogieDeclarations]: Found implementation of procedure sis900_set_config [2023-11-12 02:32:22,161 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-12 02:32:22,161 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dev_put [2023-11-12 02:32:22,162 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dev_put [2023-11-12 02:32:22,162 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2023-11-12 02:32:22,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2023-11-12 02:32:22,166 INFO L130 BoogieDeclarations]: Found specification of procedure __bitrev8 [2023-11-12 02:32:22,167 INFO L138 BoogieDeclarations]: Found implementation of procedure __bitrev8 [2023-11-12 02:32:22,167 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 02:32:22,168 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_idle [2023-11-12 02:32:22,168 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_idle [2023-11-12 02:32:22,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-12 02:32:22,169 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_dword [2023-11-12 02:32:22,169 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_dword [2023-11-12 02:32:22,175 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2023-11-12 02:32:22,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2023-11-12 02:32:22,175 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_2 [2023-11-12 02:32:22,175 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_2 [2023-11-12 02:32:22,176 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2023-11-12 02:32:22,177 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2023-11-12 02:32:22,177 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_resume_early_3 [2023-11-12 02:32:22,177 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_resume_early_3 [2023-11-12 02:32:22,177 INFO L130 BoogieDeclarations]: Found specification of procedure sis900_tx_timeout [2023-11-12 02:32:22,177 INFO L138 BoogieDeclarations]: Found implementation of procedure sis900_tx_timeout [2023-11-12 02:32:22,177 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2023-11-12 02:32:22,177 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2023-11-12 02:32:22,178 INFO L130 BoogieDeclarations]: Found specification of procedure mii_ioctl [2023-11-12 02:32:22,178 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_ioctl [2023-11-12 02:32:22,178 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2023-11-12 02:32:22,178 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2023-11-12 02:32:22,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 02:32:22,178 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_read [2023-11-12 02:32:22,178 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_read [2023-11-12 02:32:22,178 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 02:32:22,179 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 02:32:23,005 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 02:32:23,009 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 02:32:23,535 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-12 02:32:27,804 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 02:32:27,833 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 02:32:27,833 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 02:32:27,838 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:32:27 BoogieIcfgContainer [2023-11-12 02:32:27,838 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 02:32:27,842 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 02:32:27,842 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 02:32:27,846 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 02:32:27,846 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 02:32:18" (1/3) ... [2023-11-12 02:32:27,847 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42f98c6d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:32:27, skipping insertion in model container [2023-11-12 02:32:27,847 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:32:21" (2/3) ... [2023-11-12 02:32:27,848 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42f98c6d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:32:27, skipping insertion in model container [2023-11-12 02:32:27,848 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:32:27" (3/3) ... [2023-11-12 02:32:27,850 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--sis--sis900.ko-entry_point.cil.out.i [2023-11-12 02:32:27,870 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 02:32:27,870 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 02:32:27,983 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 02:32:27,990 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;@545c4c4c, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-12 02:32:27,990 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 02:32:28,053 INFO L276 IsEmpty]: Start isEmpty. Operand has 2083 states, 1519 states have (on average 1.4272547728768927) internal successors, (2168), 1542 states have internal predecessors, (2168), 479 states have call successors, (479), 84 states have call predecessors, (479), 83 states have return successors, (472), 468 states have call predecessors, (472), 472 states have call successors, (472) [2023-11-12 02:32:28,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2023-11-12 02:32:28,109 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:32:28,110 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:32:28,111 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:32:28,116 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:32:28,116 INFO L85 PathProgramCache]: Analyzing trace with hash 358132092, now seen corresponding path program 1 times [2023-11-12 02:32:28,127 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:32:28,127 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1099865150] [2023-11-12 02:32:28,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:32:28,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:32:28,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:32:28,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-12 02:32:28,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:32:28,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:32:28,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:32:28,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-12 02:32:28,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:32:29,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-12 02:32:29,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:32:29,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:32:29,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:32:29,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-12 02:32:29,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:32:29,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-12 02:32:29,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:32:29,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:32:29,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:32:29,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-12 02:32:29,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:32:29,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-11-12 02:32:29,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:32:29,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:32:29,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:32:29,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-12 02:32:29,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:32:29,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-11-12 02:32:29,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:32:29,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:32:29,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:32:29,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-12 02:32:29,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:32:29,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-11-12 02:32:29,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:32:29,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:32:29,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:32:29,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-12 02:32:29,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:32:29,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-11-12 02:32:29,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:32:29,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2023-11-12 02:32:29,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:32:29,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-11-12 02:32:29,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:32:29,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2023-11-12 02:32:29,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:32:29,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2023-11-12 02:32:29,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:32:29,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2023-11-12 02:32:29,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:32:29,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2023-11-12 02:32:29,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:32:29,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2023-11-12 02:32:29,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:32:29,397 INFO L134 CoverageAnalysis]: Checked inductivity of 243 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 243 trivial. 0 not checked. [2023-11-12 02:32:29,397 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:32:29,398 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1099865150] [2023-11-12 02:32:29,399 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1099865150] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:32:29,399 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:32:29,399 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-12 02:32:29,401 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1760913974] [2023-11-12 02:32:29,402 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:32:29,406 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-12 02:32:29,407 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:32:29,447 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-12 02:32:29,452 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-12 02:32:29,459 INFO L87 Difference]: Start difference. First operand has 2083 states, 1519 states have (on average 1.4272547728768927) internal successors, (2168), 1542 states have internal predecessors, (2168), 479 states have call successors, (479), 84 states have call predecessors, (479), 83 states have return successors, (472), 468 states have call predecessors, (472), 472 states have call successors, (472) Second operand has 6 states, 6 states have (on average 11.0) internal successors, (66), 2 states have internal predecessors, (66), 2 states have call successors, (21), 6 states have call predecessors, (21), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2023-11-12 02:32:37,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:32:37,753 INFO L93 Difference]: Finished difference Result 4472 states and 6884 transitions. [2023-11-12 02:32:37,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-12 02:32:37,756 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 2 states have internal predecessors, (66), 2 states have call successors, (21), 6 states have call predecessors, (21), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 182 [2023-11-12 02:32:37,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:32:37,792 INFO L225 Difference]: With dead ends: 4472 [2023-11-12 02:32:37,792 INFO L226 Difference]: Without dead ends: 2374 [2023-11-12 02:32:37,814 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2023-11-12 02:32:37,817 INFO L413 NwaCegarLoop]: 1771 mSDtfsCounter, 2805 mSDsluCounter, 4533 mSDsCounter, 0 mSdLazyCounter, 3935 mSolverCounterSat, 1952 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2883 SdHoareTripleChecker+Valid, 6304 SdHoareTripleChecker+Invalid, 5887 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1952 IncrementalHoareTripleChecker+Valid, 3935 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.6s IncrementalHoareTripleChecker+Time [2023-11-12 02:32:37,819 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2883 Valid, 6304 Invalid, 5887 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1952 Valid, 3935 Invalid, 0 Unknown, 0 Unchecked, 7.6s Time] [2023-11-12 02:32:37,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2374 states. [2023-11-12 02:32:38,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2374 to 2063. [2023-11-12 02:32:38,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2063 states, 1508 states have (on average 1.393899204244032) internal successors, (2102), 1522 states have internal predecessors, (2102), 472 states have call successors, (472), 83 states have call predecessors, (472), 82 states have return successors, (471), 467 states have call predecessors, (471), 471 states have call successors, (471) [2023-11-12 02:32:38,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2063 states to 2063 states and 3045 transitions. [2023-11-12 02:32:38,094 INFO L78 Accepts]: Start accepts. Automaton has 2063 states and 3045 transitions. Word has length 182 [2023-11-12 02:32:38,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:32:38,095 INFO L495 AbstractCegarLoop]: Abstraction has 2063 states and 3045 transitions. [2023-11-12 02:32:38,095 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 2 states have internal predecessors, (66), 2 states have call successors, (21), 6 states have call predecessors, (21), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2023-11-12 02:32:38,096 INFO L276 IsEmpty]: Start isEmpty. Operand 2063 states and 3045 transitions. [2023-11-12 02:32:38,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2023-11-12 02:32:38,110 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:32:38,111 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:32:38,111 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-12 02:32:38,111 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:32:38,112 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:32:38,112 INFO L85 PathProgramCache]: Analyzing trace with hash -1476258168, now seen corresponding path program 1 times [2023-11-12 02:32:38,112 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:32:38,113 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [620870893] [2023-11-12 02:32:38,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:32:38,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:32:38,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:32:38,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-12 02:32:38,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:32:38,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:32:38,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:32:38,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-12 02:32:38,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:32:38,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-12 02:32:38,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:32:38,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:32:38,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:32:38,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-12 02:32:38,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:32:38,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-12 02:32:38,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:32:39,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:32:39,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:32:39,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-12 02:32:39,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:32:39,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-11-12 02:32:39,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:32:39,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:32:39,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:32:39,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-12 02:32:39,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:32:39,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-11-12 02:32:39,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:32:39,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:32:39,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:32:39,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-12 02:32:39,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:32:39,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-11-12 02:32:39,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:32:39,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:32:39,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:32:39,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-12 02:32:39,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:32:39,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-11-12 02:32:39,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:32:39,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2023-11-12 02:32:39,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:32:39,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-11-12 02:32:39,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:32:39,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2023-11-12 02:32:39,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:32:39,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2023-11-12 02:32:39,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:32:39,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2023-11-12 02:32:39,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:32:39,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2023-11-12 02:32:39,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:32:39,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2023-11-12 02:32:39,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:32:39,308 INFO L134 CoverageAnalysis]: Checked inductivity of 243 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 243 trivial. 0 not checked. [2023-11-12 02:32:39,308 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:32:39,309 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [620870893] [2023-11-12 02:32:39,309 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [620870893] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:32:39,309 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:32:39,309 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-12 02:32:39,310 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [428846187] [2023-11-12 02:32:39,310 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:32:39,312 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-12 02:32:39,313 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:32:39,314 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-12 02:32:39,314 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2023-11-12 02:32:39,314 INFO L87 Difference]: Start difference. First operand 2063 states and 3045 transitions. Second operand has 9 states, 9 states have (on average 7.333333333333333) internal successors, (66), 4 states have internal predecessors, (66), 3 states have call successors, (21), 7 states have call predecessors, (21), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2023-11-12 02:32:52,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:32:52,878 INFO L93 Difference]: Finished difference Result 6758 states and 10106 transitions. [2023-11-12 02:32:52,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-11-12 02:32:52,879 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.333333333333333) internal successors, (66), 4 states have internal predecessors, (66), 3 states have call successors, (21), 7 states have call predecessors, (21), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) Word has length 182 [2023-11-12 02:32:52,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:32:52,919 INFO L225 Difference]: With dead ends: 6758 [2023-11-12 02:32:52,919 INFO L226 Difference]: Without dead ends: 4723 [2023-11-12 02:32:52,932 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=138, Invalid=282, Unknown=0, NotChecked=0, Total=420 [2023-11-12 02:32:52,934 INFO L413 NwaCegarLoop]: 1768 mSDtfsCounter, 8423 mSDsluCounter, 7979 mSDsCounter, 0 mSdLazyCounter, 7959 mSolverCounterSat, 4454 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8777 SdHoareTripleChecker+Valid, 9747 SdHoareTripleChecker+Invalid, 12413 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 4454 IncrementalHoareTripleChecker+Valid, 7959 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.5s IncrementalHoareTripleChecker+Time [2023-11-12 02:32:52,934 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8777 Valid, 9747 Invalid, 12413 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [4454 Valid, 7959 Invalid, 0 Unknown, 0 Unchecked, 12.5s Time] [2023-11-12 02:32:52,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4723 states. [2023-11-12 02:32:53,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4723 to 4092. [2023-11-12 02:32:53,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4092 states, 2994 states have (on average 1.3947895791583167) internal successors, (4176), 3026 states have internal predecessors, (4176), 933 states have call successors, (933), 165 states have call predecessors, (933), 164 states have return successors, (932), 920 states have call predecessors, (932), 932 states have call successors, (932) [2023-11-12 02:32:53,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4092 states to 4092 states and 6041 transitions. [2023-11-12 02:32:53,220 INFO L78 Accepts]: Start accepts. Automaton has 4092 states and 6041 transitions. Word has length 182 [2023-11-12 02:32:53,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:32:53,222 INFO L495 AbstractCegarLoop]: Abstraction has 4092 states and 6041 transitions. [2023-11-12 02:32:53,222 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.333333333333333) internal successors, (66), 4 states have internal predecessors, (66), 3 states have call successors, (21), 7 states have call predecessors, (21), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2023-11-12 02:32:53,222 INFO L276 IsEmpty]: Start isEmpty. Operand 4092 states and 6041 transitions. [2023-11-12 02:32:53,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2023-11-12 02:32:53,237 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:32:53,238 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:32:53,238 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-12 02:32:53,239 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:32:53,240 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:32:53,240 INFO L85 PathProgramCache]: Analyzing trace with hash -1067427357, now seen corresponding path program 1 times [2023-11-12 02:32:53,241 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:32:53,241 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [928678075] [2023-11-12 02:32:53,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:32:53,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:32:53,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:32:53,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-12 02:32:53,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:32:53,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:32:53,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:32:53,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-12 02:32:53,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:32:53,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-12 02:32:53,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:32:53,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:32:53,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:32:53,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-12 02:32:53,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:32:53,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-12 02:32:53,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:32:53,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:32:53,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:32:53,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-12 02:32:53,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:32:53,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-11-12 02:32:53,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:32:53,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:32:53,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:32:53,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-12 02:32:53,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:32:53,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-11-12 02:32:54,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:32:54,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:32:54,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:32:54,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-12 02:32:54,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:32:54,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-11-12 02:32:54,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:32:54,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:32:54,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:32:54,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-12 02:32:54,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:32:54,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-11-12 02:32:54,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:32:54,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2023-11-12 02:32:54,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:32:54,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-11-12 02:32:54,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:32:54,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2023-11-12 02:32:54,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:32:54,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2023-11-12 02:32:54,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:32:54,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2023-11-12 02:32:54,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:32:54,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2023-11-12 02:32:54,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:32:54,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2023-11-12 02:32:54,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:32:54,166 INFO L134 CoverageAnalysis]: Checked inductivity of 243 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 243 trivial. 0 not checked. [2023-11-12 02:32:54,166 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:32:54,166 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [928678075] [2023-11-12 02:32:54,166 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [928678075] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:32:54,167 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:32:54,167 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-12 02:32:54,167 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [433356586] [2023-11-12 02:32:54,167 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:32:54,168 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-12 02:32:54,169 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:32:54,170 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-12 02:32:54,170 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2023-11-12 02:32:54,170 INFO L87 Difference]: Start difference. First operand 4092 states and 6041 transitions. Second operand has 9 states, 9 states have (on average 7.444444444444445) internal successors, (67), 4 states have internal predecessors, (67), 3 states have call successors, (21), 7 states have call predecessors, (21), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16)