./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--xen--xen-pciback--xen-pciback.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e7bb482b 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_13befde0-a510-4817-a7ae-c3fd8075fe61/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13befde0-a510-4817-a7ae-c3fd8075fe61/bin/uautomizer-verify-WvqO1wxjHP/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13befde0-a510-4817-a7ae-c3fd8075fe61/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13befde0-a510-4817-a7ae-c3fd8075fe61/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--xen--xen-pciback--xen-pciback.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13befde0-a510-4817-a7ae-c3fd8075fe61/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13befde0-a510-4817-a7ae-c3fd8075fe61/bin/uautomizer-verify-WvqO1wxjHP --witnessprinter.witness.filename witness.graphml --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 b2b9d7c72382c88f92aefc9c5aa67795926d510c5f9617bff26079bf313eaacc --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 21:57:07,257 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 21:57:07,380 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13befde0-a510-4817-a7ae-c3fd8075fe61/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-06 21:57:07,389 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 21:57:07,390 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 21:57:07,447 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 21:57:07,447 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 21:57:07,448 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 21:57:07,449 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 21:57:07,454 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 21:57:07,456 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 21:57:07,456 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 21:57:07,457 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 21:57:07,458 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 21:57:07,459 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 21:57:07,459 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 21:57:07,460 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 21:57:07,460 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 21:57:07,461 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 21:57:07,461 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 21:57:07,461 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 21:57:07,462 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 21:57:07,463 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 21:57:07,463 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 21:57:07,464 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 21:57:07,464 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 21:57:07,465 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 21:57:07,465 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 21:57:07,465 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 21:57:07,466 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 21:57:07,467 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 21:57:07,468 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 21:57:07,468 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 21:57:07,468 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 21:57:07,468 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 21:57:07,468 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 21:57:07,469 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_13befde0-a510-4817-a7ae-c3fd8075fe61/bin/uautomizer-verify-WvqO1wxjHP/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13befde0-a510-4817-a7ae-c3fd8075fe61/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b2b9d7c72382c88f92aefc9c5aa67795926d510c5f9617bff26079bf313eaacc [2023-11-06 21:57:07,822 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 21:57:07,851 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 21:57:07,853 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 21:57:07,855 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 21:57:07,856 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 21:57:07,857 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13befde0-a510-4817-a7ae-c3fd8075fe61/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--xen--xen-pciback--xen-pciback.ko-entry_point.cil.out.i [2023-11-06 21:57:10,835 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 21:57:11,596 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 21:57:11,596 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13befde0-a510-4817-a7ae-c3fd8075fe61/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--xen--xen-pciback--xen-pciback.ko-entry_point.cil.out.i [2023-11-06 21:57:11,663 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13befde0-a510-4817-a7ae-c3fd8075fe61/bin/uautomizer-verify-WvqO1wxjHP/data/65bb817d8/995d1bff0ebf47589db8e6142acbd59f/FLAGde69d62f3 [2023-11-06 21:57:11,680 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13befde0-a510-4817-a7ae-c3fd8075fe61/bin/uautomizer-verify-WvqO1wxjHP/data/65bb817d8/995d1bff0ebf47589db8e6142acbd59f [2023-11-06 21:57:11,682 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 21:57:11,684 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 21:57:11,685 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 21:57:11,686 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 21:57:11,692 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 21:57:11,693 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:57:11" (1/1) ... [2023-11-06 21:57:11,694 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@560cac6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:57:11, skipping insertion in model container [2023-11-06 21:57:11,695 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:57:11" (1/1) ... [2023-11-06 21:57:11,902 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 21:57:14,960 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_13befde0-a510-4817-a7ae-c3fd8075fe61/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--xen--xen-pciback--xen-pciback.ko-entry_point.cil.out.i[360255,360268] [2023-11-06 21:57:15,020 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 21:57:15,102 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 21:57:15,224 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"); [2929] [2023-11-06 21:57:15,226 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)); [2936] [2023-11-06 21:57:15,232 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; subl %2, %0; sete %1": "+m" (v->counter), "=qm" (c): "er" (i): "memory"); [3096-3097] [2023-11-06 21:57:15,233 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; xaddb %b0, %1\n": "+q" (__ret), "+m" (v->counter): : "memory", "cc"); [3108-3109] [2023-11-06 21:57:15,234 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; xaddw %w0, %1\n": "+r" (__ret), "+m" (v->counter): : "memory", "cc"); [3112-3113] [2023-11-06 21:57:15,234 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; xaddl %0, %1\n": "+r" (__ret), "+m" (v->counter): : "memory", "cc"); [3116-3117] [2023-11-06 21:57:15,234 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; xaddq %q0, %1\n": "+r" (__ret), "+m" (v->counter): : "memory", "cc"); [3120-3121] [2023-11-06 21:57:15,248 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call hypercall_page+%c3": "=r" (__res), "+r" (__arg1), "+r" (__arg2): [offset] "i" (1056UL): "memory", "r8", "r10", "rdx"); [3454-3455] [2023-11-06 21:57:15,319 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 *)"/home/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--43_2a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/10081/dscv_tempdir/dscv/ri/43_2a/drivers/xen/xen-pciback/pci_stub.c"), "i" (613), "i" (12UL)); [4286-4287] [2023-11-06 21:57:15,322 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [4353] [2023-11-06 21:57:15,324 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [4369] [2023-11-06 21:57:15,418 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 %2, %0; setc %1": "+m" (*addr), "=qm" (c): "Ir" (nr): "memory"); [6239-6240] [2023-11-06 21:57:15,455 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [6848] [2023-11-06 21:57:15,455 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6851] [2023-11-06 21:57:15,456 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6853] [2023-11-06 21:57:15,678 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_13befde0-a510-4817-a7ae-c3fd8075fe61/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--xen--xen-pciback--xen-pciback.ko-entry_point.cil.out.i[360255,360268] [2023-11-06 21:57:15,687 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 21:57:15,884 WARN L672 CHandler]: The function __xadd_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 21:57:15,885 WARN L672 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 21:57:15,892 INFO L206 MainTranslator]: Completed translation [2023-11-06 21:57:15,893 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:57:15 WrapperNode [2023-11-06 21:57:15,893 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 21:57:15,894 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 21:57:15,895 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 21:57:15,895 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 21:57:15,902 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:57:15" (1/1) ... [2023-11-06 21:57:16,050 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:57:15" (1/1) ... [2023-11-06 21:57:16,511 INFO L138 Inliner]: procedures = 437, calls = 4488, calls flagged for inlining = 201, calls inlined = 197, statements flattened = 10127 [2023-11-06 21:57:16,512 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 21:57:16,513 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 21:57:16,513 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 21:57:16,513 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 21:57:16,524 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:57:15" (1/1) ... [2023-11-06 21:57:16,524 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:57:15" (1/1) ... [2023-11-06 21:57:16,562 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:57:15" (1/1) ... [2023-11-06 21:57:16,562 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:57:15" (1/1) ... [2023-11-06 21:57:16,914 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:57:15" (1/1) ... [2023-11-06 21:57:16,957 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:57:15" (1/1) ... [2023-11-06 21:57:17,010 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:57:15" (1/1) ... [2023-11-06 21:57:17,048 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:57:15" (1/1) ... [2023-11-06 21:57:17,114 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 21:57:17,115 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 21:57:17,115 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 21:57:17,116 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 21:57:17,117 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:57:15" (1/1) ... [2023-11-06 21:57:17,123 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 21:57:17,135 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13befde0-a510-4817-a7ae-c3fd8075fe61/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 21:57:17,152 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13befde0-a510-4817-a7ae-c3fd8075fe61/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 21:57:17,168 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13befde0-a510-4817-a7ae-c3fd8075fe61/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 21:57:17,199 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibk_export_device [2023-11-06 21:57:17,199 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibk_export_device [2023-11-06 21:57:17,199 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibk_error_resume [2023-11-06 21:57:17,199 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibk_error_resume [2023-11-06 21:57:17,200 INFO L130 BoogieDeclarations]: Found specification of procedure pci_domain_nr [2023-11-06 21:57:17,200 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_domain_nr [2023-11-06 21:57:17,200 INFO L130 BoogieDeclarations]: Found specification of procedure __xen_pcibk_add_pci_dev [2023-11-06 21:57:17,200 INFO L138 BoogieDeclarations]: Found implementation of procedure __xen_pcibk_add_pci_dev [2023-11-06 21:57:17,200 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-06 21:57:17,201 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-06 21:57:17,201 INFO L130 BoogieDeclarations]: Found specification of procedure HYPERVISOR_physdev_op [2023-11-06 21:57:17,202 INFO L138 BoogieDeclarations]: Found implementation of procedure HYPERVISOR_physdev_op [2023-11-06 21:57:17,202 INFO L130 BoogieDeclarations]: Found specification of procedure read_dev_bar [2023-11-06 21:57:17,202 INFO L138 BoogieDeclarations]: Found implementation of procedure read_dev_bar [2023-11-06 21:57:17,202 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibk_frontend_changed [2023-11-06 21:57:17,203 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibk_frontend_changed [2023-11-06 21:57:17,203 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibk_setup_backend [2023-11-06 21:57:17,204 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibk_setup_backend [2023-11-06 21:57:17,204 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2023-11-06 21:57:17,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2023-11-06 21:57:17,206 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-06 21:57:17,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-06 21:57:17,207 INFO L130 BoogieDeclarations]: Found specification of procedure __xen_pcibk_add_pci_dev___0 [2023-11-06 21:57:17,207 INFO L138 BoogieDeclarations]: Found implementation of procedure __xen_pcibk_add_pci_dev___0 [2023-11-06 21:57:17,207 INFO L130 BoogieDeclarations]: Found specification of procedure device_unlock [2023-11-06 21:57:17,207 INFO L138 BoogieDeclarations]: Found implementation of procedure device_unlock [2023-11-06 21:57:17,207 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_scanf [2023-11-06 21:57:17,207 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_scanf [2023-11-06 21:57:17,207 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_word [2023-11-06 21:57:17,208 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_word [2023-11-06 21:57:17,208 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibk_attach [2023-11-06 21:57:17,208 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibk_attach [2023-11-06 21:57:17,208 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibios_err_to_errno [2023-11-06 21:57:17,208 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibios_err_to_errno [2023-11-06 21:57:17,208 INFO L130 BoogieDeclarations]: Found specification of procedure pcistub_device_id_add [2023-11-06 21:57:17,208 INFO L138 BoogieDeclarations]: Found implementation of procedure pcistub_device_id_add [2023-11-06 21:57:17,209 INFO L130 BoogieDeclarations]: Found specification of procedure __xen_pcibk_get_pci_dev [2023-11-06 21:57:17,209 INFO L138 BoogieDeclarations]: Found implementation of procedure __xen_pcibk_get_pci_dev [2023-11-06 21:57:17,209 INFO L130 BoogieDeclarations]: Found specification of procedure pcistub_remove [2023-11-06 21:57:17,209 INFO L138 BoogieDeclarations]: Found implementation of procedure pcistub_remove [2023-11-06 21:57:17,209 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_2 [2023-11-06 21:57:17,209 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_2 [2023-11-06 21:57:17,210 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2023-11-06 21:57:17,210 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2023-11-06 21:57:17,210 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibk_get_pci_dev [2023-11-06 21:57:17,210 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibk_get_pci_dev [2023-11-06 21:57:17,210 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2023-11-06 21:57:17,210 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2023-11-06 21:57:17,210 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-11-06 21:57:17,211 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibk_control_isr [2023-11-06 21:57:17,211 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibk_control_isr [2023-11-06 21:57:17,211 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2023-11-06 21:57:17,211 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2023-11-06 21:57:17,212 INFO L130 BoogieDeclarations]: Found specification of procedure valid_request [2023-11-06 21:57:17,213 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_request [2023-11-06 21:57:17,213 INFO L130 BoogieDeclarations]: Found specification of procedure __xen_pcibk_release_devices___0 [2023-11-06 21:57:17,213 INFO L138 BoogieDeclarations]: Found implementation of procedure __xen_pcibk_release_devices___0 [2023-11-06 21:57:17,213 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2023-11-06 21:57:17,213 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibk_config_add_field [2023-11-06 21:57:17,214 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibk_config_add_field [2023-11-06 21:57:17,215 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-06 21:57:17,215 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-06 21:57:17,215 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-06 21:57:17,215 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-06 21:57:17,215 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-06 21:57:17,216 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_word [2023-11-06 21:57:17,216 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_word [2023-11-06 21:57:17,216 INFO L130 BoogieDeclarations]: Found specification of procedure pcistub_device_find [2023-11-06 21:57:17,216 INFO L138 BoogieDeclarations]: Found implementation of procedure pcistub_device_find [2023-11-06 21:57:17,216 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2023-11-06 21:57:17,216 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2023-11-06 21:57:17,217 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibk_slot_reset [2023-11-06 21:57:17,217 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibk_slot_reset [2023-11-06 21:57:17,217 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-11-06 21:57:17,217 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-11-06 21:57:17,217 INFO L130 BoogieDeclarations]: Found specification of procedure xen_register_device_domain_owner [2023-11-06 21:57:17,217 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_register_device_domain_owner [2023-11-06 21:57:17,218 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibk_error_detected [2023-11-06 21:57:17,218 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibk_error_detected [2023-11-06 21:57:17,218 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2023-11-06 21:57:17,218 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2023-11-06 21:57:17,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-06 21:57:17,219 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_switch_state [2023-11-06 21:57:17,219 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_switch_state [2023-11-06 21:57:17,219 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2023-11-06 21:57:17,219 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2023-11-06 21:57:17,219 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibk_xenbus_remove [2023-11-06 21:57:17,219 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibk_xenbus_remove [2023-11-06 21:57:17,220 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-06 21:57:17,220 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibk_xenbus_probe [2023-11-06 21:57:17,220 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibk_xenbus_probe [2023-11-06 21:57:17,220 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_15 [2023-11-06 21:57:17,220 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_15 [2023-11-06 21:57:17,220 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_read_driver_state [2023-11-06 21:57:17,220 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_read_driver_state [2023-11-06 21:57:17,221 INFO L130 BoogieDeclarations]: Found specification of procedure pcistub_device_get [2023-11-06 21:57:17,221 INFO L138 BoogieDeclarations]: Found implementation of procedure pcistub_device_get [2023-11-06 21:57:17,221 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibk_release_pci_dev [2023-11-06 21:57:17,221 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibk_release_pci_dev [2023-11-06 21:57:17,221 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2023-11-06 21:57:17,222 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2023-11-06 21:57:17,222 INFO L130 BoogieDeclarations]: Found specification of procedure __pci_reset_function_locked [2023-11-06 21:57:17,222 INFO L138 BoogieDeclarations]: Found implementation of procedure __pci_reset_function_locked [2023-11-06 21:57:17,222 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2023-11-06 21:57:17,223 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2023-11-06 21:57:17,223 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2023-11-06 21:57:17,223 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2023-11-06 21:57:17,223 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2023-11-06 21:57:17,223 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2023-11-06 21:57:17,223 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibk_config_add_fields [2023-11-06 21:57:17,224 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibk_config_add_fields [2023-11-06 21:57:17,224 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2023-11-06 21:57:17,224 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2023-11-06 21:57:17,225 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2023-11-06 21:57:17,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2023-11-06 21:57:17,225 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~$Pointer$~TO~int [2023-11-06 21:57:17,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~$Pointer$~TO~int [2023-11-06 21:57:17,225 INFO L130 BoogieDeclarations]: Found specification of procedure pcistub_probe [2023-11-06 21:57:17,225 INFO L138 BoogieDeclarations]: Found implementation of procedure pcistub_probe [2023-11-06 21:57:17,226 INFO L130 BoogieDeclarations]: Found specification of procedure device_lock [2023-11-06 21:57:17,226 INFO L138 BoogieDeclarations]: Found implementation of procedure device_lock [2023-11-06 21:57:17,226 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-06 21:57:17,226 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2023-11-06 21:57:17,226 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2023-11-06 21:57:17,226 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 21:57:17,227 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-06 21:57:17,227 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_dword [2023-11-06 21:57:17,227 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_dword [2023-11-06 21:57:17,227 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-06 21:57:17,227 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-06 21:57:17,228 INFO L130 BoogieDeclarations]: Found specification of procedure ___ratelimit [2023-11-06 21:57:17,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ___ratelimit [2023-11-06 21:57:17,228 INFO L130 BoogieDeclarations]: Found specification of procedure driver_create_file [2023-11-06 21:57:17,228 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_create_file [2023-11-06 21:57:17,228 INFO L130 BoogieDeclarations]: Found specification of procedure __xen_pcibk_get_pcifront_dev [2023-11-06 21:57:17,228 INFO L138 BoogieDeclarations]: Found implementation of procedure __xen_pcibk_get_pcifront_dev [2023-11-06 21:57:17,228 INFO L130 BoogieDeclarations]: Found specification of procedure pcistub_device_release [2023-11-06 21:57:17,230 INFO L138 BoogieDeclarations]: Found implementation of procedure pcistub_device_release [2023-11-06 21:57:17,231 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2023-11-06 21:57:17,234 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2023-11-06 21:57:17,234 INFO L130 BoogieDeclarations]: Found specification of procedure pcistub_quirk_show [2023-11-06 21:57:17,234 INFO L138 BoogieDeclarations]: Found implementation of procedure pcistub_quirk_show [2023-11-06 21:57:17,235 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-06 21:57:17,235 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-06 21:57:17,235 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibk_disconnect [2023-11-06 21:57:17,236 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibk_disconnect [2023-11-06 21:57:17,236 INFO L130 BoogieDeclarations]: Found specification of procedure down_write [2023-11-06 21:57:17,237 INFO L138 BoogieDeclarations]: Found implementation of procedure down_write [2023-11-06 21:57:17,242 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2023-11-06 21:57:17,242 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2023-11-06 21:57:17,243 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2023-11-06 21:57:17,243 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2023-11-06 21:57:17,243 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_dev_fatal [2023-11-06 21:57:17,243 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_dev_fatal [2023-11-06 21:57:17,243 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 21:57:17,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 21:57:17,243 INFO L130 BoogieDeclarations]: Found specification of procedure pcistub_device_put [2023-11-06 21:57:17,243 INFO L138 BoogieDeclarations]: Found implementation of procedure pcistub_device_put [2023-11-06 21:57:17,244 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2023-11-06 21:57:17,244 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2023-11-06 21:57:17,244 INFO L130 BoogieDeclarations]: Found specification of procedure pcistub_slot_show [2023-11-06 21:57:17,244 INFO L138 BoogieDeclarations]: Found implementation of procedure pcistub_slot_show [2023-11-06 21:57:17,244 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibk_config_read [2023-11-06 21:57:17,244 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibk_config_read [2023-11-06 21:57:17,244 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2023-11-06 21:57:17,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2023-11-06 21:57:17,245 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2023-11-06 21:57:17,245 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2023-11-06 21:57:17,245 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibk_do_op [2023-11-06 21:57:17,245 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibk_do_op [2023-11-06 21:57:17,245 INFO L130 BoogieDeclarations]: Found specification of procedure pcistub_put_pci_dev [2023-11-06 21:57:17,245 INFO L138 BoogieDeclarations]: Found implementation of procedure pcistub_put_pci_dev [2023-11-06 21:57:17,245 INFO L130 BoogieDeclarations]: Found specification of procedure driver_remove_file [2023-11-06 21:57:17,246 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_remove_file [2023-11-06 21:57:17,246 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-06 21:57:17,246 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-06 21:57:17,246 INFO L130 BoogieDeclarations]: Found specification of procedure __xen_pcibk_init_devices [2023-11-06 21:57:17,246 INFO L138 BoogieDeclarations]: Found implementation of procedure __xen_pcibk_init_devices [2023-11-06 21:57:17,246 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_byte [2023-11-06 21:57:17,246 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_byte [2023-11-06 21:57:17,247 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-11-06 21:57:17,247 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-11-06 21:57:17,247 INFO L130 BoogieDeclarations]: Found specification of procedure __xen_pcibk_get_pci_dev___0 [2023-11-06 21:57:17,247 INFO L138 BoogieDeclarations]: Found implementation of procedure __xen_pcibk_get_pci_dev___0 [2023-11-06 21:57:17,247 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-06 21:57:17,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-06 21:57:17,247 INFO L130 BoogieDeclarations]: Found specification of procedure __xen_pcibk_publish_pci_roots [2023-11-06 21:57:17,247 INFO L138 BoogieDeclarations]: Found implementation of procedure __xen_pcibk_publish_pci_roots [2023-11-06 21:57:17,248 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibk_config_free_dyn_fields [2023-11-06 21:57:17,248 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibk_config_free_dyn_fields [2023-11-06 21:57:17,248 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibk_config_free_dev [2023-11-06 21:57:17,248 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibk_config_free_dev [2023-11-06 21:57:17,248 INFO L130 BoogieDeclarations]: Found specification of procedure xen_unregister_device_domain_owner [2023-11-06 21:57:17,248 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_unregister_device_domain_owner [2023-11-06 21:57:17,248 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-06 21:57:17,249 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-06 21:57:17,249 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msix [2023-11-06 21:57:17,249 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msix [2023-11-06 21:57:17,249 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pirq_from_irq [2023-11-06 21:57:17,249 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pirq_from_irq [2023-11-06 21:57:17,249 INFO L130 BoogieDeclarations]: Found specification of procedure __xen_pcibk_get_pcifront_dev___0 [2023-11-06 21:57:17,249 INFO L138 BoogieDeclarations]: Found implementation of procedure __xen_pcibk_get_pcifront_dev___0 [2023-11-06 21:57:17,249 INFO L130 BoogieDeclarations]: Found specification of procedure pcistub_init_device [2023-11-06 21:57:17,250 INFO L138 BoogieDeclarations]: Found implementation of procedure pcistub_init_device [2023-11-06 21:57:17,250 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2023-11-06 21:57:17,250 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2023-11-06 21:57:17,250 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-06 21:57:17,250 INFO L130 BoogieDeclarations]: Found specification of procedure __xen_pcibk_release_devices [2023-11-06 21:57:17,250 INFO L138 BoogieDeclarations]: Found implementation of procedure __xen_pcibk_release_devices [2023-11-06 21:57:17,250 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_printf [2023-11-06 21:57:17,251 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_printf [2023-11-06 21:57:17,251 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-11-06 21:57:17,251 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-11-06 21:57:17,252 INFO L130 BoogieDeclarations]: Found specification of procedure notify_remote_via_irq [2023-11-06 21:57:17,252 INFO L138 BoogieDeclarations]: Found implementation of procedure notify_remote_via_irq [2023-11-06 21:57:17,252 INFO L130 BoogieDeclarations]: Found specification of procedure kill_domain_by_device [2023-11-06 21:57:17,252 INFO L138 BoogieDeclarations]: Found implementation of procedure kill_domain_by_device [2023-11-06 21:57:17,252 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~TO~VOID [2023-11-06 21:57:17,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~TO~VOID [2023-11-06 21:57:17,252 INFO L130 BoogieDeclarations]: Found specification of procedure merge_value [2023-11-06 21:57:17,252 INFO L138 BoogieDeclarations]: Found implementation of procedure merge_value [2023-11-06 21:57:17,253 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-06 21:57:17,253 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibk_mmio_enabled [2023-11-06 21:57:17,253 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibk_mmio_enabled [2023-11-06 21:57:17,253 INFO L130 BoogieDeclarations]: Found specification of procedure xen_find_device_domain_owner [2023-11-06 21:57:17,253 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_find_device_domain_owner [2023-11-06 21:57:17,253 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_2 [2023-11-06 21:57:17,253 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_2 [2023-11-06 21:57:17,253 INFO L130 BoogieDeclarations]: Found specification of procedure up_write [2023-11-06 21:57:17,254 INFO L138 BoogieDeclarations]: Found implementation of procedure up_write [2023-11-06 21:57:17,254 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2023-11-06 21:57:17,254 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2023-11-06 21:57:17,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-06 21:57:17,254 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibk_be_watch [2023-11-06 21:57:17,254 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibk_be_watch [2023-11-06 21:57:17,254 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-06 21:57:17,254 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-06 21:57:17,255 INFO L130 BoogieDeclarations]: Found specification of procedure __xen_pcibk_publish_pci_roots___0 [2023-11-06 21:57:17,255 INFO L138 BoogieDeclarations]: Found implementation of procedure __xen_pcibk_publish_pci_roots___0 [2023-11-06 21:57:17,255 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_byte [2023-11-06 21:57:17,255 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_byte [2023-11-06 21:57:17,255 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2023-11-06 21:57:17,255 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2023-11-06 21:57:17,255 INFO L130 BoogieDeclarations]: Found specification of procedure permissive_show [2023-11-06 21:57:17,255 INFO L138 BoogieDeclarations]: Found implementation of procedure permissive_show [2023-11-06 21:57:17,256 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2023-11-06 21:57:17,256 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2023-11-06 21:57:17,256 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2023-11-06 21:57:17,256 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2023-11-06 21:57:17,256 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2023-11-06 21:57:17,256 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2023-11-06 21:57:17,256 INFO L130 BoogieDeclarations]: Found specification of procedure pcistub_irq_handler_show [2023-11-06 21:57:17,256 INFO L138 BoogieDeclarations]: Found implementation of procedure pcistub_irq_handler_show [2023-11-06 21:57:17,257 INFO L130 BoogieDeclarations]: Found specification of procedure common_process [2023-11-06 21:57:17,257 INFO L138 BoogieDeclarations]: Found implementation of procedure common_process [2023-11-06 21:57:17,257 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2023-11-06 21:57:17,257 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2023-11-06 21:57:17,257 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibk_config_add_field_offset [2023-11-06 21:57:17,257 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibk_config_add_field_offset [2023-11-06 21:57:17,257 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_dword [2023-11-06 21:57:17,257 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_dword [2023-11-06 21:57:17,258 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2023-11-06 21:57:17,258 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2023-11-06 21:57:17,258 INFO L130 BoogieDeclarations]: Found specification of procedure str_to_slot [2023-11-06 21:57:17,258 INFO L138 BoogieDeclarations]: Found implementation of procedure str_to_slot [2023-11-06 21:57:17,259 INFO L130 BoogieDeclarations]: Found specification of procedure pci_restore_state [2023-11-06 21:57:17,263 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_restore_state [2023-11-06 21:57:17,263 INFO L130 BoogieDeclarations]: Found specification of procedure pcistub_exit [2023-11-06 21:57:17,263 INFO L138 BoogieDeclarations]: Found implementation of procedure pcistub_exit [2023-11-06 21:57:17,263 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~X~int~X~int~TO~int [2023-11-06 21:57:17,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~X~int~X~int~TO~int [2023-11-06 21:57:17,263 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2023-11-06 21:57:17,263 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2023-11-06 21:57:17,263 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-06 21:57:17,264 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-06 21:57:17,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-06 21:57:17,266 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_pr_debug [2023-11-06 21:57:17,266 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_pr_debug [2023-11-06 21:57:17,266 INFO L130 BoogieDeclarations]: Found specification of procedure pcistub_device_get_pci_dev [2023-11-06 21:57:17,266 INFO L138 BoogieDeclarations]: Found implementation of procedure pcistub_device_get_pci_dev [2023-11-06 21:57:17,266 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-06 21:57:17,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-06 21:57:17,266 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibk_reset_device [2023-11-06 21:57:17,267 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibk_reset_device [2023-11-06 21:57:17,267 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibk_test_and_schedule_op [2023-11-06 21:57:17,267 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibk_test_and_schedule_op [2023-11-06 21:57:17,267 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2023-11-06 21:57:17,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2023-11-06 21:57:17,267 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2023-11-06 21:57:17,267 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2023-11-06 21:57:17,267 INFO L130 BoogieDeclarations]: Found specification of procedure scnprintf [2023-11-06 21:57:17,268 INFO L138 BoogieDeclarations]: Found implementation of procedure scnprintf [2023-11-06 21:57:17,268 INFO L130 BoogieDeclarations]: Found specification of procedure register_capability [2023-11-06 21:57:17,268 INFO L138 BoogieDeclarations]: Found implementation of procedure register_capability [2023-11-06 21:57:17,268 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibk_config_add_fields_offset [2023-11-06 21:57:17,268 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibk_config_add_fields_offset [2023-11-06 21:57:17,268 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_2 [2023-11-06 21:57:17,268 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_2 [2023-11-06 21:57:17,269 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-11-06 21:57:17,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-11-06 21:57:17,269 INFO L130 BoogieDeclarations]: Found specification of procedure pci_is_enabled [2023-11-06 21:57:17,269 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_is_enabled [2023-11-06 21:57:17,269 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2023-11-06 21:57:17,269 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2023-11-06 21:57:17,269 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 21:57:17,269 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibk_publish_pci_roots [2023-11-06 21:57:17,269 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibk_publish_pci_roots [2023-11-06 21:57:17,270 INFO L130 BoogieDeclarations]: Found specification of procedure __xen_pcibk_init_devices___0 [2023-11-06 21:57:17,270 INFO L138 BoogieDeclarations]: Found implementation of procedure __xen_pcibk_init_devices___0 [2023-11-06 21:57:17,270 INFO L130 BoogieDeclarations]: Found specification of procedure get_mask [2023-11-06 21:57:17,270 INFO L138 BoogieDeclarations]: Found implementation of procedure get_mask [2023-11-06 21:57:18,592 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 21:57:18,597 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 21:57:23,432 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-06 21:57:40,160 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 21:57:40,194 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 21:57:40,194 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-06 21:57:40,200 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:57:40 BoogieIcfgContainer [2023-11-06 21:57:40,201 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 21:57:40,204 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 21:57:40,204 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 21:57:40,208 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 21:57:40,208 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 09:57:11" (1/3) ... [2023-11-06 21:57:40,211 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55dac28c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:57:40, skipping insertion in model container [2023-11-06 21:57:40,211 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:57:15" (2/3) ... [2023-11-06 21:57:40,212 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55dac28c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:57:40, skipping insertion in model container [2023-11-06 21:57:40,212 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:57:40" (3/3) ... [2023-11-06 21:57:40,214 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--xen--xen-pciback--xen-pciback.ko-entry_point.cil.out.i [2023-11-06 21:57:40,234 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 21:57:40,234 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 21:57:40,385 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 21:57:40,391 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=LoopsAndPotentialCycles, 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;@a2fcd4e, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 21:57:40,392 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-06 21:57:40,408 INFO L276 IsEmpty]: Start isEmpty. Operand has 3363 states, 2337 states have (on average 1.378262729995721) internal successors, (3221), 2453 states have internal predecessors, (3221), 877 states have call successors, (877), 148 states have call predecessors, (877), 147 states have return successors, (862), 840 states have call predecessors, (862), 862 states have call successors, (862) [2023-11-06 21:57:40,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 359 [2023-11-06 21:57:40,446 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 21:57:40,447 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 21:57:40,448 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 21:57:40,453 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 21:57:40,454 INFO L85 PathProgramCache]: Analyzing trace with hash 1624756908, now seen corresponding path program 1 times [2023-11-06 21:57:40,464 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 21:57:40,465 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [772509230] [2023-11-06 21:57:40,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:57:40,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 21:57:41,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:57:41,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-06 21:57:41,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:57:42,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:57:42,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:57:42,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 21:57:42,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:57:42,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-06 21:57:42,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:57:42,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:57:42,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:57:42,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 21:57:42,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:57:42,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-06 21:57:42,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:57:42,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:57:42,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:57:42,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 21:57:42,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:57:42,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-11-06 21:57:42,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:57:42,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:57:42,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:57:42,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 21:57:42,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:57:42,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-11-06 21:57:42,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:57:42,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:57:42,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:57:42,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 21:57:42,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:57:42,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-11-06 21:57:42,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:57:42,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:57:42,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:57:42,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 21:57:42,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:57:42,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-11-06 21:57:42,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:57:42,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:57:42,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:57:42,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 21:57:42,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:57:42,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2023-11-06 21:57:42,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:57:42,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:57:42,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:57:42,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 21:57:42,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:57:42,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2023-11-06 21:57:42,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:57:42,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:57:42,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:57:42,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 21:57:42,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:57:42,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2023-11-06 21:57:42,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:57:42,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:57:42,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:57:42,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 21:57:42,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:57:42,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2023-11-06 21:57:42,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:57:42,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:57:42,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:57:42,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 21:57:42,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:57:42,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2023-11-06 21:57:42,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:57:42,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:57:42,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:57:42,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 21:57:42,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:57:42,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2023-11-06 21:57:42,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:57:42,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:57:42,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:57:42,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 21:57:42,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:57:42,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2023-11-06 21:57:42,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:57:42,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:57:42,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:57:42,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 21:57:42,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:57:42,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-11-06 21:57:42,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:57:42,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:57:42,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:57:42,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 21:57:42,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:57:42,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2023-11-06 21:57:42,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:57:42,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:57:42,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:57:42,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 21:57:42,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:57:42,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2023-11-06 21:57:42,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:57:42,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:57:42,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:57:42,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 21:57:42,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:57:42,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2023-11-06 21:57:42,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:57:42,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2023-11-06 21:57:42,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:57:42,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2023-11-06 21:57:42,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:57:42,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2023-11-06 21:57:42,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:57:42,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2023-11-06 21:57:42,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:57:43,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2023-11-06 21:57:43,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:57:43,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2023-11-06 21:57:43,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:57:43,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2023-11-06 21:57:43,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:57:43,129 INFO L134 CoverageAnalysis]: Checked inductivity of 2009 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2009 trivial. 0 not checked. [2023-11-06 21:57:43,129 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 21:57:43,130 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [772509230] [2023-11-06 21:57:43,130 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [772509230] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 21:57:43,131 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 21:57:43,131 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-06 21:57:43,133 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1145934814] [2023-11-06 21:57:43,134 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 21:57:43,142 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 21:57:43,147 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 21:57:43,187 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 21:57:43,187 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2023-11-06 21:57:43,198 INFO L87 Difference]: Start difference. First operand has 3363 states, 2337 states have (on average 1.378262729995721) internal successors, (3221), 2453 states have internal predecessors, (3221), 877 states have call successors, (877), 148 states have call predecessors, (877), 147 states have return successors, (862), 840 states have call predecessors, (862), 862 states have call successors, (862) Second operand has 6 states, 6 states have (on average 11.5) internal successors, (69), 2 states have internal predecessors, (69), 2 states have call successors, (30), 6 states have call predecessors, (30), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2023-11-06 21:57:47,479 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 21:57:49,486 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 21:57:51,485 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 21:57:53,324 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.84s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 21:57:54,724 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 21:57:56,731 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 21:57:58,371 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.64s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 21:58:00,381 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 21:58:02,389 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 21:58:04,231 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.83s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 21:58:15,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 21:58:15,779 INFO L93 Difference]: Finished difference Result 7122 states and 10804 transitions. [2023-11-06 21:58:15,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 21:58:15,782 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.5) internal successors, (69), 2 states have internal predecessors, (69), 2 states have call successors, (30), 6 states have call predecessors, (30), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 358 [2023-11-06 21:58:15,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 21:58:15,858 INFO L225 Difference]: With dead ends: 7122 [2023-11-06 21:58:15,858 INFO L226 Difference]: Without dead ends: 3735 [2023-11-06 21:58:15,898 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2023-11-06 21:58:15,907 INFO L413 NwaCegarLoop]: 4144 mSDtfsCounter, 2120 mSDsluCounter, 2623 mSDsCounter, 0 mSdLazyCounter, 2387 mSolverCounterSat, 2143 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 30.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2315 SdHoareTripleChecker+Valid, 6767 SdHoareTripleChecker+Invalid, 4535 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2143 IncrementalHoareTripleChecker+Valid, 2387 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 31.8s IncrementalHoareTripleChecker+Time [2023-11-06 21:58:15,908 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2315 Valid, 6767 Invalid, 4535 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2143 Valid, 2387 Invalid, 5 Unknown, 0 Unchecked, 31.8s Time] [2023-11-06 21:58:15,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3735 states. [2023-11-06 21:58:16,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3735 to 3334. [2023-11-06 21:58:16,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3334 states, 2326 states have (on average 1.3710232158211522) internal successors, (3189), 2425 states have internal predecessors, (3189), 861 states have call successors, (861), 147 states have call predecessors, (861), 146 states have return successors, (859), 837 states have call predecessors, (859), 859 states have call successors, (859) [2023-11-06 21:58:16,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3334 states to 3334 states and 4909 transitions. [2023-11-06 21:58:16,305 INFO L78 Accepts]: Start accepts. Automaton has 3334 states and 4909 transitions. Word has length 358 [2023-11-06 21:58:16,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 21:58:16,307 INFO L495 AbstractCegarLoop]: Abstraction has 3334 states and 4909 transitions. [2023-11-06 21:58:16,307 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.5) internal successors, (69), 2 states have internal predecessors, (69), 2 states have call successors, (30), 6 states have call predecessors, (30), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2023-11-06 21:58:16,308 INFO L276 IsEmpty]: Start isEmpty. Operand 3334 states and 4909 transitions. [2023-11-06 21:58:16,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 359 [2023-11-06 21:58:16,324 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 21:58:16,324 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 21:58:16,325 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-06 21:58:16,325 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 21:58:16,326 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 21:58:16,326 INFO L85 PathProgramCache]: Analyzing trace with hash 2219086, now seen corresponding path program 1 times [2023-11-06 21:58:16,326 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 21:58:16,326 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [386036108] [2023-11-06 21:58:16,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:58:16,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 21:58:16,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:58:17,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-06 21:58:17,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:58:17,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:58:17,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:58:17,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 21:58:17,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:58:17,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-06 21:58:17,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:58:17,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:58:17,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:58:17,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 21:58:17,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:58:17,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-06 21:58:17,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:58:17,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:58:17,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:58:17,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 21:58:17,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:58:17,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-11-06 21:58:17,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:58:17,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:58:17,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:58:17,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 21:58:17,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:58:17,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-11-06 21:58:17,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:58:17,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:58:17,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:58:17,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 21:58:17,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:58:17,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-11-06 21:58:17,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:58:17,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:58:17,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:58:17,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 21:58:17,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:58:17,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-11-06 21:58:17,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:58:17,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:58:17,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:58:17,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 21:58:17,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:58:17,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2023-11-06 21:58:17,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:58:17,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:58:17,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:58:17,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 21:58:17,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:58:17,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2023-11-06 21:58:17,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:58:17,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:58:17,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:58:17,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 21:58:17,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:58:17,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2023-11-06 21:58:17,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:58:17,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:58:17,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:58:17,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 21:58:17,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:58:17,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2023-11-06 21:58:17,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:58:17,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:58:17,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:58:17,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 21:58:17,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:58:17,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2023-11-06 21:58:17,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:58:17,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:58:17,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:58:17,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 21:58:17,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:58:17,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2023-11-06 21:58:17,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:58:17,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:58:17,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:58:17,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 21:58:17,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:58:17,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2023-11-06 21:58:17,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:58:17,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:58:17,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:58:17,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 21:58:17,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:58:17,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-11-06 21:58:17,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:58:17,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:58:17,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:58:17,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 21:58:17,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:58:17,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2023-11-06 21:58:17,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:58:17,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:58:17,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:58:17,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 21:58:17,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:58:17,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2023-11-06 21:58:17,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:58:17,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:58:17,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:58:17,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 21:58:17,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:58:17,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2023-11-06 21:58:17,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:58:17,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2023-11-06 21:58:17,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:58:18,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2023-11-06 21:58:18,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:58:18,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2023-11-06 21:58:18,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:58:18,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2023-11-06 21:58:18,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:58:18,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2023-11-06 21:58:18,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:58:18,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2023-11-06 21:58:18,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:58:18,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2023-11-06 21:58:18,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:58:18,168 INFO L134 CoverageAnalysis]: Checked inductivity of 2009 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2009 trivial. 0 not checked. [2023-11-06 21:58:18,168 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 21:58:18,169 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [386036108] [2023-11-06 21:58:18,169 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [386036108] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 21:58:18,169 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 21:58:18,169 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-06 21:58:18,170 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1809688990] [2023-11-06 21:58:18,170 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 21:58:18,173 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-06 21:58:18,174 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 21:58:18,176 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-06 21:58:18,176 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2023-11-06 21:58:18,176 INFO L87 Difference]: Start difference. First operand 3334 states and 4909 transitions. Second operand has 7 states, 7 states have (on average 9.857142857142858) internal successors, (69), 3 states have internal predecessors, (69), 2 states have call successors, (30), 6 states have call predecessors, (30), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2023-11-06 21:58:23,640 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 21:58:25,646 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 21:58:27,655 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 21:58:29,663 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 21:58:33,489 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 21:58:35,497 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 21:58:37,531 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 21:58:39,537 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 21:58:54,476 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 21:58:55,791 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 21:58:57,799 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 21:58:59,804 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 21:59:03,166 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 21:59:05,171 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 21:59:07,181 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 21:59:09,196 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 21:59:11,204 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 21:59:22,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 21:59:22,984 INFO L93 Difference]: Finished difference Result 10669 states and 15954 transitions. [2023-11-06 21:59:22,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-06 21:59:22,985 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.857142857142858) internal successors, (69), 3 states have internal predecessors, (69), 2 states have call successors, (30), 6 states have call predecessors, (30), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 358 [2023-11-06 21:59:22,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 21:59:23,071 INFO L225 Difference]: With dead ends: 10669 [2023-11-06 21:59:23,071 INFO L226 Difference]: Without dead ends: 7387 [2023-11-06 21:59:23,105 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2023-11-06 21:59:23,107 INFO L413 NwaCegarLoop]: 4061 mSDtfsCounter, 9396 mSDsluCounter, 9848 mSDsCounter, 0 mSdLazyCounter, 5942 mSolverCounterSat, 6718 mSolverCounterUnsat, 16 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 61.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10202 SdHoareTripleChecker+Valid, 13909 SdHoareTripleChecker+Invalid, 12676 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 6718 IncrementalHoareTripleChecker+Valid, 5942 IncrementalHoareTripleChecker+Invalid, 16 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 63.8s IncrementalHoareTripleChecker+Time [2023-11-06 21:59:23,110 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10202 Valid, 13909 Invalid, 12676 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [6718 Valid, 5942 Invalid, 16 Unknown, 0 Unchecked, 63.8s Time] [2023-11-06 21:59:23,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7387 states. [2023-11-06 21:59:23,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7387 to 6580. [2023-11-06 21:59:23,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6580 states, 4599 states have (on average 1.3742117851706892) internal successors, (6320), 4798 states have internal predecessors, (6320), 1688 states have call successors, (1688), 293 states have call predecessors, (1688), 292 states have return successors, (1685), 1640 states have call predecessors, (1685), 1685 states have call successors, (1685) [2023-11-06 21:59:23,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6580 states to 6580 states and 9693 transitions. [2023-11-06 21:59:23,598 INFO L78 Accepts]: Start accepts. Automaton has 6580 states and 9693 transitions. Word has length 358 [2023-11-06 21:59:23,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 21:59:23,602 INFO L495 AbstractCegarLoop]: Abstraction has 6580 states and 9693 transitions. [2023-11-06 21:59:23,603 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.857142857142858) internal successors, (69), 3 states have internal predecessors, (69), 2 states have call successors, (30), 6 states have call predecessors, (30), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2023-11-06 21:59:23,603 INFO L276 IsEmpty]: Start isEmpty. Operand 6580 states and 9693 transitions. [2023-11-06 21:59:23,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 375 [2023-11-06 21:59:23,615 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 21:59:23,616 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 21:59:23,616 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-06 21:59:23,616 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 21:59:23,616 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 21:59:23,617 INFO L85 PathProgramCache]: Analyzing trace with hash -910451979, now seen corresponding path program 1 times [2023-11-06 21:59:23,617 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 21:59:23,617 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1109481390] [2023-11-06 21:59:23,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:59:23,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 21:59:24,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:59:24,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-06 21:59:24,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:59:24,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:59:24,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:59:24,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 21:59:24,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:59:24,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-06 21:59:24,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:59:24,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:59:24,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:59:24,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 21:59:24,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:59:24,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-06 21:59:24,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:59:24,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:59:24,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:59:24,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 21:59:24,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:59:24,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-11-06 21:59:24,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:59:24,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:59:24,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:59:24,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 21:59:24,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:59:24,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-11-06 21:59:24,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:59:24,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:59:24,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:59:24,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 21:59:24,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:59:24,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-11-06 21:59:24,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:59:24,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:59:24,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:59:24,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 21:59:24,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:59:24,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-11-06 21:59:24,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:59:24,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:59:24,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:59:24,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 21:59:24,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:59:24,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2023-11-06 21:59:24,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:59:24,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:59:24,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:59:24,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 21:59:24,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:59:24,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2023-11-06 21:59:24,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:59:24,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:59:24,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:59:24,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 21:59:24,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:59:24,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2023-11-06 21:59:24,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:59:24,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:59:24,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:59:24,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 21:59:24,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:59:24,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2023-11-06 21:59:24,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:59:24,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:59:24,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:59:24,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 21:59:24,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:59:24,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2023-11-06 21:59:24,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:59:24,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:59:24,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:59:24,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 21:59:24,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:59:24,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2023-11-06 21:59:24,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:59:24,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:59:24,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:59:24,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 21:59:24,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:59:24,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2023-11-06 21:59:24,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:59:24,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:59:24,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:59:24,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 21:59:24,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:59:24,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-11-06 21:59:24,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:59:24,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:59:24,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:59:24,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 21:59:24,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:59:24,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2023-11-06 21:59:24,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:59:24,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:59:24,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:59:24,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 21:59:24,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:59:25,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2023-11-06 21:59:25,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:59:25,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:59:25,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:59:25,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 21:59:25,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:59:25,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2023-11-06 21:59:25,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:59:25,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2023-11-06 21:59:25,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:59:25,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2023-11-06 21:59:25,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:59:25,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2023-11-06 21:59:25,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:59:25,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2023-11-06 21:59:25,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:59:25,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2023-11-06 21:59:25,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:59:25,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2023-11-06 21:59:25,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:59:25,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2023-11-06 21:59:25,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:59:25,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 21:59:25,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:59:25,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-06 21:59:25,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:59:25,210 INFO L134 CoverageAnalysis]: Checked inductivity of 2009 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2009 trivial. 0 not checked. [2023-11-06 21:59:25,210 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 21:59:25,210 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1109481390] [2023-11-06 21:59:25,211 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1109481390] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 21:59:25,211 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 21:59:25,211 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-06 21:59:25,211 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1308495438] [2023-11-06 21:59:25,212 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 21:59:25,213 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-06 21:59:25,213 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 21:59:25,214 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-06 21:59:25,214 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2023-11-06 21:59:25,215 INFO L87 Difference]: Start difference. First operand 6580 states and 9693 transitions. Second operand has 7 states, 7 states have (on average 11.714285714285714) internal successors, (82), 3 states have internal predecessors, (82), 2 states have call successors, (31), 6 states have call predecessors, (31), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2023-11-06 21:59:31,389 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 21:59:33,395 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 21:59:35,729 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 21:59:36,971 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 21:59:38,835 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.86s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 21:59:52,861 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 21:59:54,236 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:00:12,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:00:12,586 INFO L93 Difference]: Finished difference Result 21898 states and 32795 transitions. [2023-11-06 22:00:12,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-06 22:00:12,586 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.714285714285714) internal successors, (82), 3 states have internal predecessors, (82), 2 states have call successors, (31), 6 states have call predecessors, (31), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 374 [2023-11-06 22:00:12,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:00:12,734 INFO L225 Difference]: With dead ends: 21898 [2023-11-06 22:00:12,735 INFO L226 Difference]: Without dead ends: 15370 [2023-11-06 22:00:12,782 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=71, Invalid=139, Unknown=0, NotChecked=0, Total=210 [2023-11-06 22:00:12,784 INFO L413 NwaCegarLoop]: 2168 mSDtfsCounter, 12769 mSDsluCounter, 5458 mSDsCounter, 0 mSdLazyCounter, 11172 mSolverCounterSat, 8473 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 42.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13574 SdHoareTripleChecker+Valid, 7626 SdHoareTripleChecker+Invalid, 19649 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 8473 IncrementalHoareTripleChecker+Valid, 11172 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 45.8s IncrementalHoareTripleChecker+Time [2023-11-06 22:00:12,784 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13574 Valid, 7626 Invalid, 19649 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [8473 Valid, 11172 Invalid, 4 Unknown, 0 Unchecked, 45.8s Time] [2023-11-06 22:00:12,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15370 states. [2023-11-06 22:00:13,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15370 to 13001. [2023-11-06 22:00:13,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13001 states, 9082 states have (on average 1.3739264479189606) internal successors, (12478), 9477 states have internal predecessors, (12478), 3334 states have call successors, (3334), 585 states have call predecessors, (3334), 584 states have return successors, (3329), 3238 states have call predecessors, (3329), 3329 states have call successors, (3329) [2023-11-06 22:00:13,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13001 states to 13001 states and 19141 transitions. [2023-11-06 22:00:13,992 INFO L78 Accepts]: Start accepts. Automaton has 13001 states and 19141 transitions. Word has length 374 [2023-11-06 22:00:13,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:00:13,994 INFO L495 AbstractCegarLoop]: Abstraction has 13001 states and 19141 transitions. [2023-11-06 22:00:13,995 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.714285714285714) internal successors, (82), 3 states have internal predecessors, (82), 2 states have call successors, (31), 6 states have call predecessors, (31), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2023-11-06 22:00:13,995 INFO L276 IsEmpty]: Start isEmpty. Operand 13001 states and 19141 transitions. [2023-11-06 22:00:14,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 377 [2023-11-06 22:00:14,006 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:00:14,006 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:00:14,007 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-06 22:00:14,009 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:00:14,009 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:00:14,010 INFO L85 PathProgramCache]: Analyzing trace with hash 1341500205, now seen corresponding path program 1 times [2023-11-06 22:00:14,010 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:00:14,010 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1341289795] [2023-11-06 22:00:14,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:00:14,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:00:14,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:00:14,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-06 22:00:14,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:00:14,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:00:14,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:00:14,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 22:00:14,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:00:14,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-06 22:00:14,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:00:14,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:00:14,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:00:14,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 22:00:14,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:00:14,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-06 22:00:14,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:00:14,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:00:14,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:00:14,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 22:00:14,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:00:14,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-11-06 22:00:14,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:00:14,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:00:14,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:00:14,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 22:00:14,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:00:14,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-11-06 22:00:14,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:00:14,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:00:14,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:00:14,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 22:00:14,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:00:14,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-11-06 22:00:14,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:00:14,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:00:14,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:00:14,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 22:00:14,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:00:14,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-11-06 22:00:14,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:00:14,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:00:14,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:00:14,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 22:00:14,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:00:14,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2023-11-06 22:00:14,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:00:14,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:00:14,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:00:14,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 22:00:14,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:00:14,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2023-11-06 22:00:14,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:00:14,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:00:14,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:00:14,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 22:00:14,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:00:14,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2023-11-06 22:00:14,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:00:14,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:00:14,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:00:14,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 22:00:14,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:00:14,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2023-11-06 22:00:14,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:00:14,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:00:15,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:00:15,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 22:00:15,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:00:15,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2023-11-06 22:00:15,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:00:15,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:00:15,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:00:15,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 22:00:15,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:00:15,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2023-11-06 22:00:15,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:00:15,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:00:15,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:00:15,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 22:00:15,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:00:15,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2023-11-06 22:00:15,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:00:15,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:00:15,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:00:15,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 22:00:15,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:00:15,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-11-06 22:00:15,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:00:15,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:00:15,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:00:15,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 22:00:15,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:00:15,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2023-11-06 22:00:15,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:00:15,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:00:15,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:00:15,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 22:00:15,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:00:15,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2023-11-06 22:00:15,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:00:15,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:00:15,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:00:15,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 22:00:15,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:00:15,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2023-11-06 22:00:15,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:00:15,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2023-11-06 22:00:15,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:00:15,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2023-11-06 22:00:15,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:00:15,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2023-11-06 22:00:15,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:00:15,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2023-11-06 22:00:15,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:00:15,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2023-11-06 22:00:15,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:00:15,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2023-11-06 22:00:15,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:00:15,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2023-11-06 22:00:15,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:00:15,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:00:15,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:00:15,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 22:00:15,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:00:15,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2023-11-06 22:00:15,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:00:15,319 INFO L134 CoverageAnalysis]: Checked inductivity of 2282 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2282 trivial. 0 not checked. [2023-11-06 22:00:15,319 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:00:15,319 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1341289795] [2023-11-06 22:00:15,319 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1341289795] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:00:15,319 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:00:15,320 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-06 22:00:15,320 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [304092750] [2023-11-06 22:00:15,320 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:00:15,321 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 22:00:15,321 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:00:15,322 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 22:00:15,322 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:00:15,322 INFO L87 Difference]: Start difference. First operand 13001 states and 19141 transitions. Second operand has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 3 states have internal predecessors, (68), 2 states have call successors, (31), 5 states have call predecessors, (31), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2023-11-06 22:00:18,942 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.53s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:00:20,952 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:00:22,958 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:00:24,768 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.63s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:00:26,775 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:00:28,783 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:00:30,792 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:00:32,809 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:00:34,815 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:00:35,917 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:00:43,256 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:00:45,263 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:00:48,505 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.61s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:00:50,513 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []