./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--usb--smsc95xx.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_70c6b9f1-b44e-43cd-83b7-c0ce59f7d126/bin/uautomizer-verify-uTZkv6EMXl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70c6b9f1-b44e-43cd-83b7-c0ce59f7d126/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_70c6b9f1-b44e-43cd-83b7-c0ce59f7d126/bin/uautomizer-verify-uTZkv6EMXl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70c6b9f1-b44e-43cd-83b7-c0ce59f7d126/bin/uautomizer-verify-uTZkv6EMXl/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--usb--smsc95xx.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70c6b9f1-b44e-43cd-83b7-c0ce59f7d126/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_70c6b9f1-b44e-43cd-83b7-c0ce59f7d126/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 5eb3f0f7fbd0ab57546a0ac02256a38ed05a9424bb7a81ac298c225eddd7bc79 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 02:33:12,933 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 02:33:13,006 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70c6b9f1-b44e-43cd-83b7-c0ce59f7d126/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-12 02:33:13,011 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 02:33:13,012 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 02:33:13,038 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 02:33:13,042 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 02:33:13,043 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 02:33:13,044 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 02:33:13,045 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 02:33:13,046 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 02:33:13,047 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 02:33:13,048 INFO L153 SettingsManager]: * Use SBE=true [2023-11-12 02:33:13,050 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 02:33:13,051 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 02:33:13,052 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 02:33:13,053 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 02:33:13,057 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 02:33:13,058 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 02:33:13,058 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 02:33:13,059 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 02:33:13,059 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 02:33:13,060 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 02:33:13,062 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 02:33:13,062 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 02:33:13,063 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:33:13,063 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 02:33:13,064 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 02:33:13,064 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 02:33:13,065 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-12 02:33:13,066 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 02:33:13,067 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-12 02:33:13,067 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 02:33:13,067 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-12 02:33:13,068 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 02:33:13,068 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-12 02:33:13,068 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_70c6b9f1-b44e-43cd-83b7-c0ce59f7d126/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70c6b9f1-b44e-43cd-83b7-c0ce59f7d126/bin/uautomizer-verify-uTZkv6EMXl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5eb3f0f7fbd0ab57546a0ac02256a38ed05a9424bb7a81ac298c225eddd7bc79 [2023-11-12 02:33:13,384 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 02:33:13,416 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 02:33:13,418 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 02:33:13,420 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 02:33:13,422 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 02:33:13,423 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70c6b9f1-b44e-43cd-83b7-c0ce59f7d126/bin/uautomizer-verify-uTZkv6EMXl/../../sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--usb--smsc95xx.ko-entry_point.cil.out.i [2023-11-12 02:33:16,615 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 02:33:17,244 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 02:33:17,245 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70c6b9f1-b44e-43cd-83b7-c0ce59f7d126/sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--usb--smsc95xx.ko-entry_point.cil.out.i [2023-11-12 02:33:17,289 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70c6b9f1-b44e-43cd-83b7-c0ce59f7d126/bin/uautomizer-verify-uTZkv6EMXl/data/489cff97e/554604d510d74c64b8bb9ba9b806c2a6/FLAG529611cf4 [2023-11-12 02:33:17,308 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70c6b9f1-b44e-43cd-83b7-c0ce59f7d126/bin/uautomizer-verify-uTZkv6EMXl/data/489cff97e/554604d510d74c64b8bb9ba9b806c2a6 [2023-11-12 02:33:17,312 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 02:33:17,314 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 02:33:17,318 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 02:33:17,319 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 02:33:17,325 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 02:33:17,327 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:33:17" (1/1) ... [2023-11-12 02:33:17,329 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4aae31a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:33:17, skipping insertion in model container [2023-11-12 02:33:17,329 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:33:17" (1/1) ... [2023-11-12 02:33:17,543 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 02:33:18,375 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_70c6b9f1-b44e-43cd-83b7-c0ce59f7d126/sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--usb--smsc95xx.ko-entry_point.cil.out.i[158290,158303] [2023-11-12 02:33:19,760 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:33:19,821 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 02:33:19,994 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_70c6b9f1-b44e-43cd-83b7-c0ce59f7d126/sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--usb--smsc95xx.ko-entry_point.cil.out.i[158290,158303] [2023-11-12 02:33:19,995 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ (" addl %1,%0\n adcl $0xffff,%0": "=r" (sum): "r" (sum << 16), "0" (sum & 4294901760U)); [5544] [2023-11-12 02:33:20,011 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 *)"/work/ldvuser/mutilin/launch/work/current--X--drivers--X--defaultlinux-3.12-rc1.tar.xz--X--144_2a--X--cpachecker/linux-3.12-rc1.tar.xz/csd_deg_dscv/7636/dscv_tempdir/dscv/ri/144_2a/drivers/net/usb/smsc95xx.o.c.prepared"), "i" (138), "i" (12UL)); [5757-5758] [2023-11-12 02:33:20,013 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 *)"/work/ldvuser/mutilin/launch/work/current--X--drivers--X--defaultlinux-3.12-rc1.tar.xz--X--144_2a--X--cpachecker/linux-3.12-rc1.tar.xz/csd_deg_dscv/7636/dscv_tempdir/dscv/ri/144_2a/drivers/net/usb/smsc95xx.o.c.prepared"), "i" (165), "i" (12UL)); [5790-5791] [2023-11-12 02:33:20,023 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 *)"/work/ldvuser/mutilin/launch/work/current--X--drivers--X--defaultlinux-3.12-rc1.tar.xz--X--144_2a--X--cpachecker/linux-3.12-rc1.tar.xz/csd_deg_dscv/7636/dscv_tempdir/dscv/ri/144_2a/drivers/net/usb/smsc95xx.o.c.prepared"), "i" (398), "i" (12UL)); [6063-6064] [2023-11-12 02:33:20,024 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 *)"/work/ldvuser/mutilin/launch/work/current--X--drivers--X--defaultlinux-3.12-rc1.tar.xz--X--144_2a--X--cpachecker/linux-3.12-rc1.tar.xz/csd_deg_dscv/7636/dscv_tempdir/dscv/ri/144_2a/drivers/net/usb/smsc95xx.o.c.prepared"), "i" (399), "i" (12UL)); [6071-6072] [2023-11-12 02:33:20,026 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 *)"/work/ldvuser/mutilin/launch/work/current--X--drivers--X--defaultlinux-3.12-rc1.tar.xz--X--144_2a--X--cpachecker/linux-3.12-rc1.tar.xz/csd_deg_dscv/7636/dscv_tempdir/dscv/ri/144_2a/drivers/net/usb/smsc95xx.o.c.prepared"), "i" (436), "i" (12UL)); [6125-6126] [2023-11-12 02:33:20,027 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 *)"/work/ldvuser/mutilin/launch/work/current--X--drivers--X--defaultlinux-3.12-rc1.tar.xz--X--144_2a--X--cpachecker/linux-3.12-rc1.tar.xz/csd_deg_dscv/7636/dscv_tempdir/dscv/ri/144_2a/drivers/net/usb/smsc95xx.o.c.prepared"), "i" (437), "i" (12UL)); [6133-6134] [2023-11-12 02:33:20,205 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 *)"/work/ldvuser/mutilin/launch/work/current--X--drivers--X--defaultlinux-3.12-rc1.tar.xz--X--144_2a--X--cpachecker/linux-3.12-rc1.tar.xz/csd_deg_dscv/7636/dscv_tempdir/dscv/ri/144_2a/drivers/net/usb/smsc95xx.o.c.prepared"), "i" (1732), "i" (12UL)); [8040-8041] [2023-11-12 02:33:20,232 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 *)"/work/ldvuser/mutilin/launch/work/current--X--drivers--X--defaultlinux-3.12-rc1.tar.xz--X--144_2a--X--cpachecker/linux-3.12-rc1.tar.xz/csd_deg_dscv/7636/dscv_tempdir/dscv/ri/144_2a/drivers/net/usb/smsc95xx.o.c.prepared"), "i" (1877), "i" (12UL)); [8270-8271] [2023-11-12 02:33:20,282 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:33:20,526 WARN L672 CHandler]: The function __VERIFIER_nondet_u32 is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 02:33:20,534 INFO L206 MainTranslator]: Completed translation [2023-11-12 02:33:20,535 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:33:20 WrapperNode [2023-11-12 02:33:20,535 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 02:33:20,536 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 02:33:20,537 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 02:33:20,537 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 02:33:20,544 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:33:20" (1/1) ... [2023-11-12 02:33:20,650 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:33:20" (1/1) ... [2023-11-12 02:33:20,901 INFO L138 Inliner]: procedures = 212, calls = 2762, calls flagged for inlining = 92, calls inlined = 92, statements flattened = 7131 [2023-11-12 02:33:20,902 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 02:33:20,903 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 02:33:20,903 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 02:33:20,903 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 02:33:20,913 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:33:20" (1/1) ... [2023-11-12 02:33:20,913 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:33:20" (1/1) ... [2023-11-12 02:33:20,948 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:33:20" (1/1) ... [2023-11-12 02:33:20,949 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:33:20" (1/1) ... [2023-11-12 02:33:21,088 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:33:20" (1/1) ... [2023-11-12 02:33:21,116 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:33:20" (1/1) ... [2023-11-12 02:33:21,151 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:33:20" (1/1) ... [2023-11-12 02:33:21,236 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:33:20" (1/1) ... [2023-11-12 02:33:21,305 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 02:33:21,307 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 02:33:21,307 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 02:33:21,307 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 02:33:21,309 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:33:20" (1/1) ... [2023-11-12 02:33:21,315 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:33:21,328 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70c6b9f1-b44e-43cd-83b7-c0ce59f7d126/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:33:21,342 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70c6b9f1-b44e-43cd-83b7-c0ce59f7d126/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 02:33:21,375 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70c6b9f1-b44e-43cd-83b7-c0ce59f7d126/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 02:33:21,391 INFO L130 BoogieDeclarations]: Found specification of procedure __smsc95xx_read_reg [2023-11-12 02:33:21,392 INFO L138 BoogieDeclarations]: Found implementation of procedure __smsc95xx_read_reg [2023-11-12 02:33:21,392 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2023-11-12 02:33:21,393 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2023-11-12 02:33:21,393 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-12 02:33:21,393 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-12 02:33:21,393 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-12 02:33:21,393 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-12 02:33:21,393 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2023-11-12 02:33:21,394 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2023-11-12 02:33:21,394 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_reset [2023-11-12 02:33:21,394 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_reset [2023-11-12 02:33:21,394 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_link_reset [2023-11-12 02:33:21,394 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_link_reset [2023-11-12 02:33:21,394 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-12 02:33:21,395 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-12 02:33:21,395 INFO L130 BoogieDeclarations]: Found specification of procedure smsc_crc [2023-11-12 02:33:21,396 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc_crc [2023-11-12 02:33:21,396 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u8~0~X~~u8~0~X~~u16~0~X~~u16~0~X~$Pointer$~X~~u16~0~TO~int [2023-11-12 02:33:21,396 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u8~0~X~~u8~0~X~~u16~0~X~~u16~0~X~$Pointer$~X~~u16~0~TO~int [2023-11-12 02:33:21,396 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_ioctl [2023-11-12 02:33:21,397 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_ioctl [2023-11-12 02:33:21,397 INFO L130 BoogieDeclarations]: Found specification of procedure __smsc95xx_mdio_write [2023-11-12 02:33:21,398 INFO L138 BoogieDeclarations]: Found implementation of procedure __smsc95xx_mdio_write [2023-11-12 02:33:21,398 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_read_reg [2023-11-12 02:33:21,398 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_read_reg [2023-11-12 02:33:21,398 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-11-12 02:33:21,399 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-11-12 02:33:21,399 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-12 02:33:21,399 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-12 02:33:21,399 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_tx_fixup [2023-11-12 02:33:21,400 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_tx_fixup [2023-11-12 02:33:21,400 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-12 02:33:21,401 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-12 02:33:21,401 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 02:33:21,401 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 02:33:21,401 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_write_reg_nopm [2023-11-12 02:33:21,401 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_write_reg_nopm [2023-11-12 02:33:21,402 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_change_mtu [2023-11-12 02:33:21,402 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_change_mtu [2023-11-12 02:33:21,402 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_mdio_write [2023-11-12 02:33:21,402 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_mdio_write [2023-11-12 02:33:21,402 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-12 02:33:21,407 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-12 02:33:21,407 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_netdev_dbg [2023-11-12 02:33:21,407 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_netdev_dbg [2023-11-12 02:33:21,407 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 02:33:21,407 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_enable_phy_wakeup_interrupts [2023-11-12 02:33:21,407 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_enable_phy_wakeup_interrupts [2023-11-12 02:33:21,408 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2023-11-12 02:33:21,408 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2023-11-12 02:33:21,408 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2023-11-12 02:33:21,408 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2023-11-12 02:33:21,408 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-12 02:33:21,408 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_write_cmd_nopm [2023-11-12 02:33:21,409 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2023-11-12 02:33:21,409 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2023-11-12 02:33:21,409 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u32 [2023-11-12 02:33:21,409 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-12 02:33:21,409 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-12 02:33:21,411 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_enter_suspend1 [2023-11-12 02:33:21,411 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_enter_suspend1 [2023-11-12 02:33:21,411 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_enter_suspend2 [2023-11-12 02:33:21,412 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_enter_suspend2 [2023-11-12 02:33:21,412 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_read_eeprom [2023-11-12 02:33:21,412 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_read_eeprom [2023-11-12 02:33:21,412 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 02:33:21,412 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_set_multicast [2023-11-12 02:33:21,412 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_set_multicast [2023-11-12 02:33:21,413 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-12 02:33:21,413 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_write_reg [2023-11-12 02:33:21,413 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_write_reg [2023-11-12 02:33:21,413 INFO L130 BoogieDeclarations]: Found specification of procedure skb_checksum_start_offset [2023-11-12 02:33:21,413 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_checksum_start_offset [2023-11-12 02:33:21,414 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_rx_csum_offload [2023-11-12 02:33:21,414 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_rx_csum_offload [2023-11-12 02:33:21,414 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_warn [2023-11-12 02:33:21,414 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_warn [2023-11-12 02:33:21,414 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2023-11-12 02:33:21,414 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2023-11-12 02:33:21,414 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2023-11-12 02:33:21,415 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2023-11-12 02:33:21,415 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2023-11-12 02:33:21,415 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2023-11-12 02:33:21,415 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-11-12 02:33:21,415 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-11-12 02:33:21,415 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_info [2023-11-12 02:33:21,416 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_info [2023-11-12 02:33:21,416 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_read_reg_nopm [2023-11-12 02:33:21,416 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_read_reg_nopm [2023-11-12 02:33:21,416 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-12 02:33:21,416 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-11-12 02:33:21,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2023-11-12 02:33:21,417 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_resume [2023-11-12 02:33:21,417 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_resume [2023-11-12 02:33:21,417 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_mdio_read [2023-11-12 02:33:21,417 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_mdio_read [2023-11-12 02:33:21,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-12 02:33:21,417 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_tx_timeout [2023-11-12 02:33:21,417 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_tx_timeout [2023-11-12 02:33:21,418 INFO L130 BoogieDeclarations]: Found specification of procedure __smsc95xx_phy_wait_not_busy [2023-11-12 02:33:21,418 INFO L138 BoogieDeclarations]: Found implementation of procedure __smsc95xx_phy_wait_not_busy [2023-11-12 02:33:21,418 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-12 02:33:21,418 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2023-11-12 02:33:21,418 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2023-11-12 02:33:21,418 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_disconnect [2023-11-12 02:33:21,419 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_disconnect [2023-11-12 02:33:21,419 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_mdio_write_nopm [2023-11-12 02:33:21,419 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_mdio_write_nopm [2023-11-12 02:33:21,419 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-12 02:33:21,419 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-12 02:33:21,419 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_write_reg_async [2023-11-12 02:33:21,420 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_write_reg_async [2023-11-12 02:33:21,420 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_write_cmd [2023-11-12 02:33:21,420 INFO L130 BoogieDeclarations]: Found specification of procedure skb_trim [2023-11-12 02:33:21,420 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_trim [2023-11-12 02:33:21,420 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_read_cmd_nopm [2023-11-12 02:33:21,420 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-12 02:33:21,420 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-12 02:33:21,421 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_mdio_read_nopm [2023-11-12 02:33:21,421 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_mdio_read_nopm [2023-11-12 02:33:21,421 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_resume [2023-11-12 02:33:21,421 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_resume [2023-11-12 02:33:21,421 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-12 02:33:21,421 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2023-11-12 02:33:21,422 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2023-11-12 02:33:21,422 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-12 02:33:21,422 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-12 02:33:21,422 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_read_cmd [2023-11-12 02:33:21,422 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-12 02:33:21,422 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_intfdata_2 [2023-11-12 02:33:21,422 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_intfdata_2 [2023-11-12 02:33:21,423 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 02:33:21,423 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_status [2023-11-12 02:33:21,423 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_status [2023-11-12 02:33:21,423 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-12 02:33:21,423 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-12 02:33:21,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-12 02:33:21,424 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_start_rx_path [2023-11-12 02:33:21,424 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_start_rx_path [2023-11-12 02:33:21,424 INFO L130 BoogieDeclarations]: Found specification of procedure __smsc95xx_mdio_read [2023-11-12 02:33:21,424 INFO L138 BoogieDeclarations]: Found implementation of procedure __smsc95xx_mdio_read [2023-11-12 02:33:21,424 INFO L130 BoogieDeclarations]: Found specification of procedure __smsc95xx_write_reg [2023-11-12 02:33:21,424 INFO L138 BoogieDeclarations]: Found implementation of procedure __smsc95xx_write_reg [2023-11-12 02:33:21,424 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_eeprom_confirm_not_busy [2023-11-12 02:33:21,425 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_eeprom_confirm_not_busy [2023-11-12 02:33:21,425 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_set_features [2023-11-12 02:33:21,425 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_set_features [2023-11-12 02:33:21,425 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_manage_power [2023-11-12 02:33:21,425 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_manage_power [2023-11-12 02:33:21,425 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_rx_fixup [2023-11-12 02:33:21,426 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_rx_fixup [2023-11-12 02:33:21,426 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_wait_eeprom [2023-11-12 02:33:21,426 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_wait_eeprom [2023-11-12 02:33:21,426 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 02:33:21,426 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 02:33:21,426 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 02:33:22,228 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 02:33:22,235 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 02:33:22,817 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-12 02:33:33,581 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 02:33:33,609 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 02:33:33,610 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-12 02:33:33,615 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:33:33 BoogieIcfgContainer [2023-11-12 02:33:33,615 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 02:33:33,619 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 02:33:33,619 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 02:33:33,623 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 02:33:33,623 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 02:33:17" (1/3) ... [2023-11-12 02:33:33,624 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19cd000b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:33:33, skipping insertion in model container [2023-11-12 02:33:33,624 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:33:20" (2/3) ... [2023-11-12 02:33:33,626 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19cd000b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:33:33, skipping insertion in model container [2023-11-12 02:33:33,626 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:33:33" (3/3) ... [2023-11-12 02:33:33,627 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.12-rc1.tar.xz-144_2a-drivers--net--usb--smsc95xx.ko-entry_point.cil.out.i [2023-11-12 02:33:33,647 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 02:33:33,648 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 02:33:33,766 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 02:33:33,774 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;@7e457f40, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-12 02:33:33,774 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 02:33:33,796 INFO L276 IsEmpty]: Start isEmpty. Operand has 2039 states, 1545 states have (on average 1.4744336569579288) internal successors, (2278), 1561 states have internal predecessors, (2278), 425 states have call successors, (425), 68 states have call predecessors, (425), 67 states have return successors, (419), 419 states have call predecessors, (419), 419 states have call successors, (419) [2023-11-12 02:33:33,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2023-11-12 02:33:33,837 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:33:33,838 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:33:33,840 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:33:33,849 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:33:33,850 INFO L85 PathProgramCache]: Analyzing trace with hash -2006911543, now seen corresponding path program 1 times [2023-11-12 02:33:33,862 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:33:33,862 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1690603332] [2023-11-12 02:33:33,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:33:33,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:33:34,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:35,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-12 02:33:35,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:35,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-12 02:33:35,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:35,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-12 02:33:35,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:35,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-12 02:33:35,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:35,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-11-12 02:33:35,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:35,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-12 02:33:35,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:35,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-12 02:33:35,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:35,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2023-11-12 02:33:35,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:35,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-11-12 02:33:35,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:35,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-11-12 02:33:35,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:35,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2023-11-12 02:33:35,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:35,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-11-12 02:33:35,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:35,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2023-11-12 02:33:35,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:35,322 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked. [2023-11-12 02:33:35,323 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:33:35,323 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1690603332] [2023-11-12 02:33:35,324 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1690603332] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:33:35,324 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:33:35,324 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-12 02:33:35,326 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [919928883] [2023-11-12 02:33:35,328 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:33:35,334 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-12 02:33:35,334 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:33:35,380 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-12 02:33:35,381 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-12 02:33:35,390 INFO L87 Difference]: Start difference. First operand has 2039 states, 1545 states have (on average 1.4744336569579288) internal successors, (2278), 1561 states have internal predecessors, (2278), 425 states have call successors, (425), 68 states have call predecessors, (425), 67 states have return successors, (419), 419 states have call predecessors, (419), 419 states have call successors, (419) Second operand has 5 states, 5 states have (on average 7.0) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-11-12 02:33:36,934 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 02:33:38,651 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.72s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 02:33:39,725 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 02:33:46,166 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 02:33:48,625 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 02:33:50,493 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.69s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 02:33:53,811 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.59s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 02:33:57,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:33:57,979 INFO L93 Difference]: Finished difference Result 6227 states and 9716 transitions. [2023-11-12 02:33:57,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-12 02:33:57,982 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 95 [2023-11-12 02:33:57,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:33:58,050 INFO L225 Difference]: With dead ends: 6227 [2023-11-12 02:33:58,051 INFO L226 Difference]: Without dead ends: 4157 [2023-11-12 02:33:58,075 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-12 02:33:58,082 INFO L413 NwaCegarLoop]: 2889 mSDtfsCounter, 3600 mSDsluCounter, 6153 mSDsCounter, 0 mSdLazyCounter, 2278 mSolverCounterSat, 1859 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3845 SdHoareTripleChecker+Valid, 9042 SdHoareTripleChecker+Invalid, 4137 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1859 IncrementalHoareTripleChecker+Valid, 2278 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.8s IncrementalHoareTripleChecker+Time [2023-11-12 02:33:58,088 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3845 Valid, 9042 Invalid, 4137 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1859 Valid, 2278 Invalid, 0 Unknown, 0 Unchecked, 21.8s Time] [2023-11-12 02:33:58,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4157 states. [2023-11-12 02:33:58,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4157 to 3964. [2023-11-12 02:33:58,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3964 states, 3021 states have (on average 1.4481959616021185) internal successors, (4375), 3032 states have internal predecessors, (4375), 810 states have call successors, (810), 133 states have call predecessors, (810), 132 states have return successors, (804), 804 states have call predecessors, (804), 804 states have call successors, (804) [2023-11-12 02:33:58,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3964 states to 3964 states and 5989 transitions. [2023-11-12 02:33:58,563 INFO L78 Accepts]: Start accepts. Automaton has 3964 states and 5989 transitions. Word has length 95 [2023-11-12 02:33:58,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:33:58,565 INFO L495 AbstractCegarLoop]: Abstraction has 3964 states and 5989 transitions. [2023-11-12 02:33:58,565 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-11-12 02:33:58,566 INFO L276 IsEmpty]: Start isEmpty. Operand 3964 states and 5989 transitions. [2023-11-12 02:33:58,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2023-11-12 02:33:58,578 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:33:58,578 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:33:58,578 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-12 02:33:58,579 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:33:58,580 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:33:58,580 INFO L85 PathProgramCache]: Analyzing trace with hash -1989530759, now seen corresponding path program 1 times [2023-11-12 02:33:58,580 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:33:58,580 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1551282192] [2023-11-12 02:33:58,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:33:58,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:33:58,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:58,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-12 02:33:58,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:58,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-12 02:33:58,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:58,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-12 02:33:58,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:58,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-12 02:33:59,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:59,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-11-12 02:33:59,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:59,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-12 02:33:59,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:59,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-12 02:33:59,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:59,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2023-11-12 02:33:59,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:59,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-11-12 02:33:59,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:59,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-11-12 02:33:59,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:59,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2023-11-12 02:33:59,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:59,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-11-12 02:33:59,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:59,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2023-11-12 02:33:59,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:59,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2023-11-12 02:33:59,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:59,177 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked. [2023-11-12 02:33:59,178 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:33:59,178 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1551282192] [2023-11-12 02:33:59,178 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1551282192] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:33:59,178 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:33:59,179 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-12 02:33:59,179 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1168316054] [2023-11-12 02:33:59,179 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:33:59,180 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-12 02:33:59,181 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:33:59,182 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-12 02:33:59,182 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-12 02:33:59,183 INFO L87 Difference]: Start difference. First operand 3964 states and 5989 transitions. Second operand has 5 states, 5 states have (on average 8.6) internal successors, (43), 3 states have internal predecessors, (43), 2 states have call successors, (16), 4 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2023-11-12 02:34:03,721 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.86s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []