./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-32_7a-drivers--net--wireless--ipw2x00--ipw2100.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39d0fdc5-9768-4ce2-8406-aca79dc66aa4/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39d0fdc5-9768-4ce2-8406-aca79dc66aa4/bin/utaipan-verify-nQ1chXbOIh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39d0fdc5-9768-4ce2-8406-aca79dc66aa4/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39d0fdc5-9768-4ce2-8406-aca79dc66aa4/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--wireless--ipw2x00--ipw2100.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39d0fdc5-9768-4ce2-8406-aca79dc66aa4/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39d0fdc5-9768-4ce2-8406-aca79dc66aa4/bin/utaipan-verify-nQ1chXbOIh --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 8961834cfefda1ed7addea1dfdc39d7ab34144e8e84b8977b62d497cd3250861 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 18:07:11,032 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 18:07:11,096 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39d0fdc5-9768-4ce2-8406-aca79dc66aa4/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-12-02 18:07:11,100 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 18:07:11,100 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 18:07:11,124 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 18:07:11,124 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 18:07:11,125 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 18:07:11,125 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 18:07:11,126 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 18:07:11,126 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 18:07:11,127 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 18:07:11,127 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 18:07:11,128 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-12-02 18:07:11,128 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 18:07:11,129 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 18:07:11,130 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-12-02 18:07:11,130 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-12-02 18:07:11,130 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 18:07:11,131 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-12-02 18:07:11,132 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-12-02 18:07:11,133 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-12-02 18:07:11,133 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 18:07:11,134 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 18:07:11,134 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 18:07:11,135 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 18:07:11,135 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 18:07:11,136 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 18:07:11,136 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 18:07:11,137 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 18:07:11,137 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 18:07:11,138 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 18:07:11,138 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 18:07:11,138 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 18:07:11,138 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 18:07:11,139 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 18:07:11,139 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 18:07:11,139 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 18:07:11,139 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-12-02 18:07:11,139 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 18:07:11,140 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 18:07:11,140 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 18:07:11,140 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 18:07:11,140 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 18:07:11,141 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39d0fdc5-9768-4ce2-8406-aca79dc66aa4/bin/utaipan-verify-nQ1chXbOIh/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39d0fdc5-9768-4ce2-8406-aca79dc66aa4/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8961834cfefda1ed7addea1dfdc39d7ab34144e8e84b8977b62d497cd3250861 [2023-12-02 18:07:11,367 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 18:07:11,387 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 18:07:11,390 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 18:07:11,391 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 18:07:11,391 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 18:07:11,393 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39d0fdc5-9768-4ce2-8406-aca79dc66aa4/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--wireless--ipw2x00--ipw2100.ko-entry_point.cil.out.i [2023-12-02 18:07:14,176 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 18:07:14,953 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 18:07:14,953 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39d0fdc5-9768-4ce2-8406-aca79dc66aa4/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--wireless--ipw2x00--ipw2100.ko-entry_point.cil.out.i [2023-12-02 18:07:15,019 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39d0fdc5-9768-4ce2-8406-aca79dc66aa4/bin/utaipan-verify-nQ1chXbOIh/data/f26c64422/b217a52e43954c738974acaf528ef63e/FLAGe30522d59 [2023-12-02 18:07:15,048 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39d0fdc5-9768-4ce2-8406-aca79dc66aa4/bin/utaipan-verify-nQ1chXbOIh/data/f26c64422/b217a52e43954c738974acaf528ef63e [2023-12-02 18:07:15,050 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 18:07:15,052 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 18:07:15,053 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 18:07:15,053 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 18:07:15,058 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 18:07:15,058 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:07:15" (1/1) ... [2023-12-02 18:07:15,059 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e1700f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:07:15, skipping insertion in model container [2023-12-02 18:07:15,059 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:07:15" (1/1) ... [2023-12-02 18:07:15,281 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 18:07:21,174 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39d0fdc5-9768-4ce2-8406-aca79dc66aa4/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--wireless--ipw2x00--ipw2100.ko-entry_point.cil.out.i[745601,745614] [2023-12-02 18:07:21,664 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 18:07:21,748 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 18:07:21,881 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"); [7389] [2023-12-02 18:07:21,883 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)); [7396] [2023-12-02 18:07:21,884 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; bts %2, %0; setc %1": "+m" (*addr), "=qm" (c): "Ir" (nr): "memory"); [7404-7405] [2023-12-02 18:07:21,890 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%1,%0": "=q" (pfo_ret__): "m" (__preempt_count)); [7649] [2023-12-02 18:07:21,891 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [7652] [2023-12-02 18:07:21,891 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [7655] [2023-12-02 18:07:21,892 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [7658] [2023-12-02 18:07:21,895 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr)): "memory"); [7779] [2023-12-02 18:07:21,907 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)); [8066-8067] [2023-12-02 18:07:21,910 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)); [8095-8096] [2023-12-02 18:07:21,911 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" (108), "i" (12UL)); [8125-8126] [2023-12-02 18:07:21,912 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" (120), "i" (12UL)); [8155-8156] [2023-12-02 18:07:22,066 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [12682] [2023-12-02 18:07:22,423 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39d0fdc5-9768-4ce2-8406-aca79dc66aa4/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--wireless--ipw2x00--ipw2100.ko-entry_point.cil.out.i[745601,745614] [2023-12-02 18:07:22,466 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 18:07:22,712 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 18:07:22,712 WARN L675 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 18:07:22,712 WARN L675 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 18:07:22,719 INFO L206 MainTranslator]: Completed translation [2023-12-02 18:07:22,719 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:07:22 WrapperNode [2023-12-02 18:07:22,719 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 18:07:22,720 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 18:07:22,720 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 18:07:22,721 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 18:07:22,727 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:07:22" (1/1) ... [2023-12-02 18:07:22,888 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:07:22" (1/1) ... [2023-12-02 18:07:23,299 INFO L138 Inliner]: procedures = 650, calls = 12300, calls flagged for inlining = 302, calls inlined = 226, statements flattened = 18301 [2023-12-02 18:07:23,299 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 18:07:23,300 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 18:07:23,300 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 18:07:23,300 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 18:07:23,310 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:07:22" (1/1) ... [2023-12-02 18:07:23,311 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:07:22" (1/1) ... [2023-12-02 18:07:23,447 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:07:22" (1/1) ... [2023-12-02 18:07:23,448 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:07:22" (1/1) ... [2023-12-02 18:07:23,778 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:07:22" (1/1) ... [2023-12-02 18:07:23,822 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:07:22" (1/1) ... [2023-12-02 18:07:23,907 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:07:22" (1/1) ... [2023-12-02 18:07:23,943 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:07:22" (1/1) ... [2023-12-02 18:07:24,047 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 18:07:24,048 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 18:07:24,049 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 18:07:24,049 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 18:07:24,050 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:07:22" (1/1) ... [2023-12-02 18:07:24,056 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 18:07:24,067 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39d0fdc5-9768-4ce2-8406-aca79dc66aa4/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 18:07:24,081 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39d0fdc5-9768-4ce2-8406-aca79dc66aa4/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 18:07:24,094 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39d0fdc5-9768-4ce2-8406-aca79dc66aa4/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 18:07:24,128 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2023-12-02 18:07:24,128 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2023-12-02 18:07:24,128 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-12-02 18:07:24,129 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-12-02 18:07:24,129 INFO L130 BoogieDeclarations]: Found specification of procedure read_register [2023-12-02 18:07:24,129 INFO L138 BoogieDeclarations]: Found implementation of procedure read_register [2023-12-02 18:07:24,129 INFO L130 BoogieDeclarations]: Found specification of procedure eth_zero_addr [2023-12-02 18:07:24,129 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_zero_addr [2023-12-02 18:07:24,129 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_tx_send_data [2023-12-02 18:07:24,129 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_tx_send_data [2023-12-02 18:07:24,130 INFO L130 BoogieDeclarations]: Found specification of procedure write_register_byte [2023-12-02 18:07:24,130 INFO L138 BoogieDeclarations]: Found implementation of procedure write_register_byte [2023-12-02 18:07:24,130 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2023-12-02 18:07:24,130 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2023-12-02 18:07:24,130 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-12-02 18:07:24,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-12-02 18:07:24,131 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2023-12-02 18:07:24,131 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2023-12-02 18:07:24,131 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work [2023-12-02 18:07:24,131 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work [2023-12-02 18:07:24,131 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_release_firmware [2023-12-02 18:07:24,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_release_firmware [2023-12-02 18:07:24,131 INFO L130 BoogieDeclarations]: Found specification of procedure __tolower [2023-12-02 18:07:24,131 INFO L138 BoogieDeclarations]: Found implementation of procedure __tolower [2023-12-02 18:07:24,132 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_configure_security [2023-12-02 18:07:24,132 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_configure_security [2023-12-02 18:07:24,132 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_7 [2023-12-02 18:07:24,132 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_7 [2023-12-02 18:07:24,132 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2023-12-02 18:07:24,132 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2023-12-02 18:07:24,132 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2023-12-02 18:07:24,133 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2023-12-02 18:07:24,133 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_reset_adapter [2023-12-02 18:07:24,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_reset_adapter [2023-12-02 18:07:24,133 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_set_security_information [2023-12-02 18:07:24,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_set_security_information [2023-12-02 18:07:24,133 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2023-12-02 18:07:24,133 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2023-12-02 18:07:24,134 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-12-02 18:07:24,134 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-12-02 18:07:24,134 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-12-02 18:07:24,134 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2023-12-02 18:07:24,134 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2023-12-02 18:07:24,134 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2023-12-02 18:07:24,134 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2023-12-02 18:07:24,135 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2023-12-02 18:07:24,135 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2023-12-02 18:07:24,135 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_set_mandatory_bssid [2023-12-02 18:07:24,135 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_set_mandatory_bssid [2023-12-02 18:07:24,135 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-12-02 18:07:24,136 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-12-02 18:07:24,136 INFO L130 BoogieDeclarations]: Found specification of procedure wiphy_rfkill_set_hw_state [2023-12-02 18:07:24,136 INFO L138 BoogieDeclarations]: Found implementation of procedure wiphy_rfkill_set_hw_state [2023-12-02 18:07:24,136 INFO L130 BoogieDeclarations]: Found specification of procedure wiphy_unregister [2023-12-02 18:07:24,136 INFO L138 BoogieDeclarations]: Found implementation of procedure wiphy_unregister [2023-12-02 18:07:24,136 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_disable_adapter [2023-12-02 18:07:24,137 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_disable_adapter [2023-12-02 18:07:24,137 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2023-12-02 18:07:24,137 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2023-12-02 18:07:24,137 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 18:07:24,137 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_hw_send_command [2023-12-02 18:07:24,138 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_hw_send_command [2023-12-02 18:07:24,138 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2023-12-02 18:07:24,138 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2023-12-02 18:07:24,138 INFO L130 BoogieDeclarations]: Found specification of procedure read_nic_word [2023-12-02 18:07:24,138 INFO L138 BoogieDeclarations]: Found implementation of procedure read_nic_word [2023-12-02 18:07:24,138 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-12-02 18:07:24,138 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-12-02 18:07:24,139 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_set_power_mode [2023-12-02 18:07:24,139 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_set_power_mode [2023-12-02 18:07:24,139 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-12-02 18:07:24,139 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-12-02 18:07:24,139 INFO L130 BoogieDeclarations]: Found specification of procedure write_nic_byte [2023-12-02 18:07:24,139 INFO L138 BoogieDeclarations]: Found implementation of procedure write_nic_byte [2023-12-02 18:07:24,140 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2023-12-02 18:07:24,140 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2023-12-02 18:07:24,140 INFO L130 BoogieDeclarations]: Found specification of procedure round_jiffies_relative [2023-12-02 18:07:24,140 INFO L138 BoogieDeclarations]: Found implementation of procedure round_jiffies_relative [2023-12-02 18:07:24,140 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-12-02 18:07:24,140 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-12-02 18:07:24,140 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-12-02 18:07:24,141 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2023-12-02 18:07:24,141 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2023-12-02 18:07:24,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-12-02 18:07:24,141 INFO L130 BoogieDeclarations]: Found specification of procedure write_nic_dword [2023-12-02 18:07:24,141 INFO L138 BoogieDeclarations]: Found implementation of procedure write_nic_dword [2023-12-02 18:07:24,141 INFO L130 BoogieDeclarations]: Found specification of procedure pci_zalloc_consistent [2023-12-02 18:07:24,141 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_zalloc_consistent [2023-12-02 18:07:24,141 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_set_channel [2023-12-02 18:07:24,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_set_channel [2023-12-02 18:07:24,142 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-02 18:07:24,142 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2023-12-02 18:07:24,142 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2023-12-02 18:07:24,142 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_up [2023-12-02 18:07:24,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_up [2023-12-02 18:07:24,143 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_tx_send_commands [2023-12-02 18:07:24,143 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_tx_send_commands [2023-12-02 18:07:24,143 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-12-02 18:07:24,143 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-12-02 18:07:24,143 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2023-12-02 18:07:24,143 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2023-12-02 18:07:24,143 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2023-12-02 18:07:24,144 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2023-12-02 18:07:24,144 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_enable_adapter [2023-12-02 18:07:24,144 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_enable_adapter [2023-12-02 18:07:24,144 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2023-12-02 18:07:24,144 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2023-12-02 18:07:24,144 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_action_mutex_of_ipw2100_priv [2023-12-02 18:07:24,144 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_action_mutex_of_ipw2100_priv [2023-12-02 18:07:24,145 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_set_scan_options [2023-12-02 18:07:24,145 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_set_scan_options [2023-12-02 18:07:24,145 INFO L130 BoogieDeclarations]: Found specification of procedure libipw_txb_free [2023-12-02 18:07:24,145 INFO L138 BoogieDeclarations]: Found implementation of procedure libipw_txb_free [2023-12-02 18:07:24,145 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_reset_fatalerror [2023-12-02 18:07:24,145 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_reset_fatalerror [2023-12-02 18:07:24,145 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2023-12-02 18:07:24,146 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2023-12-02 18:07:24,146 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_scan_event [2023-12-02 18:07:24,146 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_scan_event [2023-12-02 18:07:24,146 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-02 18:07:24,146 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 18:07:24,146 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_set_tx_rates [2023-12-02 18:07:24,146 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_set_tx_rates [2023-12-02 18:07:24,146 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-12-02 18:07:24,147 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-12-02 18:07:24,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-02 18:07:24,147 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_dword [2023-12-02 18:07:24,147 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_dword [2023-12-02 18:07:24,147 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-12-02 18:07:24,147 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_snapshot_free [2023-12-02 18:07:24,147 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_snapshot_free [2023-12-02 18:07:24,148 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_security_work [2023-12-02 18:07:24,148 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_security_work [2023-12-02 18:07:24,148 INFO L130 BoogieDeclarations]: Found specification of procedure snprint_line [2023-12-02 18:07:24,148 INFO L138 BoogieDeclarations]: Found implementation of procedure snprint_line [2023-12-02 18:07:24,148 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2023-12-02 18:07:24,148 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2023-12-02 18:07:24,148 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_reset [2023-12-02 18:07:24,148 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_reset [2023-12-02 18:07:24,149 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2023-12-02 18:07:24,149 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2023-12-02 18:07:24,149 INFO L130 BoogieDeclarations]: Found specification of procedure sw_reset_and_clock [2023-12-02 18:07:24,149 INFO L138 BoogieDeclarations]: Found implementation of procedure sw_reset_and_clock [2023-12-02 18:07:24,149 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_enable_interrupts [2023-12-02 18:07:24,149 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_enable_interrupts [2023-12-02 18:07:24,149 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_delayed_work [2023-12-02 18:07:24,150 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_delayed_work [2023-12-02 18:07:24,150 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_resume [2023-12-02 18:07:24,150 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_resume [2023-12-02 18:07:24,150 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout_uninterruptible [2023-12-02 18:07:24,150 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout_uninterruptible [2023-12-02 18:07:24,150 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 18:07:24,150 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 18:07:24,150 INFO L130 BoogieDeclarations]: Found specification of procedure wireless_send_event [2023-12-02 18:07:24,151 INFO L138 BoogieDeclarations]: Found implementation of procedure wireless_send_event [2023-12-02 18:07:24,151 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_pci_remove_one [2023-12-02 18:07:24,151 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_pci_remove_one [2023-12-02 18:07:24,151 INFO L130 BoogieDeclarations]: Found specification of procedure bd_queue_free [2023-12-02 18:07:24,151 INFO L138 BoogieDeclarations]: Found implementation of procedure bd_queue_free [2023-12-02 18:07:24,151 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2023-12-02 18:07:24,151 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2023-12-02 18:07:24,151 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-12-02 18:07:24,152 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-12-02 18:07:24,152 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-12-02 18:07:24,152 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-12-02 18:07:24,152 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_alloc_skb [2023-12-02 18:07:24,152 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_alloc_skb [2023-12-02 18:07:24,152 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work_sync [2023-12-02 18:07:24,152 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work_sync [2023-12-02 18:07:24,152 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_get_ordinal [2023-12-02 18:07:24,153 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_get_ordinal [2023-12-02 18:07:24,153 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_hw_stop_adapter [2023-12-02 18:07:24,153 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_hw_stop_adapter [2023-12-02 18:07:24,153 INFO L130 BoogieDeclarations]: Found specification of procedure write_register [2023-12-02 18:07:24,153 INFO L138 BoogieDeclarations]: Found implementation of procedure write_register [2023-12-02 18:07:24,153 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_hw_set_gpio [2023-12-02 18:07:24,153 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_hw_set_gpio [2023-12-02 18:07:24,153 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2023-12-02 18:07:24,154 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2023-12-02 18:07:24,154 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_down [2023-12-02 18:07:24,154 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_down [2023-12-02 18:07:24,154 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_adapter_mutex_of_ipw2100_priv [2023-12-02 18:07:24,154 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_adapter_mutex_of_ipw2100_priv [2023-12-02 18:07:24,154 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_close [2023-12-02 18:07:24,154 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_close [2023-12-02 18:07:24,154 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_wait_for_card_state [2023-12-02 18:07:24,155 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_wait_for_card_state [2023-12-02 18:07:24,155 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-12-02 18:07:24,155 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-12-02 18:07:24,155 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-12-02 18:07:24,155 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-12-02 18:07:24,155 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2023-12-02 18:07:24,155 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2023-12-02 18:07:24,155 INFO L130 BoogieDeclarations]: Found specification of procedure read_register_byte [2023-12-02 18:07:24,156 INFO L138 BoogieDeclarations]: Found implementation of procedure read_register_byte [2023-12-02 18:07:24,156 INFO L130 BoogieDeclarations]: Found specification of procedure status_queue_free [2023-12-02 18:07:24,156 INFO L138 BoogieDeclarations]: Found implementation of procedure status_queue_free [2023-12-02 18:07:24,156 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2023-12-02 18:07:24,156 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2023-12-02 18:07:24,156 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_wx_event_work [2023-12-02 18:07:24,156 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_wx_event_work [2023-12-02 18:07:24,156 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_hang_check [2023-12-02 18:07:24,157 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_hang_check [2023-12-02 18:07:24,157 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-12-02 18:07:24,157 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-12-02 18:07:24,157 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 18:07:24,157 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 18:07:24,157 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_rf_kill [2023-12-02 18:07:24,157 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_rf_kill [2023-12-02 18:07:24,157 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-12-02 18:07:24,158 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-12-02 18:07:24,158 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_rx_free [2023-12-02 18:07:24,158 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_rx_free [2023-12-02 18:07:24,158 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2023-12-02 18:07:24,158 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2023-12-02 18:07:24,158 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2023-12-02 18:07:24,158 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2023-12-02 18:07:24,158 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2023-12-02 18:07:24,159 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2023-12-02 18:07:24,159 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 18:07:24,159 INFO L130 BoogieDeclarations]: Found specification of procedure mod_delayed_work [2023-12-02 18:07:24,159 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_delayed_work [2023-12-02 18:07:24,159 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-12-02 18:07:24,159 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-12-02 18:07:24,159 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_shutdown [2023-12-02 18:07:24,159 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_shutdown [2023-12-02 18:07:24,159 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_set_address [2023-12-02 18:07:24,160 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_set_address [2023-12-02 18:07:24,160 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-02 18:07:24,160 INFO L130 BoogieDeclarations]: Found specification of procedure write_nic_word [2023-12-02 18:07:24,160 INFO L138 BoogieDeclarations]: Found implementation of procedure write_nic_word [2023-12-02 18:07:24,160 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_tx_free [2023-12-02 18:07:24,160 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_tx_free [2023-12-02 18:07:24,160 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_set_mac_address [2023-12-02 18:07:24,161 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_set_mac_address [2023-12-02 18:07:24,161 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_set_essid [2023-12-02 18:07:24,161 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_set_essid [2023-12-02 18:07:24,161 INFO L130 BoogieDeclarations]: Found specification of procedure disable_work_7 [2023-12-02 18:07:24,161 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_work_7 [2023-12-02 18:07:24,161 INFO L130 BoogieDeclarations]: Found specification of procedure is_zero_ether_addr [2023-12-02 18:07:24,161 INFO L138 BoogieDeclarations]: Found implementation of procedure is_zero_ether_addr [2023-12-02 18:07:24,161 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-12-02 18:07:24,161 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-12-02 18:07:24,162 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-12-02 18:07:24,162 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_disable_interrupts [2023-12-02 18:07:24,162 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_disable_interrupts [2023-12-02 18:07:24,162 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2023-12-02 18:07:24,162 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2023-12-02 18:07:24,162 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2023-12-02 18:07:24,162 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2023-12-02 18:07:24,162 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_set_rts_threshold [2023-12-02 18:07:24,162 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_set_rts_threshold [2023-12-02 18:07:24,163 INFO L130 BoogieDeclarations]: Found specification of procedure read_nic_byte [2023-12-02 18:07:24,163 INFO L138 BoogieDeclarations]: Found implementation of procedure read_nic_byte [2023-12-02 18:07:24,163 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-12-02 18:07:24,163 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-12-02 18:07:24,163 INFO L130 BoogieDeclarations]: Found specification of procedure free_libipw [2023-12-02 18:07:24,163 INFO L138 BoogieDeclarations]: Found implementation of procedure free_libipw [2023-12-02 18:07:24,163 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2023-12-02 18:07:24,163 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2023-12-02 18:07:24,164 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_msg_free [2023-12-02 18:07:24,164 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_msg_free [2023-12-02 18:07:24,164 INFO L130 BoogieDeclarations]: Found specification of procedure printk_buf [2023-12-02 18:07:24,164 INFO L138 BoogieDeclarations]: Found implementation of procedure printk_buf [2023-12-02 18:07:24,164 INFO L130 BoogieDeclarations]: Found specification of procedure ipw_ethtool_get_drvinfo [2023-12-02 18:07:24,164 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw_ethtool_get_drvinfo [2023-12-02 18:07:24,164 INFO L130 BoogieDeclarations]: Found specification of procedure libipw_change_mtu [2023-12-02 18:07:24,164 INFO L138 BoogieDeclarations]: Found implementation of procedure libipw_change_mtu [2023-12-02 18:07:24,165 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_dword [2023-12-02 18:07:24,165 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_dword [2023-12-02 18:07:24,165 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_set_tx_power [2023-12-02 18:07:24,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_set_tx_power [2023-12-02 18:07:24,165 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2023-12-02 18:07:24,165 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2023-12-02 18:07:24,165 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_array [2023-12-02 18:07:24,165 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_array [2023-12-02 18:07:24,165 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_remove_group [2023-12-02 18:07:24,166 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_remove_group [2023-12-02 18:07:24,166 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_system_config [2023-12-02 18:07:24,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_system_config [2023-12-02 18:07:24,166 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_kill_works [2023-12-02 18:07:24,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_kill_works [2023-12-02 18:07:24,166 INFO L130 BoogieDeclarations]: Found specification of procedure strnlen [2023-12-02 18:07:24,166 INFO L138 BoogieDeclarations]: Found implementation of procedure strnlen [2023-12-02 18:07:24,166 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-12-02 18:07:24,166 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-12-02 18:07:24,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-02 18:07:24,167 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2023-12-02 18:07:24,167 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2023-12-02 18:07:24,167 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_queues_free [2023-12-02 18:07:24,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_queues_free [2023-12-02 18:07:24,167 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-12-02 18:07:24,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-12-02 18:07:24,167 INFO L130 BoogieDeclarations]: Found specification of procedure rf_kill_active [2023-12-02 18:07:24,168 INFO L138 BoogieDeclarations]: Found implementation of procedure rf_kill_active [2023-12-02 18:07:24,168 INFO L130 BoogieDeclarations]: Found specification of procedure get_seconds [2023-12-02 18:07:24,168 INFO L138 BoogieDeclarations]: Found implementation of procedure get_seconds [2023-12-02 18:07:24,168 INFO L130 BoogieDeclarations]: Found specification of procedure bd_queue_allocate [2023-12-02 18:07:24,168 INFO L138 BoogieDeclarations]: Found implementation of procedure bd_queue_allocate [2023-12-02 18:07:24,168 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2023-12-02 18:07:24,168 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2023-12-02 18:07:24,168 INFO L130 BoogieDeclarations]: Found specification of procedure ipw_radio_kill_sw [2023-12-02 18:07:24,168 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw_radio_kill_sw [2023-12-02 18:07:24,169 INFO L130 BoogieDeclarations]: Found specification of procedure libipw_priv [2023-12-02 18:07:24,169 INFO L138 BoogieDeclarations]: Found implementation of procedure libipw_priv [2023-12-02 18:07:24,169 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2023-12-02 18:07:24,169 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2023-12-02 18:07:24,169 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2023-12-02 18:07:24,169 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2023-12-02 18:07:24,169 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2023-12-02 18:07:24,169 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2023-12-02 18:07:24,170 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_tx_timeout [2023-12-02 18:07:24,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_tx_timeout [2023-12-02 18:07:24,170 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_resume_early_9 [2023-12-02 18:07:24,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_resume_early_9 [2023-12-02 18:07:24,170 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_action_mutex_of_ipw2100_priv [2023-12-02 18:07:24,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_action_mutex_of_ipw2100_priv [2023-12-02 18:07:24,170 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_adapter_mutex_of_ipw2100_priv [2023-12-02 18:07:24,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_adapter_mutex_of_ipw2100_priv [2023-12-02 18:07:24,171 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2023-12-02 18:07:24,171 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2023-12-02 18:07:24,171 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2023-12-02 18:07:24,171 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2023-12-02 18:07:24,171 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2023-12-02 18:07:24,171 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2023-12-02 18:07:24,171 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2023-12-02 18:07:24,171 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2023-12-02 18:07:24,171 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_open [2023-12-02 18:07:24,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_open [2023-12-02 18:07:24,172 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2023-12-02 18:07:24,172 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2023-12-02 18:07:24,172 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2023-12-02 18:07:24,172 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2023-12-02 18:07:24,172 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_queues_initialize [2023-12-02 18:07:24,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_queues_initialize [2023-12-02 18:07:24,172 INFO L130 BoogieDeclarations]: Found specification of procedure pm_qos_update_request [2023-12-02 18:07:24,172 INFO L138 BoogieDeclarations]: Found implementation of procedure pm_qos_update_request [2023-12-02 18:07:24,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 18:07:24,173 INFO L130 BoogieDeclarations]: Found specification of procedure read_nic_dword [2023-12-02 18:07:24,173 INFO L138 BoogieDeclarations]: Found implementation of procedure read_nic_dword [2023-12-02 18:07:24,173 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2023-12-02 18:07:24,173 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2023-12-02 18:07:24,173 INFO L130 BoogieDeclarations]: Found specification of procedure bd_queue_initialize [2023-12-02 18:07:24,173 INFO L138 BoogieDeclarations]: Found implementation of procedure bd_queue_initialize [2023-12-02 18:07:24,173 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_start_scan [2023-12-02 18:07:24,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_start_scan [2023-12-02 18:07:24,174 INFO L130 BoogieDeclarations]: Found specification of procedure preempt_count [2023-12-02 18:07:24,174 INFO L138 BoogieDeclarations]: Found implementation of procedure preempt_count [2023-12-02 18:07:25,588 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 18:07:25,593 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 18:07:31,346 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-12-02 18:08:53,001 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 18:09:02,074 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 18:09:02,074 INFO L309 CfgBuilder]: Removed 3 assume(true) statements. [2023-12-02 18:09:02,077 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:09:02 BoogieIcfgContainer [2023-12-02 18:09:02,077 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 18:09:02,080 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 18:09:02,080 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 18:09:02,084 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 18:09:02,084 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 06:07:15" (1/3) ... [2023-12-02 18:09:02,084 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@558d7cf4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:09:02, skipping insertion in model container [2023-12-02 18:09:02,085 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:07:22" (2/3) ... [2023-12-02 18:09:02,085 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@558d7cf4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:09:02, skipping insertion in model container [2023-12-02 18:09:02,085 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:09:02" (3/3) ... [2023-12-02 18:09:02,086 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--net--wireless--ipw2x00--ipw2100.ko-entry_point.cil.out.i [2023-12-02 18:09:02,104 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 18:09:02,104 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 18:09:02,227 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 18:09:02,233 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, 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;@7895882b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 18:09:02,233 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 18:09:02,253 INFO L276 IsEmpty]: Start isEmpty. Operand has 3917 states, 2430 states have (on average 1.3193415637860082) internal successors, (3206), 2484 states have internal predecessors, (3206), 1321 states have call successors, (1321), 165 states have call predecessors, (1321), 164 states have return successors, (1292), 1290 states have call predecessors, (1292), 1292 states have call successors, (1292) [2023-12-02 18:09:02,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 623 [2023-12-02 18:09:02,289 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 18:09:02,291 INFO L195 NwaCegarLoop]: trace histogram [45, 45, 45, 45, 45, 45, 45, 45, 45, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 18:09:02,291 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 18:09:02,296 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 18:09:02,297 INFO L85 PathProgramCache]: Analyzing trace with hash 695579187, now seen corresponding path program 1 times [2023-12-02 18:09:02,307 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 18:09:02,307 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [770767148] [2023-12-02 18:09:02,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:09:02,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 18:09:07,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:09:09,699 INFO L134 CoverageAnalysis]: Checked inductivity of 10047 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10047 trivial. 0 not checked. [2023-12-02 18:09:09,700 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 18:09:09,700 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [770767148] [2023-12-02 18:09:09,701 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [770767148] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 18:09:09,701 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 18:09:09,702 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 18:09:09,704 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [336687170] [2023-12-02 18:09:09,704 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 18:09:09,710 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 18:09:09,711 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 18:09:09,741 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 18:09:09,741 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 18:09:09,753 INFO L87 Difference]: Start difference. First operand has 3917 states, 2430 states have (on average 1.3193415637860082) internal successors, (3206), 2484 states have internal predecessors, (3206), 1321 states have call successors, (1321), 165 states have call predecessors, (1321), 164 states have return successors, (1292), 1290 states have call predecessors, (1292), 1292 states have call successors, (1292) Second operand has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 2 states have call successors, (56), 2 states have call predecessors, (56), 1 states have return successors, (55), 1 states have call predecessors, (55), 1 states have call successors, (55) [2023-12-02 18:09:12,080 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.30s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:09:14,192 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:09:15,408 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:09:17,680 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:09:21,045 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:09:23,351 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:09:25,648 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:09:27,692 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:09:29,877 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:09:32,151 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:09:34,663 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:09:36,994 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:09:39,224 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-12-02 18:09:41,288 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:09:43,594 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.89s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-12-02 18:09:46,083 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.71s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:09:48,144 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:09:50,409 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:09:52,642 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.23s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:09:55,058 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:09:58,295 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:10:00,537 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.24s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:10:02,838 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:10:05,067 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.23s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:10:07,357 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:10:09,589 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.23s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:10:13,475 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:10:15,963 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:10:18,199 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.24s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:10:20,484 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:10:22,721 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.24s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:10:25,027 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:10:27,267 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.24s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:10:29,629 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:10:31,636 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:10:33,941 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:10:36,180 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.24s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:10:37,912 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-12-02 18:10:39,303 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-12-02 18:10:41,473 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-12-02 18:10:43,874 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:10:46,285 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:10:50,972 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:10:53,325 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:10:55,554 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.23s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:10:58,298 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:11:00,527 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.23s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:11:03,001 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:11:05,218 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.22s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:11:07,512 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:11:09,664 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:11:12,004 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:11:14,330 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:11:17,486 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:11:19,722 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.23s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:11:22,115 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:11:24,345 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.23s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:11:26,631 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:11:28,649 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:11:28,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 18:11:28,979 INFO L93 Difference]: Finished difference Result 11491 states and 17286 transitions. [2023-12-02 18:11:28,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 18:11:28,982 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 2 states have call successors, (56), 2 states have call predecessors, (56), 1 states have return successors, (55), 1 states have call predecessors, (55), 1 states have call successors, (55) Word has length 622 [2023-12-02 18:11:28,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 18:11:29,067 INFO L225 Difference]: With dead ends: 11491 [2023-12-02 18:11:29,067 INFO L226 Difference]: Without dead ends: 7615 [2023-12-02 18:11:29,106 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 18:11:29,109 INFO L413 NwaCegarLoop]: 5142 mSDtfsCounter, 5581 mSDsluCounter, 5122 mSDsCounter, 0 mSdLazyCounter, 1315 mSolverCounterSat, 5 mSolverCounterUnsat, 52 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 127.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5581 SdHoareTripleChecker+Valid, 10264 SdHoareTripleChecker+Invalid, 1372 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1315 IncrementalHoareTripleChecker+Invalid, 52 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 138.5s IncrementalHoareTripleChecker+Time [2023-12-02 18:11:29,110 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5581 Valid, 10264 Invalid, 1372 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5 Valid, 1315 Invalid, 52 Unknown, 0 Unchecked, 138.5s Time] [2023-12-02 18:11:29,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7615 states. [2023-12-02 18:11:29,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7615 to 7609. [2023-12-02 18:11:29,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7609 states, 4774 states have (on average 1.3083368244658566) internal successors, (6246), 4812 states have internal predecessors, (6246), 2509 states have call successors, (2509), 326 states have call predecessors, (2509), 325 states have return successors, (2500), 2496 states have call predecessors, (2500), 2500 states have call successors, (2500) [2023-12-02 18:11:29,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7609 states to 7609 states and 11255 transitions. [2023-12-02 18:11:29,945 INFO L78 Accepts]: Start accepts. Automaton has 7609 states and 11255 transitions. Word has length 622 [2023-12-02 18:11:29,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 18:11:29,949 INFO L495 AbstractCegarLoop]: Abstraction has 7609 states and 11255 transitions. [2023-12-02 18:11:29,949 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 2 states have call successors, (56), 2 states have call predecessors, (56), 1 states have return successors, (55), 1 states have call predecessors, (55), 1 states have call successors, (55) [2023-12-02 18:11:29,950 INFO L276 IsEmpty]: Start isEmpty. Operand 7609 states and 11255 transitions. [2023-12-02 18:11:29,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 645 [2023-12-02 18:11:29,974 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 18:11:29,975 INFO L195 NwaCegarLoop]: trace histogram [45, 45, 45, 45, 45, 45, 45, 45, 45, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 18:11:29,975 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-02 18:11:29,975 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 18:11:29,976 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 18:11:29,976 INFO L85 PathProgramCache]: Analyzing trace with hash 687399566, now seen corresponding path program 1 times [2023-12-02 18:11:29,976 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 18:11:29,977 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1039718367] [2023-12-02 18:11:29,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:11:29,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 18:11:34,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:11:37,040 INFO L134 CoverageAnalysis]: Checked inductivity of 10047 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10047 trivial. 0 not checked. [2023-12-02 18:11:37,041 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 18:11:37,041 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1039718367] [2023-12-02 18:11:37,041 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1039718367] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 18:11:37,041 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 18:11:37,041 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 18:11:37,042 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1302237195] [2023-12-02 18:11:37,042 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 18:11:37,045 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 18:11:37,045 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 18:11:37,046 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 18:11:37,046 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 18:11:37,046 INFO L87 Difference]: Start difference. First operand 7609 states and 11255 transitions. Second operand has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 3 states have call successors, (63), 3 states have call predecessors, (63), 1 states have return successors, (60), 2 states have call predecessors, (60), 2 states have call successors, (60) [2023-12-02 18:11:39,283 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.23s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:11:42,503 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:11:45,897 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:11:48,195 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:11:50,502 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:11:53,993 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:11:56,266 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.27s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:11:59,778 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:12:02,011 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.23s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:12:04,294 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:12:06,531 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.24s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:12:08,792 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.26s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:12:10,935 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:12:13,358 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:12:15,747 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-12-02 18:12:17,815 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:12:20,090 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:12:22,331 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.24s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:12:24,523 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:12:26,748 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.22s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:12:29,020 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:12:31,253 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.23s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:12:33,528 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.92s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-12-02 18:12:36,133 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-12-02 18:12:39,003 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-12-02 18:12:43,565 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:12:45,803 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.24s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:12:48,077 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:12:50,306 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.23s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:12:53,837 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:12:55,950 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:12:58,214 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:13:00,440 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.22s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:13:03,186 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:13:05,425 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.24s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:13:08,384 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:13:10,591 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.21s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:13:13,080 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.24s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:13:15,092 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:13:17,524 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:13:19,753 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.23s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:13:22,011 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.26s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:13:24,242 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.23s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:13:26,620 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:13:28,817 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:13:31,072 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:13:33,553 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:13:35,968 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:13:38,367 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:13:40,681 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:13:42,973 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:13:45,320 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:13:45,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 18:13:45,434 INFO L93 Difference]: Finished difference Result 11419 states and 16795 transitions. [2023-12-02 18:13:45,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 18:13:45,435 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 3 states have call successors, (63), 3 states have call predecessors, (63), 1 states have return successors, (60), 2 states have call predecessors, (60), 2 states have call successors, (60) Word has length 644 [2023-12-02 18:13:45,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 18:13:45,509 INFO L225 Difference]: With dead ends: 11419 [2023-12-02 18:13:45,509 INFO L226 Difference]: Without dead ends: 11415 [2023-12-02 18:13:45,513 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 18:13:45,514 INFO L413 NwaCegarLoop]: 6428 mSDtfsCounter, 5362 mSDsluCounter, 2621 mSDsCounter, 0 mSdLazyCounter, 1191 mSolverCounterSat, 2 mSolverCounterUnsat, 50 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 117.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5362 SdHoareTripleChecker+Valid, 9049 SdHoareTripleChecker+Invalid, 1243 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1191 IncrementalHoareTripleChecker+Invalid, 50 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 127.9s IncrementalHoareTripleChecker+Time [2023-12-02 18:13:45,515 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5362 Valid, 9049 Invalid, 1243 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1191 Invalid, 50 Unknown, 0 Unchecked, 127.9s Time] [2023-12-02 18:13:45,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11415 states. [2023-12-02 18:13:46,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11415 to 11411. [2023-12-02 18:13:46,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11411 states, 7128 states have (on average 1.2978395061728396) internal successors, (9251), 7166 states have internal predecessors, (9251), 3771 states have call successors, (3771), 512 states have call predecessors, (3771), 511 states have return successors, (3764), 3760 states have call predecessors, (3764), 3764 states have call successors, (3764) [2023-12-02 18:13:46,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11411 states to 11411 states and 16786 transitions. [2023-12-02 18:13:46,353 INFO L78 Accepts]: Start accepts. Automaton has 11411 states and 16786 transitions. Word has length 644 [2023-12-02 18:13:46,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 18:13:46,355 INFO L495 AbstractCegarLoop]: Abstraction has 11411 states and 16786 transitions. [2023-12-02 18:13:46,355 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 3 states have call successors, (63), 3 states have call predecessors, (63), 1 states have return successors, (60), 2 states have call predecessors, (60), 2 states have call successors, (60) [2023-12-02 18:13:46,355 INFO L276 IsEmpty]: Start isEmpty. Operand 11411 states and 16786 transitions. [2023-12-02 18:13:46,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 644 [2023-12-02 18:13:46,370 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 18:13:46,371 INFO L195 NwaCegarLoop]: trace histogram [45, 45, 45, 45, 45, 45, 45, 45, 45, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 18:13:46,371 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-12-02 18:13:46,371 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 18:13:46,371 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 18:13:46,371 INFO L85 PathProgramCache]: Analyzing trace with hash -1326239952, now seen corresponding path program 1 times [2023-12-02 18:13:46,372 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 18:13:46,372 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [854290515] [2023-12-02 18:13:46,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:13:46,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 18:13:53,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:13:56,816 INFO L134 CoverageAnalysis]: Checked inductivity of 10047 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10047 trivial. 0 not checked. [2023-12-02 18:13:56,816 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 18:13:56,816 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [854290515] [2023-12-02 18:13:56,816 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [854290515] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 18:13:56,816 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 18:13:56,817 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 18:13:56,817 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1430140614] [2023-12-02 18:13:56,817 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 18:13:56,818 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 18:13:56,818 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 18:13:56,819 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 18:13:56,820 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 18:13:56,820 INFO L87 Difference]: Start difference. First operand 11411 states and 16786 transitions. Second operand has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 3 states have call successors, (60), 3 states have call predecessors, (60), 1 states have return successors, (55), 2 states have call predecessors, (55), 2 states have call successors, (55) [2023-12-02 18:13:59,143 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.32s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:14:02,021 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:14:05,763 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:14:08,041 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:14:10,311 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:14:13,713 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-12-02 18:14:15,969 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:14:18,220 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.25s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:14:20,484 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.73s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-12-02 18:14:23,885 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:14:26,167 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:14:28,495 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:14:34,494 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:14:36,774 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:14:39,770 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:14:41,963 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:14:44,496 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:14:47,067 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:14:49,335 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:14:49,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 18:14:49,480 INFO L93 Difference]: Finished difference Result 13203 states and 19214 transitions. [2023-12-02 18:14:49,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 18:14:49,481 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 3 states have call successors, (60), 3 states have call predecessors, (60), 1 states have return successors, (55), 2 states have call predecessors, (55), 2 states have call successors, (55) Word has length 643 [2023-12-02 18:14:49,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 18:14:49,555 INFO L225 Difference]: With dead ends: 13203 [2023-12-02 18:14:49,555 INFO L226 Difference]: Without dead ends: 13199 [2023-12-02 18:14:49,562 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 18:14:49,563 INFO L413 NwaCegarLoop]: 5401 mSDtfsCounter, 5455 mSDsluCounter, 617 mSDsCounter, 0 mSdLazyCounter, 844 mSolverCounterSat, 2 mSolverCounterUnsat, 17 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 48.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5455 SdHoareTripleChecker+Valid, 6018 SdHoareTripleChecker+Invalid, 863 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 844 IncrementalHoareTripleChecker+Invalid, 17 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 52.2s IncrementalHoareTripleChecker+Time [2023-12-02 18:14:49,564 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5455 Valid, 6018 Invalid, 863 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 844 Invalid, 17 Unknown, 0 Unchecked, 52.2s Time] [2023-12-02 18:14:49,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13199 states. [2023-12-02 18:14:50,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13199 to 13197. [2023-12-02 18:14:50,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13197 states, 8226 states have (on average 1.2924872355944566) internal successors, (10632), 8266 states have internal predecessors, (10632), 4289 states have call successors, (4289), 682 states have call predecessors, (4289), 681 states have return successors, (4284), 4280 states have call predecessors, (4284), 4284 states have call successors, (4284) [2023-12-02 18:14:50,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13197 states to 13197 states and 19205 transitions. [2023-12-02 18:14:50,595 INFO L78 Accepts]: Start accepts. Automaton has 13197 states and 19205 transitions. Word has length 643 [2023-12-02 18:14:50,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 18:14:50,596 INFO L495 AbstractCegarLoop]: Abstraction has 13197 states and 19205 transitions. [2023-12-02 18:14:50,597 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 3 states have call successors, (60), 3 states have call predecessors, (60), 1 states have return successors, (55), 2 states have call predecessors, (55), 2 states have call successors, (55) [2023-12-02 18:14:50,597 INFO L276 IsEmpty]: Start isEmpty. Operand 13197 states and 19205 transitions. [2023-12-02 18:14:50,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 648 [2023-12-02 18:14:50,608 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 18:14:50,609 INFO L195 NwaCegarLoop]: trace histogram [46, 46, 46, 46, 46, 46, 46, 46, 46, 7, 7, 7, 7, 7, 7, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 18:14:50,609 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-12-02 18:14:50,609 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 18:14:50,610 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 18:14:50,610 INFO L85 PathProgramCache]: Analyzing trace with hash 1155763821, now seen corresponding path program 1 times [2023-12-02 18:14:50,610 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 18:14:50,610 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1557045149] [2023-12-02 18:14:50,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:14:50,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 18:14:54,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:14:55,528 INFO L134 CoverageAnalysis]: Checked inductivity of 10499 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10499 trivial. 0 not checked. [2023-12-02 18:14:55,529 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 18:14:55,529 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1557045149] [2023-12-02 18:14:55,529 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1557045149] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 18:14:55,529 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 18:14:55,529 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 18:14:55,530 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [26957529] [2023-12-02 18:14:55,530 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 18:14:55,531 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 18:14:55,531 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 18:14:55,532 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 18:14:55,532 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 18:14:55,532 INFO L87 Difference]: Start difference. First operand 13197 states and 19205 transitions. Second operand has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 3 states have call successors, (59), 2 states have call predecessors, (59), 1 states have return successors, (58), 2 states have call predecessors, (58), 2 states have call successors, (58) [2023-12-02 18:14:57,724 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.19s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:15:00,862 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:15:04,323 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:15:06,610 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:15:08,887 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:15:12,628 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:15:14,886 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.26s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:15:17,330 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-12-02 18:15:19,710 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:15:21,971 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:15:24,286 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:15:25,899 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:15:29,209 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:15:31,475 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:15:34,506 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:15:36,863 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:15:39,151 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:15:41,772 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:15:44,038 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:15:44,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 18:15:44,436 INFO L93 Difference]: Finished difference Result 13199 states and 19206 transitions. [2023-12-02 18:15:44,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 18:15:44,436 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 3 states have call successors, (59), 2 states have call predecessors, (59), 1 states have return successors, (58), 2 states have call predecessors, (58), 2 states have call successors, (58) Word has length 647 [2023-12-02 18:15:44,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 18:15:44,481 INFO L225 Difference]: With dead ends: 13199 [2023-12-02 18:15:44,481 INFO L226 Difference]: Without dead ends: 13196 [2023-12-02 18:15:44,488 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 18:15:44,489 INFO L413 NwaCegarLoop]: 5060 mSDtfsCounter, 5599 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 652 mSolverCounterSat, 0 mSolverCounterUnsat, 18 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 44.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5599 SdHoareTripleChecker+Valid, 5060 SdHoareTripleChecker+Invalid, 670 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 652 IncrementalHoareTripleChecker+Invalid, 18 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 48.4s IncrementalHoareTripleChecker+Time [2023-12-02 18:15:44,489 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5599 Valid, 5060 Invalid, 670 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 652 Invalid, 18 Unknown, 0 Unchecked, 48.4s Time] [2023-12-02 18:15:44,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13196 states. [2023-12-02 18:15:45,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13196 to 13196. [2023-12-02 18:15:45,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13196 states, 8226 states have (on average 1.2923656698273767) internal successors, (10631), 8265 states have internal predecessors, (10631), 4288 states have call successors, (4288), 682 states have call predecessors, (4288), 681 states have return successors, (4284), 4280 states have call predecessors, (4284), 4284 states have call successors, (4284) [2023-12-02 18:15:45,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13196 states to 13196 states and 19203 transitions. [2023-12-02 18:15:45,423 INFO L78 Accepts]: Start accepts. Automaton has 13196 states and 19203 transitions. Word has length 647 [2023-12-02 18:15:45,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 18:15:45,424 INFO L495 AbstractCegarLoop]: Abstraction has 13196 states and 19203 transitions. [2023-12-02 18:15:45,424 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 3 states have call successors, (59), 2 states have call predecessors, (59), 1 states have return successors, (58), 2 states have call predecessors, (58), 2 states have call successors, (58) [2023-12-02 18:15:45,425 INFO L276 IsEmpty]: Start isEmpty. Operand 13196 states and 19203 transitions. [2023-12-02 18:15:45,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 649 [2023-12-02 18:15:45,434 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 18:15:45,435 INFO L195 NwaCegarLoop]: trace histogram [46, 46, 46, 46, 46, 46, 46, 46, 46, 7, 7, 7, 7, 7, 7, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 18:15:45,435 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-12-02 18:15:45,435 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 18:15:45,435 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 18:15:45,436 INFO L85 PathProgramCache]: Analyzing trace with hash 1466815024, now seen corresponding path program 1 times [2023-12-02 18:15:45,436 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 18:15:45,436 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [693784202] [2023-12-02 18:15:45,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:15:45,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 18:15:49,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:15:50,425 INFO L134 CoverageAnalysis]: Checked inductivity of 10499 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10499 trivial. 0 not checked. [2023-12-02 18:15:50,425 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 18:15:50,425 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [693784202] [2023-12-02 18:15:50,425 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [693784202] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 18:15:50,425 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 18:15:50,426 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 18:15:50,426 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1766689390] [2023-12-02 18:15:50,426 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 18:15:50,427 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 18:15:50,427 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 18:15:50,428 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 18:15:50,428 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 18:15:50,428 INFO L87 Difference]: Start difference. First operand 13196 states and 19203 transitions. Second operand has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 3 states have call successors, (59), 2 states have call predecessors, (59), 1 states have return successors, (58), 2 states have call predecessors, (58), 2 states have call successors, (58) [2023-12-02 18:15:52,615 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:15:55,382 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:15:59,288 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:16:01,573 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:16:03,847 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:16:07,568 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:16:09,824 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.25s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:16:12,301 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-12-02 18:16:14,707 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:16:16,977 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:16:19,297 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:16:23,378 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:16:25,655 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:16:28,761 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:16:30,840 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:16:33,396 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:16:35,879 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:16:38,162 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:16:38,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 18:16:38,578 INFO L93 Difference]: Finished difference Result 13198 states and 19204 transitions. [2023-12-02 18:16:38,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 18:16:38,579 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 3 states have call successors, (59), 2 states have call predecessors, (59), 1 states have return successors, (58), 2 states have call predecessors, (58), 2 states have call successors, (58) Word has length 648 [2023-12-02 18:16:38,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 18:16:38,731 INFO L225 Difference]: With dead ends: 13198 [2023-12-02 18:16:38,731 INFO L226 Difference]: Without dead ends: 13195 [2023-12-02 18:16:38,734 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 18:16:38,735 INFO L413 NwaCegarLoop]: 5058 mSDtfsCounter, 5596 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 652 mSolverCounterSat, 0 mSolverCounterUnsat, 18 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 44.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5596 SdHoareTripleChecker+Valid, 5058 SdHoareTripleChecker+Invalid, 670 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 652 IncrementalHoareTripleChecker+Invalid, 18 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 47.6s IncrementalHoareTripleChecker+Time [2023-12-02 18:16:38,736 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5596 Valid, 5058 Invalid, 670 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 652 Invalid, 18 Unknown, 0 Unchecked, 47.6s Time] [2023-12-02 18:16:38,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13195 states. [2023-12-02 18:16:39,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13195 to 13195. [2023-12-02 18:16:39,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13195 states, 8226 states have (on average 1.2922441040602966) internal successors, (10630), 8264 states have internal predecessors, (10630), 4287 states have call successors, (4287), 682 states have call predecessors, (4287), 681 states have return successors, (4284), 4280 states have call predecessors, (4284), 4284 states have call successors, (4284) [2023-12-02 18:16:39,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13195 states to 13195 states and 19201 transitions. [2023-12-02 18:16:39,733 INFO L78 Accepts]: Start accepts. Automaton has 13195 states and 19201 transitions. Word has length 648 [2023-12-02 18:16:39,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 18:16:39,733 INFO L495 AbstractCegarLoop]: Abstraction has 13195 states and 19201 transitions. [2023-12-02 18:16:39,734 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 3 states have call successors, (59), 2 states have call predecessors, (59), 1 states have return successors, (58), 2 states have call predecessors, (58), 2 states have call successors, (58) [2023-12-02 18:16:39,734 INFO L276 IsEmpty]: Start isEmpty. Operand 13195 states and 19201 transitions. [2023-12-02 18:16:39,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 650 [2023-12-02 18:16:39,743 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 18:16:39,743 INFO L195 NwaCegarLoop]: trace histogram [46, 46, 46, 46, 46, 46, 46, 46, 46, 7, 7, 7, 7, 7, 7, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 18:16:39,743 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-12-02 18:16:39,743 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 18:16:39,743 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 18:16:39,744 INFO L85 PathProgramCache]: Analyzing trace with hash -1775494704, now seen corresponding path program 1 times [2023-12-02 18:16:39,744 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 18:16:39,744 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [89419170] [2023-12-02 18:16:39,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:16:39,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 18:16:44,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:16:45,111 INFO L134 CoverageAnalysis]: Checked inductivity of 10499 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10499 trivial. 0 not checked. [2023-12-02 18:16:45,111 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 18:16:45,112 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [89419170] [2023-12-02 18:16:45,112 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [89419170] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 18:16:45,112 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 18:16:45,112 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 18:16:45,112 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1452596133] [2023-12-02 18:16:45,112 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 18:16:45,114 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 18:16:45,114 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 18:16:45,114 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 18:16:45,115 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 18:16:45,115 INFO L87 Difference]: Start difference. First operand 13195 states and 19201 transitions. Second operand has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 3 states have call successors, (59), 2 states have call predecessors, (59), 1 states have return successors, (58), 2 states have call predecessors, (58), 2 states have call successors, (58) [2023-12-02 18:16:47,340 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.22s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:16:50,137 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:16:53,975 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:16:56,263 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:16:58,538 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:17:02,202 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:17:04,458 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.26s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:17:06,808 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-12-02 18:17:09,233 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:17:11,496 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:17:13,824 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:17:18,309 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:17:20,588 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:17:23,489 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:17:25,794 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:17:28,386 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:17:31,216 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:17:33,467 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:17:33,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 18:17:33,912 INFO L93 Difference]: Finished difference Result 13197 states and 19202 transitions. [2023-12-02 18:17:33,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 18:17:33,912 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 3 states have call successors, (59), 2 states have call predecessors, (59), 1 states have return successors, (58), 2 states have call predecessors, (58), 2 states have call successors, (58) Word has length 649 [2023-12-02 18:17:33,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 18:17:33,972 INFO L225 Difference]: With dead ends: 13197 [2023-12-02 18:17:33,972 INFO L226 Difference]: Without dead ends: 13188 [2023-12-02 18:17:33,982 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 18:17:33,983 INFO L413 NwaCegarLoop]: 5057 mSDtfsCounter, 5593 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 651 mSolverCounterSat, 0 mSolverCounterUnsat, 18 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 44.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5593 SdHoareTripleChecker+Valid, 5057 SdHoareTripleChecker+Invalid, 669 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 651 IncrementalHoareTripleChecker+Invalid, 18 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 48.2s IncrementalHoareTripleChecker+Time [2023-12-02 18:17:33,983 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5593 Valid, 5057 Invalid, 669 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 651 Invalid, 18 Unknown, 0 Unchecked, 48.2s Time] [2023-12-02 18:17:34,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13188 states. [2023-12-02 18:17:35,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13188 to 13188. [2023-12-02 18:17:35,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13188 states, 8220 states have (on average 1.2920924574209245) internal successors, (10621), 8257 states have internal predecessors, (10621), 4286 states have call successors, (4286), 682 states have call predecessors, (4286), 681 states have return successors, (4284), 4280 states have call predecessors, (4284), 4284 states have call successors, (4284) [2023-12-02 18:17:35,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13188 states to 13188 states and 19191 transitions. [2023-12-02 18:17:35,221 INFO L78 Accepts]: Start accepts. Automaton has 13188 states and 19191 transitions. Word has length 649 [2023-12-02 18:17:35,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 18:17:35,222 INFO L495 AbstractCegarLoop]: Abstraction has 13188 states and 19191 transitions. [2023-12-02 18:17:35,222 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 3 states have call successors, (59), 2 states have call predecessors, (59), 1 states have return successors, (58), 2 states have call predecessors, (58), 2 states have call successors, (58) [2023-12-02 18:17:35,222 INFO L276 IsEmpty]: Start isEmpty. Operand 13188 states and 19191 transitions. [2023-12-02 18:17:35,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 653 [2023-12-02 18:17:35,230 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 18:17:35,230 INFO L195 NwaCegarLoop]: trace histogram [45, 45, 45, 45, 45, 45, 45, 45, 45, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 18:17:35,230 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-12-02 18:17:35,230 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 18:17:35,231 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 18:17:35,231 INFO L85 PathProgramCache]: Analyzing trace with hash 1160673855, now seen corresponding path program 1 times [2023-12-02 18:17:35,231 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 18:17:35,231 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [681725579] [2023-12-02 18:17:35,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:17:35,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 18:17:40,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:17:41,120 INFO L134 CoverageAnalysis]: Checked inductivity of 10047 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10047 trivial. 0 not checked. [2023-12-02 18:17:41,120 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 18:17:41,120 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [681725579] [2023-12-02 18:17:41,120 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [681725579] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 18:17:41,120 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 18:17:41,121 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 18:17:41,121 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [205971809] [2023-12-02 18:17:41,121 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 18:17:41,122 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 18:17:41,122 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 18:17:41,123 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 18:17:41,123 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 18:17:41,123 INFO L87 Difference]: Start difference. First operand 13188 states and 19191 transitions. Second operand has 3 states, 3 states have (on average 34.333333333333336) internal successors, (103), 3 states have internal predecessors, (103), 3 states have call successors, (60), 3 states have call predecessors, (60), 2 states have return successors, (57), 2 states have call predecessors, (57), 2 states have call successors, (57) [2023-12-02 18:17:43,427 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.30s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:17:45,512 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:17:49,397 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:17:51,614 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.22s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:17:56,217 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:17:58,638 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.42s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:18:00,712 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:18:02,929 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.22s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:18:05,233 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:18:07,465 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.23s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:18:10,446 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.95s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-12-02 18:18:12,466 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-12-02 18:18:14,806 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:18:17,038 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.23s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:18:19,320 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.28s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:18:21,460 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:18:23,236 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-12-02 18:18:27,422 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:18:29,692 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:18:31,948 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.26s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:18:34,328 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:18:36,533 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:18:38,546 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:18:40,147 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:18:42,255 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-12-02 18:18:44,373 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:18:46,659 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:18:48,836 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:18:53,631 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.68s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:18:55,724 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:18:58,013 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:19:01,437 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:19:03,994 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:19:06,672 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:19:09,830 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:19:12,101 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:19:14,366 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:19:16,624 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.26s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:19:19,071 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:19:21,297 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.23s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:19:23,585 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:19:25,821 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.24s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:19:28,092 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:19:30,260 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:19:32,733 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:19:34,967 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.23s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:19:37,340 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:19:39,484 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:19:41,908 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:19:44,134 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.23s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:19:46,384 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:19:48,614 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.23s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:19:50,912 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:19:53,153 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.24s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:19:55,414 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:19:57,710 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.30s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:19:58,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 18:19:58,054 INFO L93 Difference]: Finished difference Result 13193 states and 19194 transitions. [2023-12-02 18:19:58,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 18:19:58,055 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 34.333333333333336) internal successors, (103), 3 states have internal predecessors, (103), 3 states have call successors, (60), 3 states have call predecessors, (60), 2 states have return successors, (57), 2 states have call predecessors, (57), 2 states have call successors, (57) Word has length 652 [2023-12-02 18:19:58,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 18:19:58,106 INFO L225 Difference]: With dead ends: 13193 [2023-12-02 18:19:58,106 INFO L226 Difference]: Without dead ends: 13190 [2023-12-02 18:19:58,115 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 18:19:58,116 INFO L413 NwaCegarLoop]: 6095 mSDtfsCounter, 3000 mSDsluCounter, 4839 mSDsCounter, 0 mSdLazyCounter, 1453 mSolverCounterSat, 0 mSolverCounterUnsat, 52 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 125.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3000 SdHoareTripleChecker+Valid, 10934 SdHoareTripleChecker+Invalid, 1505 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1453 IncrementalHoareTripleChecker+Invalid, 52 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 136.1s IncrementalHoareTripleChecker+Time [2023-12-02 18:19:58,116 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3000 Valid, 10934 Invalid, 1505 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 1453 Invalid, 52 Unknown, 0 Unchecked, 136.1s Time] [2023-12-02 18:19:58,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13190 states. [2023-12-02 18:19:59,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13190 to 13187. [2023-12-02 18:19:59,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13187 states, 8220 states have (on average 1.2918491484184915) internal successors, (10619), 8256 states have internal predecessors, (10619), 4285 states have call successors, (4285), 682 states have call predecessors, (4285), 681 states have return successors, (4284), 4280 states have call predecessors, (4284), 4284 states have call successors, (4284) [2023-12-02 18:19:59,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13187 states to 13187 states and 19188 transitions. [2023-12-02 18:19:59,287 INFO L78 Accepts]: Start accepts. Automaton has 13187 states and 19188 transitions. Word has length 652 [2023-12-02 18:19:59,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 18:19:59,288 INFO L495 AbstractCegarLoop]: Abstraction has 13187 states and 19188 transitions. [2023-12-02 18:19:59,288 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.333333333333336) internal successors, (103), 3 states have internal predecessors, (103), 3 states have call successors, (60), 3 states have call predecessors, (60), 2 states have return successors, (57), 2 states have call predecessors, (57), 2 states have call successors, (57) [2023-12-02 18:19:59,288 INFO L276 IsEmpty]: Start isEmpty. Operand 13187 states and 19188 transitions. [2023-12-02 18:19:59,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 679 [2023-12-02 18:19:59,304 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 18:19:59,305 INFO L195 NwaCegarLoop]: trace histogram [45, 45, 45, 45, 45, 45, 45, 45, 45, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 18:19:59,305 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-12-02 18:19:59,305 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 18:19:59,305 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 18:19:59,305 INFO L85 PathProgramCache]: Analyzing trace with hash -136348675, now seen corresponding path program 1 times [2023-12-02 18:19:59,306 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 18:19:59,306 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1771883527] [2023-12-02 18:19:59,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:19:59,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 18:20:09,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:20:09,945 INFO L134 CoverageAnalysis]: Checked inductivity of 10047 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10047 trivial. 0 not checked. [2023-12-02 18:20:09,945 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 18:20:09,945 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1771883527] [2023-12-02 18:20:09,945 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1771883527] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 18:20:09,946 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 18:20:09,946 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 18:20:09,946 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [70204999] [2023-12-02 18:20:09,946 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 18:20:09,947 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 18:20:09,947 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 18:20:09,948 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 18:20:09,948 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 18:20:09,948 INFO L87 Difference]: Start difference. First operand 13187 states and 19188 transitions. Second operand has 3 states, 3 states have (on average 40.0) internal successors, (120), 3 states have internal predecessors, (120), 2 states have call successors, (65), 2 states have call predecessors, (65), 1 states have return successors, (61), 2 states have call predecessors, (61), 2 states have call successors, (61) [2023-12-02 18:20:12,247 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.29s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:20:13,524 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:20:15,797 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:20:20,048 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:20:22,279 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.23s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:20:26,864 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:20:29,031 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:20:31,348 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:20:33,570 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.22s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:20:35,871 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:20:38,108 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.24s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:20:40,541 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-12-02 18:20:42,312 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-12-02 18:20:43,325 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-12-02 18:20:45,390 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:20:47,668 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:20:49,928 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.26s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:20:54,427 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:20:56,643 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.22s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:20:58,894 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.25s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:21:01,049 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:21:03,386 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.90s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-12-02 18:21:05,639 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:21:07,906 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:21:10,731 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:21:12,956 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.22s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []