./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--icplus--ipg.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cf15e4a-abe8-4915-8442-385fb515ab44/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cf15e4a-abe8-4915-8442-385fb515ab44/bin/uautomizer-verify-qhAvR1uOyd/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cf15e4a-abe8-4915-8442-385fb515ab44/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cf15e4a-abe8-4915-8442-385fb515ab44/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--icplus--ipg.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cf15e4a-abe8-4915-8442-385fb515ab44/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cf15e4a-abe8-4915-8442-385fb515ab44/bin/uautomizer-verify-qhAvR1uOyd --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 796dd9af134a9ffa7d65525922d125c3e75a459db15e4643a4f13ca47d95e4ce --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 14:12:06,507 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 14:12:06,579 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cf15e4a-abe8-4915-8442-385fb515ab44/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-13 14:12:06,585 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 14:12:06,585 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 14:12:06,609 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 14:12:06,610 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 14:12:06,610 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 14:12:06,611 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 14:12:06,611 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 14:12:06,611 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 14:12:06,611 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 14:12:06,612 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 14:12:06,612 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 14:12:06,612 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 14:12:06,612 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 14:12:06,612 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 14:12:06,612 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 14:12:06,613 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 14:12:06,613 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 14:12:06,613 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 14:12:06,613 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 14:12:06,613 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 14:12:06,613 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 14:12:06,613 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 14:12:06,614 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 14:12:06,614 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 14:12:06,614 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 14:12:06,614 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 14:12:06,614 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 14:12:06,615 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 14:12:06,615 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 14:12:06,615 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 14:12:06,615 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 14:12:06,615 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 14:12:06,615 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 14:12:06,616 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 14:12:06,616 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 14:12:06,616 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 14:12:06,616 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cf15e4a-abe8-4915-8442-385fb515ab44/bin/uautomizer-verify-qhAvR1uOyd Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 796dd9af134a9ffa7d65525922d125c3e75a459db15e4643a4f13ca47d95e4ce [2024-11-13 14:12:06,956 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 14:12:06,968 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 14:12:06,971 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 14:12:06,972 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 14:12:06,974 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 14:12:06,975 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cf15e4a-abe8-4915-8442-385fb515ab44/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--icplus--ipg.ko-entry_point.cil.out.i Unable to find full path for "g++" [2024-11-13 14:12:08,971 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 14:12:09,719 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 14:12:09,720 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cf15e4a-abe8-4915-8442-385fb515ab44/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--icplus--ipg.ko-entry_point.cil.out.i [2024-11-13 14:12:09,771 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cf15e4a-abe8-4915-8442-385fb515ab44/bin/uautomizer-verify-qhAvR1uOyd/data/dca8d626c/a2899aa224a04c8d8d603b1ed947eb77/FLAG792ddd6b0 [2024-11-13 14:12:09,788 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cf15e4a-abe8-4915-8442-385fb515ab44/bin/uautomizer-verify-qhAvR1uOyd/data/dca8d626c/a2899aa224a04c8d8d603b1ed947eb77 [2024-11-13 14:12:09,790 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 14:12:09,792 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 14:12:09,794 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 14:12:09,794 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 14:12:09,798 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 14:12:09,799 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:12:09" (1/1) ... [2024-11-13 14:12:09,801 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27f438e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:12:09, skipping insertion in model container [2024-11-13 14:12:09,801 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:12:09" (1/1) ... [2024-11-13 14:12:09,957 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 14:12:11,726 WARN L250 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_7cf15e4a-abe8-4915-8442-385fb515ab44/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--icplus--ipg.ko-entry_point.cil.out.i[263179,263192] [2024-11-13 14:12:11,826 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 14:12:11,933 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 14:12:12,127 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"); [5577] [2024-11-13 14:12:12,129 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)); [5584] [2024-11-13 14:12:12,152 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (19), "i" (12UL)); [5925-5926] [2024-11-13 14:12:12,158 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (36), "i" (12UL)); [5954-5955] [2024-11-13 14:12:12,312 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [7805] [2024-11-13 14:12:12,411 WARN L250 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_7cf15e4a-abe8-4915-8442-385fb515ab44/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--icplus--ipg.ko-entry_point.cil.out.i[263179,263192] [2024-11-13 14:12:12,437 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 14:12:12,605 INFO L204 MainTranslator]: Completed translation [2024-11-13 14:12:12,605 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:12:12 WrapperNode [2024-11-13 14:12:12,606 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 14:12:12,607 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 14:12:12,607 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 14:12:12,608 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 14:12:12,618 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:12:12" (1/1) ... [2024-11-13 14:12:12,716 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:12:12" (1/1) ... [2024-11-13 14:12:12,942 INFO L138 Inliner]: procedures = 262, calls = 1371, calls flagged for inlining = 122, calls inlined = 117, statements flattened = 4095 [2024-11-13 14:12:12,942 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 14:12:12,943 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 14:12:12,943 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 14:12:12,943 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 14:12:12,954 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:12:12" (1/1) ... [2024-11-13 14:12:12,954 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:12:12" (1/1) ... [2024-11-13 14:12:13,006 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:12:12" (1/1) ... [2024-11-13 14:12:13,678 INFO L175 MemorySlicer]: Split 748 memory accesses to 15 slices as follows [557, 2, 4, 15, 4, 38, 5, 10, 9, 24, 2, 43, 9, 7, 19]. 74 percent of accesses are in the largest equivalence class. The 57 initializations are split as follows [0, 2, 4, 15, 4, 0, 4, 10, 9, 0, 0, 0, 9, 0, 0]. The 400 writes are split as follows [289, 0, 0, 0, 0, 32, 0, 0, 0, 17, 1, 43, 0, 2, 16]. [2024-11-13 14:12:13,679 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:12:12" (1/1) ... [2024-11-13 14:12:13,679 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:12:12" (1/1) ... [2024-11-13 14:12:13,862 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:12:12" (1/1) ... [2024-11-13 14:12:13,886 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:12:12" (1/1) ... [2024-11-13 14:12:13,925 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:12:12" (1/1) ... [2024-11-13 14:12:13,948 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:12:12" (1/1) ... [2024-11-13 14:12:13,999 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 14:12:14,001 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 14:12:14,003 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 14:12:14,003 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 14:12:14,004 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:12:12" (1/1) ... [2024-11-13 14:12:14,011 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 14:12:14,026 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cf15e4a-abe8-4915-8442-385fb515ab44/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:12:14,040 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cf15e4a-abe8-4915-8442-385fb515ab44/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 14:12:14,044 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cf15e4a-abe8-4915-8442-385fb515ab44/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 14:12:14,071 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_txfree [2024-11-13 14:12:14,072 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_txfree [2024-11-13 14:12:14,072 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_write [2024-11-13 14:12:14,072 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_write [2024-11-13 14:12:14,073 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-11-13 14:12:14,073 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-11-13 14:12:14,073 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-11-13 14:12:14,073 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-11-13 14:12:14,073 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-11-13 14:12:14,073 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-11-13 14:12:14,073 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-11-13 14:12:14,073 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2024-11-13 14:12:14,074 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2024-11-13 14:12:14,074 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2024-11-13 14:12:14,074 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2024-11-13 14:12:14,074 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#11 [2024-11-13 14:12:14,074 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#12 [2024-11-13 14:12:14,074 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#13 [2024-11-13 14:12:14,074 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#14 [2024-11-13 14:12:14,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-13 14:12:14,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-13 14:12:14,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-13 14:12:14,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-13 14:12:14,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-13 14:12:14,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-13 14:12:14,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-13 14:12:14,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-13 14:12:14,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-11-13 14:12:14,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-11-13 14:12:14,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-11-13 14:12:14,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-11-13 14:12:14,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-11-13 14:12:14,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2024-11-13 14:12:14,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2024-11-13 14:12:14,079 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2024-11-13 14:12:14,080 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2024-11-13 14:12:14,080 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_tx_timeout [2024-11-13 14:12:14,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_tx_timeout [2024-11-13 14:12:14,080 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-13 14:12:14,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-13 14:12:14,080 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-11-13 14:12:14,080 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-11-13 14:12:14,080 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_reset_after_host_error [2024-11-13 14:12:14,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_reset_after_host_error [2024-11-13 14:12:14,080 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2024-11-13 14:12:14,080 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2024-11-13 14:12:14,080 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2024-11-13 14:12:14,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2024-11-13 14:12:14,080 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-13 14:12:14,081 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-13 14:12:14,081 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2024-11-13 14:12:14,081 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2024-11-13 14:12:14,081 INFO L130 BoogieDeclarations]: Found specification of procedure init_tfdlist [2024-11-13 14:12:14,081 INFO L138 BoogieDeclarations]: Found implementation of procedure init_tfdlist [2024-11-13 14:12:14,081 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2024-11-13 14:12:14,081 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2024-11-13 14:12:14,081 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-13 14:12:14,081 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-13 14:12:14,081 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2024-11-13 14:12:14,081 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2024-11-13 14:12:14,081 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2024-11-13 14:12:14,081 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2024-11-13 14:12:14,081 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_2 [2024-11-13 14:12:14,081 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_2 [2024-11-13 14:12:14,081 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2024-11-13 14:12:14,081 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2024-11-13 14:12:14,081 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite16 [2024-11-13 14:12:14,081 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite16 [2024-11-13 14:12:14,082 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_set_multicast_list [2024-11-13 14:12:14,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_set_multicast_list [2024-11-13 14:12:14,082 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite8 [2024-11-13 14:12:14,082 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite8 [2024-11-13 14:12:14,082 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 14:12:14,082 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 14:12:14,082 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2024-11-13 14:12:14,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2024-11-13 14:12:14,082 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2024-11-13 14:12:14,082 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2024-11-13 14:12:14,086 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2024-11-13 14:12:14,086 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2024-11-13 14:12:14,086 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_tx_clear [2024-11-13 14:12:14,086 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_tx_clear [2024-11-13 14:12:14,087 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_rx_clear [2024-11-13 14:12:14,087 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_rx_clear [2024-11-13 14:12:14,087 INFO L130 BoogieDeclarations]: Found specification of procedure read_eeprom [2024-11-13 14:12:14,087 INFO L138 BoogieDeclarations]: Found implementation of procedure read_eeprom [2024-11-13 14:12:14,087 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 14:12:14,087 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2024-11-13 14:12:14,087 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2024-11-13 14:12:14,087 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2024-11-13 14:12:14,087 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2024-11-13 14:12:14,087 INFO L130 BoogieDeclarations]: Found specification of procedure skb_checksum_none_assert [2024-11-13 14:12:14,087 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_checksum_none_assert [2024-11-13 14:12:14,087 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-13 14:12:14,087 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-13 14:12:14,087 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-13 14:12:14,087 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-13 14:12:14,087 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-13 14:12:14,087 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-13 14:12:14,087 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-13 14:12:14,088 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-13 14:12:14,088 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-13 14:12:14,088 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-13 14:12:14,088 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-11-13 14:12:14,088 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-11-13 14:12:14,088 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-11-13 14:12:14,088 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-11-13 14:12:14,088 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-11-13 14:12:14,088 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2024-11-13 14:12:14,088 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2024-11-13 14:12:14,088 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2024-11-13 14:12:14,088 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2024-11-13 14:12:14,088 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2024-11-13 14:12:14,088 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2024-11-13 14:12:14,088 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2024-11-13 14:12:14,088 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2024-11-13 14:12:14,088 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_rx_free_skb [2024-11-13 14:12:14,088 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_rx_free_skb [2024-11-13 14:12:14,088 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2024-11-13 14:12:14,088 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2024-11-13 14:12:14,088 INFO L130 BoogieDeclarations]: Found specification of procedure send_three_state [2024-11-13 14:12:14,089 INFO L138 BoogieDeclarations]: Found implementation of procedure send_three_state [2024-11-13 14:12:14,089 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 14:12:14,089 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-13 14:12:14,089 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-13 14:12:14,089 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-13 14:12:14,089 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-13 14:12:14,089 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-13 14:12:14,089 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-13 14:12:14,089 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-13 14:12:14,089 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-13 14:12:14,089 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-11-13 14:12:14,089 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-11-13 14:12:14,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-11-13 14:12:14,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-11-13 14:12:14,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-11-13 14:12:14,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2024-11-13 14:12:14,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2024-11-13 14:12:14,091 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-13 14:12:14,091 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-13 14:12:14,091 INFO L130 BoogieDeclarations]: Found specification of procedure read_phy_bit [2024-11-13 14:12:14,091 INFO L138 BoogieDeclarations]: Found implementation of procedure read_phy_bit [2024-11-13 14:12:14,092 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2024-11-13 14:12:14,092 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2024-11-13 14:12:14,092 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2024-11-13 14:12:14,092 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2024-11-13 14:12:14,092 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2024-11-13 14:12:14,092 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2024-11-13 14:12:14,092 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_info [2024-11-13 14:12:14,092 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_info [2024-11-13 14:12:14,092 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2024-11-13 14:12:14,092 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2024-11-13 14:12:14,093 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2024-11-13 14:12:14,093 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2024-11-13 14:12:14,094 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2024-11-13 14:12:14,094 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2024-11-13 14:12:14,094 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2024-11-13 14:12:14,094 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2024-11-13 14:12:14,094 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2024-11-13 14:12:14,094 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2024-11-13 14:12:14,095 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2024-11-13 14:12:14,095 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#11 [2024-11-13 14:12:14,095 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#12 [2024-11-13 14:12:14,095 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#13 [2024-11-13 14:12:14,095 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#14 [2024-11-13 14:12:14,095 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2024-11-13 14:12:14,095 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2024-11-13 14:12:14,095 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2024-11-13 14:12:14,095 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2024-11-13 14:12:14,095 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_io_config [2024-11-13 14:12:14,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_io_config [2024-11-13 14:12:14,095 INFO L130 BoogieDeclarations]: Found specification of procedure init_rfdlist [2024-11-13 14:12:14,095 INFO L138 BoogieDeclarations]: Found implementation of procedure init_rfdlist [2024-11-13 14:12:14,095 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_open [2024-11-13 14:12:14,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_open [2024-11-13 14:12:14,095 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-13 14:12:14,095 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-13 14:12:14,095 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-13 14:12:14,095 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-13 14:12:14,095 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-13 14:12:14,095 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-13 14:12:14,096 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-13 14:12:14,096 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-13 14:12:14,096 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-11-13 14:12:14,096 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-11-13 14:12:14,096 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-11-13 14:12:14,096 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-11-13 14:12:14,096 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-11-13 14:12:14,096 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2024-11-13 14:12:14,096 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2024-11-13 14:12:14,096 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_ioctl [2024-11-13 14:12:14,096 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_ioctl [2024-11-13 14:12:14,096 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2024-11-13 14:12:14,098 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2024-11-13 14:12:14,098 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-13 14:12:14,098 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-13 14:12:14,099 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-13 14:12:14,099 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-13 14:12:14,099 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-13 14:12:14,099 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-13 14:12:14,100 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-13 14:12:14,100 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-13 14:12:14,100 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-13 14:12:14,100 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-13 14:12:14,100 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-13 14:12:14,100 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-13 14:12:14,100 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-11-13 14:12:14,100 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-11-13 14:12:14,100 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-11-13 14:12:14,100 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2024-11-13 14:12:14,100 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2024-11-13 14:12:14,100 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2024-11-13 14:12:14,100 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2024-11-13 14:12:14,101 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2024-11-13 14:12:14,101 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2024-11-13 14:12:14,101 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2024-11-13 14:12:14,101 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2024-11-13 14:12:14,101 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2024-11-13 14:12:14,101 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2024-11-13 14:12:14,101 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2024-11-13 14:12:14,101 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#7 [2024-11-13 14:12:14,101 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#8 [2024-11-13 14:12:14,101 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#9 [2024-11-13 14:12:14,101 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#10 [2024-11-13 14:12:14,101 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#11 [2024-11-13 14:12:14,101 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#12 [2024-11-13 14:12:14,101 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#13 [2024-11-13 14:12:14,101 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#14 [2024-11-13 14:12:14,101 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2024-11-13 14:12:14,101 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2024-11-13 14:12:14,101 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2024-11-13 14:12:14,101 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2024-11-13 14:12:14,101 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2024-11-13 14:12:14,101 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2024-11-13 14:12:14,102 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2024-11-13 14:12:14,102 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#7 [2024-11-13 14:12:14,102 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#8 [2024-11-13 14:12:14,102 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#9 [2024-11-13 14:12:14,102 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#10 [2024-11-13 14:12:14,102 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#11 [2024-11-13 14:12:14,102 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#12 [2024-11-13 14:12:14,102 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#13 [2024-11-13 14:12:14,102 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#14 [2024-11-13 14:12:14,102 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2024-11-13 14:12:14,102 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2024-11-13 14:12:14,102 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2024-11-13 14:12:14,102 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2024-11-13 14:12:14,102 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2024-11-13 14:12:14,102 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2024-11-13 14:12:14,102 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2024-11-13 14:12:14,102 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2024-11-13 14:12:14,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-13 14:12:14,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-13 14:12:14,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-13 14:12:14,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-13 14:12:14,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-13 14:12:14,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-13 14:12:14,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-13 14:12:14,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-13 14:12:14,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-13 14:12:14,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-13 14:12:14,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-13 14:12:14,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-13 14:12:14,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-11-13 14:12:14,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-11-13 14:12:14,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-11-13 14:12:14,103 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2024-11-13 14:12:14,106 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2024-11-13 14:12:14,106 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2024-11-13 14:12:14,106 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2024-11-13 14:12:14,106 INFO L130 BoogieDeclarations]: Found specification of procedure eth_type_trans [2024-11-13 14:12:14,106 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_type_trans [2024-11-13 14:12:14,106 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-13 14:12:14,106 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-13 14:12:14,108 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_get_stats [2024-11-13 14:12:14,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_get_stats [2024-11-13 14:12:14,110 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2024-11-13 14:12:14,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2024-11-13 14:12:14,110 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_rxrestore [2024-11-13 14:12:14,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_rxrestore [2024-11-13 14:12:14,110 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-13 14:12:14,110 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_stop [2024-11-13 14:12:14,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_stop [2024-11-13 14:12:14,110 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2024-11-13 14:12:14,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2024-11-13 14:12:14,110 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_config_autoneg [2024-11-13 14:12:14,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_config_autoneg [2024-11-13 14:12:14,110 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 14:12:14,110 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2024-11-13 14:12:14,110 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2024-11-13 14:12:14,110 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-13 14:12:14,110 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-13 14:12:14,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-13 14:12:14,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-13 14:12:14,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-13 14:12:14,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-13 14:12:14,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-13 14:12:14,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-13 14:12:14,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-13 14:12:14,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-11-13 14:12:14,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-11-13 14:12:14,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-11-13 14:12:14,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-11-13 14:12:14,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-11-13 14:12:14,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-11-13 14:12:14,111 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2024-11-13 14:12:14,111 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2024-11-13 14:12:14,111 INFO L130 BoogieDeclarations]: Found specification of procedure ioread16 [2024-11-13 14:12:14,111 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread16 [2024-11-13 14:12:14,111 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_ioaddr [2024-11-13 14:12:14,111 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_ioaddr [2024-11-13 14:12:14,111 INFO L130 BoogieDeclarations]: Found specification of procedure ioread8 [2024-11-13 14:12:14,111 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread8 [2024-11-13 14:12:14,111 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_reset [2024-11-13 14:12:14,111 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_reset [2024-11-13 14:12:14,111 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2024-11-13 14:12:14,111 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2024-11-13 14:12:14,112 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2024-11-13 14:12:14,112 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2024-11-13 14:12:14,112 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_get_rxbuff [2024-11-13 14:12:14,112 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_get_rxbuff [2024-11-13 14:12:14,112 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2024-11-13 14:12:14,112 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2024-11-13 14:12:14,112 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_write_phy_ctl [2024-11-13 14:12:14,112 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_write_phy_ctl [2024-11-13 14:12:14,112 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_delayed_work [2024-11-13 14:12:14,112 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_delayed_work [2024-11-13 14:12:14,112 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_change_mtu [2024-11-13 14:12:14,112 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_change_mtu [2024-11-13 14:12:14,112 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2024-11-13 14:12:14,112 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2024-11-13 14:12:14,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-13 14:12:14,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-13 14:12:14,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-13 14:12:14,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-13 14:12:14,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-13 14:12:14,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-13 14:12:14,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-13 14:12:14,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-13 14:12:14,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-13 14:12:14,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-13 14:12:14,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-13 14:12:14,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-13 14:12:14,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-13 14:12:14,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-11-13 14:12:14,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-11-13 14:12:14,116 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_rx_check_error [2024-11-13 14:12:14,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_rx_check_error [2024-11-13 14:12:14,116 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_drive_phy_ctl_low_high [2024-11-13 14:12:14,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_drive_phy_ctl_low_high [2024-11-13 14:12:14,116 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_read [2024-11-13 14:12:14,117 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_read [2024-11-13 14:12:14,117 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 14:12:14,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 14:12:15,197 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 14:12:15,203 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 14:12:16,623 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-13 14:12:30,607 INFO L? ?]: Removed 2091 outVars from TransFormulas that were not future-live. [2024-11-13 14:12:30,608 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 14:12:30,656 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 14:12:30,656 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-13 14:12:30,656 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:12:30 BoogieIcfgContainer [2024-11-13 14:12:30,657 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 14:12:30,659 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 14:12:30,659 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 14:12:30,664 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 14:12:30,665 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 02:12:09" (1/3) ... [2024-11-13 14:12:30,665 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e1893ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 02:12:30, skipping insertion in model container [2024-11-13 14:12:30,666 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:12:12" (2/3) ... [2024-11-13 14:12:30,666 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e1893ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 02:12:30, skipping insertion in model container [2024-11-13 14:12:30,666 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:12:30" (3/3) ... [2024-11-13 14:12:30,667 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--icplus--ipg.ko-entry_point.cil.out.i [2024-11-13 14:12:30,685 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 14:12:30,688 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--icplus--ipg.ko-entry_point.cil.out.i that has 100 procedures, 1871 locations, 1 initial locations, 31 loop locations, and 1 error locations. [2024-11-13 14:12:30,828 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 14:12:30,842 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@62c15ae8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 14:12:30,842 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-13 14:12:30,852 INFO L276 IsEmpty]: Start isEmpty. Operand has 1800 states, 1337 states have (on average 1.3642483171278983) internal successors, (1824), 1367 states have internal predecessors, (1824), 379 states have call successors, (379), 85 states have call predecessors, (379), 84 states have return successors, (371), 371 states have call predecessors, (371), 371 states have call successors, (371) [2024-11-13 14:12:30,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-11-13 14:12:30,879 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:12:30,880 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:12:30,880 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:12:30,885 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:12:30,885 INFO L85 PathProgramCache]: Analyzing trace with hash 1109171728, now seen corresponding path program 1 times [2024-11-13 14:12:30,894 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:12:30,895 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [746046241] [2024-11-13 14:12:30,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:12:30,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:12:38,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:12:38,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 14:12:38,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:12:38,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 14:12:38,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:12:38,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 14:12:38,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:12:39,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-13 14:12:39,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:12:39,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 14:12:39,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:12:39,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 14:12:39,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:12:39,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-13 14:12:39,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:12:39,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 14:12:39,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:12:39,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 14:12:39,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:12:39,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-13 14:12:39,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:12:39,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 14:12:39,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:12:39,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 14:12:39,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:12:39,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-13 14:12:39,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:12:39,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-13 14:12:39,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:12:39,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-13 14:12:39,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:12:39,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-13 14:12:39,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:12:39,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-13 14:12:39,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:12:39,400 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2024-11-13 14:12:39,401 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:12:39,401 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [746046241] [2024-11-13 14:12:39,402 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [746046241] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:12:39,402 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:12:39,402 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 14:12:39,405 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [780277696] [2024-11-13 14:12:39,405 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:12:39,411 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 14:12:39,411 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:12:39,438 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 14:12:39,438 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-13 14:12:39,445 INFO L87 Difference]: Start difference. First operand has 1800 states, 1337 states have (on average 1.3642483171278983) internal successors, (1824), 1367 states have internal predecessors, (1824), 379 states have call successors, (379), 85 states have call predecessors, (379), 84 states have return successors, (371), 371 states have call predecessors, (371), 371 states have call successors, (371) Second operand has 5 states, 5 states have (on average 9.4) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (16), 5 states have call predecessors, (16), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-13 14:12:43,522 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 14:12:47,856 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.33s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 14:13:17,104 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 14:13:22,285 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.79s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 14:13:26,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:13:26,957 INFO L93 Difference]: Finished difference Result 3919 states and 5741 transitions. [2024-11-13 14:13:26,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 14:13:26,961 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (16), 5 states have call predecessors, (16), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 121 [2024-11-13 14:13:26,961 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:13:27,011 INFO L225 Difference]: With dead ends: 3919 [2024-11-13 14:13:27,012 INFO L226 Difference]: Without dead ends: 2103 [2024-11-13 14:13:27,034 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-13 14:13:27,040 INFO L432 NwaCegarLoop]: 648 mSDtfsCounter, 3541 mSDsluCounter, 860 mSDsCounter, 0 mSdLazyCounter, 3300 mSolverCounterSat, 1543 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 44.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3721 SdHoareTripleChecker+Valid, 1508 SdHoareTripleChecker+Invalid, 4845 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1543 IncrementalHoareTripleChecker+Valid, 3300 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 46.7s IncrementalHoareTripleChecker+Time [2024-11-13 14:13:27,043 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3721 Valid, 1508 Invalid, 4845 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1543 Valid, 3300 Invalid, 2 Unknown, 0 Unchecked, 46.7s Time] [2024-11-13 14:13:27,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2103 states. [2024-11-13 14:13:27,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2103 to 1773. [2024-11-13 14:13:27,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1773 states, 1320 states have (on average 1.3333333333333333) internal successors, (1760), 1339 states have internal predecessors, (1760), 369 states have call successors, (369), 84 states have call predecessors, (369), 83 states have return successors, (368), 368 states have call predecessors, (368), 368 states have call successors, (368) [2024-11-13 14:13:27,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1773 states to 1773 states and 2497 transitions. [2024-11-13 14:13:27,245 INFO L78 Accepts]: Start accepts. Automaton has 1773 states and 2497 transitions. Word has length 121 [2024-11-13 14:13:27,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:13:27,245 INFO L471 AbstractCegarLoop]: Abstraction has 1773 states and 2497 transitions. [2024-11-13 14:13:27,246 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (16), 5 states have call predecessors, (16), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-13 14:13:27,246 INFO L276 IsEmpty]: Start isEmpty. Operand 1773 states and 2497 transitions. [2024-11-13 14:13:27,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-11-13 14:13:27,254 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:13:27,254 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:13:27,254 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-13 14:13:27,254 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:13:27,255 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:13:27,255 INFO L85 PathProgramCache]: Analyzing trace with hash 1171253163, now seen corresponding path program 1 times [2024-11-13 14:13:27,255 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:13:27,255 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [744280616] [2024-11-13 14:13:27,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:13:27,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:13:33,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:13:35,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 14:13:35,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:13:35,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 14:13:35,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:13:35,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 14:13:35,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:13:35,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-13 14:13:35,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:13:35,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 14:13:35,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:13:35,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 14:13:35,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:13:35,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-13 14:13:35,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:13:35,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 14:13:35,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:13:35,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 14:13:35,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:13:35,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-13 14:13:35,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:13:35,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 14:13:35,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:13:35,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 14:13:35,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:13:35,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-13 14:13:35,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:13:35,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-13 14:13:35,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:13:35,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-13 14:13:35,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:13:35,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-13 14:13:35,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:13:35,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-13 14:13:35,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:13:35,843 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2024-11-13 14:13:35,844 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:13:35,844 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [744280616] [2024-11-13 14:13:35,844 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [744280616] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:13:35,844 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:13:35,845 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-13 14:13:35,845 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1885225208] [2024-11-13 14:13:35,845 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:13:35,846 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-13 14:13:35,847 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:13:35,848 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-13 14:13:35,848 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-13 14:13:35,848 INFO L87 Difference]: Start difference. First operand 1773 states and 2497 transitions. Second operand has 8 states, 8 states have (on average 6.125) internal successors, (49), 4 states have internal predecessors, (49), 3 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2024-11-13 14:13:39,919 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 14:13:44,255 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.33s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 14:15:25,770 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 14:15:33,330 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 14:15:35,572 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 14:15:37,109 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.54s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 14:15:38,471 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 14:15:42,816 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.93s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 14:15:50,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:15:50,083 INFO L93 Difference]: Finished difference Result 5939 states and 8530 transitions. [2024-11-13 14:15:50,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-13 14:15:50,084 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.125) internal successors, (49), 4 states have internal predecessors, (49), 3 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 123 [2024-11-13 14:15:50,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:15:50,122 INFO L225 Difference]: With dead ends: 5939 [2024-11-13 14:15:50,122 INFO L226 Difference]: Without dead ends: 4187 [2024-11-13 14:15:50,134 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=103, Invalid=203, Unknown=0, NotChecked=0, Total=306 [2024-11-13 14:15:50,135 INFO L432 NwaCegarLoop]: 626 mSDtfsCounter, 7395 mSDsluCounter, 2797 mSDsCounter, 0 mSdLazyCounter, 10941 mSolverCounterSat, 2884 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 127.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7668 SdHoareTripleChecker+Valid, 3423 SdHoareTripleChecker+Invalid, 13827 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 2884 IncrementalHoareTripleChecker+Valid, 10941 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 131.3s IncrementalHoareTripleChecker+Time [2024-11-13 14:15:50,135 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7668 Valid, 3423 Invalid, 13827 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [2884 Valid, 10941 Invalid, 2 Unknown, 0 Unchecked, 131.3s Time] [2024-11-13 14:15:50,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4187 states. [2024-11-13 14:15:50,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4187 to 3553. [2024-11-13 14:15:50,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3553 states, 2646 states have (on average 1.3329554043839758) internal successors, (3527), 2686 states have internal predecessors, (3527), 736 states have call successors, (736), 167 states have call predecessors, (736), 170 states have return successors, (757), 737 states have call predecessors, (757), 735 states have call successors, (757) [2024-11-13 14:15:50,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3553 states to 3553 states and 5020 transitions. [2024-11-13 14:15:50,430 INFO L78 Accepts]: Start accepts. Automaton has 3553 states and 5020 transitions. Word has length 123 [2024-11-13 14:15:50,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:15:50,432 INFO L471 AbstractCegarLoop]: Abstraction has 3553 states and 5020 transitions. [2024-11-13 14:15:50,433 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.125) internal successors, (49), 4 states have internal predecessors, (49), 3 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2024-11-13 14:15:50,433 INFO L276 IsEmpty]: Start isEmpty. Operand 3553 states and 5020 transitions. [2024-11-13 14:15:50,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-11-13 14:15:50,442 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:15:50,442 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:15:50,442 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-13 14:15:50,445 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:15:50,445 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:15:50,445 INFO L85 PathProgramCache]: Analyzing trace with hash -1122847992, now seen corresponding path program 1 times [2024-11-13 14:15:50,445 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:15:50,445 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [856732450] [2024-11-13 14:15:50,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:15:50,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:15:55,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:15:56,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 14:15:56,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:15:57,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 14:15:57,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:15:57,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 14:15:57,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:15:57,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-13 14:15:57,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:15:57,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 14:15:57,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:15:57,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 14:15:57,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:15:57,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-13 14:15:57,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:15:57,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 14:15:57,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:15:57,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 14:15:57,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:15:57,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-13 14:15:57,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:15:57,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 14:15:57,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:15:57,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 14:15:57,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:15:57,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-13 14:15:57,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:15:57,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-13 14:15:57,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:15:57,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-13 14:15:57,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:15:57,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-13 14:15:57,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:15:57,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-13 14:15:57,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:15:57,567 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2024-11-13 14:15:57,571 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:15:57,571 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [856732450] [2024-11-13 14:15:57,571 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [856732450] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:15:57,572 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:15:57,572 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-13 14:15:57,572 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [351551974] [2024-11-13 14:15:57,572 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:15:57,577 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-13 14:15:57,577 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:15:57,578 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-13 14:15:57,578 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-13 14:15:57,578 INFO L87 Difference]: Start difference. First operand 3553 states and 5020 transitions. Second operand has 8 states, 8 states have (on average 5.875) internal successors, (47), 4 states have internal predecessors, (47), 3 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2024-11-13 14:16:01,691 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 14:16:05,916 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.22s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 14:17:28,484 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.60s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 14:17:30,899 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 14:17:32,685 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.57s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 14:17:35,096 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.48s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 14:17:36,678 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.58s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 14:17:49,970 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.59s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 14:17:52,355 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.38s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 14:17:55,202 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.85s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 14:17:57,412 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 14:18:01,237 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.51s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 14:18:12,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:18:12,352 INFO L93 Difference]: Finished difference Result 11878 states and 17123 transitions. [2024-11-13 14:18:12,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-13 14:18:12,353 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.875) internal successors, (47), 4 states have internal predecessors, (47), 3 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 121 [2024-11-13 14:18:12,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:18:12,408 INFO L225 Difference]: With dead ends: 11878 [2024-11-13 14:18:12,408 INFO L226 Difference]: Without dead ends: 8346 [2024-11-13 14:18:12,427 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=103, Invalid=203, Unknown=0, NotChecked=0, Total=306 [2024-11-13 14:18:12,427 INFO L432 NwaCegarLoop]: 729 mSDtfsCounter, 8591 mSDsluCounter, 2689 mSDsCounter, 0 mSdLazyCounter, 10548 mSolverCounterSat, 3734 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 129.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8867 SdHoareTripleChecker+Valid, 3418 SdHoareTripleChecker+Invalid, 14284 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 3734 IncrementalHoareTripleChecker+Valid, 10548 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 132.2s IncrementalHoareTripleChecker+Time [2024-11-13 14:18:12,428 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8867 Valid, 3418 Invalid, 14284 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [3734 Valid, 10548 Invalid, 2 Unknown, 0 Unchecked, 132.2s Time] [2024-11-13 14:18:12,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8346 states. [2024-11-13 14:18:12,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8346 to 7125. [2024-11-13 14:18:12,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7125 states, 5302 states have (on average 1.3325160316861562) internal successors, (7065), 5393 states have internal predecessors, (7065), 1474 states have call successors, (1474), 333 states have call predecessors, (1474), 348 states have return successors, (1583), 1474 states have call predecessors, (1583), 1473 states have call successors, (1583) [2024-11-13 14:18:12,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7125 states to 7125 states and 10122 transitions. [2024-11-13 14:18:12,938 INFO L78 Accepts]: Start accepts. Automaton has 7125 states and 10122 transitions. Word has length 121 [2024-11-13 14:18:12,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:18:12,938 INFO L471 AbstractCegarLoop]: Abstraction has 7125 states and 10122 transitions. [2024-11-13 14:18:12,940 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.875) internal successors, (47), 4 states have internal predecessors, (47), 3 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2024-11-13 14:18:12,940 INFO L276 IsEmpty]: Start isEmpty. Operand 7125 states and 10122 transitions. [2024-11-13 14:18:12,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-11-13 14:18:12,952 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:18:12,952 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:18:12,953 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-13 14:18:12,953 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:18:12,958 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:18:12,958 INFO L85 PathProgramCache]: Analyzing trace with hash -176897419, now seen corresponding path program 1 times [2024-11-13 14:18:12,958 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:18:12,958 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1981800118] [2024-11-13 14:18:12,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:18:12,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:18:18,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:18:19,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 14:18:19,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:18:20,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 14:18:20,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:18:20,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 14:18:20,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:18:20,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-13 14:18:20,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:18:20,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 14:18:20,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:18:20,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 14:18:20,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:18:20,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-13 14:18:20,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:18:20,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 14:18:20,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:18:20,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 14:18:20,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:18:20,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-13 14:18:20,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:18:20,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 14:18:20,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:18:20,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 14:18:20,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:18:20,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-13 14:18:20,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:18:20,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-13 14:18:20,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:18:20,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-13 14:18:20,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:18:20,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-13 14:18:20,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:18:20,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-13 14:18:20,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:18:20,488 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2024-11-13 14:18:20,489 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:18:20,489 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1981800118] [2024-11-13 14:18:20,489 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1981800118] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:18:20,489 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:18:20,489 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-13 14:18:20,489 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1770059687] [2024-11-13 14:18:20,489 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:18:20,490 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-13 14:18:20,491 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:18:20,491 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-13 14:18:20,491 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-13 14:18:20,492 INFO L87 Difference]: Start difference. First operand 7125 states and 10122 transitions. Second operand has 8 states, 8 states have (on average 6.0) internal successors, (48), 4 states have internal predecessors, (48), 3 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2024-11-13 14:18:24,546 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 14:18:28,776 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.23s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 14:19:52,883 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 14:19:54,223 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 14:20:17,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:20:17,449 INFO L93 Difference]: Finished difference Result 23754 states and 34403 transitions. [2024-11-13 14:20:17,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-13 14:20:17,450 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.0) internal successors, (48), 4 states have internal predecessors, (48), 3 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 122 [2024-11-13 14:20:17,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:20:17,617 INFO L225 Difference]: With dead ends: 23754 [2024-11-13 14:20:17,617 INFO L226 Difference]: Without dead ends: 16650 [2024-11-13 14:20:17,647 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=103, Invalid=203, Unknown=0, NotChecked=0, Total=306 [2024-11-13 14:20:17,648 INFO L432 NwaCegarLoop]: 626 mSDtfsCounter, 8887 mSDsluCounter, 2400 mSDsCounter, 0 mSdLazyCounter, 9809 mSolverCounterSat, 3936 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 111.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9161 SdHoareTripleChecker+Valid, 3026 SdHoareTripleChecker+Invalid, 13747 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 3936 IncrementalHoareTripleChecker+Valid, 9809 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 114.3s IncrementalHoareTripleChecker+Time [2024-11-13 14:20:17,648 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9161 Valid, 3026 Invalid, 13747 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [3936 Valid, 9809 Invalid, 2 Unknown, 0 Unchecked, 114.3s Time] [2024-11-13 14:20:17,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16650 states. [2024-11-13 14:20:18,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16650 to 14231. [2024-11-13 14:20:18,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14231 states, 10594 states have (on average 1.3319803662450445) internal successors, (14111), 10774 states have internal predecessors, (14111), 2939 states have call successors, (2939), 666 states have call predecessors, (2939), 697 states have return successors, (3246), 2942 states have call predecessors, (3246), 2938 states have call successors, (3246) [2024-11-13 14:20:18,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14231 states to 14231 states and 20296 transitions. [2024-11-13 14:20:18,524 INFO L78 Accepts]: Start accepts. Automaton has 14231 states and 20296 transitions. Word has length 122 [2024-11-13 14:20:18,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:20:18,525 INFO L471 AbstractCegarLoop]: Abstraction has 14231 states and 20296 transitions. [2024-11-13 14:20:18,528 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.0) internal successors, (48), 4 states have internal predecessors, (48), 3 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2024-11-13 14:20:18,528 INFO L276 IsEmpty]: Start isEmpty. Operand 14231 states and 20296 transitions. [2024-11-13 14:20:18,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-13 14:20:18,538 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:20:18,541 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:20:18,541 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-13 14:20:18,541 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:20:18,541 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:20:18,542 INFO L85 PathProgramCache]: Analyzing trace with hash 2102702136, now seen corresponding path program 1 times [2024-11-13 14:20:18,542 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:20:18,542 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1747446566] [2024-11-13 14:20:18,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:20:18,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:20:24,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:25,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 14:20:25,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:25,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 14:20:25,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:25,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 14:20:25,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:25,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-13 14:20:25,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:25,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 14:20:25,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:25,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 14:20:25,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:25,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-13 14:20:25,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:25,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 14:20:25,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:25,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 14:20:25,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:25,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-13 14:20:25,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:25,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 14:20:25,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:25,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 14:20:25,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:25,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-13 14:20:25,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:25,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-13 14:20:25,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:25,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-13 14:20:25,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:25,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-13 14:20:25,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:25,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-13 14:20:25,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:25,609 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2024-11-13 14:20:25,609 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:20:25,609 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1747446566] [2024-11-13 14:20:25,610 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1747446566] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:20:25,610 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:20:25,610 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-13 14:20:25,610 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1132472911] [2024-11-13 14:20:25,610 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:20:25,611 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-13 14:20:25,611 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:20:25,611 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-13 14:20:25,611 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-13 14:20:25,612 INFO L87 Difference]: Start difference. First operand 14231 states and 20296 transitions. Second operand has 8 states, 8 states have (on average 6.25) internal successors, (50), 4 states have internal predecessors, (50), 3 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2024-11-13 14:20:29,672 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 14:20:34,003 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.33s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 14:21:57,327 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.63s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 14:22:00,498 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.86s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 14:22:13,514 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.37s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 14:22:15,906 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 [] [2024-11-13 14:22:27,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:22:27,352 INFO L93 Difference]: Finished difference Result 46777 states and 67928 transitions. [2024-11-13 14:22:27,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-13 14:22:27,353 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.25) internal successors, (50), 4 states have internal predecessors, (50), 3 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 124 [2024-11-13 14:22:27,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:22:27,572 INFO L225 Difference]: With dead ends: 46777 [2024-11-13 14:22:27,572 INFO L226 Difference]: Without dead ends: 32567 [2024-11-13 14:22:27,748 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=103, Invalid=203, Unknown=0, NotChecked=0, Total=306 [2024-11-13 14:22:27,750 INFO L432 NwaCegarLoop]: 624 mSDtfsCounter, 9073 mSDsluCounter, 2396 mSDsCounter, 0 mSdLazyCounter, 9337 mSolverCounterSat, 4061 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 115.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9346 SdHoareTripleChecker+Valid, 3020 SdHoareTripleChecker+Invalid, 13400 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 4061 IncrementalHoareTripleChecker+Valid, 9337 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 118.5s IncrementalHoareTripleChecker+Time [2024-11-13 14:22:27,750 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9346 Valid, 3020 Invalid, 13400 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [4061 Valid, 9337 Invalid, 2 Unknown, 0 Unchecked, 118.5s Time] [2024-11-13 14:22:27,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32567 states. [2024-11-13 14:22:29,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32567 to 28008. [2024-11-13 14:22:29,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28008 states, 20838 states have (on average 1.3297821288031482) internal successors, (27710), 21187 states have internal predecessors, (27710), 5783 states have call successors, (5783), 1323 states have call predecessors, (5783), 1386 states have return successors, (6588), 5794 states have call predecessors, (6588), 5782 states have call successors, (6588) [2024-11-13 14:22:29,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28008 states to 28008 states and 40081 transitions. [2024-11-13 14:22:29,405 INFO L78 Accepts]: Start accepts. Automaton has 28008 states and 40081 transitions. Word has length 124 [2024-11-13 14:22:29,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:22:29,406 INFO L471 AbstractCegarLoop]: Abstraction has 28008 states and 40081 transitions. [2024-11-13 14:22:29,408 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.25) internal successors, (50), 4 states have internal predecessors, (50), 3 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2024-11-13 14:22:29,408 INFO L276 IsEmpty]: Start isEmpty. Operand 28008 states and 40081 transitions. [2024-11-13 14:22:29,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-13 14:22:29,414 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:22:29,414 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:22:29,415 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-13 14:22:29,415 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:22:29,415 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:22:29,415 INFO L85 PathProgramCache]: Analyzing trace with hash -1819122145, now seen corresponding path program 1 times [2024-11-13 14:22:29,415 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:22:29,416 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1340273800] [2024-11-13 14:22:29,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:22:29,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:22:34,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:22:35,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 14:22:35,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:22:35,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 14:22:35,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:22:35,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 14:22:35,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:22:35,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-13 14:22:35,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:22:35,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 14:22:35,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:22:35,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 14:22:35,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:22:35,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-13 14:22:35,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:22:35,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 14:22:35,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:22:35,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 14:22:35,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:22:35,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-13 14:22:35,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:22:36,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 14:22:36,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:22:36,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 14:22:36,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:22:36,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-13 14:22:36,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:22:36,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-13 14:22:36,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:22:36,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-13 14:22:36,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:22:37,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-13 14:22:37,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:22:37,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-13 14:22:37,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:22:37,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-13 14:22:37,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:22:37,228 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2024-11-13 14:22:37,229 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:22:37,229 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1340273800] [2024-11-13 14:22:37,229 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1340273800] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 14:22:37,229 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1158172030] [2024-11-13 14:22:37,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:22:37,230 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:22:37,230 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cf15e4a-abe8-4915-8442-385fb515ab44/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:22:37,234 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cf15e4a-abe8-4915-8442-385fb515ab44/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 14:22:37,236 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cf15e4a-abe8-4915-8442-385fb515ab44/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-13 14:22:43,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:22:43,697 INFO L255 TraceCheckSpWp]: Trace formula consists of 3312 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 14:22:43,708 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:22:43,941 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2024-11-13 14:22:43,941 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 14:22:43,941 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1158172030] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:22:43,941 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 14:22:43,941 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [11] total 12 [2024-11-13 14:22:43,942 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2063947658] [2024-11-13 14:22:43,942 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:22:43,943 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 14:22:43,943 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:22:43,943 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 14:22:43,943 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-13 14:22:43,944 INFO L87 Difference]: Start difference. First operand 28008 states and 40081 transitions. Second operand has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-13 14:22:44,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:22:44,597 INFO L93 Difference]: Finished difference Result 28027 states and 40115 transitions. [2024-11-13 14:22:44,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 14:22:44,597 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 134 [2024-11-13 14:22:44,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:22:44,756 INFO L225 Difference]: With dead ends: 28027 [2024-11-13 14:22:44,756 INFO L226 Difference]: Without dead ends: 28024 [2024-11-13 14:22:44,780 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 177 GetRequests, 167 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-13 14:22:44,781 INFO L432 NwaCegarLoop]: 2496 mSDtfsCounter, 0 mSDsluCounter, 2491 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 4987 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 14:22:44,782 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 4987 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 14:22:44,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28024 states. [2024-11-13 14:22:46,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28024 to 28024. [2024-11-13 14:22:46,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28024 states, 20854 states have (on average 1.3295291071257314) internal successors, (27726), 21203 states have internal predecessors, (27726), 5783 states have call successors, (5783), 1323 states have call predecessors, (5783), 1386 states have return successors, (6588), 5794 states have call predecessors, (6588), 5782 states have call successors, (6588) [2024-11-13 14:22:46,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28024 states to 28024 states and 40097 transitions. [2024-11-13 14:22:46,354 INFO L78 Accepts]: Start accepts. Automaton has 28024 states and 40097 transitions. Word has length 134 [2024-11-13 14:22:46,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:22:46,355 INFO L471 AbstractCegarLoop]: Abstraction has 28024 states and 40097 transitions. [2024-11-13 14:22:46,355 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-13 14:22:46,355 INFO L276 IsEmpty]: Start isEmpty. Operand 28024 states and 40097 transitions. [2024-11-13 14:22:46,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-11-13 14:22:46,362 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:22:46,362 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:22:46,394 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cf15e4a-abe8-4915-8442-385fb515ab44/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-13 14:22:46,563 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cf15e4a-abe8-4915-8442-385fb515ab44/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:22:46,563 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:22:46,563 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:22:46,563 INFO L85 PathProgramCache]: Analyzing trace with hash -663501340, now seen corresponding path program 1 times [2024-11-13 14:22:46,563 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:22:46,563 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1575258898] [2024-11-13 14:22:46,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:22:46,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:22:52,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:22:53,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 14:22:53,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:22:54,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 14:22:54,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:22:54,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 14:22:54,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:22:54,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-13 14:22:54,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:22:54,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 14:22:54,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:22:54,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 14:22:54,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:22:54,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-13 14:22:54,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:22:54,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 14:22:54,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:22:54,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 14:22:54,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:22:54,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-13 14:22:54,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:22:54,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 14:22:54,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:22:54,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 14:22:54,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:22:54,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-13 14:22:54,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:22:54,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-13 14:22:54,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:22:55,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-13 14:22:55,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:22:55,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-13 14:22:55,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:22:55,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-13 14:22:55,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:22:55,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-13 14:22:55,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:22:55,362 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2024-11-13 14:22:55,362 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:22:55,363 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1575258898] [2024-11-13 14:22:55,363 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1575258898] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 14:22:55,363 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [188095174] [2024-11-13 14:22:55,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:22:55,363 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:22:55,363 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cf15e4a-abe8-4915-8442-385fb515ab44/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:22:55,366 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cf15e4a-abe8-4915-8442-385fb515ab44/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 14:22:55,368 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cf15e4a-abe8-4915-8442-385fb515ab44/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-13 14:23:02,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:23:02,263 INFO L255 TraceCheckSpWp]: Trace formula consists of 3317 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 14:23:02,270 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:23:03,650 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2024-11-13 14:23:03,650 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 14:23:03,650 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [188095174] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:23:03,650 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 14:23:03,650 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [11] total 16 [2024-11-13 14:23:03,651 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [785260325] [2024-11-13 14:23:03,651 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:23:03,651 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-13 14:23:03,651 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:23:03,652 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-13 14:23:03,652 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2024-11-13 14:23:03,652 INFO L87 Difference]: Start difference. First operand 28024 states and 40097 transitions. Second operand has 7 states, 7 states have (on average 8.571428571428571) internal successors, (60), 5 states have internal predecessors, (60), 3 states have call successors, (17), 3 states have call predecessors, (17), 3 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-13 14:23:06,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:23:06,706 INFO L93 Difference]: Finished difference Result 69992 states and 100277 transitions. [2024-11-13 14:23:06,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-13 14:23:06,707 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.571428571428571) internal successors, (60), 5 states have internal predecessors, (60), 3 states have call successors, (17), 3 states have call predecessors, (17), 3 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) Word has length 136 [2024-11-13 14:23:06,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:23:06,945 INFO L225 Difference]: With dead ends: 69992 [2024-11-13 14:23:06,945 INFO L226 Difference]: Without dead ends: 41989 [2024-11-13 14:23:07,064 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 186 GetRequests, 166 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=67, Invalid=395, Unknown=0, NotChecked=0, Total=462 [2024-11-13 14:23:07,065 INFO L432 NwaCegarLoop]: 3648 mSDtfsCounter, 2517 mSDsluCounter, 17053 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2521 SdHoareTripleChecker+Valid, 20701 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-13 14:23:07,065 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2521 Valid, 20701 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-13 14:23:07,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41989 states. [2024-11-13 14:23:08,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41989 to 41840. [2024-11-13 14:23:08,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41840 states, 31137 states have (on average 1.329479397501365) internal successors, (41396), 31667 states have internal predecessors, (41396), 8623 states have call successors, (8623), 1976 states have call predecessors, (8623), 2079 states have return successors, (10014), 8638 states have call predecessors, (10014), 8622 states have call successors, (10014) [2024-11-13 14:23:08,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41840 states to 41840 states and 60033 transitions. [2024-11-13 14:23:08,981 INFO L78 Accepts]: Start accepts. Automaton has 41840 states and 60033 transitions. Word has length 136 [2024-11-13 14:23:08,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:23:08,982 INFO L471 AbstractCegarLoop]: Abstraction has 41840 states and 60033 transitions. [2024-11-13 14:23:08,982 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.571428571428571) internal successors, (60), 5 states have internal predecessors, (60), 3 states have call successors, (17), 3 states have call predecessors, (17), 3 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-13 14:23:08,982 INFO L276 IsEmpty]: Start isEmpty. Operand 41840 states and 60033 transitions. [2024-11-13 14:23:08,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-13 14:23:08,989 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:23:08,990 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:23:09,024 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cf15e4a-abe8-4915-8442-385fb515ab44/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-13 14:23:09,190 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cf15e4a-abe8-4915-8442-385fb515ab44/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:23:09,191 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:23:09,191 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:23:09,191 INFO L85 PathProgramCache]: Analyzing trace with hash -242210596, now seen corresponding path program 1 times [2024-11-13 14:23:09,191 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:23:09,191 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [999012654] [2024-11-13 14:23:09,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:23:09,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:23:14,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:23:15,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 14:23:15,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:23:16,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 14:23:16,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:23:16,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 14:23:16,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:23:16,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-13 14:23:16,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:23:16,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 14:23:16,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:23:16,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 14:23:16,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:23:16,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-13 14:23:16,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:23:16,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 14:23:16,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:23:16,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 14:23:16,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:23:16,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-13 14:23:16,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:23:16,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 14:23:16,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:23:16,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 14:23:16,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:23:16,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-13 14:23:16,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:23:16,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-13 14:23:16,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:23:17,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-13 14:23:17,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:23:17,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-13 14:23:17,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:23:17,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-13 14:23:17,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:23:17,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-13 14:23:17,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:23:17,271 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2024-11-13 14:23:17,271 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:23:17,271 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [999012654] [2024-11-13 14:23:17,271 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [999012654] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 14:23:17,271 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [213690476] [2024-11-13 14:23:17,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:23:17,271 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:23:17,272 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cf15e4a-abe8-4915-8442-385fb515ab44/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:23:17,273 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cf15e4a-abe8-4915-8442-385fb515ab44/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 14:23:17,274 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cf15e4a-abe8-4915-8442-385fb515ab44/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-13 14:23:24,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:23:24,437 INFO L255 TraceCheckSpWp]: Trace formula consists of 3319 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 14:23:24,443 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:23:26,027 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2024-11-13 14:23:26,027 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 14:23:26,027 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [213690476] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:23:26,027 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 14:23:26,027 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [12] total 17 [2024-11-13 14:23:26,028 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [853845503] [2024-11-13 14:23:26,028 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:23:26,028 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-13 14:23:26,028 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:23:26,029 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-13 14:23:26,029 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=233, Unknown=0, NotChecked=0, Total=272 [2024-11-13 14:23:26,029 INFO L87 Difference]: Start difference. First operand 41840 states and 60033 transitions. Second operand has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 5 states have internal predecessors, (61), 3 states have call successors, (17), 3 states have call predecessors, (17), 3 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-13 14:23:29,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:23:29,928 INFO L93 Difference]: Finished difference Result 97677 states and 140195 transitions. [2024-11-13 14:23:29,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-13 14:23:29,929 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 5 states have internal predecessors, (61), 3 states have call successors, (17), 3 states have call predecessors, (17), 3 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) Word has length 137 [2024-11-13 14:23:29,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:23:30,259 INFO L225 Difference]: With dead ends: 97677 [2024-11-13 14:23:30,260 INFO L226 Difference]: Without dead ends: 55858 [2024-11-13 14:23:30,444 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 187 GetRequests, 166 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=69, Invalid=437, Unknown=0, NotChecked=0, Total=506 [2024-11-13 14:23:30,444 INFO L432 NwaCegarLoop]: 3991 mSDtfsCounter, 2514 mSDsluCounter, 18413 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2518 SdHoareTripleChecker+Valid, 22404 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-13 14:23:30,445 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2518 Valid, 22404 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-13 14:23:30,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55858 states. [2024-11-13 14:23:32,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55858 to 55688. [2024-11-13 14:23:32,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55688 states, 41440 states have (on average 1.3292953667953669) internal successors, (55086), 42167 states have internal predecessors, (55086), 11463 states have call successors, (11463), 2629 states have call predecessors, (11463), 2784 states have return successors, (13452), 11478 states have call predecessors, (13452), 11462 states have call successors, (13452) [2024-11-13 14:23:33,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55688 states to 55688 states and 80001 transitions. [2024-11-13 14:23:33,241 INFO L78 Accepts]: Start accepts. Automaton has 55688 states and 80001 transitions. Word has length 137 [2024-11-13 14:23:33,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:23:33,241 INFO L471 AbstractCegarLoop]: Abstraction has 55688 states and 80001 transitions. [2024-11-13 14:23:33,242 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 5 states have internal predecessors, (61), 3 states have call successors, (17), 3 states have call predecessors, (17), 3 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-13 14:23:33,242 INFO L276 IsEmpty]: Start isEmpty. Operand 55688 states and 80001 transitions. [2024-11-13 14:23:33,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2024-11-13 14:23:33,254 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:23:33,254 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:23:33,291 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cf15e4a-abe8-4915-8442-385fb515ab44/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-13 14:23:33,455 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cf15e4a-abe8-4915-8442-385fb515ab44/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:23:33,455 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:23:33,456 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:23:33,456 INFO L85 PathProgramCache]: Analyzing trace with hash -196211989, now seen corresponding path program 1 times [2024-11-13 14:23:33,456 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:23:33,456 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [155255359] [2024-11-13 14:23:33,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:23:33,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:23:40,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:23:42,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 14:23:42,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:23:42,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 14:23:42,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:23:42,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 14:23:42,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:23:42,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-13 14:23:42,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:23:42,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 14:23:42,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:23:42,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 14:23:42,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:23:42,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-13 14:23:42,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:23:42,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 14:23:42,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:23:42,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 14:23:42,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:23:42,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-13 14:23:42,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:23:42,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 14:23:42,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:23:42,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 14:23:42,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:23:42,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-13 14:23:42,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:23:42,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-13 14:23:42,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:23:43,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-13 14:23:43,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:23:43,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-13 14:23:43,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:23:43,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-13 14:23:43,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:23:43,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-13 14:23:43,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:23:43,505 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2024-11-13 14:23:43,506 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:23:43,506 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [155255359] [2024-11-13 14:23:43,506 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [155255359] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 14:23:43,506 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2089037857] [2024-11-13 14:23:43,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:23:43,506 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:23:43,506 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cf15e4a-abe8-4915-8442-385fb515ab44/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:23:43,510 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cf15e4a-abe8-4915-8442-385fb515ab44/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 14:23:43,513 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cf15e4a-abe8-4915-8442-385fb515ab44/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-13 14:23:52,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:23:52,941 INFO L255 TraceCheckSpWp]: Trace formula consists of 3321 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 14:23:52,945 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:23:54,582 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2024-11-13 14:23:54,582 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 14:23:54,583 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2089037857] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:23:54,583 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 14:23:54,583 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [12] total 17 [2024-11-13 14:23:54,583 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1749051157] [2024-11-13 14:23:54,583 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:23:54,584 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-13 14:23:54,584 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:23:54,585 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-13 14:23:54,585 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=233, Unknown=0, NotChecked=0, Total=272 [2024-11-13 14:23:54,586 INFO L87 Difference]: Start difference. First operand 55688 states and 80001 transitions. Second operand has 7 states, 7 states have (on average 8.857142857142858) internal successors, (62), 5 states have internal predecessors, (62), 3 states have call successors, (17), 3 states have call predecessors, (17), 3 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-13 14:23:58,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:23:58,791 INFO L93 Difference]: Finished difference Result 125362 states and 180113 transitions. [2024-11-13 14:23:58,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-13 14:23:58,792 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.857142857142858) internal successors, (62), 5 states have internal predecessors, (62), 3 states have call successors, (17), 3 states have call predecessors, (17), 3 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) Word has length 138 [2024-11-13 14:23:58,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:23:59,608 INFO L225 Difference]: With dead ends: 125362 [2024-11-13 14:23:59,609 INFO L226 Difference]: Without dead ends: 69695 [2024-11-13 14:23:59,943 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 188 GetRequests, 167 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=69, Invalid=437, Unknown=0, NotChecked=0, Total=506 [2024-11-13 14:23:59,945 INFO L432 NwaCegarLoop]: 3982 mSDtfsCounter, 2514 mSDsluCounter, 18377 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2518 SdHoareTripleChecker+Valid, 22359 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-13 14:23:59,946 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2518 Valid, 22359 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-13 14:24:00,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69695 states. [2024-11-13 14:24:02,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69695 to 55710. [2024-11-13 14:24:02,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55710 states, 41456 states have (on average 1.3291682747973754) internal successors, (55102), 42185 states have internal predecessors, (55102), 11463 states have call successors, (11463), 2629 states have call predecessors, (11463), 2790 states have return successors, (13461), 11482 states have call predecessors, (13461), 11462 states have call successors, (13461) [2024-11-13 14:24:02,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55710 states to 55710 states and 80026 transitions. [2024-11-13 14:24:02,989 INFO L78 Accepts]: Start accepts. Automaton has 55710 states and 80026 transitions. Word has length 138 [2024-11-13 14:24:02,989 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:24:02,989 INFO L471 AbstractCegarLoop]: Abstraction has 55710 states and 80026 transitions. [2024-11-13 14:24:02,989 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.857142857142858) internal successors, (62), 5 states have internal predecessors, (62), 3 states have call successors, (17), 3 states have call predecessors, (17), 3 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-13 14:24:02,990 INFO L276 IsEmpty]: Start isEmpty. Operand 55710 states and 80026 transitions. [2024-11-13 14:24:03,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-11-13 14:24:03,000 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:24:03,001 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:24:03,036 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cf15e4a-abe8-4915-8442-385fb515ab44/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-13 14:24:03,201 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cf15e4a-abe8-4915-8442-385fb515ab44/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:24:03,201 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:24:03,202 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:24:03,202 INFO L85 PathProgramCache]: Analyzing trace with hash 1100632259, now seen corresponding path program 1 times [2024-11-13 14:24:03,202 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:24:03,202 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1398255731] [2024-11-13 14:24:03,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:24:03,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:24:11,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:24:15,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 14:24:15,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:24:15,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 14:24:15,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:24:15,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 14:24:15,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:24:15,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-13 14:24:15,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:24:15,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 14:24:15,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:24:15,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 14:24:15,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:24:15,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-13 14:24:15,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:24:15,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 14:24:15,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:24:15,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 14:24:15,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:24:15,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-13 14:24:15,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:24:15,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 14:24:15,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:24:15,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 14:24:15,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:24:15,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-13 14:24:15,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:24:15,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-13 14:24:15,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:24:16,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-13 14:24:16,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:24:17,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-13 14:24:17,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:24:17,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-13 14:24:17,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:24:17,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-13 14:24:17,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:24:17,315 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2024-11-13 14:24:17,315 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:24:17,315 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1398255731] [2024-11-13 14:24:17,315 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1398255731] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 14:24:17,315 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1835653012] [2024-11-13 14:24:17,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:24:17,316 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:24:17,316 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cf15e4a-abe8-4915-8442-385fb515ab44/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:24:17,319 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cf15e4a-abe8-4915-8442-385fb515ab44/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 14:24:17,321 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cf15e4a-abe8-4915-8442-385fb515ab44/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-13 14:24:26,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:24:26,757 INFO L255 TraceCheckSpWp]: Trace formula consists of 3323 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 14:24:26,767 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:24:28,332 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2024-11-13 14:24:28,333 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 14:24:28,333 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1835653012] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:24:28,334 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 14:24:28,334 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [12] total 17 [2024-11-13 14:24:28,334 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1623588954] [2024-11-13 14:24:28,334 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:24:28,335 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-13 14:24:28,337 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:24:28,338 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-13 14:24:28,338 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=233, Unknown=0, NotChecked=0, Total=272 [2024-11-13 14:24:28,338 INFO L87 Difference]: Start difference. First operand 55710 states and 80026 transitions. Second operand has 7 states, 7 states have (on average 9.0) internal successors, (63), 5 states have internal predecessors, (63), 3 states have call successors, (17), 3 states have call predecessors, (17), 3 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-13 14:24:35,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:24:35,887 INFO L93 Difference]: Finished difference Result 125392 states and 180146 transitions. [2024-11-13 14:24:35,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-13 14:24:35,888 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.0) internal successors, (63), 5 states have internal predecessors, (63), 3 states have call successors, (17), 3 states have call predecessors, (17), 3 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) Word has length 139 [2024-11-13 14:24:35,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:24:36,536 INFO L225 Difference]: With dead ends: 125392 [2024-11-13 14:24:36,536 INFO L226 Difference]: Without dead ends: 69703 [2024-11-13 14:24:36,890 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 189 GetRequests, 168 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 5.8s TimeCoverageRelationStatistics Valid=69, Invalid=437, Unknown=0, NotChecked=0, Total=506 [2024-11-13 14:24:36,891 INFO L432 NwaCegarLoop]: 3983 mSDtfsCounter, 2513 mSDsluCounter, 18381 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2517 SdHoareTripleChecker+Valid, 22364 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-13 14:24:36,893 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2517 Valid, 22364 Invalid, 82 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-13 14:24:36,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69703 states. [2024-11-13 14:24:40,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69703 to 55723. [2024-11-13 14:24:40,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55723 states, 41466 states have (on average 1.3290888921043746) internal successors, (55112), 42194 states have internal predecessors, (55112), 11463 states have call successors, (11463), 2629 states have call predecessors, (11463), 2793 states have return successors, (13464), 11486 states have call predecessors, (13464), 11462 states have call successors, (13464) [2024-11-13 14:24:40,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55723 states to 55723 states and 80039 transitions. [2024-11-13 14:24:40,976 INFO L78 Accepts]: Start accepts. Automaton has 55723 states and 80039 transitions. Word has length 139 [2024-11-13 14:24:40,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:24:40,977 INFO L471 AbstractCegarLoop]: Abstraction has 55723 states and 80039 transitions. [2024-11-13 14:24:40,977 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.0) internal successors, (63), 5 states have internal predecessors, (63), 3 states have call successors, (17), 3 states have call predecessors, (17), 3 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-13 14:24:40,977 INFO L276 IsEmpty]: Start isEmpty. Operand 55723 states and 80039 transitions. [2024-11-13 14:24:40,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-11-13 14:24:40,989 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:24:40,989 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:24:41,027 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cf15e4a-abe8-4915-8442-385fb515ab44/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-13 14:24:41,189 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cf15e4a-abe8-4915-8442-385fb515ab44/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:24:41,190 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:24:41,191 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:24:41,191 INFO L85 PathProgramCache]: Analyzing trace with hash 85895397, now seen corresponding path program 1 times [2024-11-13 14:24:41,191 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:24:41,191 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1566100736] [2024-11-13 14:24:41,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:24:41,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:24:48,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:24:50,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 14:24:50,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:24:50,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 14:24:50,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:24:50,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 14:24:50,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:24:50,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-13 14:24:50,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:24:50,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 14:24:50,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:24:50,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 14:24:50,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:24:50,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-13 14:24:50,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:24:50,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 14:24:50,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:24:50,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 14:24:50,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:24:50,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-13 14:24:50,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:24:50,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 14:24:50,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:24:50,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 14:24:50,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:24:50,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-13 14:24:50,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:24:50,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-13 14:24:50,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:24:51,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-13 14:24:51,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:24:51,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-13 14:24:51,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:24:52,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-13 14:24:52,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:24:52,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-13 14:24:52,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:24:52,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-13 14:24:52,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:24:52,511 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 19 proven. 8 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2024-11-13 14:24:52,514 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:24:52,514 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1566100736] [2024-11-13 14:24:52,514 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1566100736] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 14:24:52,514 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2009293258] [2024-11-13 14:24:52,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:24:52,515 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:24:52,515 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cf15e4a-abe8-4915-8442-385fb515ab44/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:24:52,519 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cf15e4a-abe8-4915-8442-385fb515ab44/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 14:24:52,520 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cf15e4a-abe8-4915-8442-385fb515ab44/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-13 14:25:00,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:25:00,746 INFO L255 TraceCheckSpWp]: Trace formula consists of 3434 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 14:25:00,765 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:25:04,040 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 14 proven. 7 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2024-11-13 14:25:04,041 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 14:25:09,708 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 17 proven. 3 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2024-11-13 14:25:09,708 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2009293258] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 14:25:09,709 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 14:25:09,709 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 10, 10] total 23 [2024-11-13 14:25:09,709 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2060558353] [2024-11-13 14:25:09,709 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 14:25:09,716 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-11-13 14:25:09,716 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:25:09,718 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-11-13 14:25:09,718 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=447, Unknown=0, NotChecked=0, Total=506 [2024-11-13 14:25:09,719 INFO L87 Difference]: Start difference. First operand 55723 states and 80039 transitions. Second operand has 23 states, 23 states have (on average 5.3478260869565215) internal successors, (123), 15 states have internal predecessors, (123), 5 states have call successors, (32), 8 states have call predecessors, (32), 7 states have return successors, (25), 6 states have call predecessors, (25), 5 states have call successors, (25) [2024-11-13 14:25:13,801 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 14:25:18,222 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.42s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 14:25:22,530 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 14:25:26,938 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.41s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 14:25:31,285 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.35s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 14:25:35,658 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.37s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 14:25:40,023 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.36s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []